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<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
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  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_suz_FuturageneInc.Member_019ff75a-d484-74a2-914a-f319c445ebf6_terseLabel_en-US" xlink:label="lab_suz_FuturageneInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FuturaGene Inc. (Indirect)</link:label>
    <link:label id="lab_suz_FuturageneInc.Member_label_en-US" xlink:label="lab_suz_FuturageneInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FuturaGene Inc.</link:label>
    <link:label id="lab_suz_FuturageneInc.Member_documentation_en-US" xlink:label="lab_suz_FuturageneInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for FuturaGene Inc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FuturageneInc.Member" xlink:href="suz-20260630.xsd#suz_FuturageneInc.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FuturageneInc.Member" xlink:to="lab_suz_FuturageneInc.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MachineryAndEquipmentAndFacilitiesMember_019ff75a-d5ab-7712-a8dd-2b7e6b4d9eed_terseLabel_en-US" xlink:label="lab_suz_MachineryAndEquipmentAndFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Machinery, equipment and facilities</link:label>
    <link:label id="lab_suz_MachineryAndEquipmentAndFacilitiesMember_label_en-US" xlink:label="lab_suz_MachineryAndEquipmentAndFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Machinery and equipment and facilities [Member]</link:label>
    <link:label id="lab_suz_MachineryAndEquipmentAndFacilitiesMember_documentation_en-US" xlink:label="lab_suz_MachineryAndEquipmentAndFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Machinery and Equipment and Facilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MachineryAndEquipmentAndFacilitiesMember" xlink:href="suz-20260630.xsd#suz_MachineryAndEquipmentAndFacilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MachineryAndEquipmentAndFacilitiesMember" xlink:to="lab_suz_MachineryAndEquipmentAndFacilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfSettledDerivativesTableTextBlock_019ff75a-d5ab-7e94-9506-ae0505b6bad1_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfSettledDerivativesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments - Fair Value Settled</link:label>
    <link:label id="lab_suz_DisclosureOfSettledDerivativesTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfSettledDerivativesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Settled Derivatives [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfSettledDerivativesTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfSettledDerivativesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of Settled Derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfSettledDerivativesTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfSettledDerivativesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfSettledDerivativesTableTextBlock" xlink:to="lab_suz_DisclosureOfSettledDerivativesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_019ff75a-d484-7569-859a-b33bc35f7d2e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Additions to property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of property, plant and equipment, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InventoriesLineItems_019ff75a-d50c-70b8-91ca-d214009e960c_terseLabel_en-US" xlink:label="lab_suz_InventoriesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories [Line Items]</link:label>
    <link:label id="lab_suz_InventoriesLineItems_label_en-US" xlink:label="lab_suz_InventoriesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventories [Line Items]</link:label>
    <link:label id="lab_suz_InventoriesLineItems_documentation_en-US" xlink:label="lab_suz_InventoriesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventories [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InventoriesLineItems" xlink:href="suz-20260630.xsd#suz_InventoriesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InventoriesLineItems" xlink:to="lab_suz_InventoriesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfReconciliationFromGrossRevenueFromContractsWithCustomersToNetRevenueFromContractsWithCustomersTableTextBlock_019ff75a-d50c-7f04-962b-54fbe3dd8a29_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfReconciliationFromGrossRevenueFromContractsWithCustomersToNetRevenueFromContractsWithCustomersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Reconciliation From Gross Revenue from Contracts with Customers, to Net Revenue from Contracts with Customers</link:label>
    <link:label id="lab_suz_DisclosureOfReconciliationFromGrossRevenueFromContractsWithCustomersToNetRevenueFromContractsWithCustomersTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfReconciliationFromGrossRevenueFromContractsWithCustomersToNetRevenueFromContractsWithCustomersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Reconciliation From Gross Revenue from Contracts with Customers, to Net Revenue from Contracts with Customers [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfReconciliationFromGrossRevenueFromContractsWithCustomersToNetRevenueFromContractsWithCustomersTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfReconciliationFromGrossRevenueFromContractsWithCustomersToNetRevenueFromContractsWithCustomersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation from gross revenue from contracts with customers, to net revenue from contracts with customers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfReconciliationFromGrossRevenueFromContractsWithCustomersToNetRevenueFromContractsWithCustomersTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfReconciliationFromGrossRevenueFromContractsWithCustomersToNetRevenueFromContractsWithCustomersTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfReconciliationFromGrossRevenueFromContractsWithCustomersToNetRevenueFromContractsWithCustomersTableTextBlock" xlink:to="lab_suz_DisclosureOfReconciliationFromGrossRevenueFromContractsWithCustomersToNetRevenueFromContractsWithCustomersTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsReceivedClassifiedAsInvestingActivities_019ff75a-d5ab-7f2f-8acf-a4ca6429f84b_terseLabel_en-US" xlink:label="lab_ifrs-full_DividendsReceivedClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends received</link:label>
    <link:label id="lab_ifrs-full_DividendsReceivedClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_DividendsReceivedClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends received, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsReceivedClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsReceivedClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsReceivedClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_DividendsReceivedClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExportPrepaymentAgreementsEPPMember_019ff75a-d484-7409-945a-f459c85610ac_terseLabel_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementsEPPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreements ("EPP")</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementsEPPMember_label_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementsEPPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreements ("EPP") [Member]</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementsEPPMember_documentation_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementsEPPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Export Prepayment Agreements ("EPP").</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExportPrepaymentAgreementsEPPMember" xlink:href="suz-20260630.xsd#suz_ExportPrepaymentAgreementsEPPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExportPrepaymentAgreementsEPPMember" xlink:to="lab_suz_ExportPrepaymentAgreementsEPPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GrantYear2022Member_019ff75a-d5ab-7aae-a99b-f474c5fcb6af_terseLabel_en-US" xlink:label="lab_suz_GrantYear2022Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Year 2022</link:label>
    <link:label id="lab_suz_GrantYear2022Member_label_en-US" xlink:label="lab_suz_GrantYear2022Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Year 2022 [Member]</link:label>
    <link:label id="lab_suz_GrantYear2022Member_documentation_en-US" xlink:label="lab_suz_GrantYear2022Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Year 2022</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GrantYear2022Member" xlink:href="suz-20260630.xsd#suz_GrantYear2022Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GrantYear2022Member" xlink:to="lab_suz_GrantYear2022Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_019ff75a-d5ab-7034-aa3a-0bd21ac3c9d5_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncome" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherFinanceIncome_019ff75a-d484-7bc8-a0d4-139ec1e8b631_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherFinanceIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherFinanceIncome_label_en-US" xlink:label="lab_ifrs-full_OtherFinanceIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other finance income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFinanceIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinanceIncome" xlink:to="lab_ifrs-full_OtherFinanceIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_019ff75a-d50c-7e8e-905b-6baa3f685af8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of intangible assets with determined useful life</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory_019ff75a-d50c-7a64-9d69-ea89dd30ff23_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of tax receivables and payables [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of tax receivables and payables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyDomain_019ff75a-d3c2-7fc3-aa02-bdaff62280c2_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [domain]</link:label>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyDomain_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughTransfersFromToOtherAssets_019ff75a-d50c-7280-a176-5747bf31be0e_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTransfersFromToOtherAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers and other</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTransfersFromToOtherAssets_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTransfersFromToOtherAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Transfers From (To) Other Assets</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTransfersFromToOtherAssets_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTransfersFromToOtherAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in property, plant and equipment resulting from transfers from (to) other assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughTransfersFromToOtherAssets" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughTransfersFromToOtherAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughTransfersFromToOtherAssets" xlink:to="lab_suz_IncreaseDecreaseThroughTransfersFromToOtherAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember_019ff75a-d5ab-7a1b-a82a-b3df403ab375_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets neither past due nor impaired [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember" xlink:to="lab_ifrs-full_FinancialAssetsNeitherPastDueNorImpairedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_019ff75a-d50c-748e-b93f-55b4acdf430e_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2028</link:label>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than two years and not later than three years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:to="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsAbstract_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalentsAbstract" xlink:to="lab_ifrs-full_CashAndCashEquivalentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_UnrealizedProfitMember_019ff75a-d50c-7d0c-b3ff-488ce0a14f45_terseLabel_en-US" xlink:label="lab_suz_UnrealizedProfitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized profit on inventories</link:label>
    <link:label id="lab_suz_UnrealizedProfitMember_label_en-US" xlink:label="lab_suz_UnrealizedProfitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized profit on inventories</link:label>
    <link:label id="lab_suz_UnrealizedProfitMember_documentation_en-US" xlink:label="lab_suz_UnrealizedProfitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Unrealized profit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_UnrealizedProfitMember" xlink:href="suz-20260630.xsd#suz_UnrealizedProfitMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_UnrealizedProfitMember" xlink:to="lab_suz_UnrealizedProfitMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperations_019ff75a-d5ab-70d7-b43b-082a6f04f296_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperations" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash generated from operations</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperations_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperations" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RestrictedStockYearTwo_019ff75a-d5ab-7e6f-b058-ccc7dd9e8d9d_terseLabel_en-US" xlink:label="lab_suz_RestrictedStockYearTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock, year two</link:label>
    <link:label id="lab_suz_RestrictedStockYearTwo_label_en-US" xlink:label="lab_suz_RestrictedStockYearTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year Two</link:label>
    <link:label id="lab_suz_RestrictedStockYearTwo_documentation_en-US" xlink:label="lab_suz_RestrictedStockYearTwo" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RestrictedStockYearTwo" xlink:href="suz-20260630.xsd#suz_RestrictedStockYearTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RestrictedStockYearTwo" xlink:to="lab_suz_RestrictedStockYearTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceIncomeCost_019ff75a-d50c-75bb-ba14-967e01207bc8_totalLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net financial result</link:label>
    <link:label id="lab_ifrs-full_FinanceIncomeCost_label_en-US" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance income (cost)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncomeCost" xlink:to="lab_ifrs-full_FinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_019ff75a-d50c-7d3f-a9f2-2d793aef1b62_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_019ff75a-d5ab-79e9-b84a-9ba52247f0f5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory_019ff75a-d50c-7203-8803-316d2dbb4eb8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of treasury shares</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of treasury shares [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTreasurySharesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_019ff75a-d484-7f0a-acd5-15baacf2e731_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercised (1)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of other equity instruments exercised or vested in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughTransfersBiologicalAssets_019ff75a-d50c-7811-8148-f1e223dc4ece_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTransfersBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTransfersBiologicalAssets_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTransfersBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease Through Transfers, Biological Assets</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTransfersBiologicalAssets_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTransfersBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in biological assets resulting from transfers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughTransfersBiologicalAssets" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughTransfersBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughTransfersBiologicalAssets" xlink:to="lab_suz_IncreaseDecreaseThroughTransfersBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract_019ff75a-d50c-7391-90b4-574ce48b37ed_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PossibleLossesAndRemoteLossesMember_019ff75a-d484-7da5-8bb1-3affbb64bd73_terseLabel_en-US" xlink:label="lab_suz_PossibleLossesAndRemoteLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Possible losses and remote losses</link:label>
    <link:label id="lab_suz_PossibleLossesAndRemoteLossesMember_label_en-US" xlink:label="lab_suz_PossibleLossesAndRemoteLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Possible losses and remote losses [Member]</link:label>
    <link:label id="lab_suz_PossibleLossesAndRemoteLossesMember_documentation_en-US" xlink:label="lab_suz_PossibleLossesAndRemoteLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a category of losses that include possible losses and remote losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PossibleLossesAndRemoteLossesMember" xlink:href="suz-20260630.xsd#suz_PossibleLossesAndRemoteLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PossibleLossesAndRemoteLossesMember" xlink:to="lab_suz_PossibleLossesAndRemoteLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_019ff75a-d484-7b3f-8746-c91f01cdf4b0_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EffectiveAreaForForestFromYearOfPlanting_019ff75a-d50c-7235-8a2b-cf5da2faa752_terseLabel_en-US" xlink:label="lab_suz_EffectiveAreaForForestFromYearOfPlanting" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Area For Forest From The Year Of Planting</link:label>
    <link:label id="lab_suz_EffectiveAreaForForestFromYearOfPlanting_label_en-US" xlink:label="lab_suz_EffectiveAreaForForestFromYearOfPlanting" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Area For Forest From The Year Of Planting</link:label>
    <link:label id="lab_suz_EffectiveAreaForForestFromYearOfPlanting_documentation_en-US" xlink:label="lab_suz_EffectiveAreaForForestFromYearOfPlanting" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Period for effective area for forest from the year of planting for determining the fair value of biological assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EffectiveAreaForForestFromYearOfPlanting" xlink:href="suz-20260630.xsd#suz_EffectiveAreaForForestFromYearOfPlanting"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EffectiveAreaForForestFromYearOfPlanting" xlink:to="lab_suz_EffectiveAreaForForestFromYearOfPlanting" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_019ff75a-d50c-79a0-9381-92b798e4a466_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_KimberlyClarkTissueMember_019ff75a-d5ab-7cfd-b511-4005e15263a5_terseLabel_en-US" xlink:label="lab_suz_KimberlyClarkTissueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kimberly Clark Tissue</link:label>
    <link:label id="lab_suz_KimberlyClarkTissueMember_label_en-US" xlink:label="lab_suz_KimberlyClarkTissueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Kimberly Clark Tissue [Member]</link:label>
    <link:label id="lab_suz_KimberlyClarkTissueMember_documentation_en-US" xlink:label="lab_suz_KimberlyClarkTissueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Kimberly Clark Tissue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_KimberlyClarkTissueMember" xlink:href="suz-20260630.xsd#suz_KimberlyClarkTissueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_KimberlyClarkTissueMember" xlink:to="lab_suz_KimberlyClarkTissueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_019ff75a-d50c-7b4a-9471-a4d261eb9393_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Attributable to</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income attributable to [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ShareOfProfitLossOfInvestmentsAccountedForUsingEquityMethod_019ff75a-d5ab-79bc-9c38-57d9a86f5d2b_terseLabel_en-US" xlink:label="lab_suz_ShareOfProfitLossOfInvestmentsAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Of Profit Loss Of Investments Accounted For Using Equity Method</link:label>
    <link:label id="lab_suz_ShareOfProfitLossOfInvestmentsAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_suz_ShareOfProfitLossOfInvestmentsAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Of Profit Loss Of Investments Accounted For Using Equity Method</link:label>
    <link:label id="lab_suz_ShareOfProfitLossOfInvestmentsAccountedForUsingEquityMethod_documentation_en-US" xlink:label="lab_suz_ShareOfProfitLossOfInvestmentsAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Of Profit Loss Of Investments Accounted For Using Equity Method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ShareOfProfitLossOfInvestmentsAccountedForUsingEquityMethod" xlink:href="suz-20260630.xsd#suz_ShareOfProfitLossOfInvestmentsAccountedForUsingEquityMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ShareOfProfitLossOfInvestmentsAccountedForUsingEquityMethod" xlink:to="lab_suz_ShareOfProfitLossOfInvestmentsAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfSignificantAccountingPoliciesTextBlock_019ff75a-d5ab-7aed-8b38-0913605c0a4e_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of significant accounting policies</link:label>
    <link:label id="lab_suz_DisclosureOfSignificantAccountingPoliciesTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of significant accounting policies [Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfSignificantAccountingPoliciesTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of significant accounting policies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfSignificantAccountingPoliciesTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfSignificantAccountingPoliciesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfSignificantAccountingPoliciesTextBlock" xlink:to="lab_suz_DisclosureOfSignificantAccountingPoliciesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DividendsPayableMember_019ff75a-d5ab-756f-a126-d98f7619b57c_terseLabel_en-US" xlink:label="lab_suz_DividendsPayableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends payable</link:label>
    <link:label id="lab_suz_DividendsPayableMember_label_en-US" xlink:label="lab_suz_DividendsPayableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends payable</link:label>
    <link:label id="lab_suz_DividendsPayableMember_documentation_en-US" xlink:label="lab_suz_DividendsPayableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for dividends payable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DividendsPayableMember" xlink:href="suz-20260630.xsd#suz_DividendsPayableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DividendsPayableMember" xlink:to="lab_suz_DividendsPayableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TypeOfShareholdersDomain_019ff75a-d50c-7b96-a930-78951c28f22c_terseLabel_en-US" xlink:label="lab_suz_TypeOfShareholdersDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type Of Shareholders [Domain]</link:label>
    <link:label id="lab_suz_TypeOfShareholdersDomain_label_en-US" xlink:label="lab_suz_TypeOfShareholdersDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type Of Shareholders [Domain]</link:label>
    <link:label id="lab_suz_TypeOfShareholdersDomain_documentation_en-US" xlink:label="lab_suz_TypeOfShareholdersDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type Of Shareholders [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TypeOfShareholdersDomain" xlink:href="suz-20260630.xsd#suz_TypeOfShareholdersDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TypeOfShareholdersDomain" xlink:to="lab_suz_TypeOfShareholdersDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AverageGrossSalePriceOfEucalyptus_019ff75a-d5ab-7728-84e4-85084b6f7669_terseLabel_en-US" xlink:label="lab_suz_AverageGrossSalePriceOfEucalyptus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average gross sale price of eucalyptus</link:label>
    <link:label id="lab_suz_AverageGrossSalePriceOfEucalyptus_label_en-US" xlink:label="lab_suz_AverageGrossSalePriceOfEucalyptus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average gross sale price of eucalyptus</link:label>
    <link:label id="lab_suz_AverageGrossSalePriceOfEucalyptus_documentation_en-US" xlink:label="lab_suz_AverageGrossSalePriceOfEucalyptus" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average gross sale price of eucalyptus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AverageGrossSalePriceOfEucalyptus" xlink:href="suz-20260630.xsd#suz_AverageGrossSalePriceOfEucalyptus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AverageGrossSalePriceOfEucalyptus" xlink:to="lab_suz_AverageGrossSalePriceOfEucalyptus" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BNDESTRMember_019ff75a-d5ab-7e53-93ac-f4f9fd03f39a_terseLabel_en-US" xlink:label="lab_suz_BNDESTRMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES &#8211; TR</link:label>
    <link:label id="lab_suz_BNDESTRMember_label_en-US" xlink:label="lab_suz_BNDESTRMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNDES &#8211;TR [Member]</link:label>
    <link:label id="lab_suz_BNDESTRMember_documentation_en-US" xlink:label="lab_suz_BNDESTRMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BNDES &#8211;TR</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BNDESTRMember" xlink:href="suz-20260630.xsd#suz_BNDESTRMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BNDESTRMember" xlink:to="lab_suz_BNDESTRMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_019ff75a-d50c-78a5-be1a-680e93896e06_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade accounts receivable</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in trade accounts receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract_019ff75a-d483-7f72-b2d1-11d45ba3dbbf_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatutoryReserve_019ff75a-d50c-7daa-a42f-4afb8accdc1e_terseLabel_en-US" xlink:label="lab_ifrs-full_StatutoryReserve" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit reserves</link:label>
    <link:label id="lab_ifrs-full_StatutoryReserve_label_en-US" xlink:label="lab_ifrs-full_StatutoryReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statutory reserve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatutoryReserve" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatutoryReserve"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatutoryReserve" xlink:to="lab_ifrs-full_StatutoryReserve" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_019ff75a-d484-7454-a926-727b75769193_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_019ff75a-d484-7323-ac9b-c24662466dcd_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Current derivative financial liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentDerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NatureOfAssetAxisAxis_019ff75a-d484-7770-8888-0a396ecaa789_terseLabel_en-US" xlink:label="lab_suz_NatureOfAssetAxisAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nature of Asset Axis [Axis]</link:label>
    <link:label id="lab_suz_NatureOfAssetAxisAxis_label_en-US" xlink:label="lab_suz_NatureOfAssetAxisAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nature of Asset Axis [Axis]</link:label>
    <link:label id="lab_suz_NatureOfAssetAxisAxis_documentation_en-US" xlink:label="lab_suz_NatureOfAssetAxisAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nature of Asset Axis</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NatureOfAssetAxisAxis" xlink:href="suz-20260630.xsd#suz_NatureOfAssetAxisAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NatureOfAssetAxisAxis" xlink:to="lab_suz_NatureOfAssetAxisAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_019ff75a-d484-7e33-bc66-6ed526891e80_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">At fair value through profit or loss</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through profit or loss, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentMember_019ff75a-d484-71c9-bbbb-f9fa81488bb7_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentMember_label_en-US" xlink:label="lab_ifrs-full_CurrentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentMember" xlink:to="lab_ifrs-full_CurrentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesExplanatory_019ff75a-d5ab-741c-beee-3cbb40b4e5b6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of expenses [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of expenses [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfExpensesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfExpensesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfExpensesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfExpensesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_019ff75a-d484-747c-9789-a993a024ad39_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other operating income, net</link:label>
    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_label_en-US" xlink:label="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other operating income (expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherOperatingIncomeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherOperatingIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherOperatingIncomeExpense" xlink:to="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CoverAbstract_label_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SalesReturnsAndCancelations_019ff75a-d484-73d3-bfb5-e9b867ae860a_negatedTerseLabel_en-US" xlink:label="lab_suz_SalesReturnsAndCancelations" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Returns and cancellations</link:label>
    <link:label id="lab_suz_SalesReturnsAndCancelations_label_en-US" xlink:label="lab_suz_SalesReturnsAndCancelations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales Returns and Cancelations</link:label>
    <link:label id="lab_suz_SalesReturnsAndCancelations_documentation_en-US" xlink:label="lab_suz_SalesReturnsAndCancelations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total deduction from sales during the period arising from returns by customers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SalesReturnsAndCancelations" xlink:href="suz-20260630.xsd#suz_SalesReturnsAndCancelations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SalesReturnsAndCancelations" xlink:to="lab_suz_SalesReturnsAndCancelations" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_019ff75a-d50c-75f1-9283-49ba340a784f_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Shares repurchased</link:label>
    <link:label id="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_label_en-US" xlink:label="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to acquire or redeem entity's shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsToAcquireOrRedeemEntitysShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:to="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DefinedContributionPlanAnnualContributionsPerEmployeePercent_019ff75a-d50c-7466-88c0-d3f792a2976c_terseLabel_en-US" xlink:label="lab_suz_DefinedContributionPlanAnnualContributionsPerEmployeePercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Annual Contributions Per Employee, Percent</link:label>
    <link:label id="lab_suz_DefinedContributionPlanAnnualContributionsPerEmployeePercent_label_en-US" xlink:label="lab_suz_DefinedContributionPlanAnnualContributionsPerEmployeePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Annual Contributions Per Employee, Percent</link:label>
    <link:label id="lab_suz_DefinedContributionPlanAnnualContributionsPerEmployeePercent_documentation_en-US" xlink:label="lab_suz_DefinedContributionPlanAnnualContributionsPerEmployeePercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of employee gross pay the employee may contribute to a defined contribution plan.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DefinedContributionPlanAnnualContributionsPerEmployeePercent" xlink:href="suz-20260630.xsd#suz_DefinedContributionPlanAnnualContributionsPerEmployeePercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DefinedContributionPlanAnnualContributionsPerEmployeePercent" xlink:to="lab_suz_DefinedContributionPlanAnnualContributionsPerEmployeePercent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfCashAndCashEquivalentsTableTextBlock_019ff75a-d5ab-755b-8fda-a8e7d76939e1_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfCashAndCashEquivalentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of cash and cash equivalents</link:label>
    <link:label id="lab_suz_DisclosureOfCashAndCashEquivalentsTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfCashAndCashEquivalentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Cash and Cash Equivalents [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfCashAndCashEquivalentsTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfCashAndCashEquivalentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the components of cash and cash equivalents.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfCashAndCashEquivalentsTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfCashAndCashEquivalentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfCashAndCashEquivalentsTableTextBlock" xlink:to="lab_suz_DisclosureOfCashAndCashEquivalentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PropertyPlantAndEquipmentPledgedAsSecurityReleased_019ff75a-d5ab-71f0-83ef-7f6c950117e5_terseLabel_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentPledgedAsSecurityReleased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, pledged as security, released</link:label>
    <link:label id="lab_suz_PropertyPlantAndEquipmentPledgedAsSecurityReleased_label_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentPledgedAsSecurityReleased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, pledged as security, released</link:label>
    <link:label id="lab_suz_PropertyPlantAndEquipmentPledgedAsSecurityReleased_documentation_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentPledgedAsSecurityReleased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, pledged as security, released</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PropertyPlantAndEquipmentPledgedAsSecurityReleased" xlink:href="suz-20260630.xsd#suz_PropertyPlantAndEquipmentPledgedAsSecurityReleased"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PropertyPlantAndEquipmentPledgedAsSecurityReleased" xlink:to="lab_suz_PropertyPlantAndEquipmentPledgedAsSecurityReleased" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CashAndCashEquivalentsMember_019ff75a-d484-7c90-8c94-f59a59294daf_terseLabel_en-US" xlink:label="lab_suz_CashAndCashEquivalentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_suz_CashAndCashEquivalentsMember_label_en-US" xlink:label="lab_suz_CashAndCashEquivalentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents [Member]</link:label>
    <link:label id="lab_suz_CashAndCashEquivalentsMember_documentation_en-US" xlink:label="lab_suz_CashAndCashEquivalentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CashAndCashEquivalentsMember" xlink:href="suz-20260630.xsd#suz_CashAndCashEquivalentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CashAndCashEquivalentsMember" xlink:to="lab_suz_CashAndCashEquivalentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CurrentSocialContributionTax_019ff75a-d50c-7c07-a9c5-a4b35ba47d91_terseLabel_en-US" xlink:label="lab_suz_CurrentSocialContributionTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_suz_CurrentSocialContributionTax_label_en-US" xlink:label="lab_suz_CurrentSocialContributionTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Social Contribution Tax</link:label>
    <link:label id="lab_suz_CurrentSocialContributionTax_documentation_en-US" xlink:label="lab_suz_CurrentSocialContributionTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current social contribution tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CurrentSocialContributionTax" xlink:href="suz-20260630.xsd#suz_CurrentSocialContributionTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CurrentSocialContributionTax" xlink:to="lab_suz_CurrentSocialContributionTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnusedProvisionReversedOtherProvisions_019ff75a-d5ab-76fe-8ffc-6bda86bece80_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provisions/(Reversals), net</link:label>
    <link:label id="lab_ifrs-full_UnusedProvisionReversedOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unused provision reversed, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnusedProvisionReversedOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:to="lab_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_StockAppreciationRights2017AndStockAppreciationRightsPlus2017Member_019ff75a-d50c-7ed2-b6aa-2a2c077f254b_terseLabel_en-US" xlink:label="lab_suz_StockAppreciationRights2017AndStockAppreciationRightsPlus2017Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SAR and PLUS</link:label>
    <link:label id="lab_suz_StockAppreciationRights2017AndStockAppreciationRightsPlus2017Member_label_en-US" xlink:label="lab_suz_StockAppreciationRights2017AndStockAppreciationRightsPlus2017Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SAR and PLUS</link:label>
    <link:label id="lab_suz_StockAppreciationRights2017AndStockAppreciationRightsPlus2017Member_documentation_en-US" xlink:label="lab_suz_StockAppreciationRights2017AndStockAppreciationRightsPlus2017Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Stock Appreciation Rights 2017 and Stock Appreciation Rights PLUS 2017.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_StockAppreciationRights2017AndStockAppreciationRightsPlus2017Member" xlink:href="suz-20260630.xsd#suz_StockAppreciationRights2017AndStockAppreciationRightsPlus2017Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_StockAppreciationRights2017AndStockAppreciationRightsPlus2017Member" xlink:to="lab_suz_StockAppreciationRights2017AndStockAppreciationRightsPlus2017Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativeFinancialInstrumentsTermDomain_019ff75a-d484-76c2-8597-945057268494_terseLabel_en-US" xlink:label="lab_suz_DerivativeFinancialInstrumentsTermDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Financial Instruments Term [Domain]</link:label>
    <link:label id="lab_suz_DerivativeFinancialInstrumentsTermDomain_label_en-US" xlink:label="lab_suz_DerivativeFinancialInstrumentsTermDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Financial Instruments Term [Domain]</link:label>
    <link:label id="lab_suz_DerivativeFinancialInstrumentsTermDomain_documentation_en-US" xlink:label="lab_suz_DerivativeFinancialInstrumentsTermDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Financial Instruments Term [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativeFinancialInstrumentsTermDomain" xlink:href="suz-20260630.xsd#suz_DerivativeFinancialInstrumentsTermDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativeFinancialInstrumentsTermDomain" xlink:to="lab_suz_DerivativeFinancialInstrumentsTermDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory_019ff75a-d484-727e-9705-5ee45b72b878_verboseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Investments</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for subsidiaries [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseInBorrowingsDueToInterestCostsPaid_019ff75a-d50c-7ce4-88df-ed2313afe93e_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseInBorrowingsDueToInterestCostsPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Settlement of interest</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInBorrowingsDueToInterestCostsPaid_label_en-US" xlink:label="lab_suz_IncreaseDecreaseInBorrowingsDueToInterestCostsPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Borrowings Due to Interest Costs Paid</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInBorrowingsDueToInterestCostsPaid_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseInBorrowingsDueToInterestCostsPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in borrowings due to interest costs paid.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseInBorrowingsDueToInterestCostsPaid" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseInBorrowingsDueToInterestCostsPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseInBorrowingsDueToInterestCostsPaid" xlink:to="lab_suz_IncreaseDecreaseInBorrowingsDueToInterestCostsPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_019ff75a-d484-7612-ae1e-09a51c9fdaa8_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoMaterialTechnologyDevelopmentLtd.Member_019ff75a-d484-7e92-b209-2c8c702f9c27_terseLabel_en-US" xlink:label="lab_suz_SuzanoMaterialTechnologyDevelopmentLtd.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Material Technology Development Ltd. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoMaterialTechnologyDevelopmentLtd.Member_label_en-US" xlink:label="lab_suz_SuzanoMaterialTechnologyDevelopmentLtd.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Material Technology Development Ltd.</link:label>
    <link:label id="lab_suz_SuzanoMaterialTechnologyDevelopmentLtd.Member_documentation_en-US" xlink:label="lab_suz_SuzanoMaterialTechnologyDevelopmentLtd.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Material Technology Development Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoMaterialTechnologyDevelopmentLtd.Member" xlink:href="suz-20260630.xsd#suz_SuzanoMaterialTechnologyDevelopmentLtd.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoMaterialTechnologyDevelopmentLtd.Member" xlink:to="lab_suz_SuzanoMaterialTechnologyDevelopmentLtd.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalTradeAccountsPayableMember_019ff75a-d3c2-704d-8fda-728fdaaf6628_terseLabel_en-US" xlink:label="lab_suz_TotalTradeAccountsPayableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total trade accounts payable</link:label>
    <link:label id="lab_suz_TotalTradeAccountsPayableMember_label_en-US" xlink:label="lab_suz_TotalTradeAccountsPayableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total trade accounts payable [Member]</link:label>
    <link:label id="lab_suz_TotalTradeAccountsPayableMember_documentation_en-US" xlink:label="lab_suz_TotalTradeAccountsPayableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total trade accounts payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalTradeAccountsPayableMember" xlink:href="suz-20260630.xsd#suz_TotalTradeAccountsPayableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalTradeAccountsPayableMember" xlink:to="lab_suz_TotalTradeAccountsPayableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FairValueAdjustmentOnBusinessCombinationDeferredTaxesNetMember_019ff75a-d484-737a-b1f8-638b99e48042_terseLabel_en-US" xlink:label="lab_suz_FairValueAdjustmentOnBusinessCombinationDeferredTaxesNetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes, net of fair value adjustment</link:label>
    <link:label id="lab_suz_FairValueAdjustmentOnBusinessCombinationDeferredTaxesNetMember_label_en-US" xlink:label="lab_suz_FairValueAdjustmentOnBusinessCombinationDeferredTaxesNetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred taxes, net of fair value adjustment</link:label>
    <link:label id="lab_suz_FairValueAdjustmentOnBusinessCombinationDeferredTaxesNetMember_documentation_en-US" xlink:label="lab_suz_FairValueAdjustmentOnBusinessCombinationDeferredTaxesNetMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Fair value adjustment on business combination deferred taxes, net.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FairValueAdjustmentOnBusinessCombinationDeferredTaxesNetMember" xlink:href="suz-20260630.xsd#suz_FairValueAdjustmentOnBusinessCombinationDeferredTaxesNetMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FairValueAdjustmentOnBusinessCombinationDeferredTaxesNetMember" xlink:to="lab_suz_FairValueAdjustmentOnBusinessCombinationDeferredTaxesNetMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfAssumptionsUsedForCalculationOfFairValueOfBiologicalAssetsTableTextBlock_019ff75a-d50c-7ae2-a16d-3303c572447a_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfAssumptionsUsedForCalculationOfFairValueOfBiologicalAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assumptions Used for Calculation of Fair Value of Biological Assets</link:label>
    <link:label id="lab_suz_ScheduleOfAssumptionsUsedForCalculationOfFairValueOfBiologicalAssetsTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfAssumptionsUsedForCalculationOfFairValueOfBiologicalAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Assumptions Used for Calculation of Fair Value of Biological Assets [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfAssumptionsUsedForCalculationOfFairValueOfBiologicalAssetsTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfAssumptionsUsedForCalculationOfFairValueOfBiologicalAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of main assumptions for calculation of fair value of biological assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfAssumptionsUsedForCalculationOfFairValueOfBiologicalAssetsTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfAssumptionsUsedForCalculationOfFairValueOfBiologicalAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfAssumptionsUsedForCalculationOfFairValueOfBiologicalAssetsTableTextBlock" xlink:to="lab_suz_ScheduleOfAssumptionsUsedForCalculationOfFairValueOfBiologicalAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxesAndSocialSecurityIncomeTaxesMember_019ff75a-d5ab-7a28-99de-b47ac30e6ea3_terseLabel_en-US" xlink:label="lab_suz_TaxesAndSocialSecurityIncomeTaxesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes and social security - Income taxes</link:label>
    <link:label id="lab_suz_TaxesAndSocialSecurityIncomeTaxesMember_label_en-US" xlink:label="lab_suz_TaxesAndSocialSecurityIncomeTaxesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Taxes and social security - Income taxes [Member]</link:label>
    <link:label id="lab_suz_TaxesAndSocialSecurityIncomeTaxesMember_documentation_en-US" xlink:label="lab_suz_TaxesAndSocialSecurityIncomeTaxesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Taxes and social security - Income taxes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxesAndSocialSecurityIncomeTaxesMember" xlink:href="suz-20260630.xsd#suz_TaxesAndSocialSecurityIncomeTaxesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxesAndSocialSecurityIncomeTaxesMember" xlink:to="lab_suz_TaxesAndSocialSecurityIncomeTaxesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrAAMember_019ff75a-d5ab-7235-95df-e1d32b038a29_terseLabel_en-US" xlink:label="lab_suz_BrAAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">brAA+</link:label>
    <link:label id="lab_suz_BrAAMember_label_en-US" xlink:label="lab_suz_BrAAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">brAA+ [Member]</link:label>
    <link:label id="lab_suz_BrAAMember_documentation_en-US" xlink:label="lab_suz_BrAAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">brAA+</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrAAMember" xlink:href="suz-20260630.xsd#suz_BrAAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrAAMember" xlink:to="lab_suz_BrAAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PangeiaProjectMember_019ff75a-d5ab-7230-84f1-2d631afc248c_terseLabel_en-US" xlink:label="lab_suz_PangeiaProjectMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pangeia Project [Member]</link:label>
    <link:label id="lab_suz_PangeiaProjectMember_label_en-US" xlink:label="lab_suz_PangeiaProjectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pangeia Project [Member]</link:label>
    <link:label id="lab_suz_PangeiaProjectMember_documentation_en-US" xlink:label="lab_suz_PangeiaProjectMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pangeia Project</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PangeiaProjectMember" xlink:href="suz-20260630.xsd#suz_PangeiaProjectMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PangeiaProjectMember" xlink:to="lab_suz_PangeiaProjectMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfAllocationOfProfitLossToReservesAndDividendsTableTextBlock_019ff75a-d50c-79e0-9242-1a068a592dbc_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfAllocationOfProfitLossToReservesAndDividendsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of result absorption</link:label>
    <link:label id="lab_suz_ScheduleOfAllocationOfProfitLossToReservesAndDividendsTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfAllocationOfProfitLossToReservesAndDividendsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Allocation of Profit (Loss) To Reserves and Dividends [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfAllocationOfProfitLossToReservesAndDividendsTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfAllocationOfProfitLossToReservesAndDividendsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Allocation of Profit (Loss) To Reserves and Dividends</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfAllocationOfProfitLossToReservesAndDividendsTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfAllocationOfProfitLossToReservesAndDividendsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfAllocationOfProfitLossToReservesAndDividendsTableTextBlock" xlink:to="lab_suz_ScheduleOfAllocationOfProfitLossToReservesAndDividendsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories_019ff75a-d50c-77c0-8752-dc8217b100c4_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision (reversal) for inventory losses, net</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories" xlink:to="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesDomain_019ff75a-d50c-7082-ad6f-ac2ecc4c1c93_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_019ff75a-d5ab-7406-aa8a-bcdaef720260_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Actuarial loss &#8211; financial assumptions (1)</link:label>
    <link:label id="lab_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForInterestExpense_019ff75a-d5ab-7cb1-9e23-32e4d73cf9c5_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForInterestExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expenses on financing, loans and debentures</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForInterestExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForInterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for interest expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForInterestExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForInterestExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForInterestExpense" xlink:to="lab_ifrs-full_AdjustmentsForInterestExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NominalDiscountRateMedicalAssistanceAndLifeInsurance_019ff75a-d50c-717a-80ab-86547590f4a2_terseLabel_en-US" xlink:label="lab_suz_NominalDiscountRateMedicalAssistanceAndLifeInsurance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nominal discount rate &#8211; medical assistance and life insurance</link:label>
    <link:label id="lab_suz_NominalDiscountRateMedicalAssistanceAndLifeInsurance_label_en-US" xlink:label="lab_suz_NominalDiscountRateMedicalAssistanceAndLifeInsurance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nominal discount rate &#8211; medical assistance and life insurance</link:label>
    <link:label id="lab_suz_NominalDiscountRateMedicalAssistanceAndLifeInsurance_documentation_en-US" xlink:label="lab_suz_NominalDiscountRateMedicalAssistanceAndLifeInsurance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NominalDiscountRateMedicalAssistanceAndLifeInsurance" xlink:href="suz-20260630.xsd#suz_NominalDiscountRateMedicalAssistanceAndLifeInsurance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NominalDiscountRateMedicalAssistanceAndLifeInsurance" xlink:to="lab_suz_NominalDiscountRateMedicalAssistanceAndLifeInsurance" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MonetaryAndExchangeRateVariationsNetAbstract_019ff75a-d484-7d26-a8b0-aa71c37ccda4_terseLabel_en-US" xlink:label="lab_suz_MonetaryAndExchangeRateVariationsNetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Monetary and exchange rate variations, net [Abstract]</link:label>
    <link:label id="lab_suz_MonetaryAndExchangeRateVariationsNetAbstract_label_en-US" xlink:label="lab_suz_MonetaryAndExchangeRateVariationsNetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Monetary and exchange rate variations, net [Abstract]</link:label>
    <link:label id="lab_suz_MonetaryAndExchangeRateVariationsNetAbstract_documentation_en-US" xlink:label="lab_suz_MonetaryAndExchangeRateVariationsNetAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Monetary and exchange rate variations, net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MonetaryAndExchangeRateVariationsNetAbstract" xlink:href="suz-20260630.xsd#suz_MonetaryAndExchangeRateVariationsNetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MonetaryAndExchangeRateVariationsNetAbstract" xlink:to="lab_suz_MonetaryAndExchangeRateVariationsNetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_019ff75a-d5ab-7958-a1cd-ee490e1edefe_totalLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total comprehensive income</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="lab_ifrs-full_ComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExplanatory_019ff75a-d50c-7529-8b29-acd53bea9d5e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the book value of financial assets representing the exposure to credit risk</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesBiologicalAssets_019ff75a-d50c-7bfe-8cf2-076cd8e413b6_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through other changes, biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesBiologicalAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesBiologicalAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughBorrowingCostDeferredTaxLiabilityAsset_019ff75a-d484-7740-b6fc-fab4af6e274e_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughBorrowingCostDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized loan costs</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughBorrowingCostDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughBorrowingCostDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Borrowing Cost, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughBorrowingCostDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughBorrowingCostDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from borrowing cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughBorrowingCostDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughBorrowingCostDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughBorrowingCostDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughBorrowingCostDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory_019ff75a-d484-7f22-bcf0-bf17c646f42d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WorkInProgress_019ff75a-d50c-7985-a1f9-6d3617cf16ca_terseLabel_en-US" xlink:label="lab_ifrs-full_WorkInProgress" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current work in progress</link:label>
    <link:label id="lab_ifrs-full_WorkInProgress_label_en-US" xlink:label="lab_ifrs-full_WorkInProgress" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current work in progress</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WorkInProgress" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WorkInProgress"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WorkInProgress" xlink:to="lab_ifrs-full_WorkInProgress" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_019ff75a-d5ab-7294-8770-0009962a69f3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of basis of preparation of financial statements</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of basis of preparation of financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BalancesWithBanks_019ff75a-d3c2-7b6c-9049-c78c3956c4a6_terseLabel_en-US" xlink:label="lab_ifrs-full_BalancesWithBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and banks</link:label>
    <link:label id="lab_ifrs-full_BalancesWithBanks_label_en-US" xlink:label="lab_ifrs-full_BalancesWithBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balances with banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BalancesWithBanks" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BalancesWithBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BalancesWithBanks" xlink:to="lab_ifrs-full_BalancesWithBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ThresHoldAmountOfIncomeForAdditionalTaxRate_019ff75a-d50c-7131-8467-c44e7a0ecbda_terseLabel_en-US" xlink:label="lab_suz_ThresHoldAmountOfIncomeForAdditionalTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thres hold Amount Of Income For Additional Tax Rate</link:label>
    <link:label id="lab_suz_ThresHoldAmountOfIncomeForAdditionalTaxRate_label_en-US" xlink:label="lab_suz_ThresHoldAmountOfIncomeForAdditionalTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Thres hold Amount Of Income For Additional Tax Rate</link:label>
    <link:label id="lab_suz_ThresHoldAmountOfIncomeForAdditionalTaxRate_documentation_en-US" xlink:label="lab_suz_ThresHoldAmountOfIncomeForAdditionalTaxRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The threshold amount of income above which additional tax will be applicable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ThresHoldAmountOfIncomeForAdditionalTaxRate" xlink:href="suz-20260630.xsd#suz_ThresHoldAmountOfIncomeForAdditionalTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ThresHoldAmountOfIncomeForAdditionalTaxRate" xlink:to="lab_suz_ThresHoldAmountOfIncomeForAdditionalTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RelatedPartiesMember_019ff75a-d50c-7a74-927b-1d3198fb028b_verboseLabel_en-US" xlink:label="lab_ifrs-full_RelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total for all related parties</link:label>
    <link:label id="lab_ifrs-full_RelatedPartiesMember_019ff75a-d50c-74f1-af08-7f4765416db3_terseLabel_en-US" xlink:label="lab_ifrs-full_RelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related party</link:label>
    <link:label id="lab_ifrs-full_RelatedPartiesMember_label_en-US" xlink:label="lab_ifrs-full_RelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total for all related parties [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RelatedPartiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RelatedPartiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RelatedPartiesMember" xlink:to="lab_ifrs-full_RelatedPartiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Assets_019ff75a-d5ab-7805-b0f0-5ff06c47cc35_totalLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL ASSETS</link:label>
    <link:label id="lab_ifrs-full_Assets_label_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Assets" xlink:to="lab_ifrs-full_Assets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ReserveOfActuarialGainsLossesMember_019ff75a-d50c-7633-a68d-a3dd673c5607_terseLabel_en-US" xlink:label="lab_suz_ReserveOfActuarialGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial loss</link:label>
    <link:label id="lab_suz_ReserveOfActuarialGainsLossesMember_label_en-US" xlink:label="lab_suz_ReserveOfActuarialGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial loss</link:label>
    <link:label id="lab_suz_ReserveOfActuarialGainsLossesMember_documentation_en-US" xlink:label="lab_suz_ReserveOfActuarialGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for reserve of actuarial gains (losses).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ReserveOfActuarialGainsLossesMember" xlink:href="suz-20260630.xsd#suz_ReserveOfActuarialGainsLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ReserveOfActuarialGainsLossesMember" xlink:to="lab_suz_ReserveOfActuarialGainsLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_A2028Member_019ff75a-d484-789b-9bf3-7058b2c4905d_terseLabel_en-US" xlink:label="lab_suz_A2028Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2028</link:label>
    <link:label id="lab_suz_A2028Member_label_en-US" xlink:label="lab_suz_A2028Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2028 [Member]</link:label>
    <link:label id="lab_suz_A2028Member_documentation_en-US" xlink:label="lab_suz_A2028Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2028</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_A2028Member" xlink:href="suz-20260630.xsd#suz_A2028Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_A2028Member" xlink:to="lab_suz_A2028Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LandsAndFarmsMember_019ff75a-d50c-75b8-8c73-3e388ff8f043_verboseLabel_en-US" xlink:label="lab_suz_LandsAndFarmsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Lands</link:label>
    <link:label id="lab_suz_LandsAndFarmsMember_019ff75a-d50c-7a06-b251-ec59b48e8b84_terseLabel_en-US" xlink:label="lab_suz_LandsAndFarmsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lands and farms</link:label>
    <link:label id="lab_suz_LandsAndFarmsMember_label_en-US" xlink:label="lab_suz_LandsAndFarmsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lands and farms [Member]</link:label>
    <link:label id="lab_suz_LandsAndFarmsMember_documentation_en-US" xlink:label="lab_suz_LandsAndFarmsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for lands and farms.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LandsAndFarmsMember" xlink:href="suz-20260630.xsd#suz_LandsAndFarmsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LandsAndFarmsMember" xlink:to="lab_suz_LandsAndFarmsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_019ff75a-d5ab-7a28-b34a-41b9fead494b_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of other equity instruments outstanding in share-based payment arrangement</link:label>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of other equity instruments outstanding in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfRecoverableTaxesTextBlock_019ff75a-d5ab-7246-8ac9-10d414f3b24d_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfRecoverableTaxesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Recoverable Taxes</link:label>
    <link:label id="lab_suz_DisclosureOfRecoverableTaxesTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfRecoverableTaxesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Recoverable Taxes [Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfRecoverableTaxesTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfRecoverableTaxesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of recoverable taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfRecoverableTaxesTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfRecoverableTaxesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfRecoverableTaxesTextBlock" xlink:to="lab_suz_DisclosureOfRecoverableTaxesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoShanghaiLtd.Member_019ff75a-d483-7f11-88ba-b9a5fd068b4d_terseLabel_en-US" xlink:label="lab_suz_SuzanoShanghaiLtd.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Shanghai Ltda. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoShanghaiLtd.Member_label_en-US" xlink:label="lab_suz_SuzanoShanghaiLtd.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Shanghai Ltd.</link:label>
    <link:label id="lab_suz_SuzanoShanghaiLtd.Member_documentation_en-US" xlink:label="lab_suz_SuzanoShanghaiLtd.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Shanghai Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoShanghaiLtd.Member" xlink:href="suz-20260630.xsd#suz_SuzanoShanghaiLtd.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoShanghaiLtd.Member" xlink:to="lab_suz_SuzanoShanghaiLtd.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_019ff75a-d50c-7084-896e-342570080895_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business combinations</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for business combinations [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfAdministrativeProceedingsAndLawsuits_019ff75a-d5ab-75dc-969b-d25808d8bf47_terseLabel_en-US" xlink:label="lab_suz_NumberOfAdministrativeProceedingsAndLawsuits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Administrative Proceedings and Lawsuits</link:label>
    <link:label id="lab_suz_NumberOfAdministrativeProceedingsAndLawsuits_label_en-US" xlink:label="lab_suz_NumberOfAdministrativeProceedingsAndLawsuits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Administrative Proceedings and Lawsuits</link:label>
    <link:label id="lab_suz_NumberOfAdministrativeProceedingsAndLawsuits_documentation_en-US" xlink:label="lab_suz_NumberOfAdministrativeProceedingsAndLawsuits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of administrative proceedings and lawsuits during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfAdministrativeProceedingsAndLawsuits" xlink:href="suz-20260630.xsd#suz_NumberOfAdministrativeProceedingsAndLawsuits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfAdministrativeProceedingsAndLawsuits" xlink:to="lab_suz_NumberOfAdministrativeProceedingsAndLawsuits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CreditRiskMember_019ff75a-d50c-78fc-942e-3f6acf44b38a_terseLabel_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit risk [member]</link:label>
    <link:label id="lab_ifrs-full_CreditRiskMember_label_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CreditRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CreditRiskMember" xlink:to="lab_ifrs-full_CreditRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_EquityMethodInvesteeNameDomain_019ff75a-d50c-73a3-8057-fa9c67c65ca5_terseLabel_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</link:label>
    <link:label id="lab_srt_EquityMethodInvesteeNameDomain_label_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_EquityMethodInvesteeNameDomain" xlink:to="lab_srt_EquityMethodInvesteeNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LeaseLiabilitiesAddition_019ff75a-d50c-72aa-a1b6-d950145d8d95_terseLabel_en-US" xlink:label="lab_suz_LeaseLiabilitiesAddition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions/updates</link:label>
    <link:label id="lab_suz_LeaseLiabilitiesAddition_label_en-US" xlink:label="lab_suz_LeaseLiabilitiesAddition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Liabilities, Addition</link:label>
    <link:label id="lab_suz_LeaseLiabilitiesAddition_documentation_en-US" xlink:label="lab_suz_LeaseLiabilitiesAddition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of additional lease liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LeaseLiabilitiesAddition" xlink:href="suz-20260630.xsd#suz_LeaseLiabilitiesAddition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LeaseLiabilitiesAddition" xlink:to="lab_suz_LeaseLiabilitiesAddition" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_019ff75a-d5ab-7651-a8a9-06e78d7b64ee_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of interest rates [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of interest rates [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfInterestRatesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:to="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ForwardContractMember_019ff75a-d484-7a1e-9139-4093f8ca70cc_terseLabel_en-US" xlink:label="lab_ifrs-full_ForwardContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Non-Deliverable Forward (&#8216;NDF&#8217;) Contracts</link:label>
    <link:label id="lab_ifrs-full_ForwardContractMember_label_en-US" xlink:label="lab_ifrs-full_ForwardContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward contract [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ForwardContractMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ForwardContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ForwardContractMember" xlink:to="lab_ifrs-full_ForwardContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AverageCycleForFormationOfForestsBiologicalAssets_019ff75a-d5ab-7208-b89b-2f19eac389be_terseLabel_en-US" xlink:label="lab_suz_AverageCycleForFormationOfForestsBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average Cycle for Formation of Forests, Biological Assets</link:label>
    <link:label id="lab_suz_AverageCycleForFormationOfForestsBiologicalAssets_label_en-US" xlink:label="lab_suz_AverageCycleForFormationOfForestsBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average Cycle for Formation of Forests, Biological Assets</link:label>
    <link:label id="lab_suz_AverageCycleForFormationOfForestsBiologicalAssets_documentation_en-US" xlink:label="lab_suz_AverageCycleForFormationOfForestsBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The period of harvest cycle with productivity and area of plantation for determining the fair value of biological assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AverageCycleForFormationOfForestsBiologicalAssets" xlink:href="suz-20260630.xsd#suz_AverageCycleForFormationOfForestsBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AverageCycleForFormationOfForestsBiologicalAssets" xlink:to="lab_suz_AverageCycleForFormationOfForestsBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsMember_019ff75a-d5ab-7753-bc89-999de400eb15_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2029 onwards</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than three years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanThreeYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeYearsMember" xlink:to="lab_ifrs-full_LaterThanThreeYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToEuroMember_019ff75a-d50c-76fb-a484-e0832b1dedc3_terseLabel_en-US" xlink:label="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToEuroMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.S. Dollar to Euro</link:label>
    <link:label id="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToEuroMember_label_en-US" xlink:label="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToEuroMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">U.S. Dollar to Euro</link:label>
    <link:label id="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToEuroMember_documentation_en-US" xlink:label="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToEuroMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a derivative designated as a hedging instrument to offset risks of the Euro vs U.S. Dollar.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToEuroMember" xlink:href="suz-20260630.xsd#suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToEuroMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToEuroMember" xlink:to="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToEuroMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_WoodspinOyMember_019ff75a-d5ab-7e5a-bd2d-d585c8a547db_terseLabel_en-US" xlink:label="lab_suz_WoodspinOyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Woodspin Oy (Direct/Indirect) (&#8220;Woodspin&#8221;) (2)</link:label>
    <link:label id="lab_suz_WoodspinOyMember_019ff75a-d5ab-7ddc-8ebd-d8511dfd9686_verboseLabel_en-US" xlink:label="lab_suz_WoodspinOyMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Woodspin Oy</link:label>
    <link:label id="lab_suz_WoodspinOyMember_label_en-US" xlink:label="lab_suz_WoodspinOyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Woodspin Oy [Member]</link:label>
    <link:label id="lab_suz_WoodspinOyMember_documentation_en-US" xlink:label="lab_suz_WoodspinOyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Woodspin Oy.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_WoodspinOyMember" xlink:href="suz-20260630.xsd#suz_WoodspinOyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_WoodspinOyMember" xlink:to="lab_suz_WoodspinOyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_019ff75a-d5ab-7702-87af-829285b805ea_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of borrowings [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProvisionsForOtherLossesMember_019ff75a-d484-7529-895c-d798a95f17bb_terseLabel_en-US" xlink:label="lab_suz_ProvisionsForOtherLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions for other losses</link:label>
    <link:label id="lab_suz_ProvisionsForOtherLossesMember_label_en-US" xlink:label="lab_suz_ProvisionsForOtherLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions for other losses [Member]</link:label>
    <link:label id="lab_suz_ProvisionsForOtherLossesMember_documentation_en-US" xlink:label="lab_suz_ProvisionsForOtherLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions for other losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProvisionsForOtherLossesMember" xlink:href="suz-20260630.xsd#suz_ProvisionsForOtherLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProvisionsForOtherLossesMember" xlink:to="lab_suz_ProvisionsForOtherLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PublicSecuritiesInstitutoDeCreditoOficialICOMember_019ff75a-d484-780b-8d6f-5e8bd271cf07_terseLabel_en-US" xlink:label="lab_suz_PublicSecuritiesInstitutoDeCreditoOficialICOMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Public Securities - Instituto de Cr&#233;dito Oficial (ICO)</link:label>
    <link:label id="lab_suz_PublicSecuritiesInstitutoDeCreditoOficialICOMember_label_en-US" xlink:label="lab_suz_PublicSecuritiesInstitutoDeCreditoOficialICOMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Public Securities - Instituto de Cr&#233;dito Oficial (ICO) [Member]</link:label>
    <link:label id="lab_suz_PublicSecuritiesInstitutoDeCreditoOficialICOMember_documentation_en-US" xlink:label="lab_suz_PublicSecuritiesInstitutoDeCreditoOficialICOMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Public Securities - Instituto de Cr&#233;dito Oficial (ICO)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PublicSecuritiesInstitutoDeCreditoOficialICOMember" xlink:href="suz-20260630.xsd#suz_PublicSecuritiesInstitutoDeCreditoOficialICOMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PublicSecuritiesInstitutoDeCreditoOficialICOMember" xlink:to="lab_suz_PublicSecuritiesInstitutoDeCreditoOficialICOMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShorttermBorrowings_019ff75a-d5ab-7591-87f3-6c9de27a9b3d_terseLabel_en-US" xlink:label="lab_ifrs-full_ShorttermBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current borrowings</link:label>
    <link:label id="lab_ifrs-full_ShorttermBorrowings_label_en-US" xlink:label="lab_ifrs-full_ShorttermBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShorttermBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermBorrowings" xlink:to="lab_ifrs-full_ShorttermBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralLineItems_019ff75a-d50c-74dd-8ed3-5222c393ea46_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Property, Plant and Equipment Pledged as Collateral [Line Items]</link:label>
    <link:label id="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralLineItems_label_en-US" xlink:label="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Property, Plant and Equipment Pledged as Collateral [Line Items]</link:label>
    <link:label id="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralLineItems_documentation_en-US" xlink:label="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of Property, Plant and Equipment Pledged as Collateral [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralLineItems" xlink:href="suz-20260630.xsd#suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralLineItems" xlink:to="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_019ff75a-d50c-7219-a367-de78765c7bde_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOtherProvisionsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_019ff75a-d50c-7337-ac09-ca00a6334afd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of information about key management personnel [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information about key management personnel [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentsForDecreaseIncreaseInTaxPayable_019ff75a-d50c-7574-a694-8e4f2c610436_terseLabel_en-US" xlink:label="lab_suz_AdjustmentsForDecreaseIncreaseInTaxPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes payable</link:label>
    <link:label id="lab_suz_AdjustmentsForDecreaseIncreaseInTaxPayable_label_en-US" xlink:label="lab_suz_AdjustmentsForDecreaseIncreaseInTaxPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (Increase) in Tax Payable</link:label>
    <link:label id="lab_suz_AdjustmentsForDecreaseIncreaseInTaxPayable_documentation_en-US" xlink:label="lab_suz_AdjustmentsForDecreaseIncreaseInTaxPayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in taxes payable to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentsForDecreaseIncreaseInTaxPayable" xlink:href="suz-20260630.xsd#suz_AdjustmentsForDecreaseIncreaseInTaxPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentsForDecreaseIncreaseInTaxPayable" xlink:to="lab_suz_AdjustmentsForDecreaseIncreaseInTaxPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonDeliverableForwardEuroToUnitedStatesDollarMember_019ff75a-d484-7025-96e9-582851dc1201_terseLabel_en-US" xlink:label="lab_suz_NonDeliverableForwardEuroToUnitedStatesDollarMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NDF (RMB x US$)</link:label>
    <link:label id="lab_suz_NonDeliverableForwardEuroToUnitedStatesDollarMember_label_en-US" xlink:label="lab_suz_NonDeliverableForwardEuroToUnitedStatesDollarMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NDF (Euro x US$)</link:label>
    <link:label id="lab_suz_NonDeliverableForwardEuroToUnitedStatesDollarMember_documentation_en-US" xlink:label="lab_suz_NonDeliverableForwardEuroToUnitedStatesDollarMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for non-deliverable forward contracts long positions in U.S. Dollars in order to protect transactions conducted in Euros.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonDeliverableForwardEuroToUnitedStatesDollarMember" xlink:href="suz-20260630.xsd#suz_NonDeliverableForwardEuroToUnitedStatesDollarMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonDeliverableForwardEuroToUnitedStatesDollarMember" xlink:to="lab_suz_NonDeliverableForwardEuroToUnitedStatesDollarMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExchangeAgreementForBiologicalAssetsMember_019ff75a-d484-7871-810d-78b8714bfe1e_terseLabel_en-US" xlink:label="lab_suz_ExchangeAgreementForBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange Agreement For Biological Assets</link:label>
    <link:label id="lab_suz_ExchangeAgreementForBiologicalAssetsMember_label_en-US" xlink:label="lab_suz_ExchangeAgreementForBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exchange Agreement For Biological Assets [Member]</link:label>
    <link:label id="lab_suz_ExchangeAgreementForBiologicalAssetsMember_documentation_en-US" xlink:label="lab_suz_ExchangeAgreementForBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exchange Agreement For Biological Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExchangeAgreementForBiologicalAssetsMember" xlink:href="suz-20260630.xsd#suz_ExchangeAgreementForBiologicalAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExchangeAgreementForBiologicalAssetsMember" xlink:to="lab_suz_ExchangeAgreementForBiologicalAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OptionContractMember_019ff75a-d5ab-74fc-b350-f03fe686451c_terseLabel_en-US" xlink:label="lab_ifrs-full_OptionContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative options</link:label>
    <link:label id="lab_ifrs-full_OptionContractMember_label_en-US" xlink:label="lab_ifrs-full_OptionContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option contract [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OptionContractMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OptionContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OptionContractMember" xlink:to="lab_ifrs-full_OptionContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PercentageOfTurnover_019ff75a-d484-7113-b48a-9fabf5537457_terseLabel_en-US" xlink:label="lab_suz_PercentageOfTurnover" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of Turnover</link:label>
    <link:label id="lab_suz_PercentageOfTurnover_label_en-US" xlink:label="lab_suz_PercentageOfTurnover" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Turnover</link:label>
    <link:label id="lab_suz_PercentageOfTurnover_documentation_en-US" xlink:label="lab_suz_PercentageOfTurnover" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of turnover that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PercentageOfTurnover" xlink:href="suz-20260630.xsd#suz_PercentageOfTurnover"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PercentageOfTurnover" xlink:to="lab_suz_PercentageOfTurnover" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment_019ff75a-d50c-7355-9306-2f7f637671bd_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Income (loss) on disposal and write-off of non-current assets</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on disposals of property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_019ff75a-d5ab-783b-a1dc-f43a2f28d83c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NCRRuralProducerCertificateMember_019ff75a-d50c-7a87-9d40-da0b2ff6c9f1_terseLabel_en-US" xlink:label="lab_suz_NCRRuralProducerCertificateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NCR ("Rural producer certificate")</link:label>
    <link:label id="lab_suz_NCRRuralProducerCertificateMember_label_en-US" xlink:label="lab_suz_NCRRuralProducerCertificateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NCR ("Rural producer certificate") [Member]</link:label>
    <link:label id="lab_suz_NCRRuralProducerCertificateMember_documentation_en-US" xlink:label="lab_suz_NCRRuralProducerCertificateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Rural Producer Certificate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NCRRuralProducerCertificateMember" xlink:href="suz-20260630.xsd#suz_NCRRuralProducerCertificateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NCRRuralProducerCertificateMember" xlink:to="lab_suz_NCRRuralProducerCertificateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ReclassificationToBiologicalAssets_019ff75a-d484-723f-8226-f8af27aa4cee_terseLabel_en-US" xlink:label="lab_suz_ReclassificationToBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassification to biological assets</link:label>
    <link:label id="lab_suz_ReclassificationToBiologicalAssets_label_en-US" xlink:label="lab_suz_ReclassificationToBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification to biological assets</link:label>
    <link:label id="lab_suz_ReclassificationToBiologicalAssets_documentation_en-US" xlink:label="lab_suz_ReclassificationToBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reclassification to biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ReclassificationToBiologicalAssets" xlink:href="suz-20260630.xsd#suz_ReclassificationToBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ReclassificationToBiologicalAssets" xlink:to="lab_suz_ReclassificationToBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinancialLiabilitiesUndiscountedCashFlows_019ff75a-d50c-7c81-8cf2-6b08bad23395_terseLabel_en-US" xlink:label="lab_suz_FinancialLiabilitiesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Liabilities, Undiscounted Cash Flows</link:label>
    <link:label id="lab_suz_FinancialLiabilitiesUndiscountedCashFlows_label_en-US" xlink:label="lab_suz_FinancialLiabilitiesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities, Undiscounted Cash Flows</link:label>
    <link:label id="lab_suz_FinancialLiabilitiesUndiscountedCashFlows_documentation_en-US" xlink:label="lab_suz_FinancialLiabilitiesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of contractual undiscounted cash flows in relation to financial liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinancialLiabilitiesUndiscountedCashFlows" xlink:href="suz-20260630.xsd#suz_FinancialLiabilitiesUndiscountedCashFlows"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinancialLiabilitiesUndiscountedCashFlows" xlink:to="lab_suz_FinancialLiabilitiesUndiscountedCashFlows" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits_019ff75a-d3c2-7e16-957e-93747ac3321e_terseLabel_en-US" xlink:label="lab_suz_IncreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in Provision for Impairment of Value Added Tax on Sales and Services Credits</link:label>
    <link:label id="lab_suz_IncreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits_label_en-US" xlink:label="lab_suz_IncreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase in Provision for Impairment of Value Added Tax on Sales and Services Credits</link:label>
    <link:label id="lab_suz_IncreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits_documentation_en-US" xlink:label="lab_suz_IncreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of provision for impairment of value added tax on sales and services credits recognized during the year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:href="suz-20260630.xsd#suz_IncreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:to="lab_suz_IncreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments_019ff75a-d50c-7d84-84a3-0984cecd8cd8_totalLabel_en-US" xlink:label="lab_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Investments, including Goodwill and Financial Instruments</link:label>
    <link:label id="lab_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments_019ff75a-d50c-72e7-bbc1-6f06812dbd77_terseLabel_en-US" xlink:label="lab_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Investments, including Goodwill and Financial Instruments</link:label>
    <link:label id="lab_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments_label_en-US" xlink:label="lab_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Investments, including Goodwill and Financial Instruments</link:label>
    <link:label id="lab_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments_documentation_en-US" xlink:label="lab_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Investments, including Goodwill and Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments" xlink:href="suz-20260630.xsd#suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments" xlink:to="lab_suz_TotalInvestmentsIncludingGoodwillAndFinancialInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PercentageOfAgingFactor_019ff75a-d50c-78df-990d-db527531ddd3_terseLabel_en-US" xlink:label="lab_suz_PercentageOfAgingFactor" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of Aging Factor</link:label>
    <link:label id="lab_suz_PercentageOfAgingFactor_label_en-US" xlink:label="lab_suz_PercentageOfAgingFactor" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Aging Factor</link:label>
    <link:label id="lab_suz_PercentageOfAgingFactor_documentation_en-US" xlink:label="lab_suz_PercentageOfAgingFactor" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of adjustment based on a tiered aging factor that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PercentageOfAgingFactor" xlink:href="suz-20260630.xsd#suz_PercentageOfAgingFactor"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PercentageOfAgingFactor" xlink:to="lab_suz_PercentageOfAgingFactor" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NetAveragePulpPrice_019ff75a-d484-7f26-9fec-17bb4e1f586b_terseLabel_en-US" xlink:label="lab_suz_NetAveragePulpPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Average Pulp Price</link:label>
    <link:label id="lab_suz_NetAveragePulpPrice_label_en-US" xlink:label="lab_suz_NetAveragePulpPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Average Pulp Price</link:label>
    <link:label id="lab_suz_NetAveragePulpPrice_documentation_en-US" xlink:label="lab_suz_NetAveragePulpPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net average pulp price for the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NetAveragePulpPrice" xlink:href="suz-20260630.xsd#suz_NetAveragePulpPrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NetAveragePulpPrice" xlink:to="lab_suz_NetAveragePulpPrice" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfBiologicalAssets_019ff75a-d5ab-70ee-bbdd-19b849d4ef65_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Purchase of biological assets</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfBiologicalAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfBiologicalAssets" xlink:to="lab_ifrs-full_PurchaseOfBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_019ff75a-d5ab-7330-805e-df1efe202fdf_terseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in subsidiaries, joint ventures and associates reported in separate financial statements</link:label>
    <link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_label_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in subsidiaries, joint ventures and associates reported in separate financial statements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:to="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RuralCreditNotesMember_019ff75a-d50c-71c7-81c4-c57099afa19f_terseLabel_en-US" xlink:label="lab_suz_RuralCreditNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NCR (&#8220;Rural Credit Notes&#8221;)</link:label>
    <link:label id="lab_suz_RuralCreditNotesMember_label_en-US" xlink:label="lab_suz_RuralCreditNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NCR ("Rural Credit Notes")</link:label>
    <link:label id="lab_suz_RuralCreditNotesMember_documentation_en-US" xlink:label="lab_suz_RuralCreditNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for rural credit notes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RuralCreditNotesMember" xlink:href="suz-20260630.xsd#suz_RuralCreditNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RuralCreditNotesMember" xlink:to="lab_suz_RuralCreditNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisposalsPropertyPlantAndEquipment_019ff75a-d484-7a8e-8057-6a697eed16b8_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_ifrs-full_DisposalsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposals, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisposalsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_019ff75a-d50c-75b3-bb89-0b638e7df9d6_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax and social contribution benefit (expense) at statutory nominal rate of 34%</link:label>
    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_label_en-US" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax expense (income) at applicable tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxExpenseIncomeAtApplicableTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:to="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherProductsNotSeparatelyDisclosedMember_019ff75a-d484-74f0-96e7-19b0d4abcb26_terseLabel_en-US" xlink:label="lab_suz_OtherProductsNotSeparatelyDisclosedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_suz_OtherProductsNotSeparatelyDisclosedMember_label_en-US" xlink:label="lab_suz_OtherProductsNotSeparatelyDisclosedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other products</link:label>
    <link:label id="lab_suz_OtherProductsNotSeparatelyDisclosedMember_documentation_en-US" xlink:label="lab_suz_OtherProductsNotSeparatelyDisclosedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other products not separately disclosed.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherProductsNotSeparatelyDisclosedMember" xlink:href="suz-20260630.xsd#suz_OtherProductsNotSeparatelyDisclosedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherProductsNotSeparatelyDisclosedMember" xlink:to="lab_suz_OtherProductsNotSeparatelyDisclosedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ConstructionInProgressMember_019ff75a-d5ab-7c3f-b760-65adab149bb6_terseLabel_en-US" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Work in progress</link:label>
    <link:label id="lab_ifrs-full_ConstructionInProgressMember_label_en-US" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction in progress [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ConstructionInProgressMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConstructionInProgressMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ConstructionInProgressMember" xlink:to="lab_ifrs-full_ConstructionInProgressMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SwapContractMember_019ff75a-d484-7286-9364-7f2d8816e30f_terseLabel_en-US" xlink:label="lab_ifrs-full_SwapContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative swaps</link:label>
    <link:label id="lab_ifrs-full_SwapContractMember_label_en-US" xlink:label="lab_ifrs-full_SwapContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap contract [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SwapContractMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SwapContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SwapContractMember" xlink:to="lab_ifrs-full_SwapContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAbstract_019ff75a-d3c2-71ed-948d-17ddb8fc84b4_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_ifrs-full_AssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="lab_ifrs-full_AssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxesProceedingsAndLawsuitsAmount_019ff75a-d5ab-7089-bad1-7552651db9cc_terseLabel_en-US" xlink:label="lab_suz_IncomeTaxesProceedingsAndLawsuitsAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income taxes, proceeding and lawsuits</link:label>
    <link:label id="lab_suz_IncomeTaxesProceedingsAndLawsuitsAmount_label_en-US" xlink:label="lab_suz_IncomeTaxesProceedingsAndLawsuitsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes, Proceedings and Lawsuits, Amount</link:label>
    <link:label id="lab_suz_IncomeTaxesProceedingsAndLawsuitsAmount_documentation_en-US" xlink:label="lab_suz_IncomeTaxesProceedingsAndLawsuitsAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Taxes, Proceedings and Lawsuits, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxesProceedingsAndLawsuitsAmount" xlink:href="suz-20260630.xsd#suz_IncomeTaxesProceedingsAndLawsuitsAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxesProceedingsAndLawsuitsAmount" xlink:to="lab_suz_IncomeTaxesProceedingsAndLawsuitsAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoInternationalHoldingB.VMember_019ff75a-d50c-77d7-a0d9-663af120e48f_terseLabel_en-US" xlink:label="lab_suz_SuzanoInternationalHoldingB.VMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano International Holding B.V. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoInternationalHoldingB.VMember_label_en-US" xlink:label="lab_suz_SuzanoInternationalHoldingB.VMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano International Holding B.V [Member]</link:label>
    <link:label id="lab_suz_SuzanoInternationalHoldingB.VMember_documentation_en-US" xlink:label="lab_suz_SuzanoInternationalHoldingB.VMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Suzano International Holding B.V</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoInternationalHoldingB.VMember" xlink:href="suz-20260630.xsd#suz_SuzanoInternationalHoldingB.VMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoInternationalHoldingB.VMember" xlink:to="lab_suz_SuzanoInternationalHoldingB.VMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfCompanyOperationsTextBlock_019ff75a-d3c2-7be5-acc0-2a1098c06bb9_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfCompanyOperationsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Company Operations</link:label>
    <link:label id="lab_suz_DisclosureOfCompanyOperationsTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfCompanyOperationsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Company Operations [Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfCompanyOperationsTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfCompanyOperationsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of information relating to company operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfCompanyOperationsTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfCompanyOperationsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfCompanyOperationsTextBlock" xlink:to="lab_suz_DisclosureOfCompanyOperationsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FETechnologiesLLCMember_019ff75a-d3c2-7841-b9d6-c71fbf3ce52e_verboseLabel_en-US" xlink:label="lab_suz_FETechnologiesLLCMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">F&amp;E Technologies LLC</link:label>
    <link:label id="lab_suz_FETechnologiesLLCMember_label_en-US" xlink:label="lab_suz_FETechnologiesLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">F&amp;E Technologies LLC [Member]</link:label>
    <link:label id="lab_suz_FETechnologiesLLCMember_documentation_en-US" xlink:label="lab_suz_FETechnologiesLLCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for F&amp;E Technologies LLC.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FETechnologiesLLCMember" xlink:href="suz-20260630.xsd#suz_FETechnologiesLLCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FETechnologiesLLCMember" xlink:to="lab_suz_FETechnologiesLLCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill_019ff75a-d484-7e0e-8d3a-cadcabccfe7d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposals and retirements, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember_019ff75a-d50c-70c6-9510-a8ecbf81a197_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">From 91 to 120 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than three months and not later than four months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:to="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NegativeTaxBaseMember_019ff75a-d484-7683-be5f-963d847e3010_terseLabel_en-US" xlink:label="lab_suz_NegativeTaxBaseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Negative tax basis of social contribution carried forward</link:label>
    <link:label id="lab_suz_NegativeTaxBaseMember_label_en-US" xlink:label="lab_suz_NegativeTaxBaseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Negative tax basis of social contribution</link:label>
    <link:label id="lab_suz_NegativeTaxBaseMember_documentation_en-US" xlink:label="lab_suz_NegativeTaxBaseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for negative tax base.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NegativeTaxBaseMember" xlink:href="suz-20260630.xsd#suz_NegativeTaxBaseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NegativeTaxBaseMember" xlink:to="lab_suz_NegativeTaxBaseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PaperboardMember_019ff75a-d5ab-7c98-93b0-6fec1a6f0246_terseLabel_en-US" xlink:label="lab_suz_PaperboardMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Paperboard</link:label>
    <link:label id="lab_suz_PaperboardMember_label_en-US" xlink:label="lab_suz_PaperboardMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Paperboard</link:label>
    <link:label id="lab_suz_PaperboardMember_documentation_en-US" xlink:label="lab_suz_PaperboardMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for paperboard.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaperboardMember" xlink:href="suz-20260630.xsd#suz_PaperboardMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaperboardMember" xlink:to="lab_suz_PaperboardMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ConsolidatedRevenuesOfMultinationals_019ff75a-d5ab-7a0b-ba7e-65125819013f_terseLabel_en-US" xlink:label="lab_suz_ConsolidatedRevenuesOfMultinationals" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated revenues of multinationals</link:label>
    <link:label id="lab_suz_ConsolidatedRevenuesOfMultinationals_label_en-US" xlink:label="lab_suz_ConsolidatedRevenuesOfMultinationals" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated revenues of multinationals</link:label>
    <link:label id="lab_suz_ConsolidatedRevenuesOfMultinationals_documentation_en-US" xlink:label="lab_suz_ConsolidatedRevenuesOfMultinationals" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated revenues of multinationals</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ConsolidatedRevenuesOfMultinationals" xlink:href="suz-20260630.xsd#suz_ConsolidatedRevenuesOfMultinationals"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ConsolidatedRevenuesOfMultinationals" xlink:to="lab_suz_ConsolidatedRevenuesOfMultinationals" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevaluationIncreaseDecreaseIntangibleAssetsOtherThanGoodwill_019ff75a-d484-73dc-bfd5-f4d93b86c288_terseLabel_en-US" xlink:label="lab_ifrs-full_RevaluationIncreaseDecreaseIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value adjustment MMC Brasil</link:label>
    <link:label id="lab_ifrs-full_RevaluationIncreaseDecreaseIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_RevaluationIncreaseDecreaseIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revaluation increase (decrease), intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevaluationIncreaseDecreaseIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevaluationIncreaseDecreaseIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevaluationIncreaseDecreaseIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_RevaluationIncreaseDecreaseIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExternalCreditGradesAxis_019ff75a-d484-7851-9494-4a381cdff70e_terseLabel_en-US" xlink:label="lab_ifrs-full_ExternalCreditGradesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">External credit grades [axis]</link:label>
    <link:label id="lab_ifrs-full_ExternalCreditGradesAxis_label_en-US" xlink:label="lab_ifrs-full_ExternalCreditGradesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">External credit grades [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExternalCreditGradesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExternalCreditGradesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExternalCreditGradesAxis" xlink:to="lab_ifrs-full_ExternalCreditGradesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_019ff75a-d484-70a9-a71f-4e409e6a46c3_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="lab_ifrs-full_CurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsAbstract_019ff75a-d50c-7e32-bc16-7e78020e3d78_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PresentationOfLeasesForLesseeAbstract_019ff75a-d484-7217-8f36-d4d77eca604b_terseLabel_en-US" xlink:label="lab_ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Presentation of leases for lessee [abstract]</link:label>
    <link:label id="lab_ifrs-full_PresentationOfLeasesForLesseeAbstract_label_en-US" xlink:label="lab_ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Presentation of leases for lessee [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PresentationOfLeasesForLesseeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:to="lab_ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityTable_019ff75a-d50c-74b6-81c8-ee96fd22c163_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesWithinEquityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:to="lab_ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_019ff75a-d5ab-7c2e-ad5d-51883dda560d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_019ff75a-d50c-7660-a4f5-414f93fdd135_negatedLabel_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">General and administrative expense</link:label>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_019ff75a-d50c-78cc-8e79-badab296779e_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">General and administrative</link:label>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General and administrative expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_019ff75a-d5ab-7a1e-8c17-429cc4023c0d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of income tax [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsTable_019ff75a-d50c-7760-9e1a-3820425df182_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in biological assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in biological assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_019ff75a-d50c-7692-bd37-26a74b338967_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue recognition</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for recognition of revenue [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EquityMethodInvestmentsCelluforceMember_019ff75a-d484-7261-9617-f3e1be001d1b_terseLabel_en-US" xlink:label="lab_suz_EquityMethodInvestmentsCelluforceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments (2)</link:label>
    <link:label id="lab_suz_EquityMethodInvestmentsCelluforceMember_label_en-US" xlink:label="lab_suz_EquityMethodInvestmentsCelluforceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments - Celluforce</link:label>
    <link:label id="lab_suz_EquityMethodInvestmentsCelluforceMember_documentation_en-US" xlink:label="lab_suz_EquityMethodInvestmentsCelluforceMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for equity method investments in Celluforce.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EquityMethodInvestmentsCelluforceMember" xlink:href="suz-20260630.xsd#suz_EquityMethodInvestmentsCelluforceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EquityMethodInvestmentsCelluforceMember" xlink:to="lab_suz_EquityMethodInvestmentsCelluforceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrandNamesAndPatentsMember_019ff75a-d50c-772d-8eba-ed6dee04527c_terseLabel_en-US" xlink:label="lab_suz_BrandNamesAndPatentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trademarks and patents</link:label>
    <link:label id="lab_suz_BrandNamesAndPatentsMember_label_en-US" xlink:label="lab_suz_BrandNamesAndPatentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trademarks and patents</link:label>
    <link:label id="lab_suz_BrandNamesAndPatentsMember_documentation_en-US" xlink:label="lab_suz_BrandNamesAndPatentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for trademark and patents.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrandNamesAndPatentsMember" xlink:href="suz-20260630.xsd#suz_BrandNamesAndPatentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrandNamesAndPatentsMember" xlink:to="lab_suz_BrandNamesAndPatentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BorrowingsMaturityTerm_019ff75a-d5ab-7f0e-9253-e13e790721c2_terseLabel_en-US" xlink:label="lab_suz_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings maturity, term</link:label>
    <link:label id="lab_suz_BorrowingsMaturityTerm_label_en-US" xlink:label="lab_suz_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Maturity, Term</link:label>
    <link:label id="lab_suz_BorrowingsMaturityTerm_documentation_en-US" xlink:label="lab_suz_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings Maturity, Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BorrowingsMaturityTerm" xlink:href="suz-20260630.xsd#suz_BorrowingsMaturityTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BorrowingsMaturityTerm" xlink:to="lab_suz_BorrowingsMaturityTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfInvestmentsAccountedForUsingEquityMethodAndFairValueICOTableTextBlock_019ff75a-d50c-76ca-9cf9-fec90b69c488_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfInvestmentsAccountedForUsingEquityMethodAndFairValueICOTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Investments Accounted for Using Equity Method and Fair Value - ICO</link:label>
    <link:label id="lab_suz_DisclosureOfInvestmentsAccountedForUsingEquityMethodAndFairValueICOTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfInvestmentsAccountedForUsingEquityMethodAndFairValueICOTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Investments Accounted for Using Equity Method and Fair Value - ICO [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfInvestmentsAccountedForUsingEquityMethodAndFairValueICOTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfInvestmentsAccountedForUsingEquityMethodAndFairValueICOTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of changes in investments accounted for using the equity method and fair value through other compreensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfInvestmentsAccountedForUsingEquityMethodAndFairValueICOTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfInvestmentsAccountedForUsingEquityMethodAndFairValueICOTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfInvestmentsAccountedForUsingEquityMethodAndFairValueICOTableTextBlock" xlink:to="lab_suz_DisclosureOfInvestmentsAccountedForUsingEquityMethodAndFairValueICOTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BNPBankMember_019ff75a-d5ab-7847-af0b-09e8f8a45449_terseLabel_en-US" xlink:label="lab_suz_BNPBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNP Bank [Member]</link:label>
    <link:label id="lab_suz_BNPBankMember_label_en-US" xlink:label="lab_suz_BNPBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNP Bank [Member]</link:label>
    <link:label id="lab_suz_BNPBankMember_documentation_en-US" xlink:label="lab_suz_BNPBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BNP Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BNPBankMember" xlink:href="suz-20260630.xsd#suz_BNPBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BNPBankMember" xlink:to="lab_suz_BNPBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_019ff75a-d484-79fa-9925-4f6af56431e8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of number and weighted average exercise prices of share options [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of number and weighted average exercise prices of share options [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeAndSocialContributionTaxesAbstract_019ff75a-d5ab-79e2-92db-cc5b47a1dac0_terseLabel_en-US" xlink:label="lab_suz_IncomeAndSocialContributionTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income and social contribution taxes [Abstract]</link:label>
    <link:label id="lab_suz_IncomeAndSocialContributionTaxesAbstract_label_en-US" xlink:label="lab_suz_IncomeAndSocialContributionTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income and social contribution taxes [Abstract]</link:label>
    <link:label id="lab_suz_IncomeAndSocialContributionTaxesAbstract_documentation_en-US" xlink:label="lab_suz_IncomeAndSocialContributionTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income and social contribution taxes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeAndSocialContributionTaxesAbstract" xlink:href="suz-20260630.xsd#suz_IncomeAndSocialContributionTaxesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeAndSocialContributionTaxesAbstract" xlink:to="lab_suz_IncomeAndSocialContributionTaxesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TypeOfShareholdersAxis_019ff75a-d50c-763f-8cb6-64dee0b33579_terseLabel_en-US" xlink:label="lab_suz_TypeOfShareholdersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type Of Shareholders [Axis]</link:label>
    <link:label id="lab_suz_TypeOfShareholdersAxis_label_en-US" xlink:label="lab_suz_TypeOfShareholdersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type Of Shareholders [Axis]</link:label>
    <link:label id="lab_suz_TypeOfShareholdersAxis_documentation_en-US" xlink:label="lab_suz_TypeOfShareholdersAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type Of Shareholders</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TypeOfShareholdersAxis" xlink:href="suz-20260630.xsd#suz_TypeOfShareholdersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TypeOfShareholdersAxis" xlink:to="lab_suz_TypeOfShareholdersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdvancesToSuppliersLineItems_019ff75a-d484-7ca0-bcc8-ddef76807b77_terseLabel_en-US" xlink:label="lab_suz_AdvancesToSuppliersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to Suppliers [Line Items]</link:label>
    <link:label id="lab_suz_AdvancesToSuppliersLineItems_label_en-US" xlink:label="lab_suz_AdvancesToSuppliersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances to Suppliers [Line Items]</link:label>
    <link:label id="lab_suz_AdvancesToSuppliersLineItems_documentation_en-US" xlink:label="lab_suz_AdvancesToSuppliersLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances to Suppliers [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdvancesToSuppliersLineItems" xlink:href="suz-20260630.xsd#suz_AdvancesToSuppliersLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdvancesToSuppliersLineItems" xlink:to="lab_suz_AdvancesToSuppliersLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalInForeignCurrencyMember_019ff75a-d484-7527-b719-7c381d9d1e7f_terseLabel_en-US" xlink:label="lab_suz_TotalInForeignCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total in foreign currency [Member]</link:label>
    <link:label id="lab_suz_TotalInForeignCurrencyMember_label_en-US" xlink:label="lab_suz_TotalInForeignCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total in foreign currency [Member]</link:label>
    <link:label id="lab_suz_TotalInForeignCurrencyMember_documentation_en-US" xlink:label="lab_suz_TotalInForeignCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total in foreign currency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalInForeignCurrencyMember" xlink:href="suz-20260630.xsd#suz_TotalInForeignCurrencyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalInForeignCurrencyMember" xlink:to="lab_suz_TotalInForeignCurrencyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComputerSoftwareMember_019ff75a-d5ab-731c-9275-a88183bf3fc6_terseLabel_en-US" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Software</link:label>
    <link:label id="lab_ifrs-full_ComputerSoftwareMember_label_en-US" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Computer software [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComputerSoftwareMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComputerSoftwareMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComputerSoftwareMember" xlink:to="lab_ifrs-full_ComputerSoftwareMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AldenFundoDeInvestimentoEmAcoesMember_019ff75a-d484-7cd0-a646-a5176589d634_terseLabel_en-US" xlink:label="lab_suz_AldenFundoDeInvestimentoEmAcoesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Alden Fundo de Investimento em A&#231;&#245;es</link:label>
    <link:label id="lab_suz_AldenFundoDeInvestimentoEmAcoesMember_label_en-US" xlink:label="lab_suz_AldenFundoDeInvestimentoEmAcoesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Alden Fundo de Investimento em Acoes</link:label>
    <link:label id="lab_suz_AldenFundoDeInvestimentoEmAcoesMember_documentation_en-US" xlink:label="lab_suz_AldenFundoDeInvestimentoEmAcoesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Alden Fundo de Investimento em Acoes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AldenFundoDeInvestimentoEmAcoesMember" xlink:href="suz-20260630.xsd#suz_AldenFundoDeInvestimentoEmAcoesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AldenFundoDeInvestimentoEmAcoesMember" xlink:to="lab_suz_AldenFundoDeInvestimentoEmAcoesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IssuedCapitalGrossMember_019ff75a-d484-7b1c-ba15-8279ca1e11b3_terseLabel_en-US" xlink:label="lab_suz_IssuedCapitalGrossMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Capital</link:label>
    <link:label id="lab_suz_IssuedCapitalGrossMember_label_en-US" xlink:label="lab_suz_IssuedCapitalGrossMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued Capital, Gross [Member]</link:label>
    <link:label id="lab_suz_IssuedCapitalGrossMember_documentation_en-US" xlink:label="lab_suz_IssuedCapitalGrossMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a component of equity representing issued capital before netting of issuance costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IssuedCapitalGrossMember" xlink:href="suz-20260630.xsd#suz_IssuedCapitalGrossMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IssuedCapitalGrossMember" xlink:to="lab_suz_IssuedCapitalGrossMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PremiumExpensesOnEarlySettlementsPaid_019ff75a-d5ab-7687-91fc-85d4bf9de9a3_terseLabel_en-US" xlink:label="lab_suz_PremiumExpensesOnEarlySettlementsPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Premium expenses on early settlements paid</link:label>
    <link:label id="lab_suz_PremiumExpensesOnEarlySettlementsPaid_label_en-US" xlink:label="lab_suz_PremiumExpensesOnEarlySettlementsPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Premium expenses on early settlements paid</link:label>
    <link:label id="lab_suz_PremiumExpensesOnEarlySettlementsPaid_documentation_en-US" xlink:label="lab_suz_PremiumExpensesOnEarlySettlementsPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Premium expenses on early settlements paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PremiumExpensesOnEarlySettlementsPaid" xlink:href="suz-20260630.xsd#suz_PremiumExpensesOnEarlySettlementsPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PremiumExpensesOnEarlySettlementsPaid" xlink:to="lab_suz_PremiumExpensesOnEarlySettlementsPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ActuarialLossExperience_019ff75a-d50c-7003-af0b-e2aa4daea0be_terseLabel_en-US" xlink:label="lab_suz_ActuarialLossExperience" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial gain &#8211; experience (1)</link:label>
    <link:label id="lab_suz_ActuarialLossExperience_label_en-US" xlink:label="lab_suz_ActuarialLossExperience" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial loss &#8211; experience</link:label>
    <link:label id="lab_suz_ActuarialLossExperience_documentation_en-US" xlink:label="lab_suz_ActuarialLossExperience" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Actuarial loss &#8211; experience</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ActuarialLossExperience" xlink:href="suz-20260630.xsd#suz_ActuarialLossExperience"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ActuarialLossExperience" xlink:to="lab_suz_ActuarialLossExperience" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NASDAQNordicGrowthMarketAverageSharePrice_019ff75a-d50c-71bb-af92-02616ae58425_terseLabel_en-US" xlink:label="lab_suz_NASDAQNordicGrowthMarketAverageSharePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NASDAQ, Nordic Growth Market, Average Share Price</link:label>
    <link:label id="lab_suz_NASDAQNordicGrowthMarketAverageSharePrice_label_en-US" xlink:label="lab_suz_NASDAQNordicGrowthMarketAverageSharePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NASDAQ, Nordic Growth Market, Average Share Price</link:label>
    <link:label id="lab_suz_NASDAQNordicGrowthMarketAverageSharePrice_documentation_en-US" xlink:label="lab_suz_NASDAQNordicGrowthMarketAverageSharePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">NASDAQ, Nordic Growth Market, Average Share Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NASDAQNordicGrowthMarketAverageSharePrice" xlink:href="suz-20260630.xsd#suz_NASDAQNordicGrowthMarketAverageSharePrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NASDAQNordicGrowthMarketAverageSharePrice" xlink:to="lab_suz_NASDAQNordicGrowthMarketAverageSharePrice" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfSharebasedPaymentsMember_019ff75a-d3c2-75a4-b6c9-e261bfc792f6_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital reserves</link:label>
    <link:label id="lab_ifrs-full_ReserveOfSharebasedPaymentsMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of share-based payments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfSharebasedPaymentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:to="lab_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TradeAccountsPayableMember_019ff75a-d50c-7422-ad4e-9046d96f61e2_terseLabel_en-US" xlink:label="lab_suz_TradeAccountsPayableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade accounts payable</link:label>
    <link:label id="lab_suz_TradeAccountsPayableMember_label_en-US" xlink:label="lab_suz_TradeAccountsPayableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade accounts payable [Member]</link:label>
    <link:label id="lab_suz_TradeAccountsPayableMember_documentation_en-US" xlink:label="lab_suz_TradeAccountsPayableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for trade payables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TradeAccountsPayableMember" xlink:href="suz-20260630.xsd#suz_TradeAccountsPayableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TradeAccountsPayableMember" xlink:to="lab_suz_TradeAccountsPayableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalOtherInvestmentsEvaluatedAtFairValueMember_019ff75a-d484-7c92-ae21-5da7a8294a20_terseLabel_en-US" xlink:label="lab_suz_TotalOtherInvestmentsEvaluatedAtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total other investments evaluated at fair value</link:label>
    <link:label id="lab_suz_TotalOtherInvestmentsEvaluatedAtFairValueMember_label_en-US" xlink:label="lab_suz_TotalOtherInvestmentsEvaluatedAtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total other investments evaluated at fair value [Member]</link:label>
    <link:label id="lab_suz_TotalOtherInvestmentsEvaluatedAtFairValueMember_documentation_en-US" xlink:label="lab_suz_TotalOtherInvestmentsEvaluatedAtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total other investments evaluated at fair value through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalOtherInvestmentsEvaluatedAtFairValueMember" xlink:href="suz-20260630.xsd#suz_TotalOtherInvestmentsEvaluatedAtFairValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalOtherInvestmentsEvaluatedAtFairValueMember" xlink:to="lab_suz_TotalOtherInvestmentsEvaluatedAtFairValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BiologicalAssetsDomain_019ff75a-d484-79f9-b954-8cd94b38ad95_terseLabel_en-US" xlink:label="lab_ifrs-full_BiologicalAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Biological assets [domain]</link:label>
    <link:label id="lab_ifrs-full_BiologicalAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_BiologicalAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Biological assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BiologicalAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BiologicalAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BiologicalAssetsDomain" xlink:to="lab_ifrs-full_BiologicalAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDeferredTaxExpense_019ff75a-d5ab-78e4-a35a-8e89a384b7c3_negatedLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Adjustments for deferred tax expense</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDeferredTaxExpense_019ff75a-d5ab-7a75-a35b-660d531afec0_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax and social contribution</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDeferredTaxExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for deferred tax expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDeferredTaxExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:to="lab_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CommodityPriceRiskMember_019ff75a-d484-7f42-97cc-b5fc378d7860_terseLabel_en-US" xlink:label="lab_ifrs-full_CommodityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity price risk [member]</link:label>
    <link:label id="lab_ifrs-full_CommodityPriceRiskMember_label_en-US" xlink:label="lab_ifrs-full_CommodityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commodity price risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CommodityPriceRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CommodityPriceRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CommodityPriceRiskMember" xlink:to="lab_ifrs-full_CommodityPriceRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InvestmentInterestRate_019ff75a-d50c-793c-9226-1d21c75c02e7_terseLabel_en-US" xlink:label="lab_suz_InvestmentInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average yield p.a. %</link:label>
    <link:label id="lab_suz_InvestmentInterestRate_label_en-US" xlink:label="lab_suz_InvestmentInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Interest Rate</link:label>
    <link:label id="lab_suz_InvestmentInterestRate_documentation_en-US" xlink:label="lab_suz_InvestmentInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rate of interest on investment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InvestmentInterestRate" xlink:href="suz-20260630.xsd#suz_InvestmentInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InvestmentInterestRate" xlink:to="lab_suz_InvestmentInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_WoodMember_019ff75a-d484-7aec-9f9e-3cc802317d98_terseLabel_en-US" xlink:label="lab_suz_WoodMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wood</link:label>
    <link:label id="lab_suz_WoodMember_label_en-US" xlink:label="lab_suz_WoodMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wood products</link:label>
    <link:label id="lab_suz_WoodMember_documentation_en-US" xlink:label="lab_suz_WoodMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for wood products.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_WoodMember" xlink:href="suz-20260630.xsd#suz_WoodMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_WoodMember" xlink:to="lab_suz_WoodMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossLoansAndFinancing_019ff75a-d484-7721-8cbe-a32fadda5231_terseLabel_en-US" xlink:label="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossLoansAndFinancing" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange rate variations on loans, financing and debentures</link:label>
    <link:label id="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossLoansAndFinancing_label_en-US" xlink:label="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossLoansAndFinancing" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) On Exchange Differences On Translation, Recognised In Profit Or Loss, Loans and Financing</link:label>
    <link:label id="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossLoansAndFinancing_documentation_en-US" xlink:label="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossLoansAndFinancing" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of exchange differences related to loans and financing, recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossLoansAndFinancing" xlink:href="suz-20260630.xsd#suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossLoansAndFinancing"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossLoansAndFinancing" xlink:to="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossLoansAndFinancing" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NDFCNYXUSMember_019ff75a-d5ab-7b0b-bf68-7f7cac5f54fc_terseLabel_en-US" xlink:label="lab_suz_NDFCNYXUSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NDF (CNY x US$)</link:label>
    <link:label id="lab_suz_NDFCNYXUSMember_label_en-US" xlink:label="lab_suz_NDFCNYXUSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NDF (CNY x US$) [Member]</link:label>
    <link:label id="lab_suz_NDFCNYXUSMember_documentation_en-US" xlink:label="lab_suz_NDFCNYXUSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">NDF (CNY x US$)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NDFCNYXUSMember" xlink:href="suz-20260630.xsd#suz_NDFCNYXUSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NDFCNYXUSMember" xlink:to="lab_suz_NDFCNYXUSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Bonds2027Member_019ff75a-d50c-705f-9eae-3ca488f3708c_terseLabel_en-US" xlink:label="lab_suz_Bonds2027Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds 2027</link:label>
    <link:label id="lab_suz_Bonds2027Member_label_en-US" xlink:label="lab_suz_Bonds2027Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bonds 2027 [Member]</link:label>
    <link:label id="lab_suz_Bonds2027Member_documentation_en-US" xlink:label="lab_suz_Bonds2027Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bonds 2027</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Bonds2027Member" xlink:href="suz-20260630.xsd#suz_Bonds2027Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Bonds2027Member" xlink:to="lab_suz_Bonds2027Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MinimumAnnualDividendAsAPercentageOfConsolidatedOperatingCashGeneration_019ff75a-d5ab-744c-b0cd-8a3ab4fb6807_terseLabel_en-US" xlink:label="lab_suz_MinimumAnnualDividendAsAPercentageOfConsolidatedOperatingCashGeneration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum Annual Dividend As A Percentage Of Consolidated Operating Cash Generation</link:label>
    <link:label id="lab_suz_MinimumAnnualDividendAsAPercentageOfConsolidatedOperatingCashGeneration_label_en-US" xlink:label="lab_suz_MinimumAnnualDividendAsAPercentageOfConsolidatedOperatingCashGeneration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Annual Dividend As A Percentage Of Consolidated Operating Cash Generation</link:label>
    <link:label id="lab_suz_MinimumAnnualDividendAsAPercentageOfConsolidatedOperatingCashGeneration_documentation_en-US" xlink:label="lab_suz_MinimumAnnualDividendAsAPercentageOfConsolidatedOperatingCashGeneration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum Annual Dividend As A Percentage Of Consolidated Operating Cash Generation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MinimumAnnualDividendAsAPercentageOfConsolidatedOperatingCashGeneration" xlink:href="suz-20260630.xsd#suz_MinimumAnnualDividendAsAPercentageOfConsolidatedOperatingCashGeneration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MinimumAnnualDividendAsAPercentageOfConsolidatedOperatingCashGeneration" xlink:to="lab_suz_MinimumAnnualDividendAsAPercentageOfConsolidatedOperatingCashGeneration" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AmortizationOfDebtIssuanceCost_019ff75a-d484-7200-ad4c-5e0c88382ee8_negatedTerseLabel_en-US" xlink:label="lab_suz_AmortizationOfDebtIssuanceCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amortization of transaction costs</link:label>
    <link:label id="lab_suz_AmortizationOfDebtIssuanceCost_label_en-US" xlink:label="lab_suz_AmortizationOfDebtIssuanceCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization Of Debt Issuance Cost</link:label>
    <link:label id="lab_suz_AmortizationOfDebtIssuanceCost_documentation_en-US" xlink:label="lab_suz_AmortizationOfDebtIssuanceCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of amortization expense attributable to debt issuance costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AmortizationOfDebtIssuanceCost" xlink:href="suz-20260630.xsd#suz_AmortizationOfDebtIssuanceCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AmortizationOfDebtIssuanceCost" xlink:to="lab_suz_AmortizationOfDebtIssuanceCost" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BNDESMember_019ff75a-d50c-7043-a924-4b109f36ec29_terseLabel_en-US" xlink:label="lab_suz_BNDESMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES</link:label>
    <link:label id="lab_suz_BNDESMember_label_en-US" xlink:label="lab_suz_BNDESMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNDES [Member]</link:label>
    <link:label id="lab_suz_BNDESMember_documentation_en-US" xlink:label="lab_suz_BNDESMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Brazilian National Bank for Economic and Social Development.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BNDESMember" xlink:href="suz-20260630.xsd#suz_BNDESMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BNDESMember" xlink:to="lab_suz_BNDESMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TransactionsWithShareholdersUnclaimedDividendsForfeited_019ff75a-d50c-7acb-8c36-ec6df3dd9d3e_terseLabel_en-US" xlink:label="lab_suz_TransactionsWithShareholdersUnclaimedDividendsForfeited" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with Shareholders, Unclaimed Dividends Forfeited</link:label>
    <link:label id="lab_suz_TransactionsWithShareholdersUnclaimedDividendsForfeited_label_en-US" xlink:label="lab_suz_TransactionsWithShareholdersUnclaimedDividendsForfeited" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions with Shareholders, Unclaimed Dividends Forfeited</link:label>
    <link:label id="lab_suz_TransactionsWithShareholdersUnclaimedDividendsForfeited_documentation_en-US" xlink:label="lab_suz_TransactionsWithShareholdersUnclaimedDividendsForfeited" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of unclaimed dividends forfeited and classified as transactions with shareholders.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TransactionsWithShareholdersUnclaimedDividendsForfeited" xlink:href="suz-20260630.xsd#suz_TransactionsWithShareholdersUnclaimedDividendsForfeited"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TransactionsWithShareholdersUnclaimedDividendsForfeited" xlink:to="lab_suz_TransactionsWithShareholdersUnclaimedDividendsForfeited" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LeaseAssetTemporaryDifference_019ff75a-d484-7e40-a764-28f2e4a0af6f_terseLabel_en-US" xlink:label="lab_suz_LeaseAssetTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease, asset temporary difference</link:label>
    <link:label id="lab_suz_LeaseAssetTemporaryDifference_label_en-US" xlink:label="lab_suz_LeaseAssetTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease, Asset Temporary Difference</link:label>
    <link:label id="lab_suz_LeaseAssetTemporaryDifference_documentation_en-US" xlink:label="lab_suz_LeaseAssetTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease, Asset Temporary Difference</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LeaseAssetTemporaryDifference" xlink:href="suz-20260630.xsd#suz_LeaseAssetTemporaryDifference"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LeaseAssetTemporaryDifference" xlink:to="lab_suz_LeaseAssetTemporaryDifference" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AverageExchangeRate_019ff75a-d484-7347-8554-17dd115dc51f_terseLabel_en-US" xlink:label="lab_suz_AverageExchangeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average Exchange Rate</link:label>
    <link:label id="lab_suz_AverageExchangeRate_label_en-US" xlink:label="lab_suz_AverageExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average Exchange Rate</link:label>
    <link:label id="lab_suz_AverageExchangeRate_documentation_en-US" xlink:label="lab_suz_AverageExchangeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average Exchange Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AverageExchangeRate" xlink:href="suz-20260630.xsd#suz_AverageExchangeRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AverageExchangeRate" xlink:to="lab_suz_AverageExchangeRate" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GainsLossesOnExchangeRateVariationRelatingToLeases_019ff75a-d5ab-769c-9ae8-3c180ffdbf55_terseLabel_en-US" xlink:label="lab_suz_GainsLossesOnExchangeRateVariationRelatingToLeases" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_suz_GainsLossesOnExchangeRateVariationRelatingToLeases_label_en-US" xlink:label="lab_suz_GainsLossesOnExchangeRateVariationRelatingToLeases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) On Exchange Rate Variation Relating To Leases</link:label>
    <link:label id="lab_suz_GainsLossesOnExchangeRateVariationRelatingToLeases_documentation_en-US" xlink:label="lab_suz_GainsLossesOnExchangeRateVariationRelatingToLeases" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of gains (losses) on exchange rate variation net, relating to leases.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GainsLossesOnExchangeRateVariationRelatingToLeases" xlink:href="suz-20260630.xsd#suz_GainsLossesOnExchangeRateVariationRelatingToLeases"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GainsLossesOnExchangeRateVariationRelatingToLeases" xlink:to="lab_suz_GainsLossesOnExchangeRateVariationRelatingToLeases" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_019ff75a-d3c2-7c49-9bf4-cec8297f0b35_verboseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Derivative gains, net</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_019ff75a-d3c2-74c4-9d6f-d4e64ae2ba5d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments, net</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_019ff75a-d3c2-755f-a84a-eaf321be517a_totalLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments, net</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on change in fair value of derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_019ff75a-d5ab-71d7-98e2-f79a625d501e_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) through share-based payment transactions, equity</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through share-based payment transactions, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxLossesCarryforwardsDeferredTaxLiabilityAsset_019ff75a-d5ab-7629-8673-a3a7eec377cd_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxLossesCarryforwardsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Negative tax basis of social contribution carried forward</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxLossesCarryforwardsDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxLossesCarryforwardsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Tax Losses Carryforwards, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxLossesCarryforwardsDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxLossesCarryforwardsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from tax loss carryforwards.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughTaxLossesCarryforwardsDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughTaxLossesCarryforwardsDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughTaxLossesCarryforwardsDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughTaxLossesCarryforwardsDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SpareParts_019ff75a-d5ab-7b18-91a1-e2e43fde76bd_terseLabel_en-US" xlink:label="lab_ifrs-full_SpareParts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Spare parts and other</link:label>
    <link:label id="lab_ifrs-full_SpareParts_label_en-US" xlink:label="lab_ifrs-full_SpareParts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current spare parts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SpareParts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SpareParts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SpareParts" xlink:to="lab_ifrs-full_SpareParts" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SOFRTerm1.50Member_019ff75a-d484-7ceb-a36e-00c4b5c76622_terseLabel_en-US" xlink:label="lab_suz_SOFRTerm1.50Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SOFR Term + 1.50%</link:label>
    <link:label id="lab_suz_SOFRTerm1.50Member_label_en-US" xlink:label="lab_suz_SOFRTerm1.50Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SOFR Term + 1.50% [Member]</link:label>
    <link:label id="lab_suz_SOFRTerm1.50Member_documentation_en-US" xlink:label="lab_suz_SOFRTerm1.50Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SOFR Term + 1.50%</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SOFRTerm1.50Member" xlink:href="suz-20260630.xsd#suz_SOFRTerm1.50Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SOFRTerm1.50Member" xlink:to="lab_suz_SOFRTerm1.50Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PrivateSecuritiesCdbsMember_019ff75a-d50c-7c52-af77-3056493fa835_terseLabel_en-US" xlink:label="lab_suz_PrivateSecuritiesCdbsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private Securities (CDBs)</link:label>
    <link:label id="lab_suz_PrivateSecuritiesCdbsMember_label_en-US" xlink:label="lab_suz_PrivateSecuritiesCdbsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Securities (CDBs)</link:label>
    <link:label id="lab_suz_PrivateSecuritiesCdbsMember_documentation_en-US" xlink:label="lab_suz_PrivateSecuritiesCdbsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for private securities (bank deposit certificates).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PrivateSecuritiesCdbsMember" xlink:href="suz-20260630.xsd#suz_PrivateSecuritiesCdbsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PrivateSecuritiesCdbsMember" xlink:to="lab_suz_PrivateSecuritiesCdbsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PercentageOfOwnershipUnderCallOption_019ff75a-d5ab-7b5f-b512-ce0cf2a0e01a_terseLabel_en-US" xlink:label="lab_suz_PercentageOfOwnershipUnderCallOption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of ownership under call option</link:label>
    <link:label id="lab_suz_PercentageOfOwnershipUnderCallOption_label_en-US" xlink:label="lab_suz_PercentageOfOwnershipUnderCallOption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of ownership under call option</link:label>
    <link:label id="lab_suz_PercentageOfOwnershipUnderCallOption_documentation_en-US" xlink:label="lab_suz_PercentageOfOwnershipUnderCallOption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of ownership under call option</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PercentageOfOwnershipUnderCallOption" xlink:href="suz-20260630.xsd#suz_PercentageOfOwnershipUnderCallOption"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PercentageOfOwnershipUnderCallOption" xlink:to="lab_suz_PercentageOfOwnershipUnderCallOption" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssets_019ff75a-d50c-755f-8864-3621215a2197_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total non-current assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssets" xlink:to="lab_ifrs-full_NoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NewAccountingPronouncementsPolicyPolicyTextBlock_019ff75a-d5ab-746d-aede-7c403ddd5c19_verboseLabel_en-US" xlink:label="lab_suz_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">New accounting policies and changes in accounting policies adopted</link:label>
    <link:label id="lab_suz_NewAccountingPronouncementsPolicyPolicyTextBlock_label_en-US" xlink:label="lab_suz_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
    <link:label id="lab_suz_NewAccountingPronouncementsPolicyPolicyTextBlock_documentation_en-US" xlink:label="lab_suz_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncements, Policies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:href="suz-20260630.xsd#suz_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="lab_suz_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate_019ff75a-d50c-7c1a-af99-3a8d0c017e58_terseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in associate</link:label>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate_019ff75a-d50c-75c0-8caa-3854020cef87_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Participation equity (%)</link:label>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate_label_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in associate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInAssociate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonCurrentAdvancesToSuppliers_019ff75a-d484-7ee5-b2ea-8ce3391ddac8_terseLabel_en-US" xlink:label="lab_suz_NonCurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to suppliers</link:label>
    <link:label id="lab_suz_NonCurrentAdvancesToSuppliers_019ff75a-d484-760f-8eb5-ffebd324cc97_verboseLabel_en-US" xlink:label="lab_suz_NonCurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_suz_NonCurrentAdvancesToSuppliers_label_en-US" xlink:label="lab_suz_NonCurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Current Advances To Suppliers</link:label>
    <link:label id="lab_suz_NonCurrentAdvancesToSuppliers_documentation_en-US" xlink:label="lab_suz_NonCurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of non-current advances made to suppliers before goods or services are received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonCurrentAdvancesToSuppliers" xlink:href="suz-20260630.xsd#suz_NonCurrentAdvancesToSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonCurrentAdvancesToSuppliers" xlink:to="lab_suz_NonCurrentAdvancesToSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShareIssueRelatedCost_019ff75a-d50c-7d0e-94ad-a16e3ba345d4_terseLabel_en-US" xlink:label="lab_ifrs-full_ShareIssueRelatedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share issue related cost</link:label>
    <link:label id="lab_ifrs-full_ShareIssueRelatedCost_label_en-US" xlink:label="lab_ifrs-full_ShareIssueRelatedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share issue related cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareIssueRelatedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShareIssueRelatedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareIssueRelatedCost" xlink:to="lab_ifrs-full_ShareIssueRelatedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable_019ff75a-d50c-7a25-bba8-c79762e8f0a3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:to="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NfiniteNanotechnologyInc.IndirectMember_019ff75a-d50c-737f-8a8b-0ec30e51f273_terseLabel_en-US" xlink:label="lab_suz_NfiniteNanotechnologyInc.IndirectMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nfinite Nanotechnology Inc. (Indirect)</link:label>
    <link:label id="lab_suz_NfiniteNanotechnologyInc.IndirectMember_label_en-US" xlink:label="lab_suz_NfiniteNanotechnologyInc.IndirectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nfinite Nanotechnology Inc. (Indirect) [Member]</link:label>
    <link:label id="lab_suz_NfiniteNanotechnologyInc.IndirectMember_documentation_en-US" xlink:label="lab_suz_NfiniteNanotechnologyInc.IndirectMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nfinite Nanotechnology Inc. (Indirect)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NfiniteNanotechnologyInc.IndirectMember" xlink:href="suz-20260630.xsd#suz_NfiniteNanotechnologyInc.IndirectMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NfiniteNanotechnologyInc.IndirectMember" xlink:to="lab_suz_NfiniteNanotechnologyInc.IndirectMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LeasedAssetsLandMember_019ff75a-d483-7fc5-b1fc-84024aabab8d_terseLabel_en-US" xlink:label="lab_suz_LeasedAssetsLandMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leased Land</link:label>
    <link:label id="lab_suz_LeasedAssetsLandMember_label_en-US" xlink:label="lab_suz_LeasedAssetsLandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leased Land</link:label>
    <link:label id="lab_suz_LeasedAssetsLandMember_documentation_en-US" xlink:label="lab_suz_LeasedAssetsLandMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for leased assets classified as land.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LeasedAssetsLandMember" xlink:href="suz-20260630.xsd#suz_LeasedAssetsLandMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LeasedAssetsLandMember" xlink:to="lab_suz_LeasedAssetsLandMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_019ff75a-d484-794c-8bc1-6d1b3ac1252c_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_019ff75a-d5ab-7c8d-826f-0d64bb5dfc02_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange gain (loss)</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_019ff75a-d5ab-7c8e-8bdd-72823920e14c_totalLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Monetary and exchange variations, net</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign exchange gain (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_019ff75a-d484-75d6-b011-b3b58a8e8a3e_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment [member]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionsDomain_019ff75a-d3c2-7bee-8a5d-a5be71cd5455_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial assumptions [domain]</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionsDomain_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial assumptions [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionsDomain" xlink:to="lab_ifrs-full_ActuarialAssumptionsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxEffectsOfEquityMethod_019ff75a-d50c-724f-a4d9-02e6fd41fe48_terseLabel_en-US" xlink:label="lab_suz_TaxEffectsOfEquityMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity method</link:label>
    <link:label id="lab_suz_TaxEffectsOfEquityMethod_label_en-US" xlink:label="lab_suz_TaxEffectsOfEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effects of Equity Method</link:label>
    <link:label id="lab_suz_TaxEffectsOfEquityMethod_documentation_en-US" xlink:label="lab_suz_TaxEffectsOfEquityMethod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to share of profits of joint ventures accounted for using equity method.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxEffectsOfEquityMethod" xlink:href="suz-20260630.xsd#suz_TaxEffectsOfEquityMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxEffectsOfEquityMethod" xlink:to="lab_suz_TaxEffectsOfEquityMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanOneMonthMember_019ff75a-d5ab-7565-98c5-97556eb07148_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 30 days</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneMonthMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not later than one month [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneMonthMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotLaterThanOneMonthMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneMonthMember" xlink:to="lab_ifrs-full_NotLaterThanOneMonthMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf1997TaxLossMember_019ff75a-d50c-7c2a-a371-3cbb3f13d225_terseLabel_en-US" xlink:label="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf1997TaxLossMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IRPJ/CSLL partial approval of offset of 1997 tax loss</link:label>
    <link:label id="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf1997TaxLossMember_label_en-US" xlink:label="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf1997TaxLossMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IRPJ/CSLL partial approval of offset of 1997 tax loss [Member]</link:label>
    <link:label id="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf1997TaxLossMember_documentation_en-US" xlink:label="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf1997TaxLossMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IRPJ/CSLL partial approval of offset of 1997 tax loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IRPJCSLLPartialApprovalOfOffsetOf1997TaxLossMember" xlink:href="suz-20260630.xsd#suz_IRPJCSLLPartialApprovalOfOffsetOf1997TaxLossMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IRPJCSLLPartialApprovalOfOffsetOf1997TaxLossMember" xlink:to="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf1997TaxLossMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ECOINVESTAgroindustrialCreditMember_019ff75a-d5ab-7ef0-8fa9-7b60b553ae9e_terseLabel_en-US" xlink:label="lab_suz_ECOINVESTAgroindustrialCreditMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECO INVEST &#8211; Agroindustrial Credit</link:label>
    <link:label id="lab_suz_ECOINVESTAgroindustrialCreditMember_label_en-US" xlink:label="lab_suz_ECOINVESTAgroindustrialCreditMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECO INVEST &#8211; Agroindustrial Credit [Member]</link:label>
    <link:label id="lab_suz_ECOINVESTAgroindustrialCreditMember_documentation_en-US" xlink:label="lab_suz_ECOINVESTAgroindustrialCreditMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECO INVEST &#8211; Agroindustrial Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ECOINVESTAgroindustrialCreditMember" xlink:href="suz-20260630.xsd#suz_ECOINVESTAgroindustrialCreditMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ECOINVESTAgroindustrialCreditMember" xlink:to="lab_suz_ECOINVESTAgroindustrialCreditMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MarketPulpMember_019ff75a-d50c-71b9-a735-2607130c06a3_terseLabel_en-US" xlink:label="lab_suz_MarketPulpMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market pulp (1)</link:label>
    <link:label id="lab_suz_MarketPulpMember_label_en-US" xlink:label="lab_suz_MarketPulpMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market pulp [Member]</link:label>
    <link:label id="lab_suz_MarketPulpMember_documentation_en-US" xlink:label="lab_suz_MarketPulpMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for market pulp.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MarketPulpMember" xlink:href="suz-20260630.xsd#suz_MarketPulpMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MarketPulpMember" xlink:to="lab_suz_MarketPulpMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ApplicableTaxRateIncomeTaxAndSocialContributionTaxesBaseRate_019ff75a-d484-7bec-a324-de0daa7d041e_terseLabel_en-US" xlink:label="lab_suz_ApplicableTaxRateIncomeTaxAndSocialContributionTaxesBaseRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Applicable Tax Rate, Income Tax and Social Contribution Taxes, Base Rate</link:label>
    <link:label id="lab_suz_ApplicableTaxRateIncomeTaxAndSocialContributionTaxesBaseRate_label_en-US" xlink:label="lab_suz_ApplicableTaxRateIncomeTaxAndSocialContributionTaxesBaseRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Applicable Tax Rate, Income Tax and Social Contribution Taxes, Base Rate</link:label>
    <link:label id="lab_suz_ApplicableTaxRateIncomeTaxAndSocialContributionTaxesBaseRate_documentation_en-US" xlink:label="lab_suz_ApplicableTaxRateIncomeTaxAndSocialContributionTaxesBaseRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The applicable base rate for income tax and social contribution taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ApplicableTaxRateIncomeTaxAndSocialContributionTaxesBaseRate" xlink:href="suz-20260630.xsd#suz_ApplicableTaxRateIncomeTaxAndSocialContributionTaxesBaseRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ApplicableTaxRateIncomeTaxAndSocialContributionTaxesBaseRate" xlink:to="lab_suz_ApplicableTaxRateIncomeTaxAndSocialContributionTaxesBaseRate" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PortServicesAgreementsMember_019ff75a-d50c-7c87-8107-9e8a90385515_terseLabel_en-US" xlink:label="lab_suz_PortServicesAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Port service contracts</link:label>
    <link:label id="lab_suz_PortServicesAgreementsMember_label_en-US" xlink:label="lab_suz_PortServicesAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Port service contracts</link:label>
    <link:label id="lab_suz_PortServicesAgreementsMember_documentation_en-US" xlink:label="lab_suz_PortServicesAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Port services agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PortServicesAgreementsMember" xlink:href="suz-20260630.xsd#suz_PortServicesAgreementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PortServicesAgreementsMember" xlink:to="lab_suz_PortServicesAgreementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativesLossesMtMMember_019ff75a-d50c-7de0-80ef-6461bc99f71f_terseLabel_en-US" xlink:label="lab_suz_DerivativesLossesMtMMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives losses (&#8220;MtM&#8221;)(1)</link:label>
    <link:label id="lab_suz_DerivativesLossesMtMMember_label_en-US" xlink:label="lab_suz_DerivativesLossesMtMMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives losses (&#8220;MtM&#8221;) [Member]</link:label>
    <link:label id="lab_suz_DerivativesLossesMtMMember_documentation_en-US" xlink:label="lab_suz_DerivativesLossesMtMMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivatives losses (&#8220;MtM&#8221;)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativesLossesMtMMember" xlink:href="suz-20260630.xsd#suz_DerivativesLossesMtMMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativesLossesMtMMember" xlink:to="lab_suz_DerivativesLossesMtMMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BankJPMorganMember_019ff75a-d50c-71ab-87de-b7dd29d420b8_terseLabel_en-US" xlink:label="lab_suz_BankJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank JP Morgan</link:label>
    <link:label id="lab_suz_BankJPMorganMember_label_en-US" xlink:label="lab_suz_BankJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank JP Morgan [Member]</link:label>
    <link:label id="lab_suz_BankJPMorganMember_documentation_en-US" xlink:label="lab_suz_BankJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank JP Morgan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BankJPMorganMember" xlink:href="suz-20260630.xsd#suz_BankJPMorganMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BankJPMorganMember" xlink:to="lab_suz_BankJPMorganMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019ff75a-d50c-7f9a-8c9d-a344e712faec_terseLabel_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EXCHANGE VARIATION ON CASH AND CASH EQUIVALENTS</link:label>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RestrictedStockYearThree_019ff75a-d50c-74cb-abb7-8649b9ddf9af_terseLabel_en-US" xlink:label="lab_suz_RestrictedStockYearThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock, year three</link:label>
    <link:label id="lab_suz_RestrictedStockYearThree_label_en-US" xlink:label="lab_suz_RestrictedStockYearThree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year Three</link:label>
    <link:label id="lab_suz_RestrictedStockYearThree_documentation_en-US" xlink:label="lab_suz_RestrictedStockYearThree" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RestrictedStockYearThree" xlink:href="suz-20260630.xsd#suz_RestrictedStockYearThree"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RestrictedStockYearThree" xlink:to="lab_suz_RestrictedStockYearThree" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_019ff75a-d3c2-7439-9c08-84a768ea75a9_verboseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Translation of financial statements to functional and presentation currency</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for foreign currency translation [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BorrowingsCommitmentFee_019ff75a-d484-794f-a78c-57a54f6e34a7_terseLabel_en-US" xlink:label="lab_suz_BorrowingsCommitmentFee" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, commitment fee</link:label>
    <link:label id="lab_suz_BorrowingsCommitmentFee_label_en-US" xlink:label="lab_suz_BorrowingsCommitmentFee" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, commitment fee</link:label>
    <link:label id="lab_suz_BorrowingsCommitmentFee_documentation_en-US" xlink:label="lab_suz_BorrowingsCommitmentFee" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, commitment fee</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BorrowingsCommitmentFee" xlink:href="suz-20260630.xsd#suz_BorrowingsCommitmentFee"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BorrowingsCommitmentFee" xlink:to="lab_suz_BorrowingsCommitmentFee" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable_019ff75a-d3c2-7203-8fa5-2275f4847275_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CDIIPCAMember_019ff75a-d484-7303-87a3-3046b602be28_terseLabel_en-US" xlink:label="lab_suz_CDIIPCAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CDI/IPCA</link:label>
    <link:label id="lab_suz_CDIIPCAMember_label_en-US" xlink:label="lab_suz_CDIIPCAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CDI/IPCA [Member]</link:label>
    <link:label id="lab_suz_CDIIPCAMember_documentation_en-US" xlink:label="lab_suz_CDIIPCAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Brazilian Central Bank local interbank deposit certificate rate for investments and consumer price index inflation rates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CDIIPCAMember" xlink:href="suz-20260630.xsd#suz_CDIIPCAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CDIIPCAMember" xlink:to="lab_suz_CDIIPCAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasDomain_019ff75a-d5ab-73e9-b936-4ef3a2c3b0b9_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical areas [domain]</link:label>
    <link:label id="lab_ifrs-full_GeographicalAreasDomain_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical areas [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasDomain" xlink:to="lab_ifrs-full_GeographicalAreasDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests_019ff75a-d5ab-7697-8752-6e40156aff05_terseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proportion of voting rights held by non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion of voting rights held by non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests" xlink:to="lab_ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsLineItems_019ff75a-d484-73cf-abf5-715f93f9a64f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about biological assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about biological assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CivilAndEnvironmentalContingentLiabilityMember_019ff75a-d50c-721d-8284-b70802b22b8e_terseLabel_en-US" xlink:label="lab_suz_CivilAndEnvironmentalContingentLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Civil and environmental</link:label>
    <link:label id="lab_suz_CivilAndEnvironmentalContingentLiabilityMember_label_en-US" xlink:label="lab_suz_CivilAndEnvironmentalContingentLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Civil and environment</link:label>
    <link:label id="lab_suz_CivilAndEnvironmentalContingentLiabilityMember_documentation_en-US" xlink:label="lab_suz_CivilAndEnvironmentalContingentLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a contingent liability for civil and environmental.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CivilAndEnvironmentalContingentLiabilityMember" xlink:href="suz-20260630.xsd#suz_CivilAndEnvironmentalContingentLiabilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CivilAndEnvironmentalContingentLiabilityMember" xlink:to="lab_suz_CivilAndEnvironmentalContingentLiabilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BiologicalAssetsByAgeAxis_019ff75a-d5ab-7412-9fca-7a681086db17_terseLabel_en-US" xlink:label="lab_ifrs-full_BiologicalAssetsByAgeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Biological assets by age [axis]</link:label>
    <link:label id="lab_ifrs-full_BiologicalAssetsByAgeAxis_label_en-US" xlink:label="lab_ifrs-full_BiologicalAssetsByAgeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Biological assets by age [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BiologicalAssetsByAgeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BiologicalAssetsByAgeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BiologicalAssetsByAgeAxis" xlink:to="lab_ifrs-full_BiologicalAssetsByAgeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset_019ff75a-d484-7e67-848c-59bc8c4091d9_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes on the results of subsidiaries abroad</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through loss of control of subsidiary, deferred tax liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermLegalProceedingsProvision_019ff75a-d50c-7874-90a7-1133b497e2c3_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermLegalProceedingsProvision" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for judicial liabilities</link:label>
    <link:label id="lab_ifrs-full_LongtermLegalProceedingsProvision_label_en-US" xlink:label="lab_ifrs-full_LongtermLegalProceedingsProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current legal proceedings provision</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermLegalProceedingsProvision" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermLegalProceedingsProvision"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermLegalProceedingsProvision" xlink:to="lab_ifrs-full_LongtermLegalProceedingsProvision" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_019ff75a-d5ab-77f4-af1e-98b6dfebacf4_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade accounts receivable</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other current receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BorrowingFacilitiesMaximumBorrowingCapacity_019ff75a-d484-79ad-901d-7deea876900c_terseLabel_en-US" xlink:label="lab_suz_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowing facilities, maximum borrowing capacity</link:label>
    <link:label id="lab_suz_BorrowingFacilitiesMaximumBorrowingCapacity_label_en-US" xlink:label="lab_suz_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Maximum Borrowing Capacity</link:label>
    <link:label id="lab_suz_BorrowingFacilitiesMaximumBorrowingCapacity_documentation_en-US" xlink:label="lab_suz_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:href="suz-20260630.xsd#suz_BorrowingFacilitiesMaximumBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:to="lab_suz_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughDerivativeLosses_019ff75a-d484-7fb7-bcf1-94bb4fefc342_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughDerivativeLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative (gains) losses (&#8220;MtM&#8221;)</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughDerivativeLosses_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughDerivativeLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Derivative Losses</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughDerivativeLosses_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughDerivativeLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from derivative losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughDerivativeLosses" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughDerivativeLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughDerivativeLosses" xlink:to="lab_suz_IncreaseDecreaseThroughDerivativeLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxCreditsGainsInTaxLawsuitMember_019ff75a-d5ab-706b-a6f0-16a008bbd0b3_terseLabel_en-US" xlink:label="lab_suz_TaxCreditsGainsInTaxLawsuitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax credits - gains from tax lawsuit (exclusion of ICMS from the PIS and COFINS basis)</link:label>
    <link:label id="lab_suz_TaxCreditsGainsInTaxLawsuitMember_label_en-US" xlink:label="lab_suz_TaxCreditsGainsInTaxLawsuitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax credits - gains from tax lawsuit (exclusion of ICMS from the PIS and COFINS basis)</link:label>
    <link:label id="lab_suz_TaxCreditsGainsInTaxLawsuitMember_documentation_en-US" xlink:label="lab_suz_TaxCreditsGainsInTaxLawsuitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Tax credits gains in tax lawsuit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxCreditsGainsInTaxLawsuitMember" xlink:href="suz-20260630.xsd#suz_TaxCreditsGainsInTaxLawsuitMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxCreditsGainsInTaxLawsuitMember" xlink:to="lab_suz_TaxCreditsGainsInTaxLawsuitMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsTable_019ff75a-d50c-79da-8d82-ec1de3e17cf9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about biological assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about biological assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalDeferredTaxLiabilitiesMember_019ff75a-d5ab-7278-9f7f-f1ac5edfd59d_terseLabel_en-US" xlink:label="lab_suz_TotalDeferredTaxLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax liabilities</link:label>
    <link:label id="lab_suz_TotalDeferredTaxLiabilitiesMember_label_en-US" xlink:label="lab_suz_TotalDeferredTaxLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total deferred tax liabilities [Member]</link:label>
    <link:label id="lab_suz_TotalDeferredTaxLiabilitiesMember_documentation_en-US" xlink:label="lab_suz_TotalDeferredTaxLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalDeferredTaxLiabilitiesMember" xlink:href="suz-20260630.xsd#suz_TotalDeferredTaxLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalDeferredTaxLiabilitiesMember" xlink:to="lab_suz_TotalDeferredTaxLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RelatedPartyTransactionWithSuzanoGroupAndRelatedPartiesMember_019ff75a-d5ab-784f-b5d5-8394a2cbe0c2_terseLabel_en-US" xlink:label="lab_suz_RelatedPartyTransactionWithSuzanoGroupAndRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with companies of the Suzano Group and other related parties</link:label>
    <link:label id="lab_suz_RelatedPartyTransactionWithSuzanoGroupAndRelatedPartiesMember_label_en-US" xlink:label="lab_suz_RelatedPartyTransactionWithSuzanoGroupAndRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions with companies of the Suzano Group and other related parties</link:label>
    <link:label id="lab_suz_RelatedPartyTransactionWithSuzanoGroupAndRelatedPartiesMember_documentation_en-US" xlink:label="lab_suz_RelatedPartyTransactionWithSuzanoGroupAndRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">it represents transactions with related parties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RelatedPartyTransactionWithSuzanoGroupAndRelatedPartiesMember" xlink:href="suz-20260630.xsd#suz_RelatedPartyTransactionWithSuzanoGroupAndRelatedPartiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RelatedPartyTransactionWithSuzanoGroupAndRelatedPartiesMember" xlink:to="lab_suz_RelatedPartyTransactionWithSuzanoGroupAndRelatedPartiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_019ff75a-d484-7489-ad94-c57ebe0b8ea5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:to="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_019ff75a-d5ab-72bc-a727-dc895929e204_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_019ff75a-d5ab-70df-b1a9-5f2e16d38a2d_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total controlling shareholders' equity</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of parent [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_WeightedAverageCostOfCapitalPostTaxPercentage_019ff75a-d5ab-7085-8bbf-5de44237db40_terseLabel_en-US" xlink:label="lab_suz_WeightedAverageCostOfCapitalPostTaxPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Cost of Capital, Post Tax Percentage</link:label>
    <link:label id="lab_suz_WeightedAverageCostOfCapitalPostTaxPercentage_label_en-US" xlink:label="lab_suz_WeightedAverageCostOfCapitalPostTaxPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Cost of Capital, Post Tax Percentage</link:label>
    <link:label id="lab_suz_WeightedAverageCostOfCapitalPostTaxPercentage_documentation_en-US" xlink:label="lab_suz_WeightedAverageCostOfCapitalPostTaxPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted Average Cost of Capital, Post Tax Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_WeightedAverageCostOfCapitalPostTaxPercentage" xlink:href="suz-20260630.xsd#suz_WeightedAverageCostOfCapitalPostTaxPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_WeightedAverageCostOfCapitalPostTaxPercentage" xlink:to="lab_suz_WeightedAverageCostOfCapitalPostTaxPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EurobondMember_019ff75a-d50c-7ae7-a7f6-32a6b3610671_terseLabel_en-US" xlink:label="lab_suz_EurobondMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Eurobond</link:label>
    <link:label id="lab_suz_EurobondMember_label_en-US" xlink:label="lab_suz_EurobondMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Eurobond [Member]</link:label>
    <link:label id="lab_suz_EurobondMember_documentation_en-US" xlink:label="lab_suz_EurobondMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Eurobond</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EurobondMember" xlink:href="suz-20260630.xsd#suz_EurobondMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EurobondMember" xlink:to="lab_suz_EurobondMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfReconciliationOfEffectsOfIncomeTaxAndSocialContributionOnProfitOrLossTableTextBlock_019ff75a-d50c-7a38-a127-70f585318b42_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfReconciliationOfEffectsOfIncomeTaxAndSocialContributionOnProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Reconciliation of Effects of Income Tax and Social Contribution on Profit or Loss</link:label>
    <link:label id="lab_suz_DisclosureOfReconciliationOfEffectsOfIncomeTaxAndSocialContributionOnProfitOrLossTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfReconciliationOfEffectsOfIncomeTaxAndSocialContributionOnProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Reconciliation of Effects of Income Tax and Social Contribution on Profit or Loss [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfReconciliationOfEffectsOfIncomeTaxAndSocialContributionOnProfitOrLossTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfReconciliationOfEffectsOfIncomeTaxAndSocialContributionOnProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of reconciliation of the effects of income tax and social contribution on profit or loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfReconciliationOfEffectsOfIncomeTaxAndSocialContributionOnProfitOrLossTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfReconciliationOfEffectsOfIncomeTaxAndSocialContributionOnProfitOrLossTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfReconciliationOfEffectsOfIncomeTaxAndSocialContributionOnProfitOrLossTableTextBlock" xlink:to="lab_suz_DisclosureOfReconciliationOfEffectsOfIncomeTaxAndSocialContributionOnProfitOrLossTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceCosts_019ff75a-d50c-7708-bb50-d93c4df66b7d_negatedLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Finance costs</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_label_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceCosts" xlink:to="lab_ifrs-full_FinanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory_019ff75a-d50c-7800-aaf6-8f82d4521fb3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain_019ff75a-d50c-7d36-8d72-213c2085cd95_terseLabel_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Individual assets or cash-generating units [domain]</link:label>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain_label_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Individual assets or cash-generating units [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:to="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment_019ff75a-d3c2-73f7-bb3f-73f6524bb854_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisitions through business combinations, property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquisitions through business combinations, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PensionDefinedBenefitPlansMember_019ff75a-d5ab-7efc-aa62-f74cb7406d5b_terseLabel_en-US" xlink:label="lab_ifrs-full_PensionDefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension defined benefit plans [member]</link:label>
    <link:label id="lab_ifrs-full_PensionDefinedBenefitPlansMember_label_en-US" xlink:label="lab_ifrs-full_PensionDefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension defined benefit plans [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PensionDefinedBenefitPlansMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PensionDefinedBenefitPlansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PensionDefinedBenefitPlansMember" xlink:to="lab_ifrs-full_PensionDefinedBenefitPlansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentBiologicalAssets_019ff75a-d50c-7f96-8f26-54d14c519b99_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Biological assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentBiologicalAssets_019ff75a-d50c-7fd3-ac56-3fad92a0496e_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening Balance</link:label>
    <link:label id="lab_ifrs-full_NoncurrentBiologicalAssets_019ff75a-d50c-71b7-946f-968106134d61_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing Balance</link:label>
    <link:label id="lab_ifrs-full_NoncurrentBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentBiologicalAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentBiologicalAssets" xlink:to="lab_ifrs-full_NoncurrentBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract_019ff75a-d484-7d19-b96b-f107ccc91ba6_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in allowance account for credit losses of financial assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in allowance account for credit losses of financial assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdvanceToSuppliersMember_019ff75a-d5ab-7ef0-ad74-3ff202f10e4d_terseLabel_en-US" xlink:label="lab_suz_AdvanceToSuppliersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advance to suppliers - others</link:label>
    <link:label id="lab_suz_AdvanceToSuppliersMember_label_en-US" xlink:label="lab_suz_AdvanceToSuppliersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advance to suppliers - others</link:label>
    <link:label id="lab_suz_AdvanceToSuppliersMember_documentation_en-US" xlink:label="lab_suz_AdvanceToSuppliersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for advance to suppliers for the purchase of third-party materials, services and timber.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdvanceToSuppliersMember" xlink:href="suz-20260630.xsd#suz_AdvanceToSuppliersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdvanceToSuppliersMember" xlink:to="lab_suz_AdvanceToSuppliersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LongTermEmployeeBenefitsExpenseAbstract_019ff75a-d50c-7440-8a39-bf929682d66e_terseLabel_en-US" xlink:label="lab_suz_LongTermEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term benefits</link:label>
    <link:label id="lab_suz_LongTermEmployeeBenefitsExpenseAbstract_label_en-US" xlink:label="lab_suz_LongTermEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term employee benefits expense [Abstract]</link:label>
    <link:label id="lab_suz_LongTermEmployeeBenefitsExpenseAbstract_documentation_en-US" xlink:label="lab_suz_LongTermEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long-term employee benefits expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LongTermEmployeeBenefitsExpenseAbstract" xlink:href="suz-20260630.xsd#suz_LongTermEmployeeBenefitsExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LongTermEmployeeBenefitsExpenseAbstract" xlink:to="lab_suz_LongTermEmployeeBenefitsExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsPastDueButNotImpairedMember_019ff75a-d50c-7716-a5f7-4dc09e088a98_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsPastDueButNotImpairedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Overdue</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsPastDueButNotImpairedMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsPastDueButNotImpairedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets past due but not impaired [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsPastDueButNotImpairedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsPastDueButNotImpairedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsPastDueButNotImpairedMember" xlink:to="lab_ifrs-full_FinancialAssetsPastDueButNotImpairedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Term10YearMember_019ff75a-d5ab-7754-afe4-332f31f44fbb_terseLabel_en-US" xlink:label="lab_suz_Term10YearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term, 10 year</link:label>
    <link:label id="lab_suz_Term10YearMember_label_en-US" xlink:label="lab_suz_Term10YearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term, 10 year [Member]</link:label>
    <link:label id="lab_suz_Term10YearMember_documentation_en-US" xlink:label="lab_suz_Term10YearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivative instrument maturities of ten years.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Term10YearMember" xlink:href="suz-20260630.xsd#suz_Term10YearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Term10YearMember" xlink:to="lab_suz_Term10YearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfAdvancesToSuppliersTableTextBlock_019ff75a-d50c-7e03-9ade-65aa46d20008_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfAdvancesToSuppliersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Advances to Suppliers</link:label>
    <link:label id="lab_suz_ScheduleOfAdvancesToSuppliersTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfAdvancesToSuppliersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Advances to Suppliers [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfAdvancesToSuppliersTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfAdvancesToSuppliersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of advances to suppliers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfAdvancesToSuppliersTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfAdvancesToSuppliersTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfAdvancesToSuppliersTableTextBlock" xlink:to="lab_suz_ScheduleOfAdvancesToSuppliersTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SummaryOfMaterialAccountingPoliciesAbstract_label_en-US" xlink:label="lab_suz_SummaryOfMaterialAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of material accounting policies [Abstract]</link:label>
    <link:label id="lab_suz_SummaryOfMaterialAccountingPoliciesAbstract_documentation_en-US" xlink:label="lab_suz_SummaryOfMaterialAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of material accounting policies [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SummaryOfMaterialAccountingPoliciesAbstract" xlink:href="suz-20260630.xsd#suz_SummaryOfMaterialAccountingPoliciesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SummaryOfMaterialAccountingPoliciesAbstract" xlink:to="lab_suz_SummaryOfMaterialAccountingPoliciesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_019ff75a-d5ab-7a72-98e7-7f2266b1b63f_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxesOnSales_019ff75a-d5ab-7774-bff8-12d32c502cda_negatedTerseLabel_en-US" xlink:label="lab_suz_TaxesOnSales" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Taxes on sales</link:label>
    <link:label id="lab_suz_TaxesOnSales_label_en-US" xlink:label="lab_suz_TaxesOnSales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Taxes On Sales</link:label>
    <link:label id="lab_suz_TaxesOnSales_documentation_en-US" xlink:label="lab_suz_TaxesOnSales" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of taxes on sales.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxesOnSales" xlink:href="suz-20260630.xsd#suz_TaxesOnSales"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxesOnSales" xlink:to="lab_suz_TaxesOnSales" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoPackagingLLCMember_019ff75a-d50c-7c5a-9edb-b7d62b669c3d_terseLabel_en-US" xlink:label="lab_suz_SuzanoPackagingLLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Packaging LLC (Indirect)</link:label>
    <link:label id="lab_suz_SuzanoPackagingLLCMember_label_en-US" xlink:label="lab_suz_SuzanoPackagingLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Packaging LLC [Member]</link:label>
    <link:label id="lab_suz_SuzanoPackagingLLCMember_documentation_en-US" xlink:label="lab_suz_SuzanoPackagingLLCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Suzano Packaging LLC</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoPackagingLLCMember" xlink:href="suz-20260630.xsd#suz_SuzanoPackagingLLCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoPackagingLLCMember" xlink:to="lab_suz_SuzanoPackagingLLCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_019ff75a-d5ab-7a81-b5ca-c84665967061_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of cash and cash equivalents [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of cash and cash equivalents [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BondsMember_019ff75a-d5ab-7ae9-b08b-a5e823c40e2e_terseLabel_en-US" xlink:label="lab_suz_BondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds</link:label>
    <link:label id="lab_suz_BondsMember_label_en-US" xlink:label="lab_suz_BondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bonds [Member]</link:label>
    <link:label id="lab_suz_BondsMember_documentation_en-US" xlink:label="lab_suz_BondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BondsMember" xlink:href="suz-20260630.xsd#suz_BondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BondsMember" xlink:to="lab_suz_BondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxAssessmentCorporateIncomeTaxAndSocialContributionMember_019ff75a-d50c-7b17-86d7-652845fe743a_terseLabel_en-US" xlink:label="lab_suz_TaxAssessmentCorporateIncomeTaxAndSocialContributionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax assessment - Corporate Income Tax and Social Contribution</link:label>
    <link:label id="lab_suz_TaxAssessmentCorporateIncomeTaxAndSocialContributionMember_label_en-US" xlink:label="lab_suz_TaxAssessmentCorporateIncomeTaxAndSocialContributionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax assessment - Corporate Income Tax and Social Contribution [Member]</link:label>
    <link:label id="lab_suz_TaxAssessmentCorporateIncomeTaxAndSocialContributionMember_documentation_en-US" xlink:label="lab_suz_TaxAssessmentCorporateIncomeTaxAndSocialContributionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for tax assessment - corporate income tax and social contribution.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxAssessmentCorporateIncomeTaxAndSocialContributionMember" xlink:href="suz-20260630.xsd#suz_TaxAssessmentCorporateIncomeTaxAndSocialContributionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxAssessmentCorporateIncomeTaxAndSocialContributionMember" xlink:to="lab_suz_TaxAssessmentCorporateIncomeTaxAndSocialContributionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CashAndCashEquivalentsLineItems_019ff75a-d50c-7d16-9aa9-ace875a60603_terseLabel_en-US" xlink:label="lab_suz_CashAndCashEquivalentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents [Line Items]</link:label>
    <link:label id="lab_suz_CashAndCashEquivalentsLineItems_label_en-US" xlink:label="lab_suz_CashAndCashEquivalentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents [Line Items]</link:label>
    <link:label id="lab_suz_CashAndCashEquivalentsLineItems_documentation_en-US" xlink:label="lab_suz_CashAndCashEquivalentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CashAndCashEquivalentsLineItems" xlink:href="suz-20260630.xsd#suz_CashAndCashEquivalentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CashAndCashEquivalentsLineItems" xlink:to="lab_suz_CashAndCashEquivalentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_WeightedAveragePricePerShareOfTreasurySharesRepurchasedDuringThePeriod_019ff75a-d50c-7ee5-b41e-1d18c3e0ad0c_terseLabel_en-US" xlink:label="lab_suz_WeightedAveragePricePerShareOfTreasurySharesRepurchasedDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase</link:label>
    <link:label id="lab_suz_WeightedAveragePricePerShareOfTreasurySharesRepurchasedDuringThePeriod_label_en-US" xlink:label="lab_suz_WeightedAveragePricePerShareOfTreasurySharesRepurchasedDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Price Per Share of Treasury Shares Repurchased During the Period</link:label>
    <link:label id="lab_suz_WeightedAveragePricePerShareOfTreasurySharesRepurchasedDuringThePeriod_documentation_en-US" xlink:label="lab_suz_WeightedAveragePricePerShareOfTreasurySharesRepurchasedDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average price per share of treasury shares repurchased in the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_WeightedAveragePricePerShareOfTreasurySharesRepurchasedDuringThePeriod" xlink:href="suz-20260630.xsd#suz_WeightedAveragePricePerShareOfTreasurySharesRepurchasedDuringThePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_WeightedAveragePricePerShareOfTreasurySharesRepurchasedDuringThePeriod" xlink:to="lab_suz_WeightedAveragePricePerShareOfTreasurySharesRepurchasedDuringThePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfFinancialResultsTextBlock_019ff75a-d484-7eec-9d40-728bce2eee48_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfFinancialResultsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial results</link:label>
    <link:label id="lab_suz_DisclosureOfFinancialResultsTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfFinancialResultsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial results [Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfFinancialResultsTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfFinancialResultsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of finance income (cost).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfFinancialResultsTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfFinancialResultsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfFinancialResultsTextBlock" xlink:to="lab_suz_DisclosureOfFinancialResultsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination_019ff75a-d5ab-7cce-a8d4-15daa3a39fba_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination</link:label>
    <link:label id="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination_label_en-US" xlink:label="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:to="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativeFinancialLiabilitiesMember_019ff75a-d484-7cd8-abe0-d4bd8ccae154_terseLabel_en-US" xlink:label="lab_suz_DerivativeFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Liabilities</link:label>
    <link:label id="lab_suz_DerivativeFinancialLiabilitiesMember_label_en-US" xlink:label="lab_suz_DerivativeFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Liabilities</link:label>
    <link:label id="lab_suz_DerivativeFinancialLiabilitiesMember_documentation_en-US" xlink:label="lab_suz_DerivativeFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for financial liabilities classified as derivative instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativeFinancialLiabilitiesMember" xlink:href="suz-20260630.xsd#suz_DerivativeFinancialLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativeFinancialLiabilitiesMember" xlink:to="lab_suz_DerivativeFinancialLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsPerShareAbstract_019ff75a-d50c-776e-8dc2-a0e772af7183_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings per share [abstract]</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsPerShareAbstract" xlink:to="lab_ifrs-full_BasicEarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToAbstract_019ff75a-d484-7f10-b76a-a35ca4d5e41d_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to [abstract]</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:to="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossOfCombinedEntity_019ff75a-d5ab-7832-bc3d-53718a2284d8_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossOfCombinedEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit (loss) of combined entity as if combination occurred at beginning of period</link:label>
    <link:label id="lab_ifrs-full_ProfitLossOfCombinedEntity_label_en-US" xlink:label="lab_ifrs-full_ProfitLossOfCombinedEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) of combined entity as if combination occurred at beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossOfCombinedEntity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossOfCombinedEntity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossOfCombinedEntity" xlink:to="lab_ifrs-full_ProfitLossOfCombinedEntity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory_019ff75a-d484-729c-8e9b-4875f6871a0c_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current and deferred income tax and social contribution and uncertainty over income tax treatments</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for deferred income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAndLiabilitiesAbstract_019ff75a-d50c-7030-b826-086a1b8f62f2_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity and liabilities</link:label>
    <link:label id="lab_ifrs-full_EquityAndLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity and liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="lab_ifrs-full_EquityAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AAMember_019ff75a-d50c-714e-b197-28a1c066dbd7_terseLabel_en-US" xlink:label="lab_suz_AAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AA-</link:label>
    <link:label id="lab_suz_AAMember_label_en-US" xlink:label="lab_suz_AAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AA- [Member]</link:label>
    <link:label id="lab_suz_AAMember_documentation_en-US" xlink:label="lab_suz_AAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AA-</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AAMember" xlink:href="suz-20260630.xsd#suz_AAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AAMember" xlink:to="lab_suz_AAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExportDevelopmentCanadaMember_019ff75a-d50c-7f07-a417-34adc5d7fc35_terseLabel_en-US" xlink:label="lab_suz_ExportDevelopmentCanadaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Export Development Canada</link:label>
    <link:label id="lab_suz_ExportDevelopmentCanadaMember_label_en-US" xlink:label="lab_suz_ExportDevelopmentCanadaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Export Development Canada [Member]</link:label>
    <link:label id="lab_suz_ExportDevelopmentCanadaMember_documentation_en-US" xlink:label="lab_suz_ExportDevelopmentCanadaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Export Development Canada</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExportDevelopmentCanadaMember" xlink:href="suz-20260630.xsd#suz_ExportDevelopmentCanadaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExportDevelopmentCanadaMember" xlink:to="lab_suz_ExportDevelopmentCanadaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits_019ff75a-d484-7ab1-b825-bf42fc670dd4_negatedTerseLabel_en-US" xlink:label="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provision for loss on ICMS credits (6)</link:label>
    <link:label id="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits_019ff75a-d484-7ae6-a58f-3a91bc249b7b_periodStartLabel_en-US" xlink:label="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening Balance</link:label>
    <link:label id="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits_019ff75a-d484-753c-a4e9-146db75b50ce_periodEndLabel_en-US" xlink:label="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing Balance</link:label>
    <link:label id="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits_label_en-US" xlink:label="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for Impairment of Value Added Tax on Sales and Services credits</link:label>
    <link:label id="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits_documentation_en-US" xlink:label="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of provision for impairment of value added tax on sales and services credits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:href="suz-20260630.xsd#suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:to="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCredits" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IndentifiableIntangibleAssetsRecognisedAsOfAcquisitionDateFairValueAdjustment_019ff75a-d5ab-7031-8722-a6e381b21edb_terseLabel_en-US" xlink:label="lab_suz_IndentifiableIntangibleAssetsRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trademarks and patents</link:label>
    <link:label id="lab_suz_IndentifiableIntangibleAssetsRecognisedAsOfAcquisitionDateFairValueAdjustment_label_en-US" xlink:label="lab_suz_IndentifiableIntangibleAssetsRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Indentifiable Intangible Assets Recognised As Of Acquisition Date, Fair Value Adjustment</link:label>
    <link:label id="lab_suz_IndentifiableIntangibleAssetsRecognisedAsOfAcquisitionDateFairValueAdjustment_documentation_en-US" xlink:label="lab_suz_IndentifiableIntangibleAssetsRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Indentifiable Intangible Assets Recognised As Of Acquisition Date, Fair Value Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IndentifiableIntangibleAssetsRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:href="suz-20260630.xsd#suz_IndentifiableIntangibleAssetsRecognisedAsOfAcquisitionDateFairValueAdjustment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IndentifiableIntangibleAssetsRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:to="lab_suz_IndentifiableIntangibleAssetsRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentsToEBITDA_019ff75a-d50c-748d-a9b5-27ee6b737401_terseLabel_en-US" xlink:label="lab_suz_AdjustmentsToEBITDA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to EBITDA</link:label>
    <link:label id="lab_suz_AdjustmentsToEBITDA_019ff75a-d50c-792c-8db5-3478f64cafd9_negatedTotalLabel_en-US" xlink:label="lab_suz_AdjustmentsToEBITDA" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Adjustments to EBITDA</link:label>
    <link:label id="lab_suz_AdjustmentsToEBITDA_label_en-US" xlink:label="lab_suz_AdjustmentsToEBITDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to EBITDA</link:label>
    <link:label id="lab_suz_AdjustmentsToEBITDA_documentation_en-US" xlink:label="lab_suz_AdjustmentsToEBITDA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments to EBITDA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentsToEBITDA" xlink:href="suz-20260630.xsd#suz_AdjustmentsToEBITDA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentsToEBITDA" xlink:to="lab_suz_AdjustmentsToEBITDA" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ZeroCostCollarReaisToUSDollarMember_019ff75a-d484-764b-8c26-43140f35e6a6_terseLabel_en-US" xlink:label="lab_suz_ZeroCostCollarReaisToUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Zero cost collar (R$ x U.S.$)</link:label>
    <link:label id="lab_suz_ZeroCostCollarReaisToUSDollarMember_label_en-US" xlink:label="lab_suz_ZeroCostCollarReaisToUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Zero cost collar (R$ x U.S.$)</link:label>
    <link:label id="lab_suz_ZeroCostCollarReaisToUSDollarMember_documentation_en-US" xlink:label="lab_suz_ZeroCostCollarReaisToUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for positions in an instrument consisting of a simultaneous combination of purchase of put options and sale of call options in dollars, with the same principal amount and maturity, in order to hedge cash flows from exports. According to this strategy, a range is fixed where there is no deposit or receipt of a financial margin on position adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ZeroCostCollarReaisToUSDollarMember" xlink:href="suz-20260630.xsd#suz_ZeroCostCollarReaisToUSDollarMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ZeroCostCollarReaisToUSDollarMember" xlink:to="lab_suz_ZeroCostCollarReaisToUSDollarMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_019ff75a-d50c-7d42-9972-3ebad1c4efd2_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in property, plant and equipment [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ControllingShareholdersMember_019ff75a-d5ab-7d0e-b3ed-a07ab3281a17_terseLabel_en-US" xlink:label="lab_suz_ControllingShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Controlling Shareholders</link:label>
    <link:label id="lab_suz_ControllingShareholdersMember_label_en-US" xlink:label="lab_suz_ControllingShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Controlling Shareholders [Member]</link:label>
    <link:label id="lab_suz_ControllingShareholdersMember_documentation_en-US" xlink:label="lab_suz_ControllingShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It represents shareholders of the company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ControllingShareholdersMember" xlink:href="suz-20260630.xsd#suz_ControllingShareholdersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ControllingShareholdersMember" xlink:to="lab_suz_ControllingShareholdersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapConsumerPriceIndexToFixedRateUsDollarMember_019ff75a-d483-70aa-bb03-73eadf552de4_terseLabel_en-US" xlink:label="lab_suz_SwapConsumerPriceIndexToFixedRateUsDollarMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap IPCA to Fixed (US$)</link:label>
    <link:label id="lab_suz_SwapConsumerPriceIndexToFixedRateUsDollarMember_label_en-US" xlink:label="lab_suz_SwapConsumerPriceIndexToFixedRateUsDollarMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap IPCA to Fixed (US$)</link:label>
    <link:label id="lab_suz_SwapConsumerPriceIndexToFixedRateUsDollarMember_documentation_en-US" xlink:label="lab_suz_SwapConsumerPriceIndexToFixedRateUsDollarMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for positions in conventional swaps by changing from Amplified Consumer Price Index ("IPCA") to pre-fixed U.S.$ rate. The purpose is to change the debt index from Brazilian Reais to U.S.$.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapConsumerPriceIndexToFixedRateUsDollarMember" xlink:href="suz-20260630.xsd#suz_SwapConsumerPriceIndexToFixedRateUsDollarMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapConsumerPriceIndexToFixedRateUsDollarMember" xlink:to="lab_suz_SwapConsumerPriceIndexToFixedRateUsDollarMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember_019ff75a-d3c2-7ddb-acf2-3a65365df6f1_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Later than two years and not later than five years [member]</link:label>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than two years and not later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PossibleTaxationOfProfits_019ff75a-d5ab-7977-a612-7b8c8115edda_terseLabel_en-US" xlink:label="lab_suz_PossibleTaxationOfProfits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Possible taxation of profits</link:label>
    <link:label id="lab_suz_PossibleTaxationOfProfits_label_en-US" xlink:label="lab_suz_PossibleTaxationOfProfits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Possible Taxation of Profits</link:label>
    <link:label id="lab_suz_PossibleTaxationOfProfits_documentation_en-US" xlink:label="lab_suz_PossibleTaxationOfProfits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Possible Taxation of Profits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PossibleTaxationOfProfits" xlink:href="suz-20260630.xsd#suz_PossibleTaxationOfProfits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PossibleTaxationOfProfits" xlink:to="lab_suz_PossibleTaxationOfProfits" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PlanNameDomain_019ff75a-d50c-734d-8665-b552d70d4a10_terseLabel_en-US" xlink:label="lab_suz_PlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plan Name [Domain]</link:label>
    <link:label id="lab_suz_PlanNameDomain_label_en-US" xlink:label="lab_suz_PlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plan Name [Domain]</link:label>
    <link:label id="lab_suz_PlanNameDomain_documentation_en-US" xlink:label="lab_suz_PlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Plan Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PlanNameDomain" xlink:href="suz-20260630.xsd#suz_PlanNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PlanNameDomain" xlink:to="lab_suz_PlanNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_019ff75a-d5ab-7b43-bf36-1177202cc1ab_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest on actuarial liabilities</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalOfProductsMember_019ff75a-d50c-72e8-bf8a-f73d2fc1fa69_terseLabel_en-US" xlink:label="lab_suz_TotalOfProductsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total of products</link:label>
    <link:label id="lab_suz_TotalOfProductsMember_label_en-US" xlink:label="lab_suz_TotalOfProductsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total of products [Member]</link:label>
    <link:label id="lab_suz_TotalOfProductsMember_documentation_en-US" xlink:label="lab_suz_TotalOfProductsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total of products</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalOfProductsMember" xlink:href="suz-20260630.xsd#suz_TotalOfProductsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalOfProductsMember" xlink:to="lab_suz_TotalOfProductsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BancoSafraMember_019ff75a-d50c-7ce0-894b-ebcfe4fdfb48_terseLabel_en-US" xlink:label="lab_suz_BancoSafraMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Safra</link:label>
    <link:label id="lab_suz_BancoSafraMember_label_en-US" xlink:label="lab_suz_BancoSafraMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Safra [Member]</link:label>
    <link:label id="lab_suz_BancoSafraMember_documentation_en-US" xlink:label="lab_suz_BancoSafraMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Safra</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BancoSafraMember" xlink:href="suz-20260630.xsd#suz_BancoSafraMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BancoSafraMember" xlink:to="lab_suz_BancoSafraMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CurrentTaxLiabilitiesIncomeTaxRelated_019ff75a-d5ab-7e18-ad03-e94037d6e2fd_terseLabel_en-US" xlink:label="lab_suz_CurrentTaxLiabilitiesIncomeTaxRelated" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income taxes payable</link:label>
    <link:label id="lab_suz_CurrentTaxLiabilitiesIncomeTaxRelated_label_en-US" xlink:label="lab_suz_CurrentTaxLiabilitiesIncomeTaxRelated" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Tax Liabilities Income Tax Related</link:label>
    <link:label id="lab_suz_CurrentTaxLiabilitiesIncomeTaxRelated_documentation_en-US" xlink:label="lab_suz_CurrentTaxLiabilitiesIncomeTaxRelated" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Tax Liabilities Income Tax Related</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CurrentTaxLiabilitiesIncomeTaxRelated" xlink:href="suz-20260630.xsd#suz_CurrentTaxLiabilitiesIncomeTaxRelated"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CurrentTaxLiabilitiesIncomeTaxRelated" xlink:to="lab_suz_CurrentTaxLiabilitiesIncomeTaxRelated" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InvestmentsAbstract_label_en-US" xlink:label="lab_suz_InvestmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments [Abstract]</link:label>
    <link:label id="lab_suz_InvestmentsAbstract_documentation_en-US" xlink:label="lab_suz_InvestmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InvestmentsAbstract" xlink:href="suz-20260630.xsd#suz_InvestmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InvestmentsAbstract" xlink:to="lab_suz_InvestmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_019ff75a-d5ab-7af4-84c2-5b416105dd90_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions other than through business combinations, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IplfHoldingS.a.Member_019ff75a-d5ab-76c7-81c9-e9c8ff420eb3_terseLabel_en-US" xlink:label="lab_suz_IplfHoldingS.a.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IPFL Holding S.A</link:label>
    <link:label id="lab_suz_IplfHoldingS.a.Member_label_en-US" xlink:label="lab_suz_IplfHoldingS.a.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IPFL Holding S.A</link:label>
    <link:label id="lab_suz_IplfHoldingS.a.Member_documentation_en-US" xlink:label="lab_suz_IplfHoldingS.a.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for IPLF Holding S.A. ("IPLF"), a related party, controlled by key management personnel.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IplfHoldingS.a.Member" xlink:href="suz-20260630.xsd#suz_IplfHoldingS.a.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IplfHoldingS.a.Member" xlink:to="lab_suz_IplfHoldingS.a.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InvestmentsAccountedForUsingEquityMethodExcludingGoodwill_019ff75a-d50c-7add-b482-fdf5429e2741_terseLabel_en-US" xlink:label="lab_suz_InvestmentsAccountedForUsingEquityMethodExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments Accounted for Using Equity Method, Excluding Goodwill</link:label>
    <link:label id="lab_suz_InvestmentsAccountedForUsingEquityMethodExcludingGoodwill_label_en-US" xlink:label="lab_suz_InvestmentsAccountedForUsingEquityMethodExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments Accounted for Using Equity Method, Excluding Goodwill</link:label>
    <link:label id="lab_suz_InvestmentsAccountedForUsingEquityMethodExcludingGoodwill_documentation_en-US" xlink:label="lab_suz_InvestmentsAccountedForUsingEquityMethodExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of investments accounted for using the equity method, excluding goodwill.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InvestmentsAccountedForUsingEquityMethodExcludingGoodwill" xlink:href="suz-20260630.xsd#suz_InvestmentsAccountedForUsingEquityMethodExcludingGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InvestmentsAccountedForUsingEquityMethodExcludingGoodwill" xlink:to="lab_suz_InvestmentsAccountedForUsingEquityMethodExcludingGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProvisionForJudicialDeposits_019ff75a-d50c-7ca2-85d8-30064904b5c5_terseLabel_en-US" xlink:label="lab_suz_ProvisionForJudicialDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Judicial deposits</link:label>
    <link:label id="lab_suz_ProvisionForJudicialDeposits_label_en-US" xlink:label="lab_suz_ProvisionForJudicialDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Judicial Deposits</link:label>
    <link:label id="lab_suz_ProvisionForJudicialDeposits_documentation_en-US" xlink:label="lab_suz_ProvisionForJudicialDeposits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of provision for judicial deposits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProvisionForJudicialDeposits" xlink:href="suz-20260630.xsd#suz_ProvisionForJudicialDeposits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProvisionForJudicialDeposits" xlink:to="lab_suz_ProvisionForJudicialDeposits" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinancialRiskManagementMember_019ff75a-d484-7375-9d99-388886475395_terseLabel_en-US" xlink:label="lab_suz_FinancialRiskManagementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial risks management</link:label>
    <link:label id="lab_suz_FinancialRiskManagementMember_label_en-US" xlink:label="lab_suz_FinancialRiskManagementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial risks management</link:label>
    <link:label id="lab_suz_FinancialRiskManagementMember_documentation_en-US" xlink:label="lab_suz_FinancialRiskManagementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for financial risk management.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinancialRiskManagementMember" xlink:href="suz-20260630.xsd#suz_FinancialRiskManagementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinancialRiskManagementMember" xlink:to="lab_suz_FinancialRiskManagementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OperatingLeasesCapitalizedInterest_019ff75a-d50c-7a20-88b3-0f5ad41493a3_terseLabel_en-US" xlink:label="lab_suz_OperatingLeasesCapitalizedInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases, Capitalized Interest</link:label>
    <link:label id="lab_suz_OperatingLeasesCapitalizedInterest_label_en-US" xlink:label="lab_suz_OperatingLeasesCapitalizedInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Capitalized Interest</link:label>
    <link:label id="lab_suz_OperatingLeasesCapitalizedInterest_documentation_en-US" xlink:label="lab_suz_OperatingLeasesCapitalizedInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of interest expense capitalized during the reporting period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OperatingLeasesCapitalizedInterest" xlink:href="suz-20260630.xsd#suz_OperatingLeasesCapitalizedInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OperatingLeasesCapitalizedInterest" xlink:to="lab_suz_OperatingLeasesCapitalizedInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_019ff75a-d50c-72a5-b8e7-e31d597da366_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Profit (loss) from operating activities</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_019ff75a-d50c-7bc1-8b29-5c3cf6579897_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit (loss) from operating activities</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) from operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:to="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BalanceSheetLocationDomain_019ff75a-d484-7a3e-9b03-da14eadf5205_terseLabel_en-US" xlink:label="lab_suz_BalanceSheetLocationDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IFRS Balance Sheet Location [Domain]</link:label>
    <link:label id="lab_suz_BalanceSheetLocationDomain_label_en-US" xlink:label="lab_suz_BalanceSheetLocationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</link:label>
    <link:label id="lab_suz_BalanceSheetLocationDomain_documentation_en-US" xlink:label="lab_suz_BalanceSheetLocationDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BalanceSheetLocationDomain" xlink:href="suz-20260630.xsd#suz_BalanceSheetLocationDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BalanceSheetLocationDomain" xlink:to="lab_suz_BalanceSheetLocationDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_May2031AndMay2032Member_019ff75a-d484-7100-8813-49c2bc2c11e5_terseLabel_en-US" xlink:label="lab_suz_May2031AndMay2032Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">May 2031 and May 2032 [Member]</link:label>
    <link:label id="lab_suz_May2031AndMay2032Member_label_en-US" xlink:label="lab_suz_May2031AndMay2032Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">May 2031 and May 2032 [Member]</link:label>
    <link:label id="lab_suz_May2031AndMay2032Member_documentation_en-US" xlink:label="lab_suz_May2031AndMay2032Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">May 2031 and May 2032</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_May2031AndMay2032Member" xlink:href="suz-20260630.xsd#suz_May2031AndMay2032Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_May2031AndMay2032Member" xlink:to="lab_suz_May2031AndMay2032Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets_019ff75a-d5ab-7e99-90b4-8052c0edd5d4_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value adjustment of biological assets</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets_019ff75a-d5ab-74a1-a2cc-a36ec79ebdf5_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Gain on fair value adjustments (Note 7)</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets_019ff75a-d5ab-7eb9-818d-b44fb2b4758a_negatedLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Fair value adjustment of biological assets</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets_019ff75a-d5ab-7a56-acab-1953d7293cf6_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Fair value adjustment of biological assets</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on fair value adjustment, biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:to="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization_019ff75a-d50c-7f7e-a6f8-91bbde25a861_terseLabel_en-US" xlink:label="lab_suz_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjusted Earnings Before Interest, Taxes, Depreciation, and Amortization</link:label>
    <link:label id="lab_suz_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization_label_en-US" xlink:label="lab_suz_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjusted Earnings Before Interest, Taxes, Depreciation, and Amortization</link:label>
    <link:label id="lab_suz_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization_documentation_en-US" xlink:label="lab_suz_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjusted Earnings Before Interest, Taxes, Depreciation, and Amortization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:href="suz-20260630.xsd#suz_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:to="lab_suz_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseInEquityAttributableToAdditionalProposedDividend_019ff75a-d484-7bf5-b70a-8ede3cab71a0_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseInEquityAttributableToAdditionalProposedDividend" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Equity Attributable to Additional Proposed Dividend</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInEquityAttributableToAdditionalProposedDividend_label_en-US" xlink:label="lab_suz_IncreaseDecreaseInEquityAttributableToAdditionalProposedDividend" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Equity Attributable to Additional Proposed Dividend</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInEquityAttributableToAdditionalProposedDividend_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseInEquityAttributableToAdditionalProposedDividend" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount increase (decrease) in equity attributable to additional proposed dividend.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseInEquityAttributableToAdditionalProposedDividend" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseInEquityAttributableToAdditionalProposedDividend"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseInEquityAttributableToAdditionalProposedDividend" xlink:to="lab_suz_IncreaseDecreaseInEquityAttributableToAdditionalProposedDividend" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsExplanatory_019ff75a-d484-78ef-91c5-178d30278276_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about biological assets [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about biological assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDeferredTaxLiabilities_019ff75a-d50c-7af9-991c-63c2e9721a54_terseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxLiabilities_019ff75a-d50c-7f9c-b70e-db41e6066d4a_verboseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetDeferredTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDeferredTaxLiabilities" xlink:to="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Age55To79YearsMember_019ff75a-d484-7ec7-96e6-9145d5b3f345_terseLabel_en-US" xlink:label="lab_suz_Age55To79YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial Assumption, Aging Factor, Ages: 55 to 79 years</link:label>
    <link:label id="lab_suz_Age55To79YearsMember_label_en-US" xlink:label="lab_suz_Age55To79YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial Assumption, Aging Factor, Ages: 55 to 79 years</link:label>
    <link:label id="lab_suz_Age55To79YearsMember_documentation_en-US" xlink:label="lab_suz_Age55To79YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for 55 to 79 years age.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Age55To79YearsMember" xlink:href="suz-20260630.xsd#suz_Age55To79YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Age55To79YearsMember" xlink:to="lab_suz_Age55To79YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_019ff75a-d50c-73d0-8a7e-19a51f4ba9fb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of leases [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of leases [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfLeasesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DecreaseProvisionShareBasedPaymentCancelled_019ff75a-d484-71e0-ac5e-33acb28d2013_terseLabel_en-US" xlink:label="lab_suz_DecreaseProvisionShareBasedPaymentCancelled" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease Provision Share Based Payment Cancelled</link:label>
    <link:label id="lab_suz_DecreaseProvisionShareBasedPaymentCancelled_label_en-US" xlink:label="lab_suz_DecreaseProvisionShareBasedPaymentCancelled" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease Provision Share Based Payment Cancelled</link:label>
    <link:label id="lab_suz_DecreaseProvisionShareBasedPaymentCancelled_documentation_en-US" xlink:label="lab_suz_DecreaseProvisionShareBasedPaymentCancelled" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease Provision Share Based Payment Cancelled</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DecreaseProvisionShareBasedPaymentCancelled" xlink:href="suz-20260630.xsd#suz_DecreaseProvisionShareBasedPaymentCancelled"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DecreaseProvisionShareBasedPaymentCancelled" xlink:to="lab_suz_DecreaseProvisionShareBasedPaymentCancelled" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TradeAccountsPayableLineItems_019ff75a-d484-7f6d-83f3-fc76b81f3780_terseLabel_en-US" xlink:label="lab_suz_TradeAccountsPayableLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade accounts payable [Line Items]</link:label>
    <link:label id="lab_suz_TradeAccountsPayableLineItems_label_en-US" xlink:label="lab_suz_TradeAccountsPayableLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade accounts payable [Line Items]</link:label>
    <link:label id="lab_suz_TradeAccountsPayableLineItems_documentation_en-US" xlink:label="lab_suz_TradeAccountsPayableLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade accounts payable [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TradeAccountsPayableLineItems" xlink:href="suz-20260630.xsd#suz_TradeAccountsPayableLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TradeAccountsPayableLineItems" xlink:to="lab_suz_TradeAccountsPayableLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_019ff75a-d50c-7fbf-8d39-79be0365cb98_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payroll and charges</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in employee benefit liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MarketableSecuritiesNoncurrentAssets_019ff75a-d484-7bf9-a701-abe117bec725_terseLabel_en-US" xlink:label="lab_suz_MarketableSecuritiesNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketable securities</link:label>
    <link:label id="lab_suz_MarketableSecuritiesNoncurrentAssets_019ff75a-d484-77ea-989b-d3883541b6ea_verboseLabel_en-US" xlink:label="lab_suz_MarketableSecuritiesNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-Current</link:label>
    <link:label id="lab_suz_MarketableSecuritiesNoncurrentAssets_label_en-US" xlink:label="lab_suz_MarketableSecuritiesNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities, Noncurrent assets</link:label>
    <link:label id="lab_suz_MarketableSecuritiesNoncurrentAssets_documentation_en-US" xlink:label="lab_suz_MarketableSecuritiesNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt and equity financial instruments including securities held-to-maturity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MarketableSecuritiesNoncurrentAssets" xlink:href="suz-20260630.xsd#suz_MarketableSecuritiesNoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MarketableSecuritiesNoncurrentAssets" xlink:to="lab_suz_MarketableSecuritiesNoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnOtherOperations_019ff75a-d484-7ce3-ada1-a2c7ce6fd715_terseLabel_en-US" xlink:label="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnOtherOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ICMS &#8211; operations (4)</link:label>
    <link:label id="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnOtherOperations_label_en-US" xlink:label="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnOtherOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recoverable Taxes, Value Added Tax on Sales and Services on Other Operations</link:label>
    <link:label id="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnOtherOperations_documentation_en-US" xlink:label="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnOtherOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of recoverable taxes from value added tax on sales and services relating to other operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnOtherOperations" xlink:href="suz-20260630.xsd#suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnOtherOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnOtherOperations" xlink:to="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnOtherOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets_019ff75a-d484-7db9-9019-ec08c46b5828_terseLabel_en-US" xlink:label="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets_label_en-US" xlink:label="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Utilisation Allowance Account For Credit Losses Financial Assets</link:label>
    <link:label id="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets_documentation_en-US" xlink:label="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Utilisation Allowance Account For Credit Losses Financial Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets" xlink:href="suz-20260630.xsd#suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets" xlink:to="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Term2YearMember_019ff75a-d50c-7f9f-b85b-da07038a3bc8_terseLabel_en-US" xlink:label="lab_suz_Term2YearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term, 2 year</link:label>
    <link:label id="lab_suz_Term2YearMember_label_en-US" xlink:label="lab_suz_Term2YearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term, 2 year [Member]</link:label>
    <link:label id="lab_suz_Term2YearMember_documentation_en-US" xlink:label="lab_suz_Term2YearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Term, 2 year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Term2YearMember" xlink:href="suz-20260630.xsd#suz_Term2YearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Term2YearMember" xlink:to="lab_suz_Term2YearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_January2026Member_019ff75a-d50c-7c25-ac8e-9e0659df0c41_terseLabel_en-US" xlink:label="lab_suz_January2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">January 2026</link:label>
    <link:label id="lab_suz_January2026Member_label_en-US" xlink:label="lab_suz_January2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">January 2026 [Member]</link:label>
    <link:label id="lab_suz_January2026Member_documentation_en-US" xlink:label="lab_suz_January2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">January 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_January2026Member" xlink:href="suz-20260630.xsd#suz_January2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_January2026Member" xlink:to="lab_suz_January2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExportPrepaymentAgreementJPMorganMember_019ff75a-d5ab-729f-ae52-a5f3ae40a8c3_terseLabel_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreement - JP Morgan</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementJPMorganMember_label_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreement - JP Morgan [Member]</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementJPMorganMember_documentation_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreement - JP Morgan - 6-month SOFR</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExportPrepaymentAgreementJPMorganMember" xlink:href="suz-20260630.xsd#suz_ExportPrepaymentAgreementJPMorganMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExportPrepaymentAgreementJPMorganMember" xlink:to="lab_suz_ExportPrepaymentAgreementJPMorganMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_VestingAxis_019ff75a-d50c-7a23-9245-44e9f4dc7672_terseLabel_en-US" xlink:label="lab_suz_VestingAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</link:label>
    <link:label id="lab_suz_VestingAxis_label_en-US" xlink:label="lab_suz_VestingAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</link:label>
    <link:label id="lab_suz_VestingAxis_documentation_en-US" xlink:label="lab_suz_VestingAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information by vesting schedule of award under share-based payment arrangement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_VestingAxis" xlink:href="suz-20260630.xsd#suz_VestingAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_VestingAxis" xlink:to="lab_suz_VestingAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TradeAccountsReceivablesLineItems_019ff75a-d3c2-7a16-8ad9-3c202609b868_terseLabel_en-US" xlink:label="lab_suz_TradeAccountsReceivablesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade Accounts Receivables [Line Items]</link:label>
    <link:label id="lab_suz_TradeAccountsReceivablesLineItems_label_en-US" xlink:label="lab_suz_TradeAccountsReceivablesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade Accounts Receivables [Line Items]</link:label>
    <link:label id="lab_suz_TradeAccountsReceivablesLineItems_documentation_en-US" xlink:label="lab_suz_TradeAccountsReceivablesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade Accounts Receivables [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TradeAccountsReceivablesLineItems" xlink:href="suz-20260630.xsd#suz_TradeAccountsReceivablesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TradeAccountsReceivablesLineItems" xlink:to="lab_suz_TradeAccountsReceivablesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CommodityDerivativesMember_019ff75a-d50c-7099-9c70-8efb2c3d5d1b_terseLabel_en-US" xlink:label="lab_suz_CommodityDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity Derivatives</link:label>
    <link:label id="lab_suz_CommodityDerivativesMember_label_en-US" xlink:label="lab_suz_CommodityDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commodity Derivatives [Member]</link:label>
    <link:label id="lab_suz_CommodityDerivativesMember_documentation_en-US" xlink:label="lab_suz_CommodityDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commodity Derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CommodityDerivativesMember" xlink:href="suz-20260630.xsd#suz_CommodityDerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CommodityDerivativesMember" xlink:to="lab_suz_CommodityDerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinancialExpensesInterestExpenseOnLeaseLiabilities_019ff75a-d484-77ff-b521-71f2b4c63428_negatedTerseLabel_en-US" xlink:label="lab_suz_FinancialExpensesInterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest expenses on lease liabilities (3)</link:label>
    <link:label id="lab_suz_FinancialExpensesInterestExpenseOnLeaseLiabilities_label_en-US" xlink:label="lab_suz_FinancialExpensesInterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Expenses, Interest Expense on Lease Liabilities</link:label>
    <link:label id="lab_suz_FinancialExpensesInterestExpenseOnLeaseLiabilities_documentation_en-US" xlink:label="lab_suz_FinancialExpensesInterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of financial expenses attributable to interest expense on lease liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinancialExpensesInterestExpenseOnLeaseLiabilities" xlink:href="suz-20260630.xsd#suz_FinancialExpensesInterestExpenseOnLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinancialExpensesInterestExpenseOnLeaseLiabilities" xlink:to="lab_suz_FinancialExpensesInterestExpenseOnLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_019ff75a-d484-7aa5-ac4f-2be56ebfaf01_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of provisions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsTable_019ff75a-d484-7217-945c-040bc8212640_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DescriptionOfBiometricTableOfGeneralMortalityForDisabledPersons_019ff75a-d5ab-77f2-a800-c6edccaf5a60_terseLabel_en-US" xlink:label="lab_suz_DescriptionOfBiometricTableOfGeneralMortalityForDisabledPersons" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description Of Biometric Table Of General Mortality For Disabled Persons</link:label>
    <link:label id="lab_suz_DescriptionOfBiometricTableOfGeneralMortalityForDisabledPersons_label_en-US" xlink:label="lab_suz_DescriptionOfBiometricTableOfGeneralMortalityForDisabledPersons" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Biometric Table Of General Mortality For Disabled Persons</link:label>
    <link:label id="lab_suz_DescriptionOfBiometricTableOfGeneralMortalityForDisabledPersons_documentation_en-US" xlink:label="lab_suz_DescriptionOfBiometricTableOfGeneralMortalityForDisabledPersons" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the biometric table of general mortality for disabled persons that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DescriptionOfBiometricTableOfGeneralMortalityForDisabledPersons" xlink:href="suz-20260630.xsd#suz_DescriptionOfBiometricTableOfGeneralMortalityForDisabledPersons"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DescriptionOfBiometricTableOfGeneralMortalityForDisabledPersons" xlink:to="lab_suz_DescriptionOfBiometricTableOfGeneralMortalityForDisabledPersons" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_March2025Member_019ff75a-d484-72e9-a044-2335dd245e86_terseLabel_en-US" xlink:label="lab_suz_March2025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">March 2025 [Member]</link:label>
    <link:label id="lab_suz_March2025Member_label_en-US" xlink:label="lab_suz_March2025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">March 2025 [Member]</link:label>
    <link:label id="lab_suz_March2025Member_documentation_en-US" xlink:label="lab_suz_March2025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">March 2025</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_March2025Member" xlink:href="suz-20260630.xsd#suz_March2025Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_March2025Member" xlink:to="lab_suz_March2025Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoPulpAndPaperEuropeS.aMember_019ff75a-d5ab-778b-bb67-d54cc646c10e_terseLabel_en-US" xlink:label="lab_suz_SuzanoPulpAndPaperEuropeS.aMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Pulp and Paper Europe S.A. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoPulpAndPaperEuropeS.aMember_label_en-US" xlink:label="lab_suz_SuzanoPulpAndPaperEuropeS.aMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Pulp and Paper Europe S.A.</link:label>
    <link:label id="lab_suz_SuzanoPulpAndPaperEuropeS.aMember_documentation_en-US" xlink:label="lab_suz_SuzanoPulpAndPaperEuropeS.aMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Pulp and Paper Europe S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoPulpAndPaperEuropeS.aMember" xlink:href="suz-20260630.xsd#suz_SuzanoPulpAndPaperEuropeS.aMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoPulpAndPaperEuropeS.aMember" xlink:to="lab_suz_SuzanoPulpAndPaperEuropeS.aMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LaterThanFiveYearsAndNotLaterThanSixYearsMember_019ff75a-d50c-707f-9c31-c335beded68c_terseLabel_en-US" xlink:label="lab_suz_LaterThanFiveYearsAndNotLaterThanSixYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Later than five years and not later than six years</link:label>
    <link:label id="lab_suz_LaterThanFiveYearsAndNotLaterThanSixYearsMember_label_en-US" xlink:label="lab_suz_LaterThanFiveYearsAndNotLaterThanSixYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than five years and not later than six years</link:label>
    <link:label id="lab_suz_LaterThanFiveYearsAndNotLaterThanSixYearsMember_documentation_en-US" xlink:label="lab_suz_LaterThanFiveYearsAndNotLaterThanSixYearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a time band of later than five years and not later than six years.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LaterThanFiveYearsAndNotLaterThanSixYearsMember" xlink:href="suz-20260630.xsd#suz_LaterThanFiveYearsAndNotLaterThanSixYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LaterThanFiveYearsAndNotLaterThanSixYearsMember" xlink:to="lab_suz_LaterThanFiveYearsAndNotLaterThanSixYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinanceIncomeBeforeExchangeDifferencesOnTranslation_019ff75a-d50c-731a-b85c-97b5f6b69a57_totalLabel_en-US" xlink:label="lab_suz_FinanceIncomeBeforeExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial income</link:label>
    <link:label id="lab_suz_FinanceIncomeBeforeExchangeDifferencesOnTranslation_label_en-US" xlink:label="lab_suz_FinanceIncomeBeforeExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Income, Before Exchange Differences on Translation</link:label>
    <link:label id="lab_suz_FinanceIncomeBeforeExchangeDifferencesOnTranslation_documentation_en-US" xlink:label="lab_suz_FinanceIncomeBeforeExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income associated with interest and other financing activities of the entity before gains (losses) on exchange differences.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinanceIncomeBeforeExchangeDifferencesOnTranslation" xlink:href="suz-20260630.xsd#suz_FinanceIncomeBeforeExchangeDifferencesOnTranslation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinanceIncomeBeforeExchangeDifferencesOnTranslation" xlink:to="lab_suz_FinanceIncomeBeforeExchangeDifferencesOnTranslation" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_HighRiskMember_019ff75a-d5ab-7a5e-a007-3e6d281ba3c9_terseLabel_en-US" xlink:label="lab_suz_HighRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">High Risk</link:label>
    <link:label id="lab_suz_HighRiskMember_label_en-US" xlink:label="lab_suz_HighRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">High Risk member</link:label>
    <link:label id="lab_suz_HighRiskMember_documentation_en-US" xlink:label="lab_suz_HighRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Entity's internal credit quality assessment of high risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_HighRiskMember" xlink:href="suz-20260630.xsd#suz_HighRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_HighRiskMember" xlink:to="lab_suz_HighRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfBasicEarningsLossesPerShareTableTextBlock_019ff75a-d50c-77e5-b1b2-5bac48a7fd0c_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfBasicEarningsLossesPerShareTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Basic Earnings (Losses) Per Share</link:label>
    <link:label id="lab_suz_ScheduleOfBasicEarningsLossesPerShareTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfBasicEarningsLossesPerShareTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Basic Earnings (Losses) Per Share [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfBasicEarningsLossesPerShareTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfBasicEarningsLossesPerShareTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the effect of income (loss) on basic earnings per share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfBasicEarningsLossesPerShareTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfBasicEarningsLossesPerShareTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfBasicEarningsLossesPerShareTableTextBlock" xlink:to="lab_suz_ScheduleOfBasicEarningsLossesPerShareTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoVenturesLlcMember_019ff75a-d50c-7bdb-808e-20e289ef2ef8_terseLabel_en-US" xlink:label="lab_suz_SuzanoVenturesLlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Ventures LLC (Direct)</link:label>
    <link:label id="lab_suz_SuzanoVenturesLlcMember_label_en-US" xlink:label="lab_suz_SuzanoVenturesLlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Ventures LLC</link:label>
    <link:label id="lab_suz_SuzanoVenturesLlcMember_documentation_en-US" xlink:label="lab_suz_SuzanoVenturesLlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Ventures LLC.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoVenturesLlcMember" xlink:href="suz-20260630.xsd#suz_SuzanoVenturesLlcMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoVenturesLlcMember" xlink:to="lab_suz_SuzanoVenturesLlcMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember_019ff75a-d5ab-705a-9495-e4720df03799_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial assumption of medical cost trend rates [member]</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial assumption of medical cost trend rates [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:to="lab_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EquityReserveBalance_019ff75a-d5ab-7dc8-bec3-7c88d6c3d1cc_terseLabel_en-US" xlink:label="lab_suz_EquityReserveBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity, reserve balance</link:label>
    <link:label id="lab_suz_EquityReserveBalance_label_en-US" xlink:label="lab_suz_EquityReserveBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity, Reserve Balance</link:label>
    <link:label id="lab_suz_EquityReserveBalance_documentation_en-US" xlink:label="lab_suz_EquityReserveBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity, Reserve Balance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EquityReserveBalance" xlink:href="suz-20260630.xsd#suz_EquityReserveBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EquityReserveBalance" xlink:to="lab_suz_EquityReserveBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PaperSegmentMember_019ff75a-d484-7baf-a80c-971105e16821_terseLabel_en-US" xlink:label="lab_suz_PaperSegmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Paper</link:label>
    <link:label id="lab_suz_PaperSegmentMember_label_en-US" xlink:label="lab_suz_PaperSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Paper Segment [Member]</link:label>
    <link:label id="lab_suz_PaperSegmentMember_documentation_en-US" xlink:label="lab_suz_PaperSegmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for paper segment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaperSegmentMember" xlink:href="suz-20260630.xsd#suz_PaperSegmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaperSegmentMember" xlink:to="lab_suz_PaperSegmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionMatrixTable_019ff75a-d50c-7df8-9b34-7609bc05917b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionMatrixTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of provision matrix [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionMatrixTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProvisionMatrixTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionMatrixTable" xlink:to="lab_ifrs-full_DisclosureOfProvisionMatrixTable" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CondensedStatementOfIncomeCaptionsLineItems_019ff75a-d5ab-7267-9009-09b1c8f2758b_terseLabel_en-US" xlink:label="lab_srt_CondensedStatementOfIncomeCaptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Condensed Statement of Income Captions [Line Items]</link:label>
    <link:label id="lab_srt_CondensedStatementOfIncomeCaptionsLineItems_label_en-US" xlink:label="lab_srt_CondensedStatementOfIncomeCaptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Condensed Statement of Income Captions [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedStatementOfIncomeCaptionsLineItems" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedStatementOfIncomeCaptionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CondensedStatementOfIncomeCaptionsLineItems" xlink:to="lab_srt_CondensedStatementOfIncomeCaptionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EmployeeRelatedLiabilitiesCurrent_019ff75a-d484-74a8-89a0-2b17478b5859_terseLabel_en-US" xlink:label="lab_suz_EmployeeRelatedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payroll and charges</link:label>
    <link:label id="lab_suz_EmployeeRelatedLiabilitiesCurrent_label_en-US" xlink:label="lab_suz_EmployeeRelatedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee-related Liabilities, Current</link:label>
    <link:label id="lab_suz_EmployeeRelatedLiabilitiesCurrent_documentation_en-US" xlink:label="lab_suz_EmployeeRelatedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EmployeeRelatedLiabilitiesCurrent" xlink:href="suz-20260630.xsd#suz_EmployeeRelatedLiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EmployeeRelatedLiabilitiesCurrent" xlink:to="lab_suz_EmployeeRelatedLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalBreakdownByMaturityNonCurrentMember_019ff75a-d5ab-7637-9c0f-b625f62c8069_terseLabel_en-US" xlink:label="lab_suz_TotalBreakdownByMaturityNonCurrentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Breakdown by maturity - non-current</link:label>
    <link:label id="lab_suz_TotalBreakdownByMaturityNonCurrentMember_label_en-US" xlink:label="lab_suz_TotalBreakdownByMaturityNonCurrentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Breakdown by maturity - non-current [Member]</link:label>
    <link:label id="lab_suz_TotalBreakdownByMaturityNonCurrentMember_documentation_en-US" xlink:label="lab_suz_TotalBreakdownByMaturityNonCurrentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Breakdown by maturity - non-current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalBreakdownByMaturityNonCurrentMember" xlink:href="suz-20260630.xsd#suz_TotalBreakdownByMaturityNonCurrentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalBreakdownByMaturityNonCurrentMember" xlink:to="lab_suz_TotalBreakdownByMaturityNonCurrentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentInterestPayable_019ff75a-d484-7e6b-be31-b8a7ba8d4c53_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentInterestPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest on financing</link:label>
    <link:label id="lab_ifrs-full_CurrentInterestPayable_label_en-US" xlink:label="lab_ifrs-full_CurrentInterestPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current interest payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentInterestPayable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentInterestPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentInterestPayable" xlink:to="lab_ifrs-full_CurrentInterestPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_019ff75a-d50c-771d-a727-4b709446733c_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_country_BR_019ff75a-d3c2-7edf-96b1-db8a968eb96b_terseLabel_en-US" xlink:label="lab_country_BR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BRAZIL</link:label>
    <link:label id="lab_country_BR_label_en-US" xlink:label="lab_country_BR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BRAZIL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_BR" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_BR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_BR" xlink:to="lab_country_BR" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember_019ff75a-d484-7271-b60b-50e586cd4813_terseLabel_en-US" xlink:label="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer portfolio</link:label>
    <link:label id="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember_label_en-US" xlink:label="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer-related intangible assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CustomerrelatedIntangibleAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:to="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermDeposits_019ff75a-d484-7c28-855d-c0802794f69d_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Judicial deposits</link:label>
    <link:label id="lab_ifrs-full_LongtermDeposits_label_en-US" xlink:label="lab_ifrs-full_LongtermDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermDeposits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermDeposits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermDeposits" xlink:to="lab_ifrs-full_LongtermDeposits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain_019ff75a-d50c-70cf-8878-e42dd3fde43e_terseLabel_en-US" xlink:label="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Characteristics of defined benefit plans [domain]</link:label>
    <link:label id="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain_label_en-US" xlink:label="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Characteristics of defined benefit plans [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain" xlink:to="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExportCreditsExportPrepaymentMember_019ff75a-d484-7df9-8279-2e5043fa2da9_terseLabel_en-US" xlink:label="lab_suz_ExportCreditsExportPrepaymentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Export credits (&#8220;export prepayments&#8221;)</link:label>
    <link:label id="lab_suz_ExportCreditsExportPrepaymentMember_label_en-US" xlink:label="lab_suz_ExportCreditsExportPrepaymentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Export credits ("export prepayment") [Member]</link:label>
    <link:label id="lab_suz_ExportCreditsExportPrepaymentMember_documentation_en-US" xlink:label="lab_suz_ExportCreditsExportPrepaymentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for export credits ("Pre payment").</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExportCreditsExportPrepaymentMember" xlink:href="suz-20260630.xsd#suz_ExportCreditsExportPrepaymentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExportCreditsExportPrepaymentMember" xlink:to="lab_suz_ExportCreditsExportPrepaymentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfMortalityRatesMember_019ff75a-d50c-7543-b5ae-3496512fbeaa_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfMortalityRatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial assumption of mortality rates [member]</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfMortalityRatesMember_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfMortalityRatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial assumption of mortality rates [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionOfMortalityRatesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfMortalityRatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfMortalityRatesMember" xlink:to="lab_ifrs-full_ActuarialAssumptionOfMortalityRatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ReductionInCarryingAmountOfLoansAndFinancingDueToRepaymentsOfPrincipal_019ff75a-d484-7ba6-88ac-1f0f9081aef2_terseLabel_en-US" xlink:label="lab_suz_ReductionInCarryingAmountOfLoansAndFinancingDueToRepaymentsOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Settlement of principal</link:label>
    <link:label id="lab_suz_ReductionInCarryingAmountOfLoansAndFinancingDueToRepaymentsOfPrincipal_label_en-US" xlink:label="lab_suz_ReductionInCarryingAmountOfLoansAndFinancingDueToRepaymentsOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reduction In Carrying Amount Of Loans And Financing Due To Repayments Of Principal</link:label>
    <link:label id="lab_suz_ReductionInCarryingAmountOfLoansAndFinancingDueToRepaymentsOfPrincipal_documentation_en-US" xlink:label="lab_suz_ReductionInCarryingAmountOfLoansAndFinancingDueToRepaymentsOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The reduction in the carrying amount of debt due to repayments of principal during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ReductionInCarryingAmountOfLoansAndFinancingDueToRepaymentsOfPrincipal" xlink:href="suz-20260630.xsd#suz_ReductionInCarryingAmountOfLoansAndFinancingDueToRepaymentsOfPrincipal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ReductionInCarryingAmountOfLoansAndFinancingDueToRepaymentsOfPrincipal" xlink:to="lab_suz_ReductionInCarryingAmountOfLoansAndFinancingDueToRepaymentsOfPrincipal" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod_019ff75a-d5ab-7552-bf87-debf72a3176f_terseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments accounted for using equity method</link:label>
    <link:label id="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments accounted for using equity method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalDeferredTaxAssetsMember_019ff75a-d484-73e8-a451-f6d70189987b_terseLabel_en-US" xlink:label="lab_suz_TotalDeferredTaxAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax assets</link:label>
    <link:label id="lab_suz_TotalDeferredTaxAssetsMember_label_en-US" xlink:label="lab_suz_TotalDeferredTaxAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total deferred tax assets [Member]</link:label>
    <link:label id="lab_suz_TotalDeferredTaxAssetsMember_documentation_en-US" xlink:label="lab_suz_TotalDeferredTaxAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalDeferredTaxAssetsMember" xlink:href="suz-20260630.xsd#suz_TotalDeferredTaxAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalDeferredTaxAssetsMember" xlink:to="lab_suz_TotalDeferredTaxAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentPayablesToTradeSuppliers_019ff75a-d50c-71c6-8430-8fa6dd8ae5e8_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current trade payables</link:label>
    <link:label id="lab_ifrs-full_NoncurrentPayablesToTradeSuppliers_label_en-US" xlink:label="lab_ifrs-full_NoncurrentPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current trade payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentPayablesToTradeSuppliers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentPayablesToTradeSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentPayablesToTradeSuppliers" xlink:to="lab_ifrs-full_NoncurrentPayablesToTradeSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RightOfUseAssetAccumulatedAmortization_019ff75a-d5ab-763c-b84b-ed432ecb4f9b_negatedTerseLabel_en-US" xlink:label="lab_suz_RightOfUseAssetAccumulatedAmortization" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depreciation (1)</link:label>
    <link:label id="lab_suz_RightOfUseAssetAccumulatedAmortization_label_en-US" xlink:label="lab_suz_RightOfUseAssetAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-of-Use Asset, Accumulated Amortization</link:label>
    <link:label id="lab_suz_RightOfUseAssetAccumulatedAmortization_documentation_en-US" xlink:label="lab_suz_RightOfUseAssetAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of accumulated amortization of right-of-use asset from leases.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RightOfUseAssetAccumulatedAmortization" xlink:href="suz-20260630.xsd#suz_RightOfUseAssetAccumulatedAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RightOfUseAssetAccumulatedAmortization" xlink:to="lab_suz_RightOfUseAssetAccumulatedAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SummaryOfTaxCreditCarryforwardsTableTextBlock_019ff75a-d484-75e4-b140-ef852e86eb12_terseLabel_en-US" xlink:label="lab_suz_SummaryOfTaxCreditCarryforwardsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Tax Credit Carryforwards</link:label>
    <link:label id="lab_suz_SummaryOfTaxCreditCarryforwardsTableTextBlock_label_en-US" xlink:label="lab_suz_SummaryOfTaxCreditCarryforwardsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of Tax Credit Carryforwards [Table Text Block]</link:label>
    <link:label id="lab_suz_SummaryOfTaxCreditCarryforwardsTableTextBlock_documentation_en-US" xlink:label="lab_suz_SummaryOfTaxCreditCarryforwardsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of tax credit carryforwards available to reduce future taxable income, including amounts, expiration dates, limitations on use and the related deferred tax assets and valuation allowances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SummaryOfTaxCreditCarryforwardsTableTextBlock" xlink:href="suz-20260630.xsd#suz_SummaryOfTaxCreditCarryforwardsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SummaryOfTaxCreditCarryforwardsTableTextBlock" xlink:to="lab_suz_SummaryOfTaxCreditCarryforwardsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PurchasePriceOfAcquiredOwnershipInterestCashConsideration_019ff75a-d5ab-7fc3-9db4-052658ac76bf_terseLabel_en-US" xlink:label="lab_suz_PurchasePriceOfAcquiredOwnershipInterestCashConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase price of acquired ownership interest, cash consideration</link:label>
    <link:label id="lab_suz_PurchasePriceOfAcquiredOwnershipInterestCashConsideration_label_en-US" xlink:label="lab_suz_PurchasePriceOfAcquiredOwnershipInterestCashConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase price of acquired ownership interest, cash consideration</link:label>
    <link:label id="lab_suz_PurchasePriceOfAcquiredOwnershipInterestCashConsideration_documentation_en-US" xlink:label="lab_suz_PurchasePriceOfAcquiredOwnershipInterestCashConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase price of acquired ownership interest, cash consideration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PurchasePriceOfAcquiredOwnershipInterestCashConsideration" xlink:href="suz-20260630.xsd#suz_PurchasePriceOfAcquiredOwnershipInterestCashConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PurchasePriceOfAcquiredOwnershipInterestCashConsideration" xlink:to="lab_suz_PurchasePriceOfAcquiredOwnershipInterestCashConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingCostsIncurred_019ff75a-d50c-7696-8f11-529465e7d2af_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingCostsIncurred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest accrued</link:label>
    <link:label id="lab_ifrs-full_BorrowingCostsIncurred_label_en-US" xlink:label="lab_ifrs-full_BorrowingCostsIncurred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing costs incurred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingCostsIncurred" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingCostsIncurred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingCostsIncurred" xlink:to="lab_ifrs-full_BorrowingCostsIncurred" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughUnrealizedProfitOnInventoriesDeferredTaxLiabilityAsset_019ff75a-d484-7736-ba93-dded0e33a2d9_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughUnrealizedProfitOnInventoriesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized profit on inventories</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughUnrealizedProfitOnInventoriesDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughUnrealizedProfitOnInventoriesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Unrealized Profit on Inventories, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughUnrealizedProfitOnInventoriesDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughUnrealizedProfitOnInventoriesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from unrealized profit on inventories.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughUnrealizedProfitOnInventoriesDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughUnrealizedProfitOnInventoriesDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughUnrealizedProfitOnInventoriesDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughUnrealizedProfitOnInventoriesDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_019ff75a-d5ab-7049-b0e9-39f230cf3739_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Transactions Between Related Parties [Line Items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentsForDecreaseIncreaseInRecoverableTaxes_019ff75a-d3c2-75fd-b594-d20a80f3cbd2_terseLabel_en-US" xlink:label="lab_suz_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recoverable taxes</link:label>
    <link:label id="lab_suz_AdjustmentsForDecreaseIncreaseInRecoverableTaxes_label_en-US" xlink:label="lab_suz_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For (Decrease) Increase In Recoverable Taxes</link:label>
    <link:label id="lab_suz_AdjustmentsForDecreaseIncreaseInRecoverableTaxes_documentation_en-US" xlink:label="lab_suz_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in recoverable taxes to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:href="suz-20260630.xsd#suz_AdjustmentsForDecreaseIncreaseInRecoverableTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:to="lab_suz_AdjustmentsForDecreaseIncreaseInRecoverableTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAbstract_019ff75a-d50c-7775-bc01-e21222fc95de_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income (loss)</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_country_CA_019ff75a-d5ab-7daa-ba13-776d662a8884_terseLabel_en-US" xlink:label="lab_country_CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CANADA</link:label>
    <link:label id="lab_country_CA_label_en-US" xlink:label="lab_country_CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CANADA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_CA" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CA" xlink:to="lab_country_CA" xlink:type="arc" order="1"/>
    <link:label id="lab_country_CH_019ff75a-d484-7bd0-aa86-bf1d3c06eb8f_terseLabel_en-US" xlink:label="lab_country_CH" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SWITZERLAND</link:label>
    <link:label id="lab_country_CH_label_en-US" xlink:label="lab_country_CH" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SWITZERLAND</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_CH" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CH"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CH" xlink:to="lab_country_CH" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DeferredSocialContributionTax_019ff75a-d50c-74bb-93aa-3ace88331aa8_terseLabel_en-US" xlink:label="lab_suz_DeferredSocialContributionTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred</link:label>
    <link:label id="lab_suz_DeferredSocialContributionTax_label_en-US" xlink:label="lab_suz_DeferredSocialContributionTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Social Contribution Tax</link:label>
    <link:label id="lab_suz_DeferredSocialContributionTax_documentation_en-US" xlink:label="lab_suz_DeferredSocialContributionTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of deferred social contribution tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DeferredSocialContributionTax" xlink:href="suz-20260630.xsd#suz_DeferredSocialContributionTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DeferredSocialContributionTax" xlink:to="lab_suz_DeferredSocialContributionTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_019ff75a-d484-7723-931d-d39754be9d8c_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:to="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherCapitalReservesMember_019ff75a-d50c-7db4-80b9-48ddec6b583d_terseLabel_en-US" xlink:label="lab_suz_OtherCapitalReservesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital reserve</link:label>
    <link:label id="lab_suz_OtherCapitalReservesMember_label_en-US" xlink:label="lab_suz_OtherCapitalReservesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other capital reserves [Member]</link:label>
    <link:label id="lab_suz_OtherCapitalReservesMember_documentation_en-US" xlink:label="lab_suz_OtherCapitalReservesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other capital reserves.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherCapitalReservesMember" xlink:href="suz-20260630.xsd#suz_OtherCapitalReservesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherCapitalReservesMember" xlink:to="lab_suz_OtherCapitalReservesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PaperMember_019ff75a-d50c-7237-84e4-18ddffe4b9ce_terseLabel_en-US" xlink:label="lab_suz_PaperMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Paper</link:label>
    <link:label id="lab_suz_PaperMember_label_en-US" xlink:label="lab_suz_PaperMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Paper products</link:label>
    <link:label id="lab_suz_PaperMember_documentation_en-US" xlink:label="lab_suz_PaperMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for paper products.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaperMember" xlink:href="suz-20260630.xsd#suz_PaperMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaperMember" xlink:to="lab_suz_PaperMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ComponentOfOtherOperatingExpensesRelatedToSPAClosingConditionsMember_019ff75a-d50c-7bd8-b33f-04b00b522e10_terseLabel_en-US" xlink:label="lab_suz_ComponentOfOtherOperatingExpensesRelatedToSPAClosingConditionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Component Of Other Operating Expenses Related To SPA ClosingConditions</link:label>
    <link:label id="lab_suz_ComponentOfOtherOperatingExpensesRelatedToSPAClosingConditionsMember_label_en-US" xlink:label="lab_suz_ComponentOfOtherOperatingExpensesRelatedToSPAClosingConditionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Component Of Other Operating Expenses Related To SPA ClosingConditions [Member]</link:label>
    <link:label id="lab_suz_ComponentOfOtherOperatingExpensesRelatedToSPAClosingConditionsMember_documentation_en-US" xlink:label="lab_suz_ComponentOfOtherOperatingExpensesRelatedToSPAClosingConditionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Component of other operating expenses &#8211; SPA closing conditions (Spinnova Plc)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ComponentOfOtherOperatingExpensesRelatedToSPAClosingConditionsMember" xlink:href="suz-20260630.xsd#suz_ComponentOfOtherOperatingExpensesRelatedToSPAClosingConditionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ComponentOfOtherOperatingExpensesRelatedToSPAClosingConditionsMember" xlink:to="lab_suz_ComponentOfOtherOperatingExpensesRelatedToSPAClosingConditionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_019ff75a-d484-748d-b290-56cecdf9a8cb_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current financial assets at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current financial assets at fair value through other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ItacelTerminalDeCeluloseDeItaquiS.a.Member_019ff75a-d5ab-7501-957d-810af653ef3d_terseLabel_en-US" xlink:label="lab_suz_ItacelTerminalDeCeluloseDeItaquiS.a.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Itacel - Terminal de Celulose de Itaqui S.A. (Indirect)</link:label>
    <link:label id="lab_suz_ItacelTerminalDeCeluloseDeItaquiS.a.Member_label_en-US" xlink:label="lab_suz_ItacelTerminalDeCeluloseDeItaquiS.a.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Itacel - Terminal de Celulose de Itaqui S.A.</link:label>
    <link:label id="lab_suz_ItacelTerminalDeCeluloseDeItaquiS.a.Member_documentation_en-US" xlink:label="lab_suz_ItacelTerminalDeCeluloseDeItaquiS.a.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Itacel - Terminal de Celulose de Itaqui S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ItacelTerminalDeCeluloseDeItaquiS.a.Member" xlink:href="suz-20260630.xsd#suz_ItacelTerminalDeCeluloseDeItaquiS.a.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ItacelTerminalDeCeluloseDeItaquiS.a.Member" xlink:to="lab_suz_ItacelTerminalDeCeluloseDeItaquiS.a.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DefinedContributionPlanEmployeeContributionsMaximumPercentageOfSalary_019ff75a-d3c2-7c1a-af68-bdc2b98abcab_terseLabel_en-US" xlink:label="lab_suz_DefinedContributionPlanEmployeeContributionsMaximumPercentageOfSalary" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Employee Contributions, Maximum Percentage of Salary</link:label>
    <link:label id="lab_suz_DefinedContributionPlanEmployeeContributionsMaximumPercentageOfSalary_label_en-US" xlink:label="lab_suz_DefinedContributionPlanEmployeeContributionsMaximumPercentageOfSalary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Employee Contributions, Maximum Percentage of Salary</link:label>
    <link:label id="lab_suz_DefinedContributionPlanEmployeeContributionsMaximumPercentageOfSalary_documentation_en-US" xlink:label="lab_suz_DefinedContributionPlanEmployeeContributionsMaximumPercentageOfSalary" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum percentage of salary an employee may choose to invest in the pension plan.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DefinedContributionPlanEmployeeContributionsMaximumPercentageOfSalary" xlink:href="suz-20260630.xsd#suz_DefinedContributionPlanEmployeeContributionsMaximumPercentageOfSalary"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DefinedContributionPlanEmployeeContributionsMaximumPercentageOfSalary" xlink:to="lab_suz_DefinedContributionPlanEmployeeContributionsMaximumPercentageOfSalary" xlink:type="arc" order="1"/>
    <link:label id="lab_country_CN_019ff75a-d50c-74df-957c-baf50481d2e9_terseLabel_en-US" xlink:label="lab_country_CN" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CHINA</link:label>
    <link:label id="lab_country_CN_label_en-US" xlink:label="lab_country_CN" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CHINA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_CN" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CN"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CN" xlink:to="lab_country_CN" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAdvances_019ff75a-d484-74a7-bf20-b49bd60071ab_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAdvances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances from customers</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAdvances_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAdvances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current advances received, representing non-current contract liabilities for performance obligations satisfied at point in time</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAdvances" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAdvances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAdvances" xlink:to="lab_ifrs-full_NoncurrentAdvances" xlink:type="arc" order="1"/>
    <link:label id="lab_country_AR_019ff75a-d484-73ec-83f1-e488eb711b40_terseLabel_en-US" xlink:label="lab_country_AR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ARGENTINA</link:label>
    <link:label id="lab_country_AR_label_en-US" xlink:label="lab_country_AR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ARGENTINA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_AR" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_AR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_AR" xlink:to="lab_country_AR" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FuturageneIsraelLtd.Member_019ff75a-d50c-7307-84c1-2f9bee7df974_terseLabel_en-US" xlink:label="lab_suz_FuturageneIsraelLtd.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FuturaGene Israel Ltda. (Indirect)</link:label>
    <link:label id="lab_suz_FuturageneIsraelLtd.Member_label_en-US" xlink:label="lab_suz_FuturageneIsraelLtd.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FuturaGene Israel Ltd.</link:label>
    <link:label id="lab_suz_FuturageneIsraelLtd.Member_documentation_en-US" xlink:label="lab_suz_FuturageneIsraelLtd.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for FuturaGene Israel Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FuturageneIsraelLtd.Member" xlink:href="suz-20260630.xsd#suz_FuturageneIsraelLtd.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FuturageneIsraelLtd.Member" xlink:to="lab_suz_FuturageneIsraelLtd.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain_019ff75a-d5ab-7bc3-b8d8-c541de47ca08_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxAcceleratedDepreciationMember_019ff75a-d484-7c9b-8972-0f9a56d2348b_terseLabel_en-US" xlink:label="lab_suz_TaxAcceleratedDepreciationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation for tax-incentive reason</link:label>
    <link:label id="lab_suz_TaxAcceleratedDepreciationMember_label_en-US" xlink:label="lab_suz_TaxAcceleratedDepreciationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accelerated tax depreciation</link:label>
    <link:label id="lab_suz_TaxAcceleratedDepreciationMember_documentation_en-US" xlink:label="lab_suz_TaxAcceleratedDepreciationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Tax accelerated depreciation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxAcceleratedDepreciationMember" xlink:href="suz-20260630.xsd#suz_TaxAcceleratedDepreciationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxAcceleratedDepreciationMember" xlink:to="lab_suz_TaxAcceleratedDepreciationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DecreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsDueToRecoveryOfCredits_019ff75a-d484-718b-be5b-a873d30c83ca_terseLabel_en-US" xlink:label="lab_suz_DecreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsDueToRecoveryOfCredits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease In Provision For Impairment Of Value Added Tax On Sales And Services Credits Due To Recovery Of Credits</link:label>
    <link:label id="lab_suz_DecreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsDueToRecoveryOfCredits_label_en-US" xlink:label="lab_suz_DecreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsDueToRecoveryOfCredits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease In Provision For Impairment Of Value Added Tax On Sales And Services Credits Due To Recovery Of Credits</link:label>
    <link:label id="lab_suz_DecreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsDueToRecoveryOfCredits_documentation_en-US" xlink:label="lab_suz_DecreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsDueToRecoveryOfCredits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of reversal in provision for impairment of value added tax on sales and services credits recognized during the year due to recovery of credits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DecreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsDueToRecoveryOfCredits" xlink:href="suz-20260630.xsd#suz_DecreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsDueToRecoveryOfCredits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DecreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsDueToRecoveryOfCredits" xlink:to="lab_suz_DecreaseInProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsDueToRecoveryOfCredits" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Term3YearMember_019ff75a-d5ab-79d0-9aab-5b96fbb81817_terseLabel_en-US" xlink:label="lab_suz_Term3YearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term, 3 year</link:label>
    <link:label id="lab_suz_Term3YearMember_label_en-US" xlink:label="lab_suz_Term3YearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term, 3 year [Member]</link:label>
    <link:label id="lab_suz_Term3YearMember_documentation_en-US" xlink:label="lab_suz_Term3YearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivative instrument maturities of three years.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Term3YearMember" xlink:href="suz-20260630.xsd#suz_Term3YearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Term3YearMember" xlink:to="lab_suz_Term3YearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherInvestmentsMember_019ff75a-d50c-7746-9940-5abe1aaa4d39_terseLabel_en-US" xlink:label="lab_suz_OtherInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other investments</link:label>
    <link:label id="lab_suz_OtherInvestmentsMember_label_en-US" xlink:label="lab_suz_OtherInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other investments member</link:label>
    <link:label id="lab_suz_OtherInvestmentsMember_documentation_en-US" xlink:label="lab_suz_OtherInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other investments evaluated at fair value through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherInvestmentsMember" xlink:href="suz-20260630.xsd#suz_OtherInvestmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherInvestmentsMember" xlink:to="lab_suz_OtherInvestmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceIncome_019ff75a-d50c-7c07-bb6b-59137de2da19_terseLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance income</link:label>
    <link:label id="lab_ifrs-full_FinanceIncome_label_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncome" xlink:to="lab_ifrs-full_FinanceIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis_019ff75a-d5ab-748b-82c5-f7c92a31139e_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_country_AT_019ff75a-d50c-713a-8b9c-e4d7b3b898db_terseLabel_en-US" xlink:label="lab_country_AT" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AUSTRIA</link:label>
    <link:label id="lab_country_AT_label_en-US" xlink:label="lab_country_AT" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AUSTRIA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_AT" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_AT"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_AT" xlink:to="lab_country_AT" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain_019ff75a-d484-7fea-9d27-5d0ae6caa722_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LossContingencyEstimateOfPossibleLoss_019ff75a-d484-7b17-bcb6-12b7c08d0ac4_terseLabel_en-US" xlink:label="lab_suz_LossContingencyEstimateOfPossibleLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss Contingency, Estimate of Possible Loss</link:label>
    <link:label id="lab_suz_LossContingencyEstimateOfPossibleLoss_label_en-US" xlink:label="lab_suz_LossContingencyEstimateOfPossibleLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency, Estimate of Possible Loss</link:label>
    <link:label id="lab_suz_LossContingencyEstimateOfPossibleLoss_documentation_en-US" xlink:label="lab_suz_LossContingencyEstimateOfPossibleLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LossContingencyEstimateOfPossibleLoss" xlink:href="suz-20260630.xsd#suz_LossContingencyEstimateOfPossibleLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LossContingencyEstimateOfPossibleLoss" xlink:to="lab_suz_LossContingencyEstimateOfPossibleLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_019ff75a-d484-7a96-8528-640b649c190f_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, adjustment to interest rate basis</link:label>
    <link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, adjustment to interest rate basis</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsAdjustmentToInterestRateBasis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:to="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome_019ff75a-d50c-74a6-9c74-52dfbfdf900d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Tax effect on the fair value of investments</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to investments in equity instruments included in other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_019ff75a-d484-7789-8cbe-372e72c1553a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_019ff75a-d484-7a9b-9697-041acb466a6a_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Capital increase in affiliates</link:label>
    <link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_December2029Member_019ff75a-d5ab-762a-b4c0-5ab12b897b39_terseLabel_en-US" xlink:label="lab_suz_December2029Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">December 2029</link:label>
    <link:label id="lab_suz_December2029Member_label_en-US" xlink:label="lab_suz_December2029Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">December 2029 [Member]</link:label>
    <link:label id="lab_suz_December2029Member_documentation_en-US" xlink:label="lab_suz_December2029Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">December 2029</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_December2029Member" xlink:href="suz-20260630.xsd#suz_December2029Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_December2029Member" xlink:to="lab_suz_December2029Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets_019ff75a-d5ab-7472-80e0-e66e0a206dd4_negatedTerseLabel_en-US" xlink:label="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net result on disposal and write-off of non-current assets</link:label>
    <link:label id="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets_019ff75a-d5ab-7895-b5e4-1c8fcad420b7_terseLabel_en-US" xlink:label="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Operating Income (Expense) from Disposal of Property, Plant and Equipment and Biological Assets</link:label>
    <link:label id="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets_label_en-US" xlink:label="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Income (Expense) from Disposal of Property, Plant and Equipment and Biological Assets</link:label>
    <link:label id="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets_documentation_en-US" xlink:label="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other operating (expenses) income from disposal of property, plant and equipment and biological assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets" xlink:href="suz-20260630.xsd#suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets" xlink:to="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfPropertyPlantAndEquipmentAndBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PossibleLossesMember_019ff75a-d50c-7285-874c-c52305408b2e_terseLabel_en-US" xlink:label="lab_suz_PossibleLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Possible losses</link:label>
    <link:label id="lab_suz_PossibleLossesMember_label_en-US" xlink:label="lab_suz_PossibleLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Possible losses [Member]</link:label>
    <link:label id="lab_suz_PossibleLossesMember_documentation_en-US" xlink:label="lab_suz_PossibleLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a scenario of possible losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PossibleLossesMember" xlink:href="suz-20260630.xsd#suz_PossibleLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PossibleLossesMember" xlink:to="lab_suz_PossibleLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019ff75a-d484-774e-8fd9-9dcc1ead9765_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Present value of liabilities</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019ff75a-d484-74fb-b736-c0b2697afaf2_periodStartLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening Balance</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019ff75a-d484-7011-bfea-7b52866d3869_periodEndLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing Balance</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilities" xlink:to="lab_ifrs-full_LeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EarlyFinanceTerminationCost_019ff75a-d5ab-7a30-bd4c-e60caa98be35_terseLabel_en-US" xlink:label="lab_suz_EarlyFinanceTerminationCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Early finance termination cost</link:label>
    <link:label id="lab_suz_EarlyFinanceTerminationCost_label_en-US" xlink:label="lab_suz_EarlyFinanceTerminationCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Early Finance Termination Cost</link:label>
    <link:label id="lab_suz_EarlyFinanceTerminationCost_documentation_en-US" xlink:label="lab_suz_EarlyFinanceTerminationCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Early Finance Termination Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EarlyFinanceTerminationCost" xlink:href="suz-20260630.xsd#suz_EarlyFinanceTerminationCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EarlyFinanceTerminationCost" xlink:to="lab_suz_EarlyFinanceTerminationCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EcoinvestMember_019ff75a-d50c-7175-9d47-781087f79a70_terseLabel_en-US" xlink:label="lab_suz_EcoinvestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ecoinvest</link:label>
    <link:label id="lab_suz_EcoinvestMember_label_en-US" xlink:label="lab_suz_EcoinvestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ecoinvest [Member]</link:label>
    <link:label id="lab_suz_EcoinvestMember_documentation_en-US" xlink:label="lab_suz_EcoinvestMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ecoinvest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EcoinvestMember" xlink:href="suz-20260630.xsd#suz_EcoinvestMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EcoinvestMember" xlink:to="lab_suz_EcoinvestMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_019ff75a-d50c-765f-96ba-c1a6c318c727_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) through treasury share transactions, equity</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through treasury share transactions, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ShareExercisedPricePaidPerShare_019ff75a-d50c-72fa-b7a8-c6d34c70b2c0_terseLabel_en-US" xlink:label="lab_suz_ShareExercisedPricePaidPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercised</link:label>
    <link:label id="lab_suz_ShareExercisedPricePaidPerShare_label_en-US" xlink:label="lab_suz_ShareExercisedPricePaidPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Exercised, Price Paid Per Share</link:label>
    <link:label id="lab_suz_ShareExercisedPricePaidPerShare_documentation_en-US" xlink:label="lab_suz_ShareExercisedPricePaidPerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The price paid per share to purchase the targeted number of shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ShareExercisedPricePaidPerShare" xlink:href="suz-20260630.xsd#suz_ShareExercisedPricePaidPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ShareExercisedPricePaidPerShare" xlink:to="lab_suz_ShareExercisedPricePaidPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationNoncurrent_019ff75a-d5ab-75f4-abe0-d93d91f433c5_totalLabel_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationNoncurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Long-term benefits</link:label>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationNoncurrent_label_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation Noncurrent</link:label>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationNoncurrent_documentation_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationNoncurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of compensation to key management personnel, classified as noncurrent.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_KeyManagementPersonnelCompensationNoncurrent" xlink:href="suz-20260630.xsd#suz_KeyManagementPersonnelCompensationNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_KeyManagementPersonnelCompensationNoncurrent" xlink:to="lab_suz_KeyManagementPersonnelCompensationNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentForOperatingCosts_019ff75a-d484-7d7c-8047-5d9b28491b1f_terseLabel_en-US" xlink:label="lab_suz_AdjustmentForOperatingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment for operating costs</link:label>
    <link:label id="lab_suz_AdjustmentForOperatingCosts_label_en-US" xlink:label="lab_suz_AdjustmentForOperatingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment for operating costs</link:label>
    <link:label id="lab_suz_AdjustmentForOperatingCosts_documentation_en-US" xlink:label="lab_suz_AdjustmentForOperatingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment for operating costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentForOperatingCosts" xlink:href="suz-20260630.xsd#suz_AdjustmentForOperatingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentForOperatingCosts" xlink:to="lab_suz_AdjustmentForOperatingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GrantYear2021Member_019ff75a-d484-7f02-a01d-f21852cf2593_terseLabel_en-US" xlink:label="lab_suz_GrantYear2021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Year 2021</link:label>
    <link:label id="lab_suz_GrantYear2021Member_label_en-US" xlink:label="lab_suz_GrantYear2021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Year 2021 [Member]</link:label>
    <link:label id="lab_suz_GrantYear2021Member_documentation_en-US" xlink:label="lab_suz_GrantYear2021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Year 2021</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GrantYear2021Member" xlink:href="suz-20260630.xsd#suz_GrantYear2021Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GrantYear2021Member" xlink:to="lab_suz_GrantYear2021Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnOtherOperations_019ff75a-d50c-79d0-9292-d9494c2713cb_terseLabel_en-US" xlink:label="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnOtherOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PIS/COFINS &#8211; operations</link:label>
    <link:label id="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnOtherOperations_label_en-US" xlink:label="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnOtherOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recoverable Taxes, Social Integration Program and Social Contribution on Revenue on Other Operations</link:label>
    <link:label id="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnOtherOperations_documentation_en-US" xlink:label="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnOtherOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of recoverable taxes from social integration program and social contribution on revenue relating to other operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnOtherOperations" xlink:href="suz-20260630.xsd#suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnOtherOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnOtherOperations" xlink:to="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnOtherOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LoansAndFinancingMember_019ff75a-d5ab-7ff0-85ce-7afe3a7cebb9_terseLabel_en-US" xlink:label="lab_suz_LoansAndFinancingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and financing</link:label>
    <link:label id="lab_suz_LoansAndFinancingMember_label_en-US" xlink:label="lab_suz_LoansAndFinancingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and financing [Member]</link:label>
    <link:label id="lab_suz_LoansAndFinancingMember_documentation_en-US" xlink:label="lab_suz_LoansAndFinancingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for loans and financing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LoansAndFinancingMember" xlink:href="suz-20260630.xsd#suz_LoansAndFinancingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LoansAndFinancingMember" xlink:to="lab_suz_LoansAndFinancingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_019ff75a-d484-7c5e-a69c-98c42989d0c5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of number and weighted average exercise prices of other equity instruments [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of number and weighted average exercise prices of other equity instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonCurrentFundingNonCurrent_019ff75a-d484-7f77-a827-37fa8e842b28_terseLabel_en-US" xlink:label="lab_suz_NonCurrentFundingNonCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current funding</link:label>
    <link:label id="lab_suz_NonCurrentFundingNonCurrent_label_en-US" xlink:label="lab_suz_NonCurrentFundingNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Current Funding, Non-Current</link:label>
    <link:label id="lab_suz_NonCurrentFundingNonCurrent_documentation_en-US" xlink:label="lab_suz_NonCurrentFundingNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of non-current funding relating to non current portion.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonCurrentFundingNonCurrent" xlink:href="suz-20260630.xsd#suz_NonCurrentFundingNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonCurrentFundingNonCurrent" xlink:to="lab_suz_NonCurrentFundingNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SellingTransactionsInFuturesMarketsMember_019ff75a-d50c-7ade-b0ec-72e0f516cd67_terseLabel_en-US" xlink:label="lab_suz_SellingTransactionsInFuturesMarketsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Selling transactions in the futures markets</link:label>
    <link:label id="lab_suz_SellingTransactionsInFuturesMarketsMember_label_en-US" xlink:label="lab_suz_SellingTransactionsInFuturesMarketsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling transactions in the futures markets</link:label>
    <link:label id="lab_suz_SellingTransactionsInFuturesMarketsMember_documentation_en-US" xlink:label="lab_suz_SellingTransactionsInFuturesMarketsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for selling transactions in the futures markets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SellingTransactionsInFuturesMarketsMember" xlink:href="suz-20260630.xsd#suz_SellingTransactionsInFuturesMarketsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SellingTransactionsInFuturesMarketsMember" xlink:to="lab_suz_SellingTransactionsInFuturesMarketsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BNDESTJLPMember_019ff75a-d50c-7e0d-9e00-a9ce2fb69a28_terseLabel_en-US" xlink:label="lab_suz_BNDESTJLPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES &#8211; TJLP</link:label>
    <link:label id="lab_suz_BNDESTJLPMember_label_en-US" xlink:label="lab_suz_BNDESTJLPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNDES &#8211; TJLP [Member]</link:label>
    <link:label id="lab_suz_BNDESTJLPMember_documentation_en-US" xlink:label="lab_suz_BNDESTJLPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BNDES &#8211; TJLP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BNDESTJLPMember" xlink:href="suz-20260630.xsd#suz_BNDESTJLPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BNDESTJLPMember" xlink:to="lab_suz_BNDESTJLPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill_019ff75a-d5ab-75cd-8b68-14cad920fa56_terseLabel_en-US" xlink:label="lab_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortisation rate, intangible assets other than goodwill</link:label>
    <link:label id="lab_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortisation rate, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AmortisationRateIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoVenturesESuzanoSAMember_019ff75a-d484-757a-a215-ba33ce044e8c_terseLabel_en-US" xlink:label="lab_suz_SuzanoVenturesESuzanoSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Ventures e Suzano S/A</link:label>
    <link:label id="lab_suz_SuzanoVenturesESuzanoSAMember_label_en-US" xlink:label="lab_suz_SuzanoVenturesESuzanoSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Ventures e Suzano S/A [Member]</link:label>
    <link:label id="lab_suz_SuzanoVenturesESuzanoSAMember_documentation_en-US" xlink:label="lab_suz_SuzanoVenturesESuzanoSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Goodwill - Investidas Suzano Ventures e Suzano S/A</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoVenturesESuzanoSAMember" xlink:href="suz-20260630.xsd#suz_SuzanoVenturesESuzanoSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoVenturesESuzanoSAMember" xlink:to="lab_suz_SuzanoVenturesESuzanoSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfSeries_019ff75a-d5ab-7c1b-9040-99adf4701baa_terseLabel_en-US" xlink:label="lab_suz_NumberOfSeries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of series</link:label>
    <link:label id="lab_suz_NumberOfSeries_label_en-US" xlink:label="lab_suz_NumberOfSeries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Series</link:label>
    <link:label id="lab_suz_NumberOfSeries_documentation_en-US" xlink:label="lab_suz_NumberOfSeries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Series</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfSeries" xlink:href="suz-20260630.xsd#suz_NumberOfSeries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfSeries" xlink:to="lab_suz_NumberOfSeries" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TrancheOneMember_019ff75a-d5ab-7a20-bd33-1c462cf62c39_terseLabel_en-US" xlink:label="lab_suz_TrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche One</link:label>
    <link:label id="lab_suz_TrancheOneMember_label_en-US" xlink:label="lab_suz_TrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche One [Member]</link:label>
    <link:label id="lab_suz_TrancheOneMember_documentation_en-US" xlink:label="lab_suz_TrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TrancheOneMember" xlink:href="suz-20260630.xsd#suz_TrancheOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TrancheOneMember" xlink:to="lab_suz_TrancheOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfCustomersDomain_019ff75a-d484-725e-ac30-009ccac23919_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfCustomersDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of customers [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfCustomersDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfCustomersDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of customers [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfCustomersDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfCustomersDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfCustomersDomain" xlink:to="lab_ifrs-full_TypesOfCustomersDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapital_019ff75a-d5ab-72bc-9ed8-498c6e6d012f_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_label_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapital" xlink:to="lab_ifrs-full_IssuedCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsDirectAndIndirectBenefits_019ff75a-d484-704c-993e-491ffa1675b9_terseLabel_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsDirectAndIndirectBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Direct and indirect benefits</link:label>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsDirectAndIndirectBenefits_label_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsDirectAndIndirectBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation, Short Term Employee Benefits, Direct And Indirect Benefits</link:label>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsDirectAndIndirectBenefits_documentation_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsDirectAndIndirectBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of compensation to key management personnel in the form of direct and indirect benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsDirectAndIndirectBenefits" xlink:href="suz-20260630.xsd#suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsDirectAndIndirectBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsDirectAndIndirectBenefits" xlink:to="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsDirectAndIndirectBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_019ff75a-d484-746d-b35e-d49c615b939a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of intangible assets and goodwill [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ContractOrAgreementAxis_019ff75a-d3c2-7901-bd72-bf0acb317522_terseLabel_en-US" xlink:label="lab_suz_ContractOrAgreementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract or Agreement [Axis]</link:label>
    <link:label id="lab_suz_ContractOrAgreementAxis_label_en-US" xlink:label="lab_suz_ContractOrAgreementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract or Agreement [Axis]</link:label>
    <link:label id="lab_suz_ContractOrAgreementAxis_documentation_en-US" xlink:label="lab_suz_ContractOrAgreementAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract or Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ContractOrAgreementAxis" xlink:href="suz-20260630.xsd#suz_ContractOrAgreementAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ContractOrAgreementAxis" xlink:to="lab_suz_ContractOrAgreementAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AverageRiskMember_019ff75a-d484-73a5-9a58-951010f152fb_terseLabel_en-US" xlink:label="lab_suz_AverageRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average Risk</link:label>
    <link:label id="lab_suz_AverageRiskMember_label_en-US" xlink:label="lab_suz_AverageRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average Risk member</link:label>
    <link:label id="lab_suz_AverageRiskMember_documentation_en-US" xlink:label="lab_suz_AverageRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Entity's internal credit quality assessment of average risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AverageRiskMember" xlink:href="suz-20260630.xsd#suz_AverageRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AverageRiskMember" xlink:to="lab_suz_AverageRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherIntangibleAssetsMember_019ff75a-d484-7e69-b18a-4ff3a0cc5a62_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherIntangibleAssetsMember_label_en-US" xlink:label="lab_ifrs-full_OtherIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other intangible assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherIntangibleAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherIntangibleAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherIntangibleAssetsMember" xlink:to="lab_ifrs-full_OtherIntangibleAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BiomasMember_019ff75a-d484-791d-9004-b7ca51b3cdb3_terseLabel_en-US" xlink:label="lab_suz_BiomasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Biomas</link:label>
    <link:label id="lab_suz_BiomasMember_label_en-US" xlink:label="lab_suz_BiomasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Biomas [Member]</link:label>
    <link:label id="lab_suz_BiomasMember_documentation_en-US" xlink:label="lab_suz_BiomasMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Biomas</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BiomasMember" xlink:href="suz-20260630.xsd#suz_BiomasMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BiomasMember" xlink:to="lab_suz_BiomasMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoCanadaInc.Member_019ff75a-d50c-7ba5-8497-95e0edd1ccbd_terseLabel_en-US" xlink:label="lab_suz_SuzanoCanadaInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Canada Inc. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoCanadaInc.Member_label_en-US" xlink:label="lab_suz_SuzanoCanadaInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Canada Inc.</link:label>
    <link:label id="lab_suz_SuzanoCanadaInc.Member_documentation_en-US" xlink:label="lab_suz_SuzanoCanadaInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Canada Inc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoCanadaInc.Member" xlink:href="suz-20260630.xsd#suz_SuzanoCanadaInc.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoCanadaInc.Member" xlink:to="lab_suz_SuzanoCanadaInc.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfCalculationForMandatoryMinimumDividendsTableTextBlock_019ff75a-d484-727d-a74a-98c915a6c856_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfCalculationForMandatoryMinimumDividendsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Calculation for Mandatory Minimum Dividends</link:label>
    <link:label id="lab_suz_ScheduleOfCalculationForMandatoryMinimumDividendsTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfCalculationForMandatoryMinimumDividendsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Calculation for Mandatory Minimum Dividends [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfCalculationForMandatoryMinimumDividendsTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfCalculationForMandatoryMinimumDividendsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Calculation for Mandatory Minimum Dividends</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfCalculationForMandatoryMinimumDividendsTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfCalculationForMandatoryMinimumDividendsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfCalculationForMandatoryMinimumDividendsTableTextBlock" xlink:to="lab_suz_ScheduleOfCalculationForMandatoryMinimumDividendsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SensitivityAnalysisRemoteScenario50PercentChangeMember_019ff75a-d484-7c83-abcf-ac50a8c62bbf_terseLabel_en-US" xlink:label="lab_suz_SensitivityAnalysisRemoteScenario50PercentChangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remote 50%</link:label>
    <link:label id="lab_suz_SensitivityAnalysisRemoteScenario50PercentChangeMember_label_en-US" xlink:label="lab_suz_SensitivityAnalysisRemoteScenario50PercentChangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remote 50%</link:label>
    <link:label id="lab_suz_SensitivityAnalysisRemoteScenario50PercentChangeMember_documentation_en-US" xlink:label="lab_suz_SensitivityAnalysisRemoteScenario50PercentChangeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a remote scenario of 50% change in a sensitivity analysis.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SensitivityAnalysisRemoteScenario50PercentChangeMember" xlink:href="suz-20260630.xsd#suz_SensitivityAnalysisRemoteScenario50PercentChangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SensitivityAnalysisRemoteScenario50PercentChangeMember" xlink:to="lab_suz_SensitivityAnalysisRemoteScenario50PercentChangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AllowanceAccountForCreditLossesFinancialAssets_019ff75a-d5ab-74db-a450-bbfed53eff9c_terseLabel_en-US" xlink:label="lab_suz_AllowanceAccountForCreditLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected credit losses</link:label>
    <link:label id="lab_suz_AllowanceAccountForCreditLossesFinancialAssets_019ff75a-d5ab-76a2-a741-e6773495f071_periodStartLabel_en-US" xlink:label="lab_suz_AllowanceAccountForCreditLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening Balance</link:label>
    <link:label id="lab_suz_AllowanceAccountForCreditLossesFinancialAssets_019ff75a-d5ab-73af-86ef-19f66530be28_periodEndLabel_en-US" xlink:label="lab_suz_AllowanceAccountForCreditLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing Balance</link:label>
    <link:label id="lab_suz_AllowanceAccountForCreditLossesFinancialAssets_label_en-US" xlink:label="lab_suz_AllowanceAccountForCreditLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance Account For Credit Losses Financial Assets</link:label>
    <link:label id="lab_suz_AllowanceAccountForCreditLossesFinancialAssets_documentation_en-US" xlink:label="lab_suz_AllowanceAccountForCreditLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element should be used to tag non-restated comparative information only. Allowance account for credit losses of financial assets at beginning of period. Allowance account for credit losses of financial assets at end of period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AllowanceAccountForCreditLossesFinancialAssets" xlink:href="suz-20260630.xsd#suz_AllowanceAccountForCreditLossesFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AllowanceAccountForCreditLossesFinancialAssets" xlink:to="lab_suz_AllowanceAccountForCreditLossesFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ReserveOfConversionOfDebenturesFifthIssueMember_019ff75a-d484-771e-b3f0-f7ee54ced521_terseLabel_en-US" xlink:label="lab_suz_ReserveOfConversionOfDebenturesFifthIssueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debenture conversion 5th issue</link:label>
    <link:label id="lab_suz_ReserveOfConversionOfDebenturesFifthIssueMember_label_en-US" xlink:label="lab_suz_ReserveOfConversionOfDebenturesFifthIssueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debenture conversion 5th issue</link:label>
    <link:label id="lab_suz_ReserveOfConversionOfDebenturesFifthIssueMember_documentation_en-US" xlink:label="lab_suz_ReserveOfConversionOfDebenturesFifthIssueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for reserve of conversion of debentures 5th issue.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ReserveOfConversionOfDebenturesFifthIssueMember" xlink:href="suz-20260630.xsd#suz_ReserveOfConversionOfDebenturesFifthIssueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ReserveOfConversionOfDebenturesFifthIssueMember" xlink:to="lab_suz_ReserveOfConversionOfDebenturesFifthIssueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AllotropeEnergyLtdMember_019ff75a-d484-7339-93a5-fa9c80bb6090_terseLabel_en-US" xlink:label="lab_suz_AllotropeEnergyLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allotrope Energy Ltd (Indirect)</link:label>
    <link:label id="lab_suz_AllotropeEnergyLtdMember_label_en-US" xlink:label="lab_suz_AllotropeEnergyLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allotrope Energy Ltd [Member]</link:label>
    <link:label id="lab_suz_AllotropeEnergyLtdMember_documentation_en-US" xlink:label="lab_suz_AllotropeEnergyLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This Member stands for Allotrope Energy Ltd</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AllotropeEnergyLtdMember" xlink:href="suz-20260630.xsd#suz_AllotropeEnergyLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AllotropeEnergyLtdMember" xlink:to="lab_suz_AllotropeEnergyLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherBorrowingsMember_019ff75a-d5ab-7bad-925e-cc99ce8c3d60_terseLabel_en-US" xlink:label="lab_suz_OtherBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_suz_OtherBorrowingsMember_label_en-US" xlink:label="lab_suz_OtherBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other borrowings [Member]</link:label>
    <link:label id="lab_suz_OtherBorrowingsMember_documentation_en-US" xlink:label="lab_suz_OtherBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other loans not separately disclosed.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherBorrowingsMember" xlink:href="suz-20260630.xsd#suz_OtherBorrowingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherBorrowingsMember" xlink:to="lab_suz_OtherBorrowingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherRiskRatingsMember_019ff75a-d50c-74fb-b9ec-ac290c7d7ebd_terseLabel_en-US" xlink:label="lab_suz_OtherRiskRatingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other risk ratings</link:label>
    <link:label id="lab_suz_OtherRiskRatingsMember_label_en-US" xlink:label="lab_suz_OtherRiskRatingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other risk ratings [Member]</link:label>
    <link:label id="lab_suz_OtherRiskRatingsMember_documentation_en-US" xlink:label="lab_suz_OtherRiskRatingsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the other external credit quality assessments not separately disclosed.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherRiskRatingsMember" xlink:href="suz-20260630.xsd#suz_OtherRiskRatingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherRiskRatingsMember" xlink:to="lab_suz_OtherRiskRatingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_019ff75a-d484-772d-b0f5-8ed6ee89ab4d_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PreFixedSwapToCDIUSMember_019ff75a-d5ab-7c3e-91f2-a889585e9c3a_terseLabel_en-US" xlink:label="lab_suz_PreFixedSwapToCDIUSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pre-fixed Swap to CDI US$</link:label>
    <link:label id="lab_suz_PreFixedSwapToCDIUSMember_label_en-US" xlink:label="lab_suz_PreFixedSwapToCDIUSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pre-fixed Swap to CDI US$ [Member]</link:label>
    <link:label id="lab_suz_PreFixedSwapToCDIUSMember_documentation_en-US" xlink:label="lab_suz_PreFixedSwapToCDIUSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pre-fixed Swap to CDI US$</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PreFixedSwapToCDIUSMember" xlink:href="suz-20260630.xsd#suz_PreFixedSwapToCDIUSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PreFixedSwapToCDIUSMember" xlink:to="lab_suz_PreFixedSwapToCDIUSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Term5YearMember_019ff75a-d484-764e-9d04-90089b647763_terseLabel_en-US" xlink:label="lab_suz_Term5YearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term, 5 year</link:label>
    <link:label id="lab_suz_Term5YearMember_label_en-US" xlink:label="lab_suz_Term5YearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term, 5 year [Member]</link:label>
    <link:label id="lab_suz_Term5YearMember_documentation_en-US" xlink:label="lab_suz_Term5YearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivative instrument maturities of five years.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Term5YearMember" xlink:href="suz-20260630.xsd#suz_Term5YearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Term5YearMember" xlink:to="lab_suz_Term5YearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset_019ff75a-d50c-719f-a89c-614b222d6798_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange rate variation</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, deferred tax liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FactoringOfReceivablesMember_019ff75a-d5ab-7121-9313-289dcc346c30_terseLabel_en-US" xlink:label="lab_ifrs-full_FactoringOfReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Factoring of receivables [member]</link:label>
    <link:label id="lab_ifrs-full_FactoringOfReceivablesMember_label_en-US" xlink:label="lab_ifrs-full_FactoringOfReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Factoring of receivables [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FactoringOfReceivablesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FactoringOfReceivablesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FactoringOfReceivablesMember" xlink:to="lab_ifrs-full_FactoringOfReceivablesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_019ff75a-d50c-72b3-b524-87ef9667746f_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quantity</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of shares outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesOutstanding" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesOutstanding" xlink:to="lab_ifrs-full_NumberOfSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxCreditsGainsInTaxLawsuit_019ff75a-d484-7230-8f63-e74ea5389871_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxCreditsGainsInTaxLawsuit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credits on exclusion of ICMS from the PIS/COFINS tax base</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxCreditsGainsInTaxLawsuit_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxCreditsGainsInTaxLawsuit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Tax Credits - Gains in Tax Lawsuit</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxCreditsGainsInTaxLawsuit_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxCreditsGainsInTaxLawsuit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from tax credits, gains in tax lawsuit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughTaxCreditsGainsInTaxLawsuit" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughTaxCreditsGainsInTaxLawsuit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughTaxCreditsGainsInTaxLawsuit" xlink:to="lab_suz_IncreaseDecreaseThroughTaxCreditsGainsInTaxLawsuit" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LenzingAktiengesellschftMember_019ff75a-d5ab-774b-8dc7-463a70bda072_terseLabel_en-US" xlink:label="lab_suz_LenzingAktiengesellschftMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lenzing Aktiengesellschaft (Indirect)</link:label>
    <link:label id="lab_suz_LenzingAktiengesellschftMember_label_en-US" xlink:label="lab_suz_LenzingAktiengesellschftMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lenzing Aktiengesellschft [Member]</link:label>
    <link:label id="lab_suz_LenzingAktiengesellschftMember_documentation_en-US" xlink:label="lab_suz_LenzingAktiengesellschftMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lenzing Aktiengesellschft [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LenzingAktiengesellschftMember" xlink:href="suz-20260630.xsd#suz_LenzingAktiengesellschftMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LenzingAktiengesellschftMember" xlink:to="lab_suz_LenzingAktiengesellschftMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SpinnovaRefiningOyMember_019ff75a-d484-77b8-bba9-af54019c5134_terseLabel_en-US" xlink:label="lab_suz_SpinnovaRefiningOyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Spinnova Refining Oy (Indirect) (2)</link:label>
    <link:label id="lab_suz_SpinnovaRefiningOyMember_label_en-US" xlink:label="lab_suz_SpinnovaRefiningOyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Spinnova Refining Oy [Member]</link:label>
    <link:label id="lab_suz_SpinnovaRefiningOyMember_documentation_en-US" xlink:label="lab_suz_SpinnovaRefiningOyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Spinnova Refining Oy (Indirect)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SpinnovaRefiningOyMember" xlink:href="suz-20260630.xsd#suz_SpinnovaRefiningOyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SpinnovaRefiningOyMember" xlink:to="lab_suz_SpinnovaRefiningOyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FibriaMember_019ff75a-d5ab-7c8e-8639-f4456a67f858_terseLabel_en-US" xlink:label="lab_suz_FibriaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fibria</link:label>
    <link:label id="lab_suz_FibriaMember_label_en-US" xlink:label="lab_suz_FibriaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fibria [Member]</link:label>
    <link:label id="lab_suz_FibriaMember_documentation_en-US" xlink:label="lab_suz_FibriaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Fibria Celulose S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FibriaMember" xlink:href="suz-20260630.xsd#suz_FibriaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FibriaMember" xlink:to="lab_suz_FibriaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_December2043Member_019ff75a-d484-70a7-b719-0a3e67c07f7e_terseLabel_en-US" xlink:label="lab_suz_December2043Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">December 2043 [Member]</link:label>
    <link:label id="lab_suz_December2043Member_label_en-US" xlink:label="lab_suz_December2043Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">December 2043 [Member]</link:label>
    <link:label id="lab_suz_December2043Member_documentation_en-US" xlink:label="lab_suz_December2043Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">December 2043</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_December2043Member" xlink:href="suz-20260630.xsd#suz_December2043Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_December2043Member" xlink:to="lab_suz_December2043Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherProvisions_019ff75a-d5ab-7f38-8989-a64b38dedf39_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other provisions</link:label>
    <link:label id="lab_ifrs-full_OtherProvisions_label_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherProvisions" xlink:to="lab_ifrs-full_OtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonDeliverableForwardBrazilianReaisToUSDollarMember_019ff75a-d3c2-7983-a974-8eeeccf39b40_terseLabel_en-US" xlink:label="lab_suz_NonDeliverableForwardBrazilianReaisToUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NDF (R$ x US$)</link:label>
    <link:label id="lab_suz_NonDeliverableForwardBrazilianReaisToUSDollarMember_label_en-US" xlink:label="lab_suz_NonDeliverableForwardBrazilianReaisToUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NDF (R$ x US$)</link:label>
    <link:label id="lab_suz_NonDeliverableForwardBrazilianReaisToUSDollarMember_documentation_en-US" xlink:label="lab_suz_NonDeliverableForwardBrazilianReaisToUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for non-deliverable forward contract long positions in U.S. Dollars and short positions in Brazilian Reais in order to protect the sale of products in the Brazilian market.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonDeliverableForwardBrazilianReaisToUSDollarMember" xlink:href="suz-20260630.xsd#suz_NonDeliverableForwardBrazilianReaisToUSDollarMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonDeliverableForwardBrazilianReaisToUSDollarMember" xlink:to="lab_suz_NonDeliverableForwardBrazilianReaisToUSDollarMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_019ff75a-d5ab-7048-8a6c-02ac42a6b4bc_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade accounts payable</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in trade accounts payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilities_019ff75a-d484-7ceb-8805-eaddc0b4c853_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilities_019ff75a-d484-7954-99ba-ebda26c4900d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilities" xlink:to="lab_ifrs-full_FinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AverageAnnualGrowthVolumePerHectarePerYear_019ff75a-d484-74c5-8446-7553dd4feac4_terseLabel_en-US" xlink:label="lab_suz_AverageAnnualGrowthVolumePerHectarePerYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average Annual Growth Volume Per Hectare Per Year</link:label>
    <link:label id="lab_suz_AverageAnnualGrowthVolumePerHectarePerYear_label_en-US" xlink:label="lab_suz_AverageAnnualGrowthVolumePerHectarePerYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average Annual Growth Volume Per Hectare Per Year</link:label>
    <link:label id="lab_suz_AverageAnnualGrowthVolumePerHectarePerYear_documentation_en-US" xlink:label="lab_suz_AverageAnnualGrowthVolumePerHectarePerYear" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average Annual Growth Volume Per Hectare Per Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AverageAnnualGrowthVolumePerHectarePerYear" xlink:href="suz-20260630.xsd#suz_AverageAnnualGrowthVolumePerHectarePerYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AverageAnnualGrowthVolumePerHectarePerYear" xlink:to="lab_suz_AverageAnnualGrowthVolumePerHectarePerYear" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems_019ff75a-d484-7a12-af59-cd17d6f4e5c1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesWithinEquityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:to="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember_019ff75a-d50c-7b3d-8c35-c4e565128a94_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other property, plant and equipment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherPropertyPlantAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:to="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_019ff75a-d5ab-7099-b3a1-f5b2af34bbd4_totalLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total tax expense (income)</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsAbstract_019ff75a-d484-79f1-8a70-5fa53302f374_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_019ff75a-d484-7dd9-a87d-772fd111604b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Events after the reporting period</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of events after reporting period [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract_019ff75a-d50c-7a67-b972-d44476cfa15d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of information about defined benefit plans [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information about defined benefit plans [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InterestRateMember_019ff75a-d5ab-7bcd-a537-f567097323b3_terseLabel_en-US" xlink:label="lab_suz_InterestRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate</link:label>
    <link:label id="lab_suz_InterestRateMember_label_en-US" xlink:label="lab_suz_InterestRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest rate [Member]</link:label>
    <link:label id="lab_suz_InterestRateMember_documentation_en-US" xlink:label="lab_suz_InterestRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InterestRateMember" xlink:href="suz-20260630.xsd#suz_InterestRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InterestRateMember" xlink:to="lab_suz_InterestRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LongTermBorrowingsBeforeOtherAdjustments_019ff75a-d5ab-7f35-b2a3-ca8e29aa9bb9_terseLabel_en-US" xlink:label="lab_suz_LongTermBorrowingsBeforeOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_suz_LongTermBorrowingsBeforeOtherAdjustments_label_en-US" xlink:label="lab_suz_LongTermBorrowingsBeforeOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Borrowings, Before Other Adjustments</link:label>
    <link:label id="lab_suz_LongTermBorrowingsBeforeOtherAdjustments_documentation_en-US" xlink:label="lab_suz_LongTermBorrowingsBeforeOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The non-current portion of non-current borrowings before other adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LongTermBorrowingsBeforeOtherAdjustments" xlink:href="suz-20260630.xsd#suz_LongTermBorrowingsBeforeOtherAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LongTermBorrowingsBeforeOtherAdjustments" xlink:to="lab_suz_LongTermBorrowingsBeforeOtherAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SensitivityAnalysisIncreaseOf1.00PercentMember_019ff75a-d484-7a9e-b617-4210e2bd8e6c_terseLabel_en-US" xlink:label="lab_suz_SensitivityAnalysisIncreaseOf1.00PercentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis, +1.00%</link:label>
    <link:label id="lab_suz_SensitivityAnalysisIncreaseOf1.00PercentMember_label_en-US" xlink:label="lab_suz_SensitivityAnalysisIncreaseOf1.00PercentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis, +1.00%</link:label>
    <link:label id="lab_suz_SensitivityAnalysisIncreaseOf1.00PercentMember_documentation_en-US" xlink:label="lab_suz_SensitivityAnalysisIncreaseOf1.00PercentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a sensitivity analysis scenario of an increase in +1.00%.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SensitivityAnalysisIncreaseOf1.00PercentMember" xlink:href="suz-20260630.xsd#suz_SensitivityAnalysisIncreaseOf1.00PercentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SensitivityAnalysisIncreaseOf1.00PercentMember" xlink:to="lab_suz_SensitivityAnalysisIncreaseOf1.00PercentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EnsynCorporationMember_019ff75a-d484-7308-8a6f-f4e2bc20acbc_verboseLabel_en-US" xlink:label="lab_suz_EnsynCorporationMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Ensyn Corporation</link:label>
    <link:label id="lab_suz_EnsynCorporationMember_label_en-US" xlink:label="lab_suz_EnsynCorporationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ensyn Corporation</link:label>
    <link:label id="lab_suz_EnsynCorporationMember_documentation_en-US" xlink:label="lab_suz_EnsynCorporationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This Member stands for Ensyn Corporation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EnsynCorporationMember" xlink:href="suz-20260630.xsd#suz_EnsynCorporationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EnsynCorporationMember" xlink:to="lab_suz_EnsynCorporationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_country_HU_019ff75a-d3c2-7c52-bd51-c633dff3ab0a_terseLabel_en-US" xlink:label="lab_country_HU" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">HUNGARY</link:label>
    <link:label id="lab_country_HU_label_en-US" xlink:label="lab_country_HU" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">HUNGARY</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_HU" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_HU"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_HU" xlink:to="lab_country_HU" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_BRL_019ff75a-d50c-7784-a4d1-a6e44ddb11d1_terseLabel_en-US" xlink:label="lab_currency_BRL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brazil, Brazil Real</link:label>
    <link:label id="lab_currency_BRL_label_en-US" xlink:label="lab_currency_BRL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Brazil, Brazil Real</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_BRL" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_BRL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_BRL" xlink:to="lab_currency_BRL" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_019ff75a-d50c-7be4-abe3-a4c6c08471bd_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory_019ff75a-d5ab-7b8b-a36b-53cb9edcb60a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for judicial liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions, contingent liabilities and contingent assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GrantYear2026Member_019ff75a-d5ab-7f05-aff4-af288efd890c_terseLabel_en-US" xlink:label="lab_suz_GrantYear2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Year 2026</link:label>
    <link:label id="lab_suz_GrantYear2026Member_label_en-US" xlink:label="lab_suz_GrantYear2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Year 2026 [Member]</link:label>
    <link:label id="lab_suz_GrantYear2026Member_documentation_en-US" xlink:label="lab_suz_GrantYear2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Year 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GrantYear2026Member" xlink:href="suz-20260630.xsd#suz_GrantYear2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GrantYear2026Member" xlink:to="lab_suz_GrantYear2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_019ff75a-d5ab-7946-ad01-01fcc620132e_terseLabel_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss from associates and joint ventures</link:label>
    <link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_019ff75a-d5ab-7347-8c19-cd27f3893dd8_negatedLabel_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income (expense) from associates and joint ventures</link:label>
    <link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share of profit (loss) of associates and joint ventures accounted for using equity method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ResultsFromDerivativeFinancialInstrumentsAbstract_019ff75a-d484-7847-b606-0219612e344c_terseLabel_en-US" xlink:label="lab_suz_ResultsFromDerivativeFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Results from derivative financial instruments [Abstract]</link:label>
    <link:label id="lab_suz_ResultsFromDerivativeFinancialInstrumentsAbstract_label_en-US" xlink:label="lab_suz_ResultsFromDerivativeFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Results from derivative financial instruments [Abstract]</link:label>
    <link:label id="lab_suz_ResultsFromDerivativeFinancialInstrumentsAbstract_documentation_en-US" xlink:label="lab_suz_ResultsFromDerivativeFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Results from derivative financial instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ResultsFromDerivativeFinancialInstrumentsAbstract" xlink:href="suz-20260630.xsd#suz_ResultsFromDerivativeFinancialInstrumentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ResultsFromDerivativeFinancialInstrumentsAbstract" xlink:to="lab_suz_ResultsFromDerivativeFinancialInstrumentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfTaxReceivablesAndPayablesLineItems_019ff75a-d5ab-775e-b6d7-a06d9f23aef2_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfTaxReceivablesAndPayablesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Tax Receivables and Payables [Line Items]</link:label>
    <link:label id="lab_suz_DisclosureOfTaxReceivablesAndPayablesLineItems_label_en-US" xlink:label="lab_suz_DisclosureOfTaxReceivablesAndPayablesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Tax Receivables and Payables [Line Items]</link:label>
    <link:label id="lab_suz_DisclosureOfTaxReceivablesAndPayablesLineItems_documentation_en-US" xlink:label="lab_suz_DisclosureOfTaxReceivablesAndPayablesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of Tax Receivables and Payables [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfTaxReceivablesAndPayablesLineItems" xlink:href="suz-20260630.xsd#suz_DisclosureOfTaxReceivablesAndPayablesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfTaxReceivablesAndPayablesLineItems" xlink:to="lab_suz_DisclosureOfTaxReceivablesAndPayablesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_019ff75a-d484-77ea-bfc4-a92d59385b94_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:to="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_019ff75a-d50c-7542-9d40-828756a99d94_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_019ff75a-d483-7590-adfc-bb5b46b2f690_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [domain]</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_019ff75a-d50c-749a-aee5-624e55a62293_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_WeightedAveragePricePerShareOfTreasurySharesCanceledDuringThePeriod_019ff75a-d484-79b7-b4f0-16c2b3c3ece2_terseLabel_en-US" xlink:label="lab_suz_WeightedAveragePricePerShareOfTreasurySharesCanceledDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Canceled</link:label>
    <link:label id="lab_suz_WeightedAveragePricePerShareOfTreasurySharesCanceledDuringThePeriod_label_en-US" xlink:label="lab_suz_WeightedAveragePricePerShareOfTreasurySharesCanceledDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Price Per Share of Treasury Shares Canceled During the Period</link:label>
    <link:label id="lab_suz_WeightedAveragePricePerShareOfTreasurySharesCanceledDuringThePeriod_documentation_en-US" xlink:label="lab_suz_WeightedAveragePricePerShareOfTreasurySharesCanceledDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted Average Price Per Share of Treasury Shares Canceled During the Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_WeightedAveragePricePerShareOfTreasurySharesCanceledDuringThePeriod" xlink:href="suz-20260630.xsd#suz_WeightedAveragePricePerShareOfTreasurySharesCanceledDuringThePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_WeightedAveragePricePerShareOfTreasurySharesCanceledDuringThePeriod" xlink:to="lab_suz_WeightedAveragePricePerShareOfTreasurySharesCanceledDuringThePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAxis_019ff75a-d484-7fd0-ad3b-b90a95439f7b_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:label id="lab_ifrs-full_MaturityAxis_label_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAxis" xlink:to="lab_ifrs-full_MaturityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapPreFixedToCDIMember_019ff75a-d5ab-7a97-90a7-ac9a2128d101_terseLabel_en-US" xlink:label="lab_suz_SwapPreFixedToCDIMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap Pre-Fixed to CDI</link:label>
    <link:label id="lab_suz_SwapPreFixedToCDIMember_label_en-US" xlink:label="lab_suz_SwapPreFixedToCDIMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap Pre-Fixed to CDI [Member]</link:label>
    <link:label id="lab_suz_SwapPreFixedToCDIMember_documentation_en-US" xlink:label="lab_suz_SwapPreFixedToCDIMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap Pre-Fixed to CDI</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapPreFixedToCDIMember" xlink:href="suz-20260630.xsd#suz_SwapPreFixedToCDIMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapPreFixedToCDIMember" xlink:to="lab_suz_SwapPreFixedToCDIMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted_019ff75a-d50c-700e-a4ca-27464840c451_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value on grant date</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average fair value at measurement date, other equity instruments granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted" xlink:to="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxEnforcementActionICMSCreditsPeriod052014To122014Member_019ff75a-d484-7b07-a947-4708570eabbf_terseLabel_en-US" xlink:label="lab_suz_TaxEnforcementActionICMSCreditsPeriod052014To122014Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax enforcement action -ICMS &#8211; Credits &#8211; Period 05/2014 to 12/2014</link:label>
    <link:label id="lab_suz_TaxEnforcementActionICMSCreditsPeriod052014To122014Member_label_en-US" xlink:label="lab_suz_TaxEnforcementActionICMSCreditsPeriod052014To122014Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax enforcement action -ICMS &#8211; Credits &#8211; Period 05/2014 to 12/2014 [Member]</link:label>
    <link:label id="lab_suz_TaxEnforcementActionICMSCreditsPeriod052014To122014Member_documentation_en-US" xlink:label="lab_suz_TaxEnforcementActionICMSCreditsPeriod052014To122014Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax enforcement action -ICMS &#8211; Credits &#8211; Period 05/2014 to 12/2014</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxEnforcementActionICMSCreditsPeriod052014To122014Member" xlink:href="suz-20260630.xsd#suz_TaxEnforcementActionICMSCreditsPeriod052014To122014Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxEnforcementActionICMSCreditsPeriod052014To122014Member" xlink:to="lab_suz_TaxEnforcementActionICMSCreditsPeriod052014To122014Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_019ff75a-d5ab-7e60-8bb9-84f04df7257b_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Goodwill_019ff75a-d5ab-713c-9b84-e31959259208_terseLabel_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_ifrs-full_Goodwill_label_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Goodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Goodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Goodwill" xlink:to="lab_ifrs-full_Goodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CountryOfIncorporation_019ff75a-d3c2-7af3-a5a6-29437f8a942b_terseLabel_en-US" xlink:label="lab_ifrs-full_CountryOfIncorporation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Country</link:label>
    <link:label id="lab_ifrs-full_CountryOfIncorporation_label_en-US" xlink:label="lab_ifrs-full_CountryOfIncorporation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Country of incorporation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CountryOfIncorporation" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CountryOfIncorporation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CountryOfIncorporation" xlink:to="lab_ifrs-full_CountryOfIncorporation" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfAllocationOfGoodwillBasedOnExpectedFutureProfitabilityToSegmentsTableTextBlock_019ff75a-d5ab-7926-bfbb-18ff8b80b0ab_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfAllocationOfGoodwillBasedOnExpectedFutureProfitabilityToSegmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Allocation of Goodwill Based on Expected Future Profitability to Segments</link:label>
    <link:label id="lab_suz_DisclosureOfAllocationOfGoodwillBasedOnExpectedFutureProfitabilityToSegmentsTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfAllocationOfGoodwillBasedOnExpectedFutureProfitabilityToSegmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Allocation of Goodwill Based on Expected Future Profitability to Segments [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfAllocationOfGoodwillBasedOnExpectedFutureProfitabilityToSegmentsTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfAllocationOfGoodwillBasedOnExpectedFutureProfitabilityToSegmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of allocation goodwill based on expected future profitability to Segments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfAllocationOfGoodwillBasedOnExpectedFutureProfitabilityToSegmentsTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfAllocationOfGoodwillBasedOnExpectedFutureProfitabilityToSegmentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfAllocationOfGoodwillBasedOnExpectedFutureProfitabilityToSegmentsTableTextBlock" xlink:to="lab_suz_DisclosureOfAllocationOfGoodwillBasedOnExpectedFutureProfitabilityToSegmentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapCDIXSOFRUSMember_019ff75a-d484-7e44-b877-41ca74663814_terseLabel_en-US" xlink:label="lab_suz_SwapCDIXSOFRUSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap CDI x SOFR (US$)</link:label>
    <link:label id="lab_suz_SwapCDIXSOFRUSMember_label_en-US" xlink:label="lab_suz_SwapCDIXSOFRUSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap CDI x SOFR (US$) [Member]</link:label>
    <link:label id="lab_suz_SwapCDIXSOFRUSMember_documentation_en-US" xlink:label="lab_suz_SwapCDIXSOFRUSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap CDI x SOFR (US$)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapCDIXSOFRUSMember" xlink:href="suz-20260630.xsd#suz_SwapCDIXSOFRUSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapCDIXSOFRUSMember" xlink:to="lab_suz_SwapCDIXSOFRUSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FairValueAdjustmentsAttributableToNonControllingInterests_019ff75a-d5ab-7874-b880-520e49df59a9_terseLabel_en-US" xlink:label="lab_suz_FairValueAdjustmentsAttributableToNonControllingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Adjustments Attributable to Non-Controlling Interests</link:label>
    <link:label id="lab_suz_FairValueAdjustmentsAttributableToNonControllingInterests_label_en-US" xlink:label="lab_suz_FairValueAdjustmentsAttributableToNonControllingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Adjustments Attributable to Non-Controlling Interests</link:label>
    <link:label id="lab_suz_FairValueAdjustmentsAttributableToNonControllingInterests_documentation_en-US" xlink:label="lab_suz_FairValueAdjustmentsAttributableToNonControllingInterests" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of fair value adjustments attributable to non-controlling interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FairValueAdjustmentsAttributableToNonControllingInterests" xlink:href="suz-20260630.xsd#suz_FairValueAdjustmentsAttributableToNonControllingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FairValueAdjustmentsAttributableToNonControllingInterests" xlink:to="lab_suz_FairValueAdjustmentsAttributableToNonControllingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProbableLossesMember_019ff75a-d5ab-71b6-ad42-d854106d876c_terseLabel_en-US" xlink:label="lab_suz_ProbableLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probable losses</link:label>
    <link:label id="lab_suz_ProbableLossesMember_label_en-US" xlink:label="lab_suz_ProbableLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probable losses [Member]</link:label>
    <link:label id="lab_suz_ProbableLossesMember_documentation_en-US" xlink:label="lab_suz_ProbableLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a probable loss scenario in regards to provisions for losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProbableLossesMember" xlink:href="suz-20260630.xsd#suz_ProbableLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProbableLossesMember" xlink:to="lab_suz_ProbableLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_019ff75a-d484-73ff-8e2a-d7a992ff304c_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AMemberMember_019ff75a-d50c-7648-a3d4-0d50607d05a5_terseLabel_en-US" xlink:label="lab_suz_AMemberMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A Member</link:label>
    <link:label id="lab_suz_AMemberMember_label_en-US" xlink:label="lab_suz_AMemberMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">A Member [Member]</link:label>
    <link:label id="lab_suz_AMemberMember_documentation_en-US" xlink:label="lab_suz_AMemberMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AMemberMember" xlink:href="suz-20260630.xsd#suz_AMemberMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AMemberMember" xlink:to="lab_suz_AMemberMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisposalsBiologicalAssets_019ff75a-d50c-7234-92e2-8974f1f2f900_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DisposalsBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Disposals</link:label>
    <link:label id="lab_ifrs-full_DisposalsBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_DisposalsBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposals, biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisposalsBiologicalAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisposalsBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsBiologicalAssets" xlink:to="lab_ifrs-full_DisposalsBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ProductOrServiceAxis_019ff75a-d5ab-7cea-8e09-3d4b8b0c0959_terseLabel_en-US" xlink:label="lab_srt_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:label id="lab_srt_ProductOrServiceAxis_label_en-US" xlink:label="lab_srt_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductOrServiceAxis" xlink:to="lab_srt_ProductOrServiceAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLSwapOfIndustrialAndForestryAssetsMember_019ff75a-d484-77a4-a1e3-efc5647cf475_terseLabel_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLSwapOfIndustrialAndForestryAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL - Swap of industrial and forestry assets</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLSwapOfIndustrialAndForestryAssetsMember_label_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLSwapOfIndustrialAndForestryAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL - Swap of industrial and forestry assets [Member]</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLSwapOfIndustrialAndForestryAssetsMember_documentation_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLSwapOfIndustrialAndForestryAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for income tax assessment - IRPJ/CSLL - swap of industrial and forestry assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxAssessmentIRPJCSLLSwapOfIndustrialAndForestryAssetsMember" xlink:href="suz-20260630.xsd#suz_IncomeTaxAssessmentIRPJCSLLSwapOfIndustrialAndForestryAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxAssessmentIRPJCSLLSwapOfIndustrialAndForestryAssetsMember" xlink:to="lab_suz_IncomeTaxAssessmentIRPJCSLLSwapOfIndustrialAndForestryAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TemporaryDifferenceLeasesMember_019ff75a-d484-7d56-9492-721f09d7bdf6_terseLabel_en-US" xlink:label="lab_suz_TemporaryDifferenceLeasesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases (1)</link:label>
    <link:label id="lab_suz_TemporaryDifferenceLeasesMember_label_en-US" xlink:label="lab_suz_TemporaryDifferenceLeasesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_suz_TemporaryDifferenceLeasesMember_documentation_en-US" xlink:label="lab_suz_TemporaryDifferenceLeasesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for temporary tax differences related to leases.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TemporaryDifferenceLeasesMember" xlink:href="suz-20260630.xsd#suz_TemporaryDifferenceLeasesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TemporaryDifferenceLeasesMember" xlink:to="lab_suz_TemporaryDifferenceLeasesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_019ff75a-d484-71c8-ad38-07aa3e1808da_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory_019ff75a-d50c-781f-a710-96d0baca8f14_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Biological assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for biological assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentsForProvisionsReversalForLossOfCreditsFromTaxOnSaleOfGoodsAndServices_019ff75a-d484-7dda-add8-13d8f7355988_terseLabel_en-US" xlink:label="lab_suz_AdjustmentsForProvisionsReversalForLossOfCreditsFromTaxOnSaleOfGoodsAndServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision (reversal) for loss of ICMS credits, net</link:label>
    <link:label id="lab_suz_AdjustmentsForProvisionsReversalForLossOfCreditsFromTaxOnSaleOfGoodsAndServices_label_en-US" xlink:label="lab_suz_AdjustmentsForProvisionsReversalForLossOfCreditsFromTaxOnSaleOfGoodsAndServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for Provisions (Reversal) for Loss of Credits from Tax on Sale of Goods and Services</link:label>
    <link:label id="lab_suz_AdjustmentsForProvisionsReversalForLossOfCreditsFromTaxOnSaleOfGoodsAndServices_documentation_en-US" xlink:label="lab_suz_AdjustmentsForProvisionsReversalForLossOfCreditsFromTaxOnSaleOfGoodsAndServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of adjustments for provisions (reversal) for loss of credits from tax on sale of goods and services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentsForProvisionsReversalForLossOfCreditsFromTaxOnSaleOfGoodsAndServices" xlink:href="suz-20260630.xsd#suz_AdjustmentsForProvisionsReversalForLossOfCreditsFromTaxOnSaleOfGoodsAndServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentsForProvisionsReversalForLossOfCreditsFromTaxOnSaleOfGoodsAndServices" xlink:to="lab_suz_AdjustmentsForProvisionsReversalForLossOfCreditsFromTaxOnSaleOfGoodsAndServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsPayable_019ff75a-d50c-7d8c-8850-3aaa1c8dd3d1_terseLabel_en-US" xlink:label="lab_ifrs-full_DividendsPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends payable</link:label>
    <link:label id="lab_ifrs-full_DividendsPayable_label_en-US" xlink:label="lab_ifrs-full_DividendsPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends payable, non-cash assets distributions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPayable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPayable" xlink:to="lab_ifrs-full_DividendsPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_March2027Member_019ff75a-d5ab-77ed-a3c7-40a952f07ee8_terseLabel_en-US" xlink:label="lab_suz_March2027Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">March 2027</link:label>
    <link:label id="lab_suz_March2027Member_label_en-US" xlink:label="lab_suz_March2027Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">March 2027 [Member]</link:label>
    <link:label id="lab_suz_March2027Member_documentation_en-US" xlink:label="lab_suz_March2027Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">March 2027</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_March2027Member" xlink:href="suz-20260630.xsd#suz_March2027Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_March2027Member" xlink:to="lab_suz_March2027Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NamanCapoitalLtda.Member_019ff75a-d483-73af-9343-030ee375b33b_terseLabel_en-US" xlink:label="lab_suz_NamanCapoitalLtda.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Naman Capoital Ltda.</link:label>
    <link:label id="lab_suz_NamanCapoitalLtda.Member_label_en-US" xlink:label="lab_suz_NamanCapoitalLtda.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Naman Capoital Ltda. [Member]</link:label>
    <link:label id="lab_suz_NamanCapoitalLtda.Member_documentation_en-US" xlink:label="lab_suz_NamanCapoitalLtda.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Naman Capoital Ltda.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NamanCapoitalLtda.Member" xlink:href="suz-20260630.xsd#suz_NamanCapoitalLtda.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NamanCapoitalLtda.Member" xlink:to="lab_suz_NamanCapoitalLtda.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnAcquisitionOfFixedAssets_019ff75a-d484-7522-8063-053de2b7dbf5_terseLabel_en-US" xlink:label="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnAcquisitionOfFixedAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PIS/COFINS &#8211; on acquisitions of property, plant and equipment (1)</link:label>
    <link:label id="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnAcquisitionOfFixedAssets_label_en-US" xlink:label="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnAcquisitionOfFixedAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recoverable Taxes, Social Integration Program and Social Contribution on Revenue on Acquisition of Fixed Assets</link:label>
    <link:label id="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnAcquisitionOfFixedAssets_documentation_en-US" xlink:label="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnAcquisitionOfFixedAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of recoverable taxes from social integration program and social contribution on revenue relating to acquisition of fixed assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnAcquisitionOfFixedAssets" xlink:href="suz-20260630.xsd#suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnAcquisitionOfFixedAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnAcquisitionOfFixedAssets" xlink:to="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnRevenueOnAcquisitionOfFixedAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DecreaseProvisionShareBasedPayment_019ff75a-d50c-7032-9ada-ce7c8f8352d0_terseLabel_en-US" xlink:label="lab_suz_DecreaseProvisionShareBasedPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease Provision Share Based Payment</link:label>
    <link:label id="lab_suz_DecreaseProvisionShareBasedPayment_label_en-US" xlink:label="lab_suz_DecreaseProvisionShareBasedPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease Provision Share Based Payment</link:label>
    <link:label id="lab_suz_DecreaseProvisionShareBasedPayment_documentation_en-US" xlink:label="lab_suz_DecreaseProvisionShareBasedPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the decrease in the provision recognized for share-based payment transactions, specifically for cash-settled share-based compensation, such as phantom stock plans, due to exercised (settled) amounts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DecreaseProvisionShareBasedPayment" xlink:href="suz-20260630.xsd#suz_DecreaseProvisionShareBasedPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DecreaseProvisionShareBasedPayment" xlink:to="lab_suz_DecreaseProvisionShareBasedPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareTable_019ff75a-d50c-76ac-b115-a36e29dc407a_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share [table]</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareTable_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareTable" xlink:to="lab_ifrs-full_EarningsPerShareTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LandMember_019ff75a-d5ab-7440-b47b-0a0865e8f862_terseLabel_en-US" xlink:label="lab_ifrs-full_LandMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land</link:label>
    <link:label id="lab_ifrs-full_LandMember_label_en-US" xlink:label="lab_ifrs-full_LandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LandMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LandMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LandMember" xlink:to="lab_ifrs-full_LandMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDateFairValueAdjustment_019ff75a-d5ab-701e-800e-c2de9b52a6ed_terseLabel_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_suz_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDateFairValueAdjustment_label_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant And Equipment Recognised As Of Acquisition Date, Fair Value Adjustment</link:label>
    <link:label id="lab_suz_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDateFairValueAdjustment_documentation_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property, Plant And Equipment Recognised As Of Acquisition Date, Fair Value Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:href="suz-20260630.xsd#suz_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDateFairValueAdjustment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:to="lab_suz_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDateFairValueAdjustment" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PreFixedSwapToUSUSMember_019ff75a-d3c2-729b-bbb0-5d1c9c11194c_terseLabel_en-US" xlink:label="lab_suz_PreFixedSwapToUSUSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pre-fixed Swap to CDI (notional in Brazilian Reais)</link:label>
    <link:label id="lab_suz_PreFixedSwapToUSUSMember_label_en-US" xlink:label="lab_suz_PreFixedSwapToUSUSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pre-fixed Swap to US$ (US$) [Member]</link:label>
    <link:label id="lab_suz_PreFixedSwapToUSUSMember_documentation_en-US" xlink:label="lab_suz_PreFixedSwapToUSUSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for positions in conventional swaps exchanging from pre-fixed rate in Brazilian Reais to pre-fixed rate in U.S.$. The purpose is to change the exposure of debt from Brazilian Reais to U.S.$.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PreFixedSwapToUSUSMember" xlink:href="suz-20260630.xsd#suz_PreFixedSwapToUSUSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PreFixedSwapToUSUSMember" xlink:to="lab_suz_PreFixedSwapToUSUSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueOfCombinedEntity_019ff75a-d5ab-7a17-89b8-1c76cc5b9df4_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueOfCombinedEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue of combined entity as if combination occurred at beginning of period</link:label>
    <link:label id="lab_ifrs-full_RevenueOfCombinedEntity_label_en-US" xlink:label="lab_ifrs-full_RevenueOfCombinedEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue of combined entity as if combination occurred at beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueOfCombinedEntity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueOfCombinedEntity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueOfCombinedEntity" xlink:to="lab_ifrs-full_RevenueOfCombinedEntity" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GrantYear2023Member_019ff75a-d484-74f5-837b-71ec22f3b16d_terseLabel_en-US" xlink:label="lab_suz_GrantYear2023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Year 2023</link:label>
    <link:label id="lab_suz_GrantYear2023Member_label_en-US" xlink:label="lab_suz_GrantYear2023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Year 2023 [Member]</link:label>
    <link:label id="lab_suz_GrantYear2023Member_documentation_en-US" xlink:label="lab_suz_GrantYear2023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Year 2023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GrantYear2023Member" xlink:href="suz-20260630.xsd#suz_GrantYear2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GrantYear2023Member" xlink:to="lab_suz_GrantYear2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxAssets_019ff75a-d50c-7bde-9eb2-f408f91334ab_totalLabel_en-US" xlink:label="lab_suz_TaxAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Tax Assets</link:label>
    <link:label id="lab_suz_TaxAssets_label_en-US" xlink:label="lab_suz_TaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Assets</link:label>
    <link:label id="lab_suz_TaxAssets_documentation_en-US" xlink:label="lab_suz_TaxAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of value referring to Tax Assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxAssets" xlink:href="suz-20260630.xsd#suz_TaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxAssets" xlink:to="lab_suz_TaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BorrowingsTransactionTypeAxis_019ff75a-d484-7ca0-b671-80eb278f6b3e_terseLabel_en-US" xlink:label="lab_suz_BorrowingsTransactionTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:label id="lab_suz_BorrowingsTransactionTypeAxis_label_en-US" xlink:label="lab_suz_BorrowingsTransactionTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Transaction Type [Axis]</link:label>
    <link:label id="lab_suz_BorrowingsTransactionTypeAxis_documentation_en-US" xlink:label="lab_suz_BorrowingsTransactionTypeAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings Transaction Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BorrowingsTransactionTypeAxis" xlink:href="suz-20260630.xsd#suz_BorrowingsTransactionTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BorrowingsTransactionTypeAxis" xlink:to="lab_suz_BorrowingsTransactionTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_019ff75a-d50c-7f48-9886-1f8a1ab7a54f_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativePassiveTemporaryDifference_019ff75a-d484-7a47-b3f8-965bd5b91f1e_terseLabel_en-US" xlink:label="lab_suz_DerivativePassiveTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, passive temporary difference</link:label>
    <link:label id="lab_suz_DerivativePassiveTemporaryDifference_label_en-US" xlink:label="lab_suz_DerivativePassiveTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Passive Temporary Difference</link:label>
    <link:label id="lab_suz_DerivativePassiveTemporaryDifference_documentation_en-US" xlink:label="lab_suz_DerivativePassiveTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative, Passive Temporary Difference</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativePassiveTemporaryDifference" xlink:href="suz-20260630.xsd#suz_DerivativePassiveTemporaryDifference"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativePassiveTemporaryDifference" xlink:to="lab_suz_DerivativePassiveTemporaryDifference" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_019ff75a-d484-7eea-9391-5587d6c977c5_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2030</link:label>
    <link:label id="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than four years and not later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_country_FI_019ff75a-d3c2-7e03-afa8-318fbcdf332f_terseLabel_en-US" xlink:label="lab_country_FI" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FINLAND</link:label>
    <link:label id="lab_country_FI_label_en-US" xlink:label="lab_country_FI" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FINLAND</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_FI" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_FI"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_FI" xlink:to="lab_country_FI" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_019ff75a-d484-7dbf-bf44-2e99bfb745fc_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory_019ff75a-d5ab-7271-a087-642145269dca_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of allowance for credit losses [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of allowance for credit losses [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ConcentrationRiskPercentage_019ff75a-d5ab-7328-8fcf-c89c6cbd67e0_terseLabel_en-US" xlink:label="lab_suz_ConcentrationRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:label id="lab_suz_ConcentrationRiskPercentage_label_en-US" xlink:label="lab_suz_ConcentrationRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:label id="lab_suz_ConcentrationRiskPercentage_documentation_en-US" xlink:label="lab_suz_ConcentrationRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ConcentrationRiskPercentage" xlink:href="suz-20260630.xsd#suz_ConcentrationRiskPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ConcentrationRiskPercentage" xlink:to="lab_suz_ConcentrationRiskPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_019ff75a-d484-7a01-a589-23a36bd984c2_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Controlling shareholders'</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NemonorteImoveisEParticipacoesLtdaMember_019ff75a-d50c-7fd7-bb21-cf8b93413654_terseLabel_en-US" xlink:label="lab_suz_NemonorteImoveisEParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nemonorte Imoveis e Participacoes Ltda.</link:label>
    <link:label id="lab_suz_NemonorteImoveisEParticipacoesLtdaMember_label_en-US" xlink:label="lab_suz_NemonorteImoveisEParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nemonorte Imoveis e Participacoes Ltda.</link:label>
    <link:label id="lab_suz_NemonorteImoveisEParticipacoesLtdaMember_documentation_en-US" xlink:label="lab_suz_NemonorteImoveisEParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Nemonorte Imoveis e Participacoes Ltda. ("Nemonorte"), a related party, controlled by key management personnel.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NemonorteImoveisEParticipacoesLtdaMember" xlink:href="suz-20260630.xsd#suz_NemonorteImoveisEParticipacoesLtdaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NemonorteImoveisEParticipacoesLtdaMember" xlink:to="lab_suz_NemonorteImoveisEParticipacoesLtdaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PremiumExpensesOnEarlySettlements_019ff75a-d5ab-7b83-bb88-79ab58cb3f86_terseLabel_en-US" xlink:label="lab_suz_PremiumExpensesOnEarlySettlements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Premium expenses on early settlements</link:label>
    <link:label id="lab_suz_PremiumExpensesOnEarlySettlements_label_en-US" xlink:label="lab_suz_PremiumExpensesOnEarlySettlements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Premium expenses on early settlements</link:label>
    <link:label id="lab_suz_PremiumExpensesOnEarlySettlements_documentation_en-US" xlink:label="lab_suz_PremiumExpensesOnEarlySettlements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Premium expenses on early settlements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PremiumExpensesOnEarlySettlements" xlink:href="suz-20260630.xsd#suz_PremiumExpensesOnEarlySettlements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PremiumExpensesOnEarlySettlements" xlink:to="lab_suz_PremiumExpensesOnEarlySettlements" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_019ff75a-d484-772b-a707-80ca7fcf3ee4_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share [abstract]</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareAbstract" xlink:to="lab_ifrs-full_EarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeAxis_019ff75a-d484-7d22-81d2-80599b0e24a8_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:label id="lab_ifrs-full_RangeAxis_label_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeAxis" xlink:to="lab_ifrs-full_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_019ff75a-d5ab-7fdd-b6a7-4cb9422beccd_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="lab_ifrs-full_ComponentsOfEquityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FixedInterestRateMember_019ff75a-d484-71f4-97f4-f0cf0cb53e16_terseLabel_en-US" xlink:label="lab_ifrs-full_FixedInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed</link:label>
    <link:label id="lab_ifrs-full_FixedInterestRateMember_label_en-US" xlink:label="lab_ifrs-full_FixedInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed interest rate [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FixedInterestRateMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FixedInterestRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FixedInterestRateMember" xlink:to="lab_ifrs-full_FixedInterestRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RestrictedShareUnitsMember_019ff75a-d484-7580-80ee-58223de2fca0_terseLabel_en-US" xlink:label="lab_ifrs-full_RestrictedShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted share units</link:label>
    <link:label id="lab_ifrs-full_RestrictedShareUnitsMember_label_en-US" xlink:label="lab_ifrs-full_RestrictedShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted share units [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RestrictedShareUnitsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RestrictedShareUnitsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestrictedShareUnitsMember" xlink:to="lab_ifrs-full_RestrictedShareUnitsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_UseOfEstimatesPolicyPolicyTextBlock_019ff75a-d50c-795e-9751-5bc1dfc96100_terseLabel_en-US" xlink:label="lab_suz_UseOfEstimatesPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Material accounting judgments, estimates and assumptions</link:label>
    <link:label id="lab_suz_UseOfEstimatesPolicyPolicyTextBlock_label_en-US" xlink:label="lab_suz_UseOfEstimatesPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</link:label>
    <link:label id="lab_suz_UseOfEstimatesPolicyPolicyTextBlock_documentation_en-US" xlink:label="lab_suz_UseOfEstimatesPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_UseOfEstimatesPolicyPolicyTextBlock" xlink:href="suz-20260630.xsd#suz_UseOfEstimatesPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_UseOfEstimatesPolicyPolicyTextBlock" xlink:to="lab_suz_UseOfEstimatesPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DescriptionOfAccountingPolicyConsolidatedFinancialStatementsPolicyTextBlock_019ff75a-d50c-741e-b92a-fbd94027cf3c_terseLabel_en-US" xlink:label="lab_suz_DescriptionOfAccountingPolicyConsolidatedFinancialStatementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounting policies adopted</link:label>
    <link:label id="lab_suz_DescriptionOfAccountingPolicyConsolidatedFinancialStatementsPolicyTextBlock_label_en-US" xlink:label="lab_suz_DescriptionOfAccountingPolicyConsolidatedFinancialStatementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy Consolidated Financial Statements [Policy Text Block]</link:label>
    <link:label id="lab_suz_DescriptionOfAccountingPolicyConsolidatedFinancialStatementsPolicyTextBlock_documentation_en-US" xlink:label="lab_suz_DescriptionOfAccountingPolicyConsolidatedFinancialStatementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of policy of consolidated financial statements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DescriptionOfAccountingPolicyConsolidatedFinancialStatementsPolicyTextBlock" xlink:href="suz-20260630.xsd#suz_DescriptionOfAccountingPolicyConsolidatedFinancialStatementsPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DescriptionOfAccountingPolicyConsolidatedFinancialStatementsPolicyTextBlock" xlink:to="lab_suz_DescriptionOfAccountingPolicyConsolidatedFinancialStatementsPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SensitivityAnalysisIncreaseOf0.50PercentMember_019ff75a-d484-7f43-becc-c6533d40a730_terseLabel_en-US" xlink:label="lab_suz_SensitivityAnalysisIncreaseOf0.50PercentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis, +0.50%</link:label>
    <link:label id="lab_suz_SensitivityAnalysisIncreaseOf0.50PercentMember_label_en-US" xlink:label="lab_suz_SensitivityAnalysisIncreaseOf0.50PercentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis, +0.50%</link:label>
    <link:label id="lab_suz_SensitivityAnalysisIncreaseOf0.50PercentMember_documentation_en-US" xlink:label="lab_suz_SensitivityAnalysisIncreaseOf0.50PercentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a sensitivity analysis scenario of an increase in +0.50%.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SensitivityAnalysisIncreaseOf0.50PercentMember" xlink:href="suz-20260630.xsd#suz_SensitivityAnalysisIncreaseOf0.50PercentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SensitivityAnalysisIncreaseOf0.50PercentMember" xlink:to="lab_suz_SensitivityAnalysisIncreaseOf0.50PercentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CostOfSalesDepreciationDepletionAndAmortization_019ff75a-d484-707f-8c27-baea5f80ec84_negatedTerseLabel_en-US" xlink:label="lab_suz_CostOfSalesDepreciationDepletionAndAmortization" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depreciation, depletion and amortization</link:label>
    <link:label id="lab_suz_CostOfSalesDepreciationDepletionAndAmortization_label_en-US" xlink:label="lab_suz_CostOfSalesDepreciationDepletionAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Sales, Depreciation, Depletion and Amortization</link:label>
    <link:label id="lab_suz_CostOfSalesDepreciationDepletionAndAmortization_documentation_en-US" xlink:label="lab_suz_CostOfSalesDepreciationDepletionAndAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of depreciation and amortization relating to cost of sales.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CostOfSalesDepreciationDepletionAndAmortization" xlink:href="suz-20260630.xsd#suz_CostOfSalesDepreciationDepletionAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CostOfSalesDepreciationDepletionAndAmortization" xlink:to="lab_suz_CostOfSalesDepreciationDepletionAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_019ff75a-d50c-7d5f-b29e-0a7a12c0ac8a_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Profit (loss) before tax</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_019ff75a-d50c-7289-911f-ac4feb8f49a8_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income before taxes</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="lab_ifrs-full_ProfitLossBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IdentifiableAssetsAcquiredLiabilitiesAssumedCarryingValue_019ff75a-d5ab-7409-836a-c0414fe2be33_terseLabel_en-US" xlink:label="lab_suz_IdentifiableAssetsAcquiredLiabilitiesAssumedCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount of net assets</link:label>
    <link:label id="lab_suz_IdentifiableAssetsAcquiredLiabilitiesAssumedCarryingValue_label_en-US" xlink:label="lab_suz_IdentifiableAssetsAcquiredLiabilitiesAssumedCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Identifiable Assets Acquired (Liabilities Assumed), Carrying Value</link:label>
    <link:label id="lab_suz_IdentifiableAssetsAcquiredLiabilitiesAssumedCarryingValue_documentation_en-US" xlink:label="lab_suz_IdentifiableAssetsAcquiredLiabilitiesAssumedCarryingValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Identifiable Assets Acquired (Liabilities Assumed), Carrying Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IdentifiableAssetsAcquiredLiabilitiesAssumedCarryingValue" xlink:href="suz-20260630.xsd#suz_IdentifiableAssetsAcquiredLiabilitiesAssumedCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IdentifiableAssetsAcquiredLiabilitiesAssumedCarryingValue" xlink:to="lab_suz_IdentifiableAssetsAcquiredLiabilitiesAssumedCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoPulpAndPaperAmericaInc.Member_019ff75a-d484-7762-a2ad-73507d68dcc5_terseLabel_en-US" xlink:label="lab_suz_SuzanoPulpAndPaperAmericaInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Pulp and Paper America Inc. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoPulpAndPaperAmericaInc.Member_label_en-US" xlink:label="lab_suz_SuzanoPulpAndPaperAmericaInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Pulp and Paper America Inc.</link:label>
    <link:label id="lab_suz_SuzanoPulpAndPaperAmericaInc.Member_documentation_en-US" xlink:label="lab_suz_SuzanoPulpAndPaperAmericaInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Pulp and Paper America Inc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoPulpAndPaperAmericaInc.Member" xlink:href="suz-20260630.xsd#suz_SuzanoPulpAndPaperAmericaInc.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoPulpAndPaperAmericaInc.Member" xlink:to="lab_suz_SuzanoPulpAndPaperAmericaInc.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MarketableSecuritiesCurrent_019ff75a-d5ab-77a5-a50b-006173bc46c5_terseLabel_en-US" xlink:label="lab_suz_MarketableSecuritiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketable securities</link:label>
    <link:label id="lab_suz_MarketableSecuritiesCurrent_label_en-US" xlink:label="lab_suz_MarketableSecuritiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities Current</link:label>
    <link:label id="lab_suz_MarketableSecuritiesCurrent_documentation_en-US" xlink:label="lab_suz_MarketableSecuritiesCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents marketable securities current, realizable within one year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MarketableSecuritiesCurrent" xlink:href="suz-20260630.xsd#suz_MarketableSecuritiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MarketableSecuritiesCurrent" xlink:to="lab_suz_MarketableSecuritiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CapitalReserve_019ff75a-d484-7715-a01d-f65bead390aa_terseLabel_en-US" xlink:label="lab_ifrs-full_CapitalReserve" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital reserves</link:label>
    <link:label id="lab_ifrs-full_CapitalReserve_label_en-US" xlink:label="lab_ifrs-full_CapitalReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital reserve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CapitalReserve" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalReserve"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalReserve" xlink:to="lab_ifrs-full_CapitalReserve" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_StockCanceledDuringThePeriodValue_019ff75a-d50c-70b0-a5d2-29b76a137b5b_terseLabel_en-US" xlink:label="lab_suz_StockCanceledDuringThePeriodValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Canceled</link:label>
    <link:label id="lab_suz_StockCanceledDuringThePeriodValue_label_en-US" xlink:label="lab_suz_StockCanceledDuringThePeriodValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Canceled During The Period Value</link:label>
    <link:label id="lab_suz_StockCanceledDuringThePeriodValue_documentation_en-US" xlink:label="lab_suz_StockCanceledDuringThePeriodValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock Canceled During The Period Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_StockCanceledDuringThePeriodValue" xlink:href="suz-20260630.xsd#suz_StockCanceledDuringThePeriodValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_StockCanceledDuringThePeriodValue" xlink:to="lab_suz_StockCanceledDuringThePeriodValue" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_AfricaMember_019ff75a-d484-76fa-bead-74f20cb4ff31_terseLabel_en-US" xlink:label="lab_srt_AfricaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Africa</link:label>
    <link:label id="lab_srt_AfricaMember_label_en-US" xlink:label="lab_srt_AfricaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Africa [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AfricaMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_AfricaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_AfricaMember" xlink:to="lab_srt_AfricaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SellingExpense_019ff75a-d484-7205-b2cf-604f8a7acd9f_negatedLabel_en-US" xlink:label="lab_ifrs-full_SellingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Selling expense</link:label>
    <link:label id="lab_ifrs-full_SellingExpense_019ff75a-d484-7e5b-afee-e486857a445a_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_SellingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Selling</link:label>
    <link:label id="lab_ifrs-full_SellingExpense_label_en-US" xlink:label="lab_ifrs-full_SellingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SellingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SellingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SellingExpense" xlink:to="lab_ifrs-full_SellingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_country_EC_019ff75a-d5ab-7815-8227-0ba6dfb751e7_terseLabel_en-US" xlink:label="lab_country_EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECUADOR</link:label>
    <link:label id="lab_country_EC_label_en-US" xlink:label="lab_country_EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECUADOR</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_EC" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_EC"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_EC" xlink:to="lab_country_EC" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapSOFRToFixedUSMember_019ff75a-d484-7fd7-a01f-2456aed8f204_terseLabel_en-US" xlink:label="lab_suz_SwapSOFRToFixedUSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap SOFR x Fixed (US$)</link:label>
    <link:label id="lab_suz_SwapSOFRToFixedUSMember_label_en-US" xlink:label="lab_suz_SwapSOFRToFixedUSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap SOFR to Fixed (US$) [Member]</link:label>
    <link:label id="lab_suz_SwapSOFRToFixedUSMember_documentation_en-US" xlink:label="lab_suz_SwapSOFRToFixedUSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap SOFR to Fixed (US$)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapSOFRToFixedUSMember" xlink:href="suz-20260630.xsd#suz_SwapSOFRToFixedUSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapSOFRToFixedUSMember" xlink:to="lab_suz_SwapSOFRToFixedUSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfProceedingsDomain_019ff75a-d5ab-7dd1-8797-924e11c3afbe_terseLabel_en-US" xlink:label="lab_suz_NumberOfProceedingsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Proceedings [Domain]</link:label>
    <link:label id="lab_suz_NumberOfProceedingsDomain_label_en-US" xlink:label="lab_suz_NumberOfProceedingsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Proceedings [Domain]</link:label>
    <link:label id="lab_suz_NumberOfProceedingsDomain_documentation_en-US" xlink:label="lab_suz_NumberOfProceedingsDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Proceedings [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfProceedingsDomain" xlink:href="suz-20260630.xsd#suz_NumberOfProceedingsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfProceedingsDomain" xlink:to="lab_suz_NumberOfProceedingsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_019ff75a-d484-77c6-a722-608632e555a3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shareholder's equity</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of share capital, reserves and other equity interest [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:to="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxesAndSocialSecurityMember_019ff75a-d50c-7a93-a5ae-908215b23848_terseLabel_en-US" xlink:label="lab_suz_TaxesAndSocialSecurityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax and social security</link:label>
    <link:label id="lab_suz_TaxesAndSocialSecurityMember_label_en-US" xlink:label="lab_suz_TaxesAndSocialSecurityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Taxes and social security [Member]</link:label>
    <link:label id="lab_suz_TaxesAndSocialSecurityMember_documentation_en-US" xlink:label="lab_suz_TaxesAndSocialSecurityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a contingent liability for taxes and social security.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxesAndSocialSecurityMember" xlink:href="suz-20260630.xsd#suz_TaxesAndSocialSecurityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxesAndSocialSecurityMember" xlink:to="lab_suz_TaxesAndSocialSecurityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SecuredOvernightFinancingRateSOFR1Member_019ff75a-d5ab-7741-82f4-d87f6a74154a_terseLabel_en-US" xlink:label="lab_suz_SecuredOvernightFinancingRateSOFR1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SOFR</link:label>
    <link:label id="lab_suz_SecuredOvernightFinancingRateSOFR1Member_label_en-US" xlink:label="lab_suz_SecuredOvernightFinancingRateSOFR1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Overnight Financing Rate (SOFR)1 [Member]</link:label>
    <link:label id="lab_suz_SecuredOvernightFinancingRateSOFR1Member_documentation_en-US" xlink:label="lab_suz_SecuredOvernightFinancingRateSOFR1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fixed rate on U.S. dollar, constant-notional interest rate swap that has its variable-rate leg referenced to Secured Overnight Financing Rate (SOFR) with no additional spread over SOFR on variable-rate leg.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SecuredOvernightFinancingRateSOFR1Member" xlink:href="suz-20260630.xsd#suz_SecuredOvernightFinancingRateSOFR1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SecuredOvernightFinancingRateSOFR1Member" xlink:to="lab_suz_SecuredOvernightFinancingRateSOFR1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AfterTaxDiscountRateAppliedToCashFlowProjectionsOfBothCashGeneratingUnitsIsHigherThanManagementsEstimates_019ff75a-d5ab-7961-9751-10c4a920cbf4_terseLabel_en-US" xlink:label="lab_suz_AfterTaxDiscountRateAppliedToCashFlowProjectionsOfBothCashGeneratingUnitsIsHigherThanManagementsEstimates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">After-tax discount rate applied to cash flow projections of both cash-generating units is higher than management's estimates</link:label>
    <link:label id="lab_suz_AfterTaxDiscountRateAppliedToCashFlowProjectionsOfBothCashGeneratingUnitsIsHigherThanManagementsEstimates_label_en-US" xlink:label="lab_suz_AfterTaxDiscountRateAppliedToCashFlowProjectionsOfBothCashGeneratingUnitsIsHigherThanManagementsEstimates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">After-tax discount rate applied to cash flow projections of both cash-generating units is higher than management's estimates</link:label>
    <link:label id="lab_suz_AfterTaxDiscountRateAppliedToCashFlowProjectionsOfBothCashGeneratingUnitsIsHigherThanManagementsEstimates_documentation_en-US" xlink:label="lab_suz_AfterTaxDiscountRateAppliedToCashFlowProjectionsOfBothCashGeneratingUnitsIsHigherThanManagementsEstimates" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">After-tax discount rate applied to cash flow projections of both cash-generating units is higher than management's estimates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AfterTaxDiscountRateAppliedToCashFlowProjectionsOfBothCashGeneratingUnitsIsHigherThanManagementsEstimates" xlink:href="suz-20260630.xsd#suz_AfterTaxDiscountRateAppliedToCashFlowProjectionsOfBothCashGeneratingUnitsIsHigherThanManagementsEstimates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AfterTaxDiscountRateAppliedToCashFlowProjectionsOfBothCashGeneratingUnitsIsHigherThanManagementsEstimates" xlink:to="lab_suz_AfterTaxDiscountRateAppliedToCashFlowProjectionsOfBothCashGeneratingUnitsIsHigherThanManagementsEstimates" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfLiquidityRiskExplanatory_019ff75a-d5ab-7959-abd1-e26890c9dfce_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfLiquidityRiskExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instrument - Liquidity risk</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfLiquidityRiskExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfLiquidityRiskExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of liquidity risk [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfLiquidityRiskExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfLiquidityRiskExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfLiquidityRiskExplanatory" xlink:to="lab_ifrs-full_DisclosureOfLiquidityRiskExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LeaseLiabilitiesPayments_019ff75a-d50c-7b6b-86a5-a7a468a7ec48_negatedTerseLabel_en-US" xlink:label="lab_suz_LeaseLiabilitiesPayments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments</link:label>
    <link:label id="lab_suz_LeaseLiabilitiesPayments_label_en-US" xlink:label="lab_suz_LeaseLiabilitiesPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities, Payments</link:label>
    <link:label id="lab_suz_LeaseLiabilitiesPayments_documentation_en-US" xlink:label="lab_suz_LeaseLiabilitiesPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of payment relating to lease liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LeaseLiabilitiesPayments" xlink:href="suz-20260630.xsd#suz_LeaseLiabilitiesPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LeaseLiabilitiesPayments" xlink:to="lab_suz_LeaseLiabilitiesPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesDomain_019ff75a-d50c-75ee-ae0a-5f28e2d07006_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of related parties [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of related parties [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfChangesInProvisionsForInventoryLossesTableTextBlock_019ff75a-d484-72d6-8f28-2aad927ef6a9_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfChangesInProvisionsForInventoryLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule Of Changes In Provisions For Inventory Losses</link:label>
    <link:label id="lab_suz_ScheduleOfChangesInProvisionsForInventoryLossesTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfChangesInProvisionsForInventoryLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Changes In Provisions For Inventory Losses [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfChangesInProvisionsForInventoryLossesTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfChangesInProvisionsForInventoryLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the changes in provisions for inventory losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfChangesInProvisionsForInventoryLossesTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfChangesInProvisionsForInventoryLossesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfChangesInProvisionsForInventoryLossesTableTextBlock" xlink:to="lab_suz_ScheduleOfChangesInProvisionsForInventoryLossesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_019ff75a-d5ab-7f2b-a048-9a7b7e3bf9d6_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentAssets" xlink:to="lab_ifrs-full_OtherCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdvanceOfExchangeContractACCBNPParibasMember_019ff75a-d5ab-75c3-806a-2452ecc7b823_terseLabel_en-US" xlink:label="lab_suz_AdvanceOfExchangeContractACCBNPParibasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advance of exchange contract (ACC) - BNP Paribas</link:label>
    <link:label id="lab_suz_AdvanceOfExchangeContractACCBNPParibasMember_label_en-US" xlink:label="lab_suz_AdvanceOfExchangeContractACCBNPParibasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advance of exchange contract (ACC) - BNP Paribas [Member]</link:label>
    <link:label id="lab_suz_AdvanceOfExchangeContractACCBNPParibasMember_documentation_en-US" xlink:label="lab_suz_AdvanceOfExchangeContractACCBNPParibasMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advance of exchange contract (ACC) - BNP Paribas</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdvanceOfExchangeContractACCBNPParibasMember" xlink:href="suz-20260630.xsd#suz_AdvanceOfExchangeContractACCBNPParibasMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdvanceOfExchangeContractACCBNPParibasMember" xlink:to="lab_suz_AdvanceOfExchangeContractACCBNPParibasMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_JointVenturesMember_019ff75a-d5ab-7e52-9707-d26a6e263956_terseLabel_en-US" xlink:label="lab_ifrs-full_JointVenturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Joint ventures</link:label>
    <link:label id="lab_ifrs-full_JointVenturesMember_label_en-US" xlink:label="lab_ifrs-full_JointVenturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total for all joint ventures [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_JointVenturesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_JointVenturesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_JointVenturesMember" xlink:to="lab_ifrs-full_JointVenturesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_019ff75a-d50c-7fde-a6ac-f627d82355dd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets_019ff75a-d5ab-7586-a83c-3c90cf09bd6c_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Physical changes</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on fair value adjustment attributable to physical changes, biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets" xlink:to="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinancialInstrumentsAndRiskManagementAbstract_label_en-US" xlink:label="lab_suz_FinancialInstrumentsAndRiskManagementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments and Risk Management [Abstract]</link:label>
    <link:label id="lab_suz_FinancialInstrumentsAndRiskManagementAbstract_documentation_en-US" xlink:label="lab_suz_FinancialInstrumentsAndRiskManagementAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Instruments and Risk Management [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinancialInstrumentsAndRiskManagementAbstract" xlink:href="suz-20260630.xsd#suz_FinancialInstrumentsAndRiskManagementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinancialInstrumentsAndRiskManagementAbstract" xlink:to="lab_suz_FinancialInstrumentsAndRiskManagementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EcoInvestBancoDoBrasilMember_019ff75a-d5ab-78ef-ae2c-3c95ffcf88f4_terseLabel_en-US" xlink:label="lab_suz_EcoInvestBancoDoBrasilMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Eco Invest - Banco do Brasil</link:label>
    <link:label id="lab_suz_EcoInvestBancoDoBrasilMember_label_en-US" xlink:label="lab_suz_EcoInvestBancoDoBrasilMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Eco Invest - Banco do Brasil [Member]</link:label>
    <link:label id="lab_suz_EcoInvestBancoDoBrasilMember_documentation_en-US" xlink:label="lab_suz_EcoInvestBancoDoBrasilMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Eco Invest - Banco do Brasil</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EcoInvestBancoDoBrasilMember" xlink:href="suz-20260630.xsd#suz_EcoInvestBancoDoBrasilMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EcoInvestBancoDoBrasilMember" xlink:to="lab_suz_EcoInvestBancoDoBrasilMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_019ff75a-d5ab-7250-bbf0-5c8edd240e15_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GoodwillBasedOnExpectedFutureProfitability_019ff75a-d484-7ab2-98a4-c7aff042e7fd_terseLabel_en-US" xlink:label="lab_suz_GoodwillBasedOnExpectedFutureProfitability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill Based On Expected Future Profitability</link:label>
    <link:label id="lab_suz_GoodwillBasedOnExpectedFutureProfitability_label_en-US" xlink:label="lab_suz_GoodwillBasedOnExpectedFutureProfitability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill Based On Expected Future Profitability</link:label>
    <link:label id="lab_suz_GoodwillBasedOnExpectedFutureProfitability_documentation_en-US" xlink:label="lab_suz_GoodwillBasedOnExpectedFutureProfitability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of goodwill from expected future profitability arising from the business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GoodwillBasedOnExpectedFutureProfitability" xlink:href="suz-20260630.xsd#suz_GoodwillBasedOnExpectedFutureProfitability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GoodwillBasedOnExpectedFutureProfitability" xlink:to="lab_suz_GoodwillBasedOnExpectedFutureProfitability" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SOFRTerm1.75Member_019ff75a-d50c-7016-b7fd-1b8508cc7eea_terseLabel_en-US" xlink:label="lab_suz_SOFRTerm1.75Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SOFR Term +1.75%</link:label>
    <link:label id="lab_suz_SOFRTerm1.75Member_label_en-US" xlink:label="lab_suz_SOFRTerm1.75Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SOFR Term +1.75% [Member]</link:label>
    <link:label id="lab_suz_SOFRTerm1.75Member_documentation_en-US" xlink:label="lab_suz_SOFRTerm1.75Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SOFR Term +1.75%</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SOFRTerm1.75Member" xlink:href="suz-20260630.xsd#suz_SOFRTerm1.75Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SOFRTerm1.75Member" xlink:to="lab_suz_SOFRTerm1.75Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FixedMember_019ff75a-d5ab-7368-9055-3866da665622_terseLabel_en-US" xlink:label="lab_suz_FixedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed</link:label>
    <link:label id="lab_suz_FixedMember_label_en-US" xlink:label="lab_suz_FixedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed [Member]</link:label>
    <link:label id="lab_suz_FixedMember_documentation_en-US" xlink:label="lab_suz_FixedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fixed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FixedMember" xlink:href="suz-20260630.xsd#suz_FixedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FixedMember" xlink:to="lab_suz_FixedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SimplifyberIncMember_019ff75a-d50c-7fa7-b058-46b715de7f71_terseLabel_en-US" xlink:label="lab_suz_SimplifyberIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Simplifyber, Inc. (Indirect)</link:label>
    <link:label id="lab_suz_SimplifyberIncMember_label_en-US" xlink:label="lab_suz_SimplifyberIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Simplifyber, Inc [Member]</link:label>
    <link:label id="lab_suz_SimplifyberIncMember_documentation_en-US" xlink:label="lab_suz_SimplifyberIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Simplifyber, Inc</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SimplifyberIncMember" xlink:href="suz-20260630.xsd#suz_SimplifyberIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SimplifyberIncMember" xlink:to="lab_suz_SimplifyberIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities_019ff75a-d5ab-7d68-ad96-2a6861f0356c_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest received on marketable securities</link:label>
    <link:label id="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest received, classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestReceivedClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax_019ff75a-d5ab-7aa0-915e-b15796089c2b_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Items with subsequent effect on income (loss)</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income that will be reclassified to profit or loss, before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about biological assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBiologicalAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AmountRemovedFromReserveOfAssetsDeemedCostAdjustmentNetOfDeferredTaxes_019ff75a-d484-794f-aa84-c7a24792562b_negatedTerseLabel_en-US" xlink:label="lab_suz_AmountRemovedFromReserveOfAssetsDeemedCostAdjustmentNetOfDeferredTaxes" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amount Removed From Reserve Of Assets Deemed Cost Adjustment Net Of Deferred Taxes</link:label>
    <link:label id="lab_suz_AmountRemovedFromReserveOfAssetsDeemedCostAdjustmentNetOfDeferredTaxes_label_en-US" xlink:label="lab_suz_AmountRemovedFromReserveOfAssetsDeemedCostAdjustmentNetOfDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Removed From Reserve Of Assets Deemed Cost Adjustment Net Of Deferred Taxes</link:label>
    <link:label id="lab_suz_AmountRemovedFromReserveOfAssetsDeemedCostAdjustmentNetOfDeferredTaxes_documentation_en-US" xlink:label="lab_suz_AmountRemovedFromReserveOfAssetsDeemedCostAdjustmentNetOfDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount removed from reserve of assets' deemed cost adjustment, net of deferred taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AmountRemovedFromReserveOfAssetsDeemedCostAdjustmentNetOfDeferredTaxes" xlink:href="suz-20260630.xsd#suz_AmountRemovedFromReserveOfAssetsDeemedCostAdjustmentNetOfDeferredTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AmountRemovedFromReserveOfAssetsDeemedCostAdjustmentNetOfDeferredTaxes" xlink:to="lab_suz_AmountRemovedFromReserveOfAssetsDeemedCostAdjustmentNetOfDeferredTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GrantYear2025Member_019ff75a-d3c2-7db5-aa6a-41f3727a56f0_terseLabel_en-US" xlink:label="lab_suz_GrantYear2025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Year 2025</link:label>
    <link:label id="lab_suz_GrantYear2025Member_label_en-US" xlink:label="lab_suz_GrantYear2025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Year 2025 [Member]</link:label>
    <link:label id="lab_suz_GrantYear2025Member_documentation_en-US" xlink:label="lab_suz_GrantYear2025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Year 2025</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GrantYear2025Member" xlink:href="suz-20260630.xsd#suz_GrantYear2025Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GrantYear2025Member" xlink:to="lab_suz_GrantYear2025Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_019ff75a-d50c-7d71-b9a4-0c0c36ab5ebe_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MabexRepresentacoesEParticipacoesLtdaMember_019ff75a-d484-7cad-a0c8-5ea49723f425_terseLabel_en-US" xlink:label="lab_suz_MabexRepresentacoesEParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mabex Representacoes e Participacoes Ltda.</link:label>
    <link:label id="lab_suz_MabexRepresentacoesEParticipacoesLtdaMember_label_en-US" xlink:label="lab_suz_MabexRepresentacoesEParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mabex Representacoes e Participacoes Ltda.</link:label>
    <link:label id="lab_suz_MabexRepresentacoesEParticipacoesLtdaMember_documentation_en-US" xlink:label="lab_suz_MabexRepresentacoesEParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Mabex Representacoes e Participacoes Ltda. ("Mabex"), a related party, controlled by key management personnel.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MabexRepresentacoesEParticipacoesLtdaMember" xlink:href="suz-20260630.xsd#suz_MabexRepresentacoesEParticipacoesLtdaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MabexRepresentacoesEParticipacoesLtdaMember" xlink:to="lab_suz_MabexRepresentacoesEParticipacoesLtdaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageShares_019ff75a-d5ab-7586-a233-74da6707f86c_verboseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of outstanding shares &#8211; in thousands</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageShares_019ff75a-d5ab-7791-901f-421474ccd321_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of outstanding shares &#8211; in thousands</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating basic earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageShares" xlink:to="lab_ifrs-full_WeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LeaseLiabilitiesExchangeRateVariation_019ff75a-d5ab-7850-8fae-2d5523938f9c_terseLabel_en-US" xlink:label="lab_suz_LeaseLiabilitiesExchangeRateVariation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange rate variations</link:label>
    <link:label id="lab_suz_LeaseLiabilitiesExchangeRateVariation_label_en-US" xlink:label="lab_suz_LeaseLiabilitiesExchangeRateVariation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities, Exchange rate variation</link:label>
    <link:label id="lab_suz_LeaseLiabilitiesExchangeRateVariation_documentation_en-US" xlink:label="lab_suz_LeaseLiabilitiesExchangeRateVariation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of adjustment due to exchange rate variations relating to lease liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LeaseLiabilitiesExchangeRateVariation" xlink:href="suz-20260630.xsd#suz_LeaseLiabilitiesExchangeRateVariation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LeaseLiabilitiesExchangeRateVariation" xlink:to="lab_suz_LeaseLiabilitiesExchangeRateVariation" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ReserveBalances_019ff75a-d50c-7442-a8cc-353b3ee0f64e_terseLabel_en-US" xlink:label="lab_suz_ReserveBalances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserve balances</link:label>
    <link:label id="lab_suz_ReserveBalances_label_en-US" xlink:label="lab_suz_ReserveBalances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve Balances</link:label>
    <link:label id="lab_suz_ReserveBalances_documentation_en-US" xlink:label="lab_suz_ReserveBalances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of reserve balances as of balance sheet date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ReserveBalances" xlink:href="suz-20260630.xsd#suz_ReserveBalances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ReserveBalances" xlink:to="lab_suz_ReserveBalances" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfDilutedEarningsLossesPerShareTableTextBlock_019ff75a-d5ab-73aa-941f-c4d6399ee19c_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfDilutedEarningsLossesPerShareTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Diluted Earnings (Losses) Per Share</link:label>
    <link:label id="lab_suz_ScheduleOfDilutedEarningsLossesPerShareTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfDilutedEarningsLossesPerShareTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Diluted Earnings (Losses) Per Share [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfDilutedEarningsLossesPerShareTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfDilutedEarningsLossesPerShareTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the effect of income (loss) on an entity's diluted earnings per share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfDilutedEarningsLossesPerShareTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfDilutedEarningsLossesPerShareTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfDilutedEarningsLossesPerShareTableTextBlock" xlink:to="lab_suz_ScheduleOfDilutedEarningsLossesPerShareTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PrivateSecuritiesMember_019ff75a-d3c2-7e07-a59c-6ccc05e6782d_terseLabel_en-US" xlink:label="lab_suz_PrivateSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private Securities</link:label>
    <link:label id="lab_suz_PrivateSecuritiesMember_label_en-US" xlink:label="lab_suz_PrivateSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Securities [Member]</link:label>
    <link:label id="lab_suz_PrivateSecuritiesMember_documentation_en-US" xlink:label="lab_suz_PrivateSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Private Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PrivateSecuritiesMember" xlink:href="suz-20260630.xsd#suz_PrivateSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PrivateSecuritiesMember" xlink:to="lab_suz_PrivateSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DeferredFinanceCostsNetYetToBeAmortized_019ff75a-d50c-7249-8c8d-0da8c2e1b8c6_terseLabel_en-US" xlink:label="lab_suz_DeferredFinanceCostsNetYetToBeAmortized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balance to be amortized</link:label>
    <link:label id="lab_suz_DeferredFinanceCostsNetYetToBeAmortized_label_en-US" xlink:label="lab_suz_DeferredFinanceCostsNetYetToBeAmortized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Finance Costs Net, Yet to be Amortized</link:label>
    <link:label id="lab_suz_DeferredFinanceCostsNetYetToBeAmortized_documentation_en-US" xlink:label="lab_suz_DeferredFinanceCostsNetYetToBeAmortized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of debt issuance costs balance yet to be amortized.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DeferredFinanceCostsNetYetToBeAmortized" xlink:href="suz-20260630.xsd#suz_DeferredFinanceCostsNetYetToBeAmortized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DeferredFinanceCostsNetYetToBeAmortized" xlink:to="lab_suz_DeferredFinanceCostsNetYetToBeAmortized" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_019ff75a-d50c-74db-943c-6ce6065646cb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CivelecParticipacoesLtdaMember_019ff75a-d50c-7ef9-8715-94c81c43f694_terseLabel_en-US" xlink:label="lab_suz_CivelecParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Civelec Participa&#231;&#245;es Ltda</link:label>
    <link:label id="lab_suz_CivelecParticipacoesLtdaMember_label_en-US" xlink:label="lab_suz_CivelecParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Civelec Participa&#231;&#245;es Ltda [Member]</link:label>
    <link:label id="lab_suz_CivelecParticipacoesLtdaMember_documentation_en-US" xlink:label="lab_suz_CivelecParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Civelec Participa&#231;&#245;es Ltda</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CivelecParticipacoesLtdaMember" xlink:href="suz-20260630.xsd#suz_CivelecParticipacoesLtdaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CivelecParticipacoesLtdaMember" xlink:to="lab_suz_CivelecParticipacoesLtdaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FETecnologiaDoBrasilS.a.Member_019ff75a-d50c-726a-a313-b3f2258446c5_terseLabel_en-US" xlink:label="lab_suz_FETecnologiaDoBrasilS.a.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">F&amp;E Tecnologia do Brasil S.A. (Direct)</link:label>
    <link:label id="lab_suz_FETecnologiaDoBrasilS.a.Member_label_en-US" xlink:label="lab_suz_FETecnologiaDoBrasilS.a.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">F&amp;E Tecnologia do Brasil S.A.</link:label>
    <link:label id="lab_suz_FETecnologiaDoBrasilS.a.Member_documentation_en-US" xlink:label="lab_suz_FETecnologiaDoBrasilS.a.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for F&amp;E Tecnologia do Brasil S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FETecnologiaDoBrasilS.a.Member" xlink:href="suz-20260630.xsd#suz_FETecnologiaDoBrasilS.a.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FETecnologiaDoBrasilS.a.Member" xlink:to="lab_suz_FETecnologiaDoBrasilS.a.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfValuationTechniquesUsedToMeasureFairValueLessCostsOfDisposal_019ff75a-d50c-7d6b-a314-4151fa31080d_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfValuationTechniquesUsedToMeasureFairValueLessCostsOfDisposal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description of valuation techniques used to measure fair value less costs of disposal</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfValuationTechniquesUsedToMeasureFairValueLessCostsOfDisposal_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfValuationTechniquesUsedToMeasureFairValueLessCostsOfDisposal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of valuation techniques used to measure fair value less costs of disposal</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfValuationTechniquesUsedToMeasureFairValueLessCostsOfDisposal" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfValuationTechniquesUsedToMeasureFairValueLessCostsOfDisposal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfValuationTechniquesUsedToMeasureFairValueLessCostsOfDisposal" xlink:to="lab_ifrs-full_DescriptionOfValuationTechniquesUsedToMeasureFairValueLessCostsOfDisposal" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAdvancesToSuppliers_019ff75a-d484-761d-82a2-2a0287ffb199_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to suppliers</link:label>
    <link:label id="lab_ifrs-full_CurrentAdvancesToSuppliers_019ff75a-d484-7e9e-8f77-919765fae855_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentAdvancesToSuppliers_label_en-US" xlink:label="lab_ifrs-full_CurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current advances to suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAdvancesToSuppliers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAdvancesToSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAdvancesToSuppliers" xlink:to="lab_ifrs-full_CurrentAdvancesToSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_019ff75a-d3c2-7d77-a3ed-949089443e8f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CreditRiskManagementPracticesExplanatory_019ff75a-d3c2-76d3-8441-6b6b940ae065_terseLabel_en-US" xlink:label="lab_suz_CreditRiskManagementPracticesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit risk exposure</link:label>
    <link:label id="lab_suz_CreditRiskManagementPracticesExplanatory_label_en-US" xlink:label="lab_suz_CreditRiskManagementPracticesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Risk Management Practices Explanatory</link:label>
    <link:label id="lab_suz_CreditRiskManagementPracticesExplanatory_documentation_en-US" xlink:label="lab_suz_CreditRiskManagementPracticesExplanatory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Risk Management Practices Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CreditRiskManagementPracticesExplanatory" xlink:href="suz-20260630.xsd#suz_CreditRiskManagementPracticesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CreditRiskManagementPracticesExplanatory" xlink:to="lab_suz_CreditRiskManagementPracticesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherReserves_019ff75a-d50c-73a0-bd87-16db402dd816_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_OtherReserves_label_en-US" xlink:label="lab_ifrs-full_OtherReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReserves" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherReserves" xlink:to="lab_ifrs-full_OtherReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Above80YearsMember_019ff75a-d50c-72ae-aa19-ab88052eb37e_terseLabel_en-US" xlink:label="lab_suz_Above80YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial Assumption, Aging Factor, Ages: Above 80 years</link:label>
    <link:label id="lab_suz_Above80YearsMember_label_en-US" xlink:label="lab_suz_Above80YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial Assumption, Aging Factor, Ages: Above 80 years</link:label>
    <link:label id="lab_suz_Above80YearsMember_documentation_en-US" xlink:label="lab_suz_Above80YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for above 80 ears age.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Above80YearsMember" xlink:href="suz-20260630.xsd#suz_Above80YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Above80YearsMember" xlink:to="lab_suz_Above80YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_019ff75a-d5ab-7da8-b35a-4a0c9f7b99f1_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation plan</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, share-based payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonAdjustingEventsAfterReportingPeriodMember_019ff75a-d5ab-7a5e-9df0-2e42c59f6e33_terseLabel_en-US" xlink:label="lab_suz_NonAdjustingEventsAfterReportingPeriodMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Adjusting Events After Reporting Period</link:label>
    <link:label id="lab_suz_NonAdjustingEventsAfterReportingPeriodMember_label_en-US" xlink:label="lab_suz_NonAdjustingEventsAfterReportingPeriodMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Adjusting Events After Reporting Period [Member]</link:label>
    <link:label id="lab_suz_NonAdjustingEventsAfterReportingPeriodMember_documentation_en-US" xlink:label="lab_suz_NonAdjustingEventsAfterReportingPeriodMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-Adjusting Events After Reporting Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonAdjustingEventsAfterReportingPeriodMember" xlink:href="suz-20260630.xsd#suz_NonAdjustingEventsAfterReportingPeriodMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonAdjustingEventsAfterReportingPeriodMember" xlink:to="lab_suz_NonAdjustingEventsAfterReportingPeriodMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLThisIsAnAdministrativeProceedingInitiatedInOctober2023Member_019ff75a-d5ab-7a19-9b08-0adb0e21fbb4_terseLabel_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLThisIsAnAdministrativeProceedingInitiatedInOctober2023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL: This is an administrative proceeding initiated in October 2023 [Member]</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLThisIsAnAdministrativeProceedingInitiatedInOctober2023Member_label_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLThisIsAnAdministrativeProceedingInitiatedInOctober2023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL: This is an administrative proceeding initiated in October 2023 [Member]</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLThisIsAnAdministrativeProceedingInitiatedInOctober2023Member_documentation_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLThisIsAnAdministrativeProceedingInitiatedInOctober2023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL: This is an administrative proceeding initiated in October 2023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxAssessmentIRPJCSLLThisIsAnAdministrativeProceedingInitiatedInOctober2023Member" xlink:href="suz-20260630.xsd#suz_IncomeTaxAssessmentIRPJCSLLThisIsAnAdministrativeProceedingInitiatedInOctober2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxAssessmentIRPJCSLLThisIsAnAdministrativeProceedingInitiatedInOctober2023Member" xlink:to="lab_suz_IncomeTaxAssessmentIRPJCSLLThisIsAnAdministrativeProceedingInitiatedInOctober2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Borrowings_019ff75a-d50c-700c-b283-b116e3aa080b_totalLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019ff75a-d50c-71a1-9f9a-5c497be3c27c_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019ff75a-d50c-7193-b212-9e87cfca255c_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing balance</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019ff75a-d50c-7ca2-afb7-9dc7b5ca0099_terseLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_Borrowings_label_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Borrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Borrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Borrowings" xlink:to="lab_ifrs-full_Borrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RecoverableTaxesAbstract_label_en-US" xlink:label="lab_suz_RecoverableTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recoverable Taxes [Abstract]</link:label>
    <link:label id="lab_suz_RecoverableTaxesAbstract_documentation_en-US" xlink:label="lab_suz_RecoverableTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recoverable Taxes [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RecoverableTaxesAbstract" xlink:href="suz-20260630.xsd#suz_RecoverableTaxesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RecoverableTaxesAbstract" xlink:to="lab_suz_RecoverableTaxesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfIndustrialUnits_019ff75a-d5ab-73f4-b850-e522702047d8_terseLabel_en-US" xlink:label="lab_suz_NumberOfIndustrialUnits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Industrial Units</link:label>
    <link:label id="lab_suz_NumberOfIndustrialUnits_label_en-US" xlink:label="lab_suz_NumberOfIndustrialUnits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Industrial Units</link:label>
    <link:label id="lab_suz_NumberOfIndustrialUnits_documentation_en-US" xlink:label="lab_suz_NumberOfIndustrialUnits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of industrial units.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfIndustrialUnits" xlink:href="suz-20260630.xsd#suz_NumberOfIndustrialUnits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfIndustrialUnits" xlink:to="lab_suz_NumberOfIndustrialUnits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents_019ff75a-d5ab-7461-9eeb-94c803f15810_terseLabel_en-US" xlink:label="lab_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed-term deposits</link:label>
    <link:label id="lab_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term investments, classified as cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:to="lab_ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoInternationalTradeGmbhMember_019ff75a-d5ab-7f4d-8e43-610a2a90eb46_terseLabel_en-US" xlink:label="lab_suz_SuzanoInternationalTradeGmbhMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano International Trade GmbH. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoInternationalTradeGmbhMember_label_en-US" xlink:label="lab_suz_SuzanoInternationalTradeGmbhMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano International Trade GmbH</link:label>
    <link:label id="lab_suz_SuzanoInternationalTradeGmbhMember_documentation_en-US" xlink:label="lab_suz_SuzanoInternationalTradeGmbhMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano International Trade GmbH.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoInternationalTradeGmbhMember" xlink:href="suz-20260630.xsd#suz_SuzanoInternationalTradeGmbhMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoInternationalTradeGmbhMember" xlink:to="lab_suz_SuzanoInternationalTradeGmbhMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TemporaryDifferencesProvisionForOperationalAndOthersMember_019ff75a-d50c-70b6-95aa-2eff699023e9_terseLabel_en-US" xlink:label="lab_suz_TemporaryDifferencesProvisionForOperationalAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating provisions</link:label>
    <link:label id="lab_suz_TemporaryDifferencesProvisionForOperationalAndOthersMember_label_en-US" xlink:label="lab_suz_TemporaryDifferencesProvisionForOperationalAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating provisions and other losses</link:label>
    <link:label id="lab_suz_TemporaryDifferencesProvisionForOperationalAndOthersMember_documentation_en-US" xlink:label="lab_suz_TemporaryDifferencesProvisionForOperationalAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for temporary differences provision (operational and others).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TemporaryDifferencesProvisionForOperationalAndOthersMember" xlink:href="suz-20260630.xsd#suz_TemporaryDifferencesProvisionForOperationalAndOthersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TemporaryDifferencesProvisionForOperationalAndOthersMember" xlink:to="lab_suz_TemporaryDifferencesProvisionForOperationalAndOthersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CommonStockPrice_019ff75a-d5ab-72cb-a250-655fe2974ef2_terseLabel_en-US" xlink:label="lab_suz_CommonStockPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock Price</link:label>
    <link:label id="lab_suz_CommonStockPrice_label_en-US" xlink:label="lab_suz_CommonStockPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Price</link:label>
    <link:label id="lab_suz_CommonStockPrice_documentation_en-US" xlink:label="lab_suz_CommonStockPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common stock price per share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CommonStockPrice" xlink:href="suz-20260630.xsd#suz_CommonStockPrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CommonStockPrice" xlink:to="lab_suz_CommonStockPrice" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScenarioEmployerContributionsUpToTenSuzanoReferenceUnitsMember_019ff75a-d484-70e3-85c4-b2c203a3d97f_terseLabel_en-US" xlink:label="lab_suz_ScenarioEmployerContributionsUpToTenSuzanoReferenceUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nominal salary less than 10 URS</link:label>
    <link:label id="lab_suz_ScenarioEmployerContributionsUpToTenSuzanoReferenceUnitsMember_label_en-US" xlink:label="lab_suz_ScenarioEmployerContributionsUpToTenSuzanoReferenceUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nominal salary less than 10 URS</link:label>
    <link:label id="lab_suz_ScenarioEmployerContributionsUpToTenSuzanoReferenceUnitsMember_documentation_en-US" xlink:label="lab_suz_ScenarioEmployerContributionsUpToTenSuzanoReferenceUnitsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for employer contributions to the employee as a percentage of the nominal salary that does not exceed 10 Suzano reference units ("URS")</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScenarioEmployerContributionsUpToTenSuzanoReferenceUnitsMember" xlink:href="suz-20260630.xsd#suz_ScenarioEmployerContributionsUpToTenSuzanoReferenceUnitsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScenarioEmployerContributionsUpToTenSuzanoReferenceUnitsMember" xlink:to="lab_suz_ScenarioEmployerContributionsUpToTenSuzanoReferenceUnitsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CompanysOperationsTable_019ff75a-d5ab-7cdf-a2cc-fa2c02a014dd_terseLabel_en-US" xlink:label="lab_suz_CompanysOperationsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Company's Operations [Table]</link:label>
    <link:label id="lab_suz_CompanysOperationsTable_label_en-US" xlink:label="lab_suz_CompanysOperationsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Company's Operations [Table]</link:label>
    <link:label id="lab_suz_CompanysOperationsTable_documentation_en-US" xlink:label="lab_suz_CompanysOperationsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Company's Operations [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CompanysOperationsTable" xlink:href="suz-20260630.xsd#suz_CompanysOperationsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CompanysOperationsTable" xlink:to="lab_suz_CompanysOperationsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherBorrowings_019ff75a-d484-7ac4-b252-3371ac589636_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other borrowings</link:label>
    <link:label id="lab_ifrs-full_OtherBorrowings_label_en-US" xlink:label="lab_ifrs-full_OtherBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherBorrowings" xlink:to="lab_ifrs-full_OtherBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughPropertyPlantAndEquipmentDeemedCostDeferredTaxLiabilityAsset_019ff75a-d484-7320-82ec-8a498fd68b7d_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughPropertyPlantAndEquipmentDeemedCostDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment - deemed cost</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughPropertyPlantAndEquipmentDeemedCostDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughPropertyPlantAndEquipmentDeemedCostDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Property, Plant and Equipment, Deemed Cost, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughPropertyPlantAndEquipmentDeemedCostDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughPropertyPlantAndEquipmentDeemedCostDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from property, plant and equipment, Deemed cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughPropertyPlantAndEquipmentDeemedCostDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughPropertyPlantAndEquipmentDeemedCostDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughPropertyPlantAndEquipmentDeemedCostDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughPropertyPlantAndEquipmentDeemedCostDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RentAndLeasesIncome_019ff75a-d484-72dc-9437-15d982957cab_negatedTerseLabel_en-US" xlink:label="lab_suz_RentAndLeasesIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Rents and leases</link:label>
    <link:label id="lab_suz_RentAndLeasesIncome_label_en-US" xlink:label="lab_suz_RentAndLeasesIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rent And Leases Income</link:label>
    <link:label id="lab_suz_RentAndLeasesIncome_documentation_en-US" xlink:label="lab_suz_RentAndLeasesIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of rent and lease income included in other income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RentAndLeasesIncome" xlink:href="suz-20260630.xsd#suz_RentAndLeasesIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RentAndLeasesIncome" xlink:to="lab_suz_RentAndLeasesIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination_019ff75a-d5ab-7af4-8e0d-d5d33f20e9e1_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Expenses on Asset Acquisition and Business Combinations (2)</link:label>
    <link:label id="lab_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination_label_en-US" xlink:label="lab_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:to="lab_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CountryOfDomicileMember_019ff75a-d5ab-7f6f-97e6-0eea741cb069_terseLabel_en-US" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Country of domicile</link:label>
    <link:label id="lab_ifrs-full_CountryOfDomicileMember_019ff75a-d5ab-7bf1-870f-03a25d38d5ae_verboseLabel_en-US" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Country of domicile [member]</link:label>
    <link:label id="lab_ifrs-full_CountryOfDomicileMember_label_en-US" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Country of domicile [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CountryOfDomicileMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CountryOfDomicileMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CountryOfDomicileMember" xlink:to="lab_ifrs-full_CountryOfDomicileMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExportPrepaymentAgreementsEPPJPMorganMember_019ff75a-d5ab-722a-b82d-f4e68f9ead16_terseLabel_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementsEPPJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreements ("EPP") - JP Morgan</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementsEPPJPMorganMember_label_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementsEPPJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreements ("EPP") - JP Morgan [Member]</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementsEPPJPMorganMember_documentation_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementsEPPJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreements ("EPP") - JP Morgan - 3-month SOFR</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExportPrepaymentAgreementsEPPJPMorganMember" xlink:href="suz-20260630.xsd#suz_ExportPrepaymentAgreementsEPPJPMorganMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExportPrepaymentAgreementsEPPJPMorganMember" xlink:to="lab_suz_ExportPrepaymentAgreementsEPPJPMorganMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract_019ff75a-d484-793a-8a2a-85900dbfb154_terseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract]</link:label>
    <link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract_label_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract" xlink:to="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinancialResult_019ff75a-d5ab-7475-8959-c17ecba0446b_terseLabel_en-US" xlink:label="lab_suz_FinancialResult" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial result</link:label>
    <link:label id="lab_suz_FinancialResult_label_en-US" xlink:label="lab_suz_FinancialResult" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Result</link:label>
    <link:label id="lab_suz_FinancialResult_documentation_en-US" xlink:label="lab_suz_FinancialResult" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Result</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinancialResult" xlink:href="suz-20260630.xsd#suz_FinancialResult"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinancialResult" xlink:to="lab_suz_FinancialResult" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_019ff75a-d5ab-7ec9-8302-1bf4ea77f975_totalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Increase in cash and cash equivalents, net</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in cash and cash equivalents after effect of exchange rate changes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BorrowingsTransactionTypeDomain_019ff75a-d5ab-7872-b0be-6cdb40c0bb68_terseLabel_en-US" xlink:label="lab_suz_BorrowingsTransactionTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings Transaction Type [Domain]</link:label>
    <link:label id="lab_suz_BorrowingsTransactionTypeDomain_label_en-US" xlink:label="lab_suz_BorrowingsTransactionTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Transaction Type [Domain]</link:label>
    <link:label id="lab_suz_BorrowingsTransactionTypeDomain_documentation_en-US" xlink:label="lab_suz_BorrowingsTransactionTypeDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings Transaction Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BorrowingsTransactionTypeDomain" xlink:href="suz-20260630.xsd#suz_BorrowingsTransactionTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BorrowingsTransactionTypeDomain" xlink:to="lab_suz_BorrowingsTransactionTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract_019ff75a-d484-708c-bc06-f891bb52dd49_terseLabel_en-US" xlink:label="lab_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term benefits</link:label>
    <link:label id="lab_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term employee benefits expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract" xlink:to="lab_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughAcceleratedDepreciationDeferredTaxLiabilityAsset_019ff75a-d5ab-7657-b362-a194f7714315_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughAcceleratedDepreciationDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation accelerated for tax-incentive reason</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughAcceleratedDepreciationDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughAcceleratedDepreciationDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Accelerated Depreciation, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughAcceleratedDepreciationDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughAcceleratedDepreciationDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from accelerated depreciation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughAcceleratedDepreciationDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughAcceleratedDepreciationDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughAcceleratedDepreciationDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughAcceleratedDepreciationDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativeFairValueAssetLiabilityNet_019ff75a-d5ab-7233-90b1-32e6d5afcca5_totalLabel_en-US" xlink:label="lab_suz_DerivativeFairValueAssetLiabilityNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Fair value in R$</link:label>
    <link:label id="lab_suz_DerivativeFairValueAssetLiabilityNet_019ff75a-d5ab-77b2-949c-7a217a0937cc_terseLabel_en-US" xlink:label="lab_suz_DerivativeFairValueAssetLiabilityNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value in R$</link:label>
    <link:label id="lab_suz_DerivativeFairValueAssetLiabilityNet_label_en-US" xlink:label="lab_suz_DerivativeFairValueAssetLiabilityNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Fair Value Asset (Liability), Net</link:label>
    <link:label id="lab_suz_DerivativeFairValueAssetLiabilityNet_documentation_en-US" xlink:label="lab_suz_DerivativeFairValueAssetLiabilityNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of the assets less the liabilities of a derivative or group of derivatives.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativeFairValueAssetLiabilityNet" xlink:href="suz-20260630.xsd#suz_DerivativeFairValueAssetLiabilityNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativeFairValueAssetLiabilityNet" xlink:to="lab_suz_DerivativeFairValueAssetLiabilityNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019_019ff75a-d5ab-768f-931d-d8c9ae1d5a26_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Phantom Share Units Psus</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_019ff75a-d50c-75ef-93e8-580d54950cab_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash used by financing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxesAndSocialSecurityOtherTaxesAndContributionsMember_019ff75a-d5ab-783c-889d-c4bc043b144e_terseLabel_en-US" xlink:label="lab_suz_TaxesAndSocialSecurityOtherTaxesAndContributionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes and social security - Other taxes and contributions</link:label>
    <link:label id="lab_suz_TaxesAndSocialSecurityOtherTaxesAndContributionsMember_label_en-US" xlink:label="lab_suz_TaxesAndSocialSecurityOtherTaxesAndContributionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Taxes and social security - Other taxes and contributions [Member]</link:label>
    <link:label id="lab_suz_TaxesAndSocialSecurityOtherTaxesAndContributionsMember_documentation_en-US" xlink:label="lab_suz_TaxesAndSocialSecurityOtherTaxesAndContributionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Taxes and social security - Other taxes and contributions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxesAndSocialSecurityOtherTaxesAndContributionsMember" xlink:href="suz-20260630.xsd#suz_TaxesAndSocialSecurityOtherTaxesAndContributionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxesAndSocialSecurityOtherTaxesAndContributionsMember" xlink:to="lab_suz_TaxesAndSocialSecurityOtherTaxesAndContributionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EmployeeBenefitPlansMember_019ff75a-d3c2-75d7-a5c6-0e89f834ec12_terseLabel_en-US" xlink:label="lab_suz_EmployeeBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefit plans</link:label>
    <link:label id="lab_suz_EmployeeBenefitPlansMember_label_en-US" xlink:label="lab_suz_EmployeeBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee benefit plans [Member]</link:label>
    <link:label id="lab_suz_EmployeeBenefitPlansMember_documentation_en-US" xlink:label="lab_suz_EmployeeBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employee benefit plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EmployeeBenefitPlansMember" xlink:href="suz-20260630.xsd#suz_EmployeeBenefitPlansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EmployeeBenefitPlansMember" xlink:to="lab_suz_EmployeeBenefitPlansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RevenueFromContractsWithCustomersNetOfSalesDeductions_019ff75a-d5ab-7dfb-9050-33cbed4af7a6_totalLabel_en-US" xlink:label="lab_suz_RevenueFromContractsWithCustomersNetOfSalesDeductions" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_suz_RevenueFromContractsWithCustomersNetOfSalesDeductions_label_en-US" xlink:label="lab_suz_RevenueFromContractsWithCustomersNetOfSalesDeductions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from Contracts with Customers, Net of Sales Deductions</link:label>
    <link:label id="lab_suz_RevenueFromContractsWithCustomersNetOfSalesDeductions_documentation_en-US" xlink:label="lab_suz_RevenueFromContractsWithCustomersNetOfSalesDeductions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of revenue from contracts with customers, net of sales deductions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RevenueFromContractsWithCustomersNetOfSalesDeductions" xlink:href="suz-20260630.xsd#suz_RevenueFromContractsWithCustomersNetOfSalesDeductions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RevenueFromContractsWithCustomersNetOfSalesDeductions" xlink:to="lab_suz_RevenueFromContractsWithCustomersNetOfSalesDeductions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InventoryRecognizedAsOfAcquisitionDateFairValueAdjustment_019ff75a-d5ab-7b05-b251-4578c70c3396_terseLabel_en-US" xlink:label="lab_suz_InventoryRecognizedAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_suz_InventoryRecognizedAsOfAcquisitionDateFairValueAdjustment_label_en-US" xlink:label="lab_suz_InventoryRecognizedAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Recognized As Of Acquisition Date, Fair Value Adjustment</link:label>
    <link:label id="lab_suz_InventoryRecognizedAsOfAcquisitionDateFairValueAdjustment_documentation_en-US" xlink:label="lab_suz_InventoryRecognizedAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventory Recognized As Of Acquisition Date, Fair Value Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InventoryRecognizedAsOfAcquisitionDateFairValueAdjustment" xlink:href="suz-20260630.xsd#suz_InventoryRecognizedAsOfAcquisitionDateFairValueAdjustment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InventoryRecognizedAsOfAcquisitionDateFairValueAdjustment" xlink:to="lab_suz_InventoryRecognizedAsOfAcquisitionDateFairValueAdjustment" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RestrictedStockYearSix_019ff75a-d3c2-70fa-a7f1-235b9ac6f658_terseLabel_en-US" xlink:label="lab_suz_RestrictedStockYearSix" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock year six</link:label>
    <link:label id="lab_suz_RestrictedStockYearSix_label_en-US" xlink:label="lab_suz_RestrictedStockYearSix" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year Six</link:label>
    <link:label id="lab_suz_RestrictedStockYearSix_documentation_en-US" xlink:label="lab_suz_RestrictedStockYearSix" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year Six</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RestrictedStockYearSix" xlink:href="suz-20260630.xsd#suz_RestrictedStockYearSix"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RestrictedStockYearSix" xlink:to="lab_suz_RestrictedStockYearSix" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapSOFRToSOFRUSMember_019ff75a-d5ab-7c0f-af16-e89db5213e70_terseLabel_en-US" xlink:label="lab_suz_SwapSOFRToSOFRUSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap SOFR x SOFR (US$)</link:label>
    <link:label id="lab_suz_SwapSOFRToSOFRUSMember_label_en-US" xlink:label="lab_suz_SwapSOFRToSOFRUSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap SOFR to SOFR (US$) [Member]</link:label>
    <link:label id="lab_suz_SwapSOFRToSOFRUSMember_documentation_en-US" xlink:label="lab_suz_SwapSOFRToSOFRUSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap SOFR to SOFR (US$)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapSOFRToSOFRUSMember" xlink:href="suz-20260630.xsd#suz_SwapSOFRToSOFRUSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapSOFRToSOFRUSMember" xlink:to="lab_suz_SwapSOFRToSOFRUSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FairValueHedgesMember_019ff75a-d5ab-77ac-8288-c07ba48c8d33_terseLabel_en-US" xlink:label="lab_ifrs-full_FairValueHedgesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt hedges</link:label>
    <link:label id="lab_ifrs-full_FairValueHedgesMember_label_en-US" xlink:label="lab_ifrs-full_FairValueHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair value hedges [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FairValueHedgesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FairValueHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FairValueHedgesMember" xlink:to="lab_ifrs-full_FairValueHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AnalysisOfCreditExposuresUsingInternalCreditGradingSystemTextBlock_019ff75a-d3c2-7617-adff-f662aed81dba_terseLabel_en-US" xlink:label="lab_suz_AnalysisOfCreditExposuresUsingInternalCreditGradingSystemTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of credit exposures using internal credit grading</link:label>
    <link:label id="lab_suz_AnalysisOfCreditExposuresUsingInternalCreditGradingSystemTextBlock_label_en-US" xlink:label="lab_suz_AnalysisOfCreditExposuresUsingInternalCreditGradingSystemTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Analysis of credit exposures using internal credit grading system [Text Block]</link:label>
    <link:label id="lab_suz_AnalysisOfCreditExposuresUsingInternalCreditGradingSystemTextBlock_documentation_en-US" xlink:label="lab_suz_AnalysisOfCreditExposuresUsingInternalCreditGradingSystemTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Analysis of credit exposures using internal credit grading system</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AnalysisOfCreditExposuresUsingInternalCreditGradingSystemTextBlock" xlink:href="suz-20260630.xsd#suz_AnalysisOfCreditExposuresUsingInternalCreditGradingSystemTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AnalysisOfCreditExposuresUsingInternalCreditGradingSystemTextBlock" xlink:to="lab_suz_AnalysisOfCreditExposuresUsingInternalCreditGradingSystemTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_019ff75a-d3c2-757f-8801-fe06a86bfd02_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization</link:label>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated depreciation, amortisation and impairment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_AsiaMember_019ff75a-d50c-7cc8-ab83-5a5b86f63956_terseLabel_en-US" xlink:label="lab_srt_AsiaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Asia</link:label>
    <link:label id="lab_srt_AsiaMember_label_en-US" xlink:label="lab_srt_AsiaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asia [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_AsiaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_AsiaMember" xlink:to="lab_srt_AsiaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TreasuryShares_019ff75a-d484-781d-9c4d-ba870706a4bf_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_TreasuryShares" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Treasury shares</link:label>
    <link:label id="lab_ifrs-full_TreasuryShares_019ff75a-d484-7e7e-abb8-af3ccc5d3f96_periodStartLabel_en-US" xlink:label="lab_ifrs-full_TreasuryShares" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Treasury shares</link:label>
    <link:label id="lab_ifrs-full_TreasuryShares_019ff75a-d484-7795-8132-d3c806a81ac7_periodEndLabel_en-US" xlink:label="lab_ifrs-full_TreasuryShares" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Treasury shares</link:label>
    <link:label id="lab_ifrs-full_TreasuryShares_label_en-US" xlink:label="lab_ifrs-full_TreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TreasuryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TreasuryShares" xlink:to="lab_ifrs-full_TreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ForestryDevelopmentProgramMember_019ff75a-d5ab-7023-9b75-c3b9e3efb7c3_terseLabel_en-US" xlink:label="lab_suz_ForestryDevelopmentProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forestry development program and partnerships</link:label>
    <link:label id="lab_suz_ForestryDevelopmentProgramMember_label_en-US" xlink:label="lab_suz_ForestryDevelopmentProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forestry development program [Member]</link:label>
    <link:label id="lab_suz_ForestryDevelopmentProgramMember_documentation_en-US" xlink:label="lab_suz_ForestryDevelopmentProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Forestry development program and partnerships</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ForestryDevelopmentProgramMember" xlink:href="suz-20260630.xsd#suz_ForestryDevelopmentProgramMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ForestryDevelopmentProgramMember" xlink:to="lab_suz_ForestryDevelopmentProgramMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TypeOfArrangementAndNonArrangementTransactionsAxis_019ff75a-d50c-7064-9755-c4227ede047f_terseLabel_en-US" xlink:label="lab_suz_TypeOfArrangementAndNonArrangementTransactionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of Arrangement and Non-arrangement Transactions [Axis]</link:label>
    <link:label id="lab_suz_TypeOfArrangementAndNonArrangementTransactionsAxis_label_en-US" xlink:label="lab_suz_TypeOfArrangementAndNonArrangementTransactionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of Arrangement and Non-arrangement Transactions [Axis]</link:label>
    <link:label id="lab_suz_TypeOfArrangementAndNonArrangementTransactionsAxis_documentation_en-US" xlink:label="lab_suz_TypeOfArrangementAndNonArrangementTransactionsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information by category of arrangement, including but not limited to collaborative arrangements and non-collaborative arrangements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TypeOfArrangementAndNonArrangementTransactionsAxis" xlink:href="suz-20260630.xsd#suz_TypeOfArrangementAndNonArrangementTransactionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TypeOfArrangementAndNonArrangementTransactionsAxis" xlink:to="lab_suz_TypeOfArrangementAndNonArrangementTransactionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory_019ff75a-d50c-7023-ad0b-c54cc227bc54_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of deferred taxes [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of deferred taxes [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDeferredTaxesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember_019ff75a-d3c2-7bde-91da-9b4d01b9fd02_terseLabel_en-US" xlink:label="lab_suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap CDI x Fixed (US$)</link:label>
    <link:label id="lab_suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember_label_en-US" xlink:label="lab_suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap CDI x Fixed (US$)</link:label>
    <link:label id="lab_suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember_documentation_en-US" xlink:label="lab_suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for positions in conventional swaps exchanging the variation in the Local Interbank Deposit Certificate rate for a fixed rate in U.S. Dollars. The purpose is to change the currency of debt indexes from Brazilian Reais to U.S. Dollars.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember" xlink:href="suz-20260630.xsd#suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember" xlink:to="lab_suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CostOfSalesVariableCost_019ff75a-d5ab-73d7-abb6-8574796ef6be_negatedTerseLabel_en-US" xlink:label="lab_suz_CostOfSalesVariableCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Costs of raw materials, materials and services</link:label>
    <link:label id="lab_suz_CostOfSalesVariableCost_label_en-US" xlink:label="lab_suz_CostOfSalesVariableCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Sales, Variable Cost</link:label>
    <link:label id="lab_suz_CostOfSalesVariableCost_documentation_en-US" xlink:label="lab_suz_CostOfSalesVariableCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of variable cost relating to cost of sales.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CostOfSalesVariableCost" xlink:href="suz-20260630.xsd#suz_CostOfSalesVariableCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CostOfSalesVariableCost" xlink:to="lab_suz_CostOfSalesVariableCost" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_A.Member_019ff75a-d484-7442-8622-178af0d2c586_terseLabel_en-US" xlink:label="lab_suz_A.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A-</link:label>
    <link:label id="lab_suz_A.Member_label_en-US" xlink:label="lab_suz_A.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">A-. [Member]</link:label>
    <link:label id="lab_suz_A.Member_documentation_en-US" xlink:label="lab_suz_A.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A-.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_A.Member" xlink:href="suz-20260630.xsd#suz_A.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_A.Member" xlink:to="lab_suz_A.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_019ff75a-d5ab-78fb-8f2c-5897d47d3610_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionsAxis_019ff75a-d50c-79e5-86c2-8821695139cf_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial assumptions [axis]</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionsAxis_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial assumptions [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionsAxis" xlink:to="lab_ifrs-full_ActuarialAssumptionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfPastDueTradeAccountsReceivablesByMaturityAndAllowanceForDoubtfulAccountsTableTextBlock_019ff75a-d50c-7e50-acef-3cd63d203bc9_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfPastDueTradeAccountsReceivablesByMaturityAndAllowanceForDoubtfulAccountsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Past Due Trade Accounts Receivables by maturity and allowance for doubtful accounts [table text block]</link:label>
    <link:label id="lab_suz_DisclosureOfPastDueTradeAccountsReceivablesByMaturityAndAllowanceForDoubtfulAccountsTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfPastDueTradeAccountsReceivablesByMaturityAndAllowanceForDoubtfulAccountsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Past Due Trade Accounts Receivables by maturity and allowance for doubtful accounts [table text block]</link:label>
    <link:label id="lab_suz_DisclosureOfPastDueTradeAccountsReceivablesByMaturityAndAllowanceForDoubtfulAccountsTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfPastDueTradeAccountsReceivablesByMaturityAndAllowanceForDoubtfulAccountsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about past due trade accounts receivables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfPastDueTradeAccountsReceivablesByMaturityAndAllowanceForDoubtfulAccountsTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfPastDueTradeAccountsReceivablesByMaturityAndAllowanceForDoubtfulAccountsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfPastDueTradeAccountsReceivablesByMaturityAndAllowanceForDoubtfulAccountsTableTextBlock" xlink:to="lab_suz_DisclosureOfPastDueTradeAccountsReceivablesByMaturityAndAllowanceForDoubtfulAccountsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_July2031Member_019ff75a-d50c-7831-83df-952f2d1b28c5_terseLabel_en-US" xlink:label="lab_suz_July2031Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">July 2031</link:label>
    <link:label id="lab_suz_July2031Member_label_en-US" xlink:label="lab_suz_July2031Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">July 2031 [Member]</link:label>
    <link:label id="lab_suz_July2031Member_documentation_en-US" xlink:label="lab_suz_July2031Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">July 2031</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_July2031Member" xlink:href="suz-20260630.xsd#suz_July2031Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_July2031Member" xlink:to="lab_suz_July2031Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_019ff75a-d50c-731a-afaa-456f802ad7fb_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related persons</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel of entity or parent [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelOfEntityOrParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:to="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AssetsFinancingMember_019ff75a-d50c-7d17-aa7a-2545e230c25d_terseLabel_en-US" xlink:label="lab_suz_AssetsFinancingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets Financing</link:label>
    <link:label id="lab_suz_AssetsFinancingMember_label_en-US" xlink:label="lab_suz_AssetsFinancingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Financing [Member]</link:label>
    <link:label id="lab_suz_AssetsFinancingMember_documentation_en-US" xlink:label="lab_suz_AssetsFinancingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for borrowings for assets financing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AssetsFinancingMember" xlink:href="suz-20260630.xsd#suz_AssetsFinancingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AssetsFinancingMember" xlink:to="lab_suz_AssetsFinancingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalInterestOnOwnCapitalPayableMember_019ff75a-d484-728c-b3dc-7de2593bc5c4_terseLabel_en-US" xlink:label="lab_suz_TotalInterestOnOwnCapitalPayableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Dividends</link:label>
    <link:label id="lab_suz_TotalInterestOnOwnCapitalPayableMember_label_en-US" xlink:label="lab_suz_TotalInterestOnOwnCapitalPayableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Interest On Own Capital Payable [Member]</link:label>
    <link:label id="lab_suz_TotalInterestOnOwnCapitalPayableMember_documentation_en-US" xlink:label="lab_suz_TotalInterestOnOwnCapitalPayableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total interest on own capital payable, including controlling and non-controlling shareholders</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalInterestOnOwnCapitalPayableMember" xlink:href="suz-20260630.xsd#suz_TotalInterestOnOwnCapitalPayableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalInterestOnOwnCapitalPayableMember" xlink:to="lab_suz_TotalInterestOnOwnCapitalPayableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PaymentsForProceedsFromDerivativeTransactions_019ff75a-d484-7226-9521-3ff6aa63e344_negatedTerseLabel_en-US" xlink:label="lab_suz_PaymentsForProceedsFromDerivativeTransactions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from derivative transactions</link:label>
    <link:label id="lab_suz_PaymentsForProceedsFromDerivativeTransactions_label_en-US" xlink:label="lab_suz_PaymentsForProceedsFromDerivativeTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Derivative Transactions</link:label>
    <link:label id="lab_suz_PaymentsForProceedsFromDerivativeTransactions_documentation_en-US" xlink:label="lab_suz_PaymentsForProceedsFromDerivativeTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount paid (received) by the reporting entity for derivative transactions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaymentsForProceedsFromDerivativeTransactions" xlink:href="suz-20260630.xsd#suz_PaymentsForProceedsFromDerivativeTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaymentsForProceedsFromDerivativeTransactions" xlink:to="lab_suz_PaymentsForProceedsFromDerivativeTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_October2030Member_019ff75a-d484-73a1-92b1-87fc8fd2bc6d_terseLabel_en-US" xlink:label="lab_suz_October2030Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">October 2030</link:label>
    <link:label id="lab_suz_October2030Member_label_en-US" xlink:label="lab_suz_October2030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">October 2030 [Member]</link:label>
    <link:label id="lab_suz_October2030Member_documentation_en-US" xlink:label="lab_suz_October2030Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">October 2030</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_October2030Member" xlink:href="suz-20260630.xsd#suz_October2030Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_October2030Member" xlink:to="lab_suz_October2030Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProductsAndServicesExplanatory_019ff75a-d5ab-76ef-b7df-947b9c244f37_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProductsAndServicesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of products and services [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProductsAndServicesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProductsAndServicesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of products and services [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProductsAndServicesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProductsAndServicesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProductsAndServicesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProductsAndServicesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_019ff75a-d484-704c-adc4-503cd4e259d8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughFairValueOfBiologicalAssetsDeferredTaxLiabilityAsset_019ff75a-d50c-78f0-bcdc-fff030efd14d_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughFairValueOfBiologicalAssetsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of biological assets</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughFairValueOfBiologicalAssetsDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughFairValueOfBiologicalAssetsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Fair value of Biological Assets, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughFairValueOfBiologicalAssetsDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughFairValueOfBiologicalAssetsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from fair value of biological assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughFairValueOfBiologicalAssetsDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughFairValueOfBiologicalAssetsDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughFairValueOfBiologicalAssetsDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughFairValueOfBiologicalAssetsDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfProvisionsForPossibleLossesExplanatoryTableTextBlock_019ff75a-d484-7a52-afdf-5bc86b93487e_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfProvisionsForPossibleLossesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Provisions for Possible Losses Explanatory</link:label>
    <link:label id="lab_suz_DisclosureOfProvisionsForPossibleLossesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfProvisionsForPossibleLossesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Provisions for Possible Losses Explanatory [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfProvisionsForPossibleLossesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfProvisionsForPossibleLossesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of tax, civil and labor lawsuits, for which losses have been assessed as possible by management with the support from legal counsel and therefore no provision was recorded.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfProvisionsForPossibleLossesExplanatoryTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfProvisionsForPossibleLossesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfProvisionsForPossibleLossesExplanatoryTableTextBlock" xlink:to="lab_suz_DisclosureOfProvisionsForPossibleLossesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfPorts_019ff75a-d5ab-7d9d-914f-c10f9040e842_terseLabel_en-US" xlink:label="lab_suz_NumberOfPorts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Ports</link:label>
    <link:label id="lab_suz_NumberOfPorts_label_en-US" xlink:label="lab_suz_NumberOfPorts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Ports</link:label>
    <link:label id="lab_suz_NumberOfPorts_documentation_en-US" xlink:label="lab_suz_NumberOfPorts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of ports.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfPorts" xlink:href="suz-20260630.xsd#suz_NumberOfPorts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfPorts" xlink:to="lab_suz_NumberOfPorts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_019ff75a-d5ab-7a84-b9ab-a7dff30c55f3_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans, financing and debentures</link:label>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_019ff75a-d5ab-7181-b6eb-3c70e6920f64_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Loans, financing and debentures</link:label>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current borrowings and current portion of non-current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:to="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CostOfSales_019ff75a-d5ab-700b-a634-d4d092db6d54_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cost of sales</link:label>
    <link:label id="lab_ifrs-full_CostOfSales_019ff75a-d5ab-7594-8bbb-94d75a1acab1_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_CostOfSales_label_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of sales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CostOfSales" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CostOfSales"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CostOfSales" xlink:to="lab_ifrs-full_CostOfSales" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FamilyComposition_019ff75a-d50c-7636-b3a9-8b38b04b060f_terseLabel_en-US" xlink:label="lab_suz_FamilyComposition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Family Composition</link:label>
    <link:label id="lab_suz_FamilyComposition_label_en-US" xlink:label="lab_suz_FamilyComposition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Family Composition</link:label>
    <link:label id="lab_suz_FamilyComposition_documentation_en-US" xlink:label="lab_suz_FamilyComposition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description of family composition.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FamilyComposition" xlink:href="suz-20260630.xsd#suz_FamilyComposition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FamilyComposition" xlink:to="lab_suz_FamilyComposition" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ApplicableTaxRateSocialContributionTaxesAdditionalTaxOnTaxableIncomeAboveThresholdAmount_019ff75a-d50c-709c-a281-277fef067e0d_terseLabel_en-US" xlink:label="lab_suz_ApplicableTaxRateSocialContributionTaxesAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Applicable Tax Rate, Social Contribution Taxes, Additional Tax on Taxable Income Above Threshold Amount</link:label>
    <link:label id="lab_suz_ApplicableTaxRateSocialContributionTaxesAdditionalTaxOnTaxableIncomeAboveThresholdAmount_label_en-US" xlink:label="lab_suz_ApplicableTaxRateSocialContributionTaxesAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Applicable Tax Rate, Social Contribution Taxes, Additional Tax on Taxable Income Above Threshold Amount</link:label>
    <link:label id="lab_suz_ApplicableTaxRateSocialContributionTaxesAdditionalTaxOnTaxableIncomeAboveThresholdAmount_documentation_en-US" xlink:label="lab_suz_ApplicableTaxRateSocialContributionTaxesAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The applicable base rate for income tax and social contribution taxes on taxable income in excess of the threshold amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ApplicableTaxRateSocialContributionTaxesAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:href="suz-20260630.xsd#suz_ApplicableTaxRateSocialContributionTaxesAdditionalTaxOnTaxableIncomeAboveThresholdAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ApplicableTaxRateSocialContributionTaxesAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:to="lab_suz_ApplicableTaxRateSocialContributionTaxesAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxAssessmentNonDeductibleExpensesOperatingExpenseDeductionsForeignSubsidiaryEarningsGoodwillAmortizationDirectorsBonusesAndTaxLossCarryforwards2019Member_019ff75a-d5ab-74e5-96a2-d22dd0d0938c_terseLabel_en-US" xlink:label="lab_suz_IncomeTaxAssessmentNonDeductibleExpensesOperatingExpenseDeductionsForeignSubsidiaryEarningsGoodwillAmortizationDirectorsBonusesAndTaxLossCarryforwards2019Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax assessment - Non-deductible Expenses, Operating Expense Deductions, Foreign Subsidiary Earnings, Goodwill Amortization, Directors' Bonuses and Tax Loss Carryforwards (2019)</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentNonDeductibleExpensesOperatingExpenseDeductionsForeignSubsidiaryEarningsGoodwillAmortizationDirectorsBonusesAndTaxLossCarryforwards2019Member_label_en-US" xlink:label="lab_suz_IncomeTaxAssessmentNonDeductibleExpensesOperatingExpenseDeductionsForeignSubsidiaryEarningsGoodwillAmortizationDirectorsBonusesAndTaxLossCarryforwards2019Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax assessment - Non-deductible Expenses, Operating Expense Deductions, Foreign Subsidiary Earnings, Goodwill Amortization, Directors' Bonuses and Tax Loss Carryforwards (2019) [Member]</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentNonDeductibleExpensesOperatingExpenseDeductionsForeignSubsidiaryEarningsGoodwillAmortizationDirectorsBonusesAndTaxLossCarryforwards2019Member_documentation_en-US" xlink:label="lab_suz_IncomeTaxAssessmentNonDeductibleExpensesOperatingExpenseDeductionsForeignSubsidiaryEarningsGoodwillAmortizationDirectorsBonusesAndTaxLossCarryforwards2019Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax assessment - Non-deductible Expenses, Operating Expense Deductions, Foreign Subsidiary Earnings, Goodwill Amortization, Directors' Bonuses and Tax Loss Carryforwards (2019)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxAssessmentNonDeductibleExpensesOperatingExpenseDeductionsForeignSubsidiaryEarningsGoodwillAmortizationDirectorsBonusesAndTaxLossCarryforwards2019Member" xlink:href="suz-20260630.xsd#suz_IncomeTaxAssessmentNonDeductibleExpensesOperatingExpenseDeductionsForeignSubsidiaryEarningsGoodwillAmortizationDirectorsBonusesAndTaxLossCarryforwards2019Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxAssessmentNonDeductibleExpensesOperatingExpenseDeductionsForeignSubsidiaryEarningsGoodwillAmortizationDirectorsBonusesAndTaxLossCarryforwards2019Member" xlink:to="lab_suz_IncomeTaxAssessmentNonDeductibleExpensesOperatingExpenseDeductionsForeignSubsidiaryEarningsGoodwillAmortizationDirectorsBonusesAndTaxLossCarryforwards2019Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsDomain_019ff75a-d484-7a28-9b55-763e620ad81f_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_019ff75a-d50c-766e-b306-1a471406515c_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImmatureBiologicalAssetsMember_019ff75a-d5ab-73a7-8dc9-9656e6008851_terseLabel_en-US" xlink:label="lab_ifrs-full_ImmatureBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Immature biological assets [member]</link:label>
    <link:label id="lab_ifrs-full_ImmatureBiologicalAssetsMember_label_en-US" xlink:label="lab_ifrs-full_ImmatureBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Immature biological assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImmatureBiologicalAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImmatureBiologicalAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImmatureBiologicalAssetsMember" xlink:to="lab_ifrs-full_ImmatureBiologicalAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RestrictedStockYearFour_019ff75a-d50c-7dd2-8f65-fbaac64051a6_terseLabel_en-US" xlink:label="lab_suz_RestrictedStockYearFour" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock, year four</link:label>
    <link:label id="lab_suz_RestrictedStockYearFour_label_en-US" xlink:label="lab_suz_RestrictedStockYearFour" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year Four</link:label>
    <link:label id="lab_suz_RestrictedStockYearFour_documentation_en-US" xlink:label="lab_suz_RestrictedStockYearFour" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RestrictedStockYearFour" xlink:href="suz-20260630.xsd#suz_RestrictedStockYearFour"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RestrictedStockYearFour" xlink:to="lab_suz_RestrictedStockYearFour" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfHedgesDomain_019ff75a-d50c-7fe1-99b6-53f5fcfb3f87_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of hedges [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfHedgesDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of hedges [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfHedgesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfHedgesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfHedgesDomain" xlink:to="lab_ifrs-full_TypesOfHedgesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BemAgroIntegracaoEDesenvolvimentoS.AMember_019ff75a-d5ab-7403-b5dd-70492347d9a5_terseLabel_en-US" xlink:label="lab_suz_BemAgroIntegracaoEDesenvolvimentoS.AMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bem Agro Integra&#231;&#227;o e Desenvolvimento S.A. (Indirect)</link:label>
    <link:label id="lab_suz_BemAgroIntegracaoEDesenvolvimentoS.AMember_label_en-US" xlink:label="lab_suz_BemAgroIntegracaoEDesenvolvimentoS.AMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bem Agro Integra&#231;&#227;o e Desenvolvimento S.A [Member]</link:label>
    <link:label id="lab_suz_BemAgroIntegracaoEDesenvolvimentoS.AMember_documentation_en-US" xlink:label="lab_suz_BemAgroIntegracaoEDesenvolvimentoS.AMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bem Agro Integra&#231;&#227;o e Desenvolvimento S.A [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BemAgroIntegracaoEDesenvolvimentoS.AMember" xlink:href="suz-20260630.xsd#suz_BemAgroIntegracaoEDesenvolvimentoS.AMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BemAgroIntegracaoEDesenvolvimentoS.AMember" xlink:to="lab_suz_BemAgroIntegracaoEDesenvolvimentoS.AMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FuturageneDelawareInc.Member_019ff75a-d484-75b9-aaed-a6c6a332af8f_terseLabel_en-US" xlink:label="lab_suz_FuturageneDelawareInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FuturaGene Delaware Inc. (Indirect)</link:label>
    <link:label id="lab_suz_FuturageneDelawareInc.Member_label_en-US" xlink:label="lab_suz_FuturageneDelawareInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FuturaGene Delaware Inc.</link:label>
    <link:label id="lab_suz_FuturageneDelawareInc.Member_documentation_en-US" xlink:label="lab_suz_FuturageneDelawareInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for FuturaGene Delaware Inc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FuturageneDelawareInc.Member" xlink:href="suz-20260630.xsd#suz_FuturageneDelawareInc.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FuturageneDelawareInc.Member" xlink:to="lab_suz_FuturageneDelawareInc.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EmployerContributionsTable_019ff75a-d50c-71f2-bcd2-cdb0141cfe59_terseLabel_en-US" xlink:label="lab_suz_EmployerContributionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer Contributions [Table]</link:label>
    <link:label id="lab_suz_EmployerContributionsTable_label_en-US" xlink:label="lab_suz_EmployerContributionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employer Contributions [Table]</link:label>
    <link:label id="lab_suz_EmployerContributionsTable_documentation_en-US" xlink:label="lab_suz_EmployerContributionsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employer Contributions [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EmployerContributionsTable" xlink:href="suz-20260630.xsd#suz_EmployerContributionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EmployerContributionsTable" xlink:to="lab_suz_EmployerContributionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed_019ff75a-d50c-7c68-9740-a95bb0868aa3_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenses relating to low-value assets</link:label>
    <link:label id="lab_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed_label_en-US" xlink:label="lab_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense relating to leases of low-value assets for which recognition exemption has been used</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" xlink:to="lab_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_July2032Member_019ff75a-d484-7498-a7c8-792b6eafa0fc_terseLabel_en-US" xlink:label="lab_suz_July2032Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">July 2032</link:label>
    <link:label id="lab_suz_July2032Member_label_en-US" xlink:label="lab_suz_July2032Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">July 2032 [Member]</link:label>
    <link:label id="lab_suz_July2032Member_documentation_en-US" xlink:label="lab_suz_July2032Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">July 2032</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_July2032Member" xlink:href="suz-20260630.xsd#suz_July2032Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_July2032Member" xlink:to="lab_suz_July2032Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInJointVenture_019ff75a-d50c-7e35-9d6a-f8b7df66b898_terseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Participation equity (%)</link:label>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInJointVenture_label_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in joint venture</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInJointVenture"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_019ff75a-d484-7021-95a6-b2310672e68d_terseLabel_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bottom of range [member]</link:label>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bottom of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BottomOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BottomOfRangeMember" xlink:to="lab_ifrs-full_BottomOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxBenefitOfGoodwillAmortizedForAccountingPurposesMember_019ff75a-d5ab-734d-995f-562674329881_terseLabel_en-US" xlink:label="lab_suz_TaxBenefitOfGoodwillAmortizedForAccountingPurposesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill - Tax benefit on unamortized goodwill</link:label>
    <link:label id="lab_suz_TaxBenefitOfGoodwillAmortizedForAccountingPurposesMember_label_en-US" xlink:label="lab_suz_TaxBenefitOfGoodwillAmortizedForAccountingPurposesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill - Tax benefit on unamortized goodwill</link:label>
    <link:label id="lab_suz_TaxBenefitOfGoodwillAmortizedForAccountingPurposesMember_documentation_en-US" xlink:label="lab_suz_TaxBenefitOfGoodwillAmortizedForAccountingPurposesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Tax benefit of goodwill not amortized for accounting purposes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxBenefitOfGoodwillAmortizedForAccountingPurposesMember" xlink:href="suz-20260630.xsd#suz_TaxBenefitOfGoodwillAmortizedForAccountingPurposesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxBenefitOfGoodwillAmortizedForAccountingPurposesMember" xlink:to="lab_suz_TaxBenefitOfGoodwillAmortizedForAccountingPurposesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ReserveOfDeemedCostMember_019ff75a-d484-7330-a588-8e27912c9ae7_terseLabel_en-US" xlink:label="lab_suz_ReserveOfDeemedCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deemed Cost</link:label>
    <link:label id="lab_suz_ReserveOfDeemedCostMember_label_en-US" xlink:label="lab_suz_ReserveOfDeemedCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deemed Cost</link:label>
    <link:label id="lab_suz_ReserveOfDeemedCostMember_documentation_en-US" xlink:label="lab_suz_ReserveOfDeemedCostMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for reserve of deemed cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ReserveOfDeemedCostMember" xlink:href="suz-20260630.xsd#suz_ReserveOfDeemedCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ReserveOfDeemedCostMember" xlink:to="lab_suz_ReserveOfDeemedCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_country_IL_019ff75a-d3c2-7f7d-8cd9-c731bd55d0c0_terseLabel_en-US" xlink:label="lab_country_IL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ISRAEL</link:label>
    <link:label id="lab_country_IL_label_en-US" xlink:label="lab_country_IL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ISRAEL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_IL" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_IL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_IL" xlink:to="lab_country_IL" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InterestPaidReferringToInterestOnOwnCapitalClassifiedAsFinancingActivities_019ff75a-d50c-727d-9523-45690a5fb327_negatedTerseLabel_en-US" xlink:label="lab_suz_InterestPaidReferringToInterestOnOwnCapitalClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payment of dividends</link:label>
    <link:label id="lab_suz_InterestPaidReferringToInterestOnOwnCapitalClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_suz_InterestPaidReferringToInterestOnOwnCapitalClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest paid, referring to interest on own capital, classified as financing activities</link:label>
    <link:label id="lab_suz_InterestPaidReferringToInterestOnOwnCapitalClassifiedAsFinancingActivities_documentation_en-US" xlink:label="lab_suz_InterestPaidReferringToInterestOnOwnCapitalClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of Interest paid, referring to interest on own capital, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InterestPaidReferringToInterestOnOwnCapitalClassifiedAsFinancingActivities" xlink:href="suz-20260630.xsd#suz_InterestPaidReferringToInterestOnOwnCapitalClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InterestPaidReferringToInterestOnOwnCapitalClassifiedAsFinancingActivities" xlink:to="lab_suz_InterestPaidReferringToInterestOnOwnCapitalClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PandaBondsMember_019ff75a-d484-7b17-a956-bb26ef309eef_terseLabel_en-US" xlink:label="lab_suz_PandaBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Panda Bonds</link:label>
    <link:label id="lab_suz_PandaBondsMember_label_en-US" xlink:label="lab_suz_PandaBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Panda Bonds [Member]</link:label>
    <link:label id="lab_suz_PandaBondsMember_documentation_en-US" xlink:label="lab_suz_PandaBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Panda Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PandaBondsMember" xlink:href="suz-20260630.xsd#suz_PandaBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PandaBondsMember" xlink:to="lab_suz_PandaBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_019ff75a-d484-71b9-973c-efd20d61668d_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities at amortised cost, category [member]</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at amortised cost, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_019ff75a-d5ab-71df-a22b-5e41c13edc5d_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_019ff75a-d484-7a91-8953-1a404ef30c7a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdvanceOfExchangeContractACCMember_019ff75a-d5ab-7851-8fb4-f6961224f24f_terseLabel_en-US" xlink:label="lab_suz_AdvanceOfExchangeContractACCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advance of exchange contract (ACC)</link:label>
    <link:label id="lab_suz_AdvanceOfExchangeContractACCMember_label_en-US" xlink:label="lab_suz_AdvanceOfExchangeContractACCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advance of exchange contract (ACC) [Member]</link:label>
    <link:label id="lab_suz_AdvanceOfExchangeContractACCMember_documentation_en-US" xlink:label="lab_suz_AdvanceOfExchangeContractACCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advance of exchange contract (ACC)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdvanceOfExchangeContractACCMember" xlink:href="suz-20260630.xsd#suz_AdvanceOfExchangeContractACCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdvanceOfExchangeContractACCMember" xlink:to="lab_suz_AdvanceOfExchangeContractACCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLoss_019ff75a-d484-7f76-a4b9-9b78d68d5462_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income for the period</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_019ff75a-d484-703c-938d-0b31ddb12394_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income for the period</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_019ff75a-d484-7295-93cc-cd9ef41b0d2c_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income (expenses) of the period</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_label_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="lab_ifrs-full_ProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InvestmentReserveMember_019ff75a-d484-7d8e-8135-0e246466c16d_terseLabel_en-US" xlink:label="lab_suz_InvestmentReserveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments reserve</link:label>
    <link:label id="lab_suz_InvestmentReserveMember_label_en-US" xlink:label="lab_suz_InvestmentReserveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment reserve [Member]</link:label>
    <link:label id="lab_suz_InvestmentReserveMember_documentation_en-US" xlink:label="lab_suz_InvestmentReserveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment reserve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InvestmentReserveMember" xlink:href="suz-20260630.xsd#suz_InvestmentReserveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InvestmentReserveMember" xlink:to="lab_suz_InvestmentReserveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfLawsuits_019ff75a-d50c-731d-8251-019503c63afb_terseLabel_en-US" xlink:label="lab_suz_NumberOfLawsuits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Lawsuits</link:label>
    <link:label id="lab_suz_NumberOfLawsuits_label_en-US" xlink:label="lab_suz_NumberOfLawsuits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Lawsuits</link:label>
    <link:label id="lab_suz_NumberOfLawsuits_documentation_en-US" xlink:label="lab_suz_NumberOfLawsuits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of lawsuits classified as probable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfLawsuits" xlink:href="suz-20260630.xsd#suz_NumberOfLawsuits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfLawsuits" xlink:to="lab_suz_NumberOfLawsuits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssets_019ff75a-d50c-7c8b-b913-1d954b598930_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_label_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssets" xlink:to="lab_ifrs-full_FinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_StockExercisedDuringPeriodMarketValue_019ff75a-d5ab-7074-9643-cffb4c30137c_terseLabel_en-US" xlink:label="lab_suz_StockExercisedDuringPeriodMarketValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercised</link:label>
    <link:label id="lab_suz_StockExercisedDuringPeriodMarketValue_label_en-US" xlink:label="lab_suz_StockExercisedDuringPeriodMarketValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Exercised During Period, Market Value</link:label>
    <link:label id="lab_suz_StockExercisedDuringPeriodMarketValue_documentation_en-US" xlink:label="lab_suz_StockExercisedDuringPeriodMarketValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock Exercised During Period, Market Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_StockExercisedDuringPeriodMarketValue" xlink:href="suz-20260630.xsd#suz_StockExercisedDuringPeriodMarketValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_StockExercisedDuringPeriodMarketValue" xlink:to="lab_suz_StockExercisedDuringPeriodMarketValue" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DifferenceInTaxLossAndAmountOwnedToTaxAuthorities_019ff75a-d50c-7956-bb68-cfc137d7557e_terseLabel_en-US" xlink:label="lab_suz_DifferenceInTaxLossAndAmountOwnedToTaxAuthorities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Difference in Tax loss and Amount Owned To Tax Authorities</link:label>
    <link:label id="lab_suz_DifferenceInTaxLossAndAmountOwnedToTaxAuthorities_label_en-US" xlink:label="lab_suz_DifferenceInTaxLossAndAmountOwnedToTaxAuthorities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Difference in Tax loss and Amount Owned To Tax Authorities</link:label>
    <link:label id="lab_suz_DifferenceInTaxLossAndAmountOwnedToTaxAuthorities_documentation_en-US" xlink:label="lab_suz_DifferenceInTaxLossAndAmountOwnedToTaxAuthorities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount difference between tax loss and amount owned to tax authorities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DifferenceInTaxLossAndAmountOwnedToTaxAuthorities" xlink:href="suz-20260630.xsd#suz_DifferenceInTaxLossAndAmountOwnedToTaxAuthorities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DifferenceInTaxLossAndAmountOwnedToTaxAuthorities" xlink:to="lab_suz_DifferenceInTaxLossAndAmountOwnedToTaxAuthorities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_WeightedAverageCostOfCapitalPreTaxPercentage_019ff75a-d5ab-72e7-95bb-99a1508c00f7_terseLabel_en-US" xlink:label="lab_suz_WeightedAverageCostOfCapitalPreTaxPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Cost of Capital, Pre-Tax Percentage</link:label>
    <link:label id="lab_suz_WeightedAverageCostOfCapitalPreTaxPercentage_label_en-US" xlink:label="lab_suz_WeightedAverageCostOfCapitalPreTaxPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Cost of Capital, Pre-Tax Percentage</link:label>
    <link:label id="lab_suz_WeightedAverageCostOfCapitalPreTaxPercentage_documentation_en-US" xlink:label="lab_suz_WeightedAverageCostOfCapitalPreTaxPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted Average Cost of Capital, Pre-Tax Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_WeightedAverageCostOfCapitalPreTaxPercentage" xlink:href="suz-20260630.xsd#suz_WeightedAverageCostOfCapitalPreTaxPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_WeightedAverageCostOfCapitalPreTaxPercentage" xlink:to="lab_suz_WeightedAverageCostOfCapitalPreTaxPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PaineirasLogsticaETransporteLtda.Member_019ff75a-d50c-7272-a693-3aa47e05eb7c_terseLabel_en-US" xlink:label="lab_suz_PaineirasLogsticaETransporteLtda.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Paineiras Log&#237;stica e Transportes Ltda. (Direct)</link:label>
    <link:label id="lab_suz_PaineirasLogsticaETransporteLtda.Member_label_en-US" xlink:label="lab_suz_PaineirasLogsticaETransporteLtda.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Paineiras Logistica e Transportes Ltda.</link:label>
    <link:label id="lab_suz_PaineirasLogsticaETransporteLtda.Member_documentation_en-US" xlink:label="lab_suz_PaineirasLogsticaETransporteLtda.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Paineiras Logstica e Transporte Ltda.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaineirasLogsticaETransporteLtda.Member" xlink:href="suz-20260630.xsd#suz_PaineirasLogsticaETransporteLtda.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaineirasLogsticaETransporteLtda.Member" xlink:to="lab_suz_PaineirasLogsticaETransporteLtda.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_019ff75a-d5ab-7b72-9abf-26eb4a435ad3_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilities" xlink:to="lab_ifrs-full_NoncurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AnalysisOfCreditExposuresUsingExternalCrediTGradingSystemExplanatoryTextBlock_019ff75a-d5ab-788c-bae7-626e6ffca687_terseLabel_en-US" xlink:label="lab_suz_AnalysisOfCreditExposuresUsingExternalCrediTGradingSystemExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of credit exposures using external credit grading</link:label>
    <link:label id="lab_suz_AnalysisOfCreditExposuresUsingExternalCrediTGradingSystemExplanatoryTextBlock_label_en-US" xlink:label="lab_suz_AnalysisOfCreditExposuresUsingExternalCrediTGradingSystemExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Analysis Of Credit Exposures Using External Credi tGrading System Explanatory [Text Block]</link:label>
    <link:label id="lab_suz_AnalysisOfCreditExposuresUsingExternalCrediTGradingSystemExplanatoryTextBlock_documentation_en-US" xlink:label="lab_suz_AnalysisOfCreditExposuresUsingExternalCrediTGradingSystemExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Analysis Of Credit Exposures Using External Credi tGrading System Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AnalysisOfCreditExposuresUsingExternalCrediTGradingSystemExplanatoryTextBlock" xlink:href="suz-20260630.xsd#suz_AnalysisOfCreditExposuresUsingExternalCrediTGradingSystemExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AnalysisOfCreditExposuresUsingExternalCrediTGradingSystemExplanatoryTextBlock" xlink:to="lab_suz_AnalysisOfCreditExposuresUsingExternalCrediTGradingSystemExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_WeightedAverageNumberOfSharesTreasuryStock_019ff75a-d50c-7fdb-8a2c-3c23f1e8f754_terseLabel_en-US" xlink:label="lab_suz_WeightedAverageNumberOfSharesTreasuryStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average treasury shares &#8211; in thousands</link:label>
    <link:label id="lab_suz_WeightedAverageNumberOfSharesTreasuryStock_label_en-US" xlink:label="lab_suz_WeightedAverageNumberOfSharesTreasuryStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares, Treasury Stock</link:label>
    <link:label id="lab_suz_WeightedAverageNumberOfSharesTreasuryStock_documentation_en-US" xlink:label="lab_suz_WeightedAverageNumberOfSharesTreasuryStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of shares of treasury stock determined by relating the portion of time within a reporting period that treasury shares have been outstanding to the total time in that period. Treasury stock is stock that the Entity has issued but subsequently reacquired.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_WeightedAverageNumberOfSharesTreasuryStock" xlink:href="suz-20260630.xsd#suz_WeightedAverageNumberOfSharesTreasuryStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_WeightedAverageNumberOfSharesTreasuryStock" xlink:to="lab_suz_WeightedAverageNumberOfSharesTreasuryStock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClosingForeignExchangeRate_019ff75a-d50c-7267-a859-c2f52006e9f8_terseLabel_en-US" xlink:label="lab_ifrs-full_ClosingForeignExchangeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Closing foreign exchange rate</link:label>
    <link:label id="lab_ifrs-full_ClosingForeignExchangeRate_label_en-US" xlink:label="lab_ifrs-full_ClosingForeignExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Closing foreign exchange rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClosingForeignExchangeRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClosingForeignExchangeRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClosingForeignExchangeRate" xlink:to="lab_ifrs-full_ClosingForeignExchangeRate" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativeAssetsMember_019ff75a-d484-7b22-95a0-62c4ad4a0cc7_terseLabel_en-US" xlink:label="lab_suz_DerivativeAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Assets</link:label>
    <link:label id="lab_suz_DerivativeAssetsMember_label_en-US" xlink:label="lab_suz_DerivativeAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Assets [Member]</link:label>
    <link:label id="lab_suz_DerivativeAssetsMember_documentation_en-US" xlink:label="lab_suz_DerivativeAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for financial assets classified as derivative instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativeAssetsMember" xlink:href="suz-20260630.xsd#suz_DerivativeAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativeAssetsMember" xlink:to="lab_suz_DerivativeAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BalanceSheetLocationAxis_019ff75a-d50c-7a28-a752-942147e93f2e_terseLabel_en-US" xlink:label="lab_suz_BalanceSheetLocationAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IFRS Balance Sheet Location [Axis]</link:label>
    <link:label id="lab_suz_BalanceSheetLocationAxis_label_en-US" xlink:label="lab_suz_BalanceSheetLocationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Axis]</link:label>
    <link:label id="lab_suz_BalanceSheetLocationAxis_documentation_en-US" xlink:label="lab_suz_BalanceSheetLocationAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information by location on balance sheet (statement of financial position).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BalanceSheetLocationAxis" xlink:href="suz-20260630.xsd#suz_BalanceSheetLocationAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BalanceSheetLocationAxis" xlink:to="lab_suz_BalanceSheetLocationAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RatedCreditExposures2024_019ff75a-d484-754c-a218-30290760de96_terseLabel_en-US" xlink:label="lab_suz_RatedCreditExposures2024" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rated Credit Exposures</link:label>
    <link:label id="lab_suz_RatedCreditExposures2024_label_en-US" xlink:label="lab_suz_RatedCreditExposures2024" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rated Credit Exposures 2024</link:label>
    <link:label id="lab_suz_RatedCreditExposures2024_documentation_en-US" xlink:label="lab_suz_RatedCreditExposures2024" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rated Credit Exposures 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RatedCreditExposures2024" xlink:href="suz-20260630.xsd#suz_RatedCreditExposures2024"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RatedCreditExposures2024" xlink:to="lab_suz_RatedCreditExposures2024" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CashAndBanksMember_019ff75a-d5ab-7777-af76-9a54cc9beea6_terseLabel_en-US" xlink:label="lab_suz_CashAndBanksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and banks</link:label>
    <link:label id="lab_suz_CashAndBanksMember_label_en-US" xlink:label="lab_suz_CashAndBanksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and banks</link:label>
    <link:label id="lab_suz_CashAndBanksMember_documentation_en-US" xlink:label="lab_suz_CashAndBanksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for cash and banks.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CashAndBanksMember" xlink:href="suz-20260630.xsd#suz_CashAndBanksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CashAndBanksMember" xlink:to="lab_suz_CashAndBanksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxLossesDeferredTaxLiabilityAsset_019ff75a-d5ab-71b8-8287-00eaebadb5ce_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxLossesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax loss carried forward</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxLossesDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxLossesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Tax Losses, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxLossesDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxLossesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from tax loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughTaxLossesDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughTaxLossesDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughTaxLossesDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughTaxLossesDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory_019ff75a-d5ab-7462-b36e-574ea4c5faf0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_019ff75a-d484-7365-9e66-bea3c8fc2aa6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of entity's operating segments [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of entity's operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SeriesOneMember_019ff75a-d5ab-78bf-94fd-c24dc1af2cba_terseLabel_en-US" xlink:label="lab_suz_SeriesOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Series One</link:label>
    <link:label id="lab_suz_SeriesOneMember_label_en-US" xlink:label="lab_suz_SeriesOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One [Member]</link:label>
    <link:label id="lab_suz_SeriesOneMember_documentation_en-US" xlink:label="lab_suz_SeriesOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SeriesOneMember" xlink:href="suz-20260630.xsd#suz_SeriesOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SeriesOneMember" xlink:to="lab_suz_SeriesOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_019ff75a-d5ab-7e6d-9f25-59d570a75511_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation, right-of-use assets</link:label>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationRightofuseAssets" xlink:to="lab_ifrs-full_DepreciationRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain_019ff75a-d50c-74fe-a759-f898b2145dab_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [domain]</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfPhantomShareInstrumentsOutstandingTableTextBlock_019ff75a-d484-704d-96c3-59e575cc0e51_terseLabel_en-US" xlink:label="lab_suz_NumberOfPhantomShareInstrumentsOutstandingTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number Of Phantom Share Instruments Outstanding [Table]</link:label>
    <link:label id="lab_suz_NumberOfPhantomShareInstrumentsOutstandingTableTextBlock_label_en-US" xlink:label="lab_suz_NumberOfPhantomShareInstrumentsOutstandingTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Phantom Share Instruments Outstanding [Table Text Block]</link:label>
    <link:label id="lab_suz_NumberOfPhantomShareInstrumentsOutstandingTableTextBlock_documentation_en-US" xlink:label="lab_suz_NumberOfPhantomShareInstrumentsOutstandingTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of cash&#8209;settled phantom share instruments outstanding at the reporting date under IFRS&#8239;2.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfPhantomShareInstrumentsOutstandingTableTextBlock" xlink:href="suz-20260630.xsd#suz_NumberOfPhantomShareInstrumentsOutstandingTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfPhantomShareInstrumentsOutstandingTableTextBlock" xlink:to="lab_suz_NumberOfPhantomShareInstrumentsOutstandingTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssociatesMember_019ff75a-d3c2-7a39-bf65-eb30f0aeb1a4_terseLabel_en-US" xlink:label="lab_ifrs-full_AssociatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Associate</link:label>
    <link:label id="lab_ifrs-full_AssociatesMember_label_en-US" xlink:label="lab_ifrs-full_AssociatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total for all associates [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssociatesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssociatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssociatesMember" xlink:to="lab_ifrs-full_AssociatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoOperacoesIndustriaisEFlorestaisSaMember_019ff75a-d50c-791d-90dd-6fd2dd467f75_terseLabel_en-US" xlink:label="lab_suz_SuzanoOperacoesIndustriaisEFlorestaisSaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Opera&#231;&#245;es Industriais e Florestais S.A. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoOperacoesIndustriaisEFlorestaisSaMember_label_en-US" xlink:label="lab_suz_SuzanoOperacoesIndustriaisEFlorestaisSaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Operacoes Industriais e Florestais S.A.</link:label>
    <link:label id="lab_suz_SuzanoOperacoesIndustriaisEFlorestaisSaMember_documentation_en-US" xlink:label="lab_suz_SuzanoOperacoesIndustriaisEFlorestaisSaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Operaes Industriais e Florestais S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoOperacoesIndustriaisEFlorestaisSaMember" xlink:href="suz-20260630.xsd#suz_SuzanoOperacoesIndustriaisEFlorestaisSaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoOperacoesIndustriaisEFlorestaisSaMember" xlink:to="lab_suz_SuzanoOperacoesIndustriaisEFlorestaisSaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_019ff75a-d484-73f9-968f-45e444931101_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated depreciation</link:label>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated depreciation and amortisation [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedDepreciationAndAmortisationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxEffectsOfCreditRelatedToReintegrateProgram_019ff75a-d3c2-793d-b5ac-083dc7e5c078_terseLabel_en-US" xlink:label="lab_suz_TaxEffectsOfCreditRelatedToReintegrateProgram" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit related to Reintegra Program</link:label>
    <link:label id="lab_suz_TaxEffectsOfCreditRelatedToReintegrateProgram_label_en-US" xlink:label="lab_suz_TaxEffectsOfCreditRelatedToReintegrateProgram" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effects of Credit Related to Reintegrate Program</link:label>
    <link:label id="lab_suz_TaxEffectsOfCreditRelatedToReintegrateProgram_documentation_en-US" xlink:label="lab_suz_TaxEffectsOfCreditRelatedToReintegrateProgram" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to credit related to Reintegrate program.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxEffectsOfCreditRelatedToReintegrateProgram" xlink:href="suz-20260630.xsd#suz_TaxEffectsOfCreditRelatedToReintegrateProgram"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxEffectsOfCreditRelatedToReintegrateProgram" xlink:to="lab_suz_TaxEffectsOfCreditRelatedToReintegrateProgram" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_019ff75a-d5ab-7aeb-8d8d-0f3163d329d3_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_label_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarningsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarningsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarningsMember" xlink:to="lab_ifrs-full_RetainedEarningsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxEffectsOnOtherDonationsAndFines_019ff75a-d5ab-7e19-a5a3-ca94b43ed500_terseLabel_en-US" xlink:label="lab_suz_TaxEffectsOnOtherDonationsAndFines" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other permanent exclusions</link:label>
    <link:label id="lab_suz_TaxEffectsOnOtherDonationsAndFines_label_en-US" xlink:label="lab_suz_TaxEffectsOnOtherDonationsAndFines" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effects On Other Donations and Fines</link:label>
    <link:label id="lab_suz_TaxEffectsOnOtherDonationsAndFines_documentation_en-US" xlink:label="lab_suz_TaxEffectsOnOtherDonationsAndFines" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to credit related to other donations and fines.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxEffectsOnOtherDonationsAndFines" xlink:href="suz-20260630.xsd#suz_TaxEffectsOnOtherDonationsAndFines"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxEffectsOnOtherDonationsAndFines" xlink:to="lab_suz_TaxEffectsOnOtherDonationsAndFines" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_019ff75a-d5ab-7b87-bbf5-29da678c1c0e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of finance income (cost) [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of finance income (cost) [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToBrazilianRealMember_019ff75a-d484-7b02-b695-363957a6b536_terseLabel_en-US" xlink:label="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToBrazilianRealMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.S. Dollar to Brazilian Real</link:label>
    <link:label id="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToBrazilianRealMember_label_en-US" xlink:label="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToBrazilianRealMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">U.S. Dollar to Brazilian Real</link:label>
    <link:label id="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToBrazilianRealMember_documentation_en-US" xlink:label="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToBrazilianRealMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a derivative designated as a hedging instrument to offset risks of the Brazilian Real vs U.S. Dollar.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToBrazilianRealMember" xlink:href="suz-20260630.xsd#suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToBrazilianRealMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToBrazilianRealMember" xlink:to="lab_suz_DerivativeDesignatedAsHedgingInstrumentUnitedStatesDollarToBrazilianRealMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_019ff75a-d50c-73a1-913b-e9af32eb6bdf_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2027</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year and not later than two years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsBiologicalAssets_019ff75a-d484-7ef3-8f16-5942e07d6590_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions of merged companies</link:label>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions other than through business combinations, biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsBiologicalAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsBiologicalAssets" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsLineItems_019ff75a-d483-7870-8ce8-f55f61b71fb6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in biological assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in biological assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_019ff75a-d50c-7309-9e16-c3195d758feb_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for leases [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxAssessmentDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member_019ff75a-d5ab-7e0a-b2f6-f2cc6ae7aff5_terseLabel_en-US" xlink:label="lab_suz_IncomeTaxAssessmentDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax assessment - Disallowance of Depreciation, Amortization and Depletion Expenses (2010)</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member_label_en-US" xlink:label="lab_suz_IncomeTaxAssessmentDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax assessment - Disallowance of Depreciation, Amortization and Depletion Expenses (2010) [Member]</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member_documentation_en-US" xlink:label="lab_suz_IncomeTaxAssessmentDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax assessment - Disallowance of Depreciation, Amortization and Depletion Expenses (2010)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxAssessmentDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:href="suz-20260630.xsd#suz_IncomeTaxAssessmentDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxAssessmentDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:to="lab_suz_IncomeTaxAssessmentDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProvisionForLossesOnInvestments_019ff75a-d484-7747-b220-cb67bda7aca6_terseLabel_en-US" xlink:label="lab_suz_ProvisionForLossesOnInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for losses on investments</link:label>
    <link:label id="lab_suz_ProvisionForLossesOnInvestments_label_en-US" xlink:label="lab_suz_ProvisionForLossesOnInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for losses on investments</link:label>
    <link:label id="lab_suz_ProvisionForLossesOnInvestments_documentation_en-US" xlink:label="lab_suz_ProvisionForLossesOnInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for losses on investments - related the recognition of the provision for losses on investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProvisionForLossesOnInvestments" xlink:href="suz-20260630.xsd#suz_ProvisionForLossesOnInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProvisionForLossesOnInvestments" xlink:to="lab_suz_ProvisionForLossesOnInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InternalCreditGradesDomain_019ff75a-d484-7a40-9270-80c7edd5b375_terseLabel_en-US" xlink:label="lab_ifrs-full_InternalCreditGradesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Internal credit grades [domain]</link:label>
    <link:label id="lab_ifrs-full_InternalCreditGradesDomain_label_en-US" xlink:label="lab_ifrs-full_InternalCreditGradesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Internal credit grades [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InternalCreditGradesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InternalCreditGradesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InternalCreditGradesDomain" xlink:to="lab_ifrs-full_InternalCreditGradesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Analysis of income and expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AnalysisOfIncomeAndExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:to="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax_019ff75a-d484-72d9-a36a-892a50f96811_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Realization of exchange variation on investments abroad</link:label>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax_label_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification adjustments on exchange differences on translation of foreign operations, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax" xlink:to="lab_ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory_019ff75a-d50c-7246-89ad-d8d988566d51_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionMatrixLineItems_019ff75a-d50c-7f53-9f74-33dad60c1a8d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade Accounts Receivables [Line Items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionMatrixLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of provision matrix [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionMatrixLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProvisionMatrixLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionMatrixLineItems" xlink:to="lab_ifrs-full_DisclosureOfProvisionMatrixLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_019ff75a-d5ab-7e41-bf1e-4f443848a70c_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation, depletion and amortization</link:label>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse_019ff75a-d50c-73be-b777-e1ce52632386_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount rate used in current estimate of value in use</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discount rate used in current estimate of value in use</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse" xlink:to="lab_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfInventoryTableTextBlock_019ff75a-d5ab-7bad-b842-ab8d16158e5e_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfInventoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Inventory</link:label>
    <link:label id="lab_suz_ScheduleOfInventoryTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfInventoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Inventory [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfInventoryTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfInventoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfInventoryTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfInventoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfInventoryTableTextBlock" xlink:to="lab_suz_ScheduleOfInventoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_019ff75a-d483-7b23-98ff-761faad68cb1_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Benefits paid directly by entity</link:label>
    <link:label id="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from payments from plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory_019ff75a-d50c-7220-b352-e523aeb33409_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of assumptions used in valuation of cash-generating units</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherChangesInBorrowings_019ff75a-d484-79c5-8a57-26d287961617_terseLabel_en-US" xlink:label="lab_suz_OtherChangesInBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Changes in Borrowings</link:label>
    <link:label id="lab_suz_OtherChangesInBorrowings_label_en-US" xlink:label="lab_suz_OtherChangesInBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Changes in Borrowings</link:label>
    <link:label id="lab_suz_OtherChangesInBorrowings_documentation_en-US" xlink:label="lab_suz_OtherChangesInBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Changes in Borrowings - Loss on Liabilities versus Investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherChangesInBorrowings" xlink:href="suz-20260630.xsd#suz_OtherChangesInBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherChangesInBorrowings" xlink:to="lab_suz_OtherChangesInBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoTradingLtd.Member_019ff75a-d484-7011-ae97-a6fa2c895fdb_terseLabel_en-US" xlink:label="lab_suz_SuzanoTradingLtd.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Shanghai Trading Ltda. (Direct) (1)</link:label>
    <link:label id="lab_suz_SuzanoTradingLtd.Member_label_en-US" xlink:label="lab_suz_SuzanoTradingLtd.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Trading Ltd.</link:label>
    <link:label id="lab_suz_SuzanoTradingLtd.Member_documentation_en-US" xlink:label="lab_suz_SuzanoTradingLtd.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Trading Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoTradingLtd.Member" xlink:href="suz-20260630.xsd#suz_SuzanoTradingLtd.Member"/>
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    <link:label id="lab_suz_May2033AndMay2034Member_019ff75a-d50c-7335-b272-77cbe85efd5d_terseLabel_en-US" xlink:label="lab_suz_May2033AndMay2034Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">May 2033 and May 2034 [Member]</link:label>
    <link:label id="lab_suz_May2033AndMay2034Member_label_en-US" xlink:label="lab_suz_May2033AndMay2034Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">May 2033 and May 2034 [Member]</link:label>
    <link:label id="lab_suz_May2033AndMay2034Member_documentation_en-US" xlink:label="lab_suz_May2033AndMay2034Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">May 2033 and May 2034</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_May2033AndMay2034Member" xlink:href="suz-20260630.xsd#suz_May2033AndMay2034Member"/>
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    <link:label id="lab_suz_GlobalMinimumFeeForMultinationalsWithRevenue_019ff75a-d50c-7c4b-898f-78acd9d13b29_terseLabel_en-US" xlink:label="lab_suz_GlobalMinimumFeeForMultinationalsWithRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Global minimum fee for multinationals with revenue</link:label>
    <link:label id="lab_suz_GlobalMinimumFeeForMultinationalsWithRevenue_label_en-US" xlink:label="lab_suz_GlobalMinimumFeeForMultinationalsWithRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Global minimum fee for multinationals with revenue</link:label>
    <link:label id="lab_suz_GlobalMinimumFeeForMultinationalsWithRevenue_documentation_en-US" xlink:label="lab_suz_GlobalMinimumFeeForMultinationalsWithRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Global minimum fee for multinationals with revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GlobalMinimumFeeForMultinationalsWithRevenue" xlink:href="suz-20260630.xsd#suz_GlobalMinimumFeeForMultinationalsWithRevenue"/>
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    <link:label id="lab_suz_PaymentDueYearAxis_019ff75a-d5ab-7496-b9a2-4dc6e0177d62_terseLabel_en-US" xlink:label="lab_suz_PaymentDueYearAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payment Due Year [Axis]</link:label>
    <link:label id="lab_suz_PaymentDueYearAxis_label_en-US" xlink:label="lab_suz_PaymentDueYearAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment Due Year [Axis]</link:label>
    <link:label id="lab_suz_PaymentDueYearAxis_documentation_en-US" xlink:label="lab_suz_PaymentDueYearAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payment Due Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaymentDueYearAxis" xlink:href="suz-20260630.xsd#suz_PaymentDueYearAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaymentDueYearAxis" xlink:to="lab_suz_PaymentDueYearAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CompanysOperationsLineItems_019ff75a-d484-77fb-b10c-408dac449499_terseLabel_en-US" xlink:label="lab_suz_CompanysOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Company's Operations [Line Items]</link:label>
    <link:label id="lab_suz_CompanysOperationsLineItems_label_en-US" xlink:label="lab_suz_CompanysOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Company's Operations [Line Items]</link:label>
    <link:label id="lab_suz_CompanysOperationsLineItems_documentation_en-US" xlink:label="lab_suz_CompanysOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Company's Operations [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CompanysOperationsLineItems" xlink:href="suz-20260630.xsd#suz_CompanysOperationsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CompanysOperationsLineItems" xlink:to="lab_suz_CompanysOperationsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PercentageOfOwnerShipAcquired_019ff75a-d5ab-78c9-936a-2bc8a79401d0_terseLabel_en-US" xlink:label="lab_suz_PercentageOfOwnerShipAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquired in subsidiary</link:label>
    <link:label id="lab_suz_PercentageOfOwnerShipAcquired_label_en-US" xlink:label="lab_suz_PercentageOfOwnerShipAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Owner ship Acquired</link:label>
    <link:label id="lab_suz_PercentageOfOwnerShipAcquired_documentation_en-US" xlink:label="lab_suz_PercentageOfOwnerShipAcquired" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Owner ship Interest Acquired In Subsidiary During Period -</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PercentageOfOwnerShipAcquired" xlink:href="suz-20260630.xsd#suz_PercentageOfOwnerShipAcquired"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PercentageOfOwnerShipAcquired" xlink:to="lab_suz_PercentageOfOwnerShipAcquired" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExternalCreditGradesDomain_019ff75a-d484-7bdd-8a26-5905cb594ed3_terseLabel_en-US" xlink:label="lab_ifrs-full_ExternalCreditGradesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">External credit grades [domain]</link:label>
    <link:label id="lab_ifrs-full_ExternalCreditGradesDomain_label_en-US" xlink:label="lab_ifrs-full_ExternalCreditGradesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">External credit grades [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExternalCreditGradesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExternalCreditGradesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExternalCreditGradesDomain" xlink:to="lab_ifrs-full_ExternalCreditGradesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsDomain_019ff75a-d50c-70d2-a2c6-99e31f7b2640_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BiologicalAssetsForProductionDomain_019ff75a-d5ab-703b-bdc2-59b866baf791_terseLabel_en-US" xlink:label="lab_suz_BiologicalAssetsForProductionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Biological assets for production</link:label>
    <link:label id="lab_suz_BiologicalAssetsForProductionDomain_label_en-US" xlink:label="lab_suz_BiologicalAssetsForProductionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Biological assets for production [Domain]</link:label>
    <link:label id="lab_suz_BiologicalAssetsForProductionDomain_documentation_en-US" xlink:label="lab_suz_BiologicalAssetsForProductionDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Biological assets for production</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BiologicalAssetsForProductionDomain" xlink:href="suz-20260630.xsd#suz_BiologicalAssetsForProductionDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BiologicalAssetsForProductionDomain" xlink:to="lab_suz_BiologicalAssetsForProductionDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountMember_019ff75a-d50c-70ad-9304-419a22c1fc7e_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount [member]</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountMember" xlink:to="lab_ifrs-full_CarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ConcentrationRiskBenchmarkNetSalesMember_019ff75a-d5ab-7094-b447-3c681e2bc2cc_terseLabel_en-US" xlink:label="lab_suz_ConcentrationRiskBenchmarkNetSalesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Sales</link:label>
    <link:label id="lab_suz_ConcentrationRiskBenchmarkNetSalesMember_label_en-US" xlink:label="lab_suz_ConcentrationRiskBenchmarkNetSalesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Sales</link:label>
    <link:label id="lab_suz_ConcentrationRiskBenchmarkNetSalesMember_documentation_en-US" xlink:label="lab_suz_ConcentrationRiskBenchmarkNetSalesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the concentration risk benchmark related to net sales.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ConcentrationRiskBenchmarkNetSalesMember" xlink:href="suz-20260630.xsd#suz_ConcentrationRiskBenchmarkNetSalesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ConcentrationRiskBenchmarkNetSalesMember" xlink:to="lab_suz_ConcentrationRiskBenchmarkNetSalesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RevolvingCreditFacility1Member_019ff75a-d5ab-7bba-b480-ecc4ba80019c_terseLabel_en-US" xlink:label="lab_suz_RevolvingCreditFacility1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility1</link:label>
    <link:label id="lab_suz_RevolvingCreditFacility1Member_label_en-US" xlink:label="lab_suz_RevolvingCreditFacility1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility1 [Member]</link:label>
    <link:label id="lab_suz_RevolvingCreditFacility1Member_documentation_en-US" xlink:label="lab_suz_RevolvingCreditFacility1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RevolvingCreditFacility1Member" xlink:href="suz-20260630.xsd#suz_RevolvingCreditFacility1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RevolvingCreditFacility1Member" xlink:to="lab_suz_RevolvingCreditFacility1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_019ff75a-d50c-7c26-ad3b-9841a69bafc6_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current derivative financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentDerivativeFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherOperatingExpenseAmortizationAndDepletion_019ff75a-d5ab-79aa-a040-c85af69d1f4c_terseLabel_en-US" xlink:label="lab_suz_OtherOperatingExpenseAmortizationAndDepletion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation, amortization and other PPA realizations (4)</link:label>
    <link:label id="lab_suz_OtherOperatingExpenseAmortizationAndDepletion_label_en-US" xlink:label="lab_suz_OtherOperatingExpenseAmortizationAndDepletion" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Expense, Amortization and Depletion</link:label>
    <link:label id="lab_suz_OtherOperatingExpenseAmortizationAndDepletion_documentation_en-US" xlink:label="lab_suz_OtherOperatingExpenseAmortizationAndDepletion" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of amortization and depletion classified as other operating expense.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherOperatingExpenseAmortizationAndDepletion" xlink:href="suz-20260630.xsd#suz_OtherOperatingExpenseAmortizationAndDepletion"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherOperatingExpenseAmortizationAndDepletion" xlink:to="lab_suz_OtherOperatingExpenseAmortizationAndDepletion" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherOperatingExpenseTotal_019ff75a-d50c-7e4f-bc40-d9954fedfe6c_totalLabel_en-US" xlink:label="lab_suz_OtherOperatingExpenseTotal" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_suz_OtherOperatingExpenseTotal_label_en-US" xlink:label="lab_suz_OtherOperatingExpenseTotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Expense, total</link:label>
    <link:label id="lab_suz_OtherOperatingExpenseTotal_documentation_en-US" xlink:label="lab_suz_OtherOperatingExpenseTotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the total amount of other operating expenses not classified in other specific operating expense line items.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherOperatingExpenseTotal" xlink:href="suz-20260630.xsd#suz_OtherOperatingExpenseTotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherOperatingExpenseTotal" xlink:to="lab_suz_OtherOperatingExpenseTotal" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AMember_019ff75a-d50c-7799-b3bf-0df6ad1b9445_terseLabel_en-US" xlink:label="lab_suz_AMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A+</link:label>
    <link:label id="lab_suz_AMember_label_en-US" xlink:label="lab_suz_AMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">A+ [Member]</link:label>
    <link:label id="lab_suz_AMember_documentation_en-US" xlink:label="lab_suz_AMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A+</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AMember" xlink:href="suz-20260630.xsd#suz_AMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AMember" xlink:to="lab_suz_AMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_019ff75a-d484-77c5-b0fc-9ba4d0f98bee_totalLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Short-term benefits</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, short-term employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_country_NL_019ff75a-d5ab-7189-b1bb-a6339062e21e_terseLabel_en-US" xlink:label="lab_country_NL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NETHERLANDS</link:label>
    <link:label id="lab_country_NL_label_en-US" xlink:label="lab_country_NL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NETHERLANDS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_NL" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_NL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_NL" xlink:to="lab_country_NL" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentServiceCostDefinedBenefitPlans_019ff75a-d50c-7624-891a-a4d87de8af64_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentServiceCostDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current service cost</link:label>
    <link:label id="lab_ifrs-full_CurrentServiceCostDefinedBenefitPlans_label_en-US" xlink:label="lab_ifrs-full_CurrentServiceCostDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current service cost, defined benefit plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentServiceCostDefinedBenefitPlans" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentServiceCostDefinedBenefitPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentServiceCostDefinedBenefitPlans" xlink:to="lab_ifrs-full_CurrentServiceCostDefinedBenefitPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CashAndCashEquivalentsAndMarketableSecuritiesMember_019ff75a-d5ab-7754-84bd-888967c535d5_terseLabel_en-US" xlink:label="lab_suz_CashAndCashEquivalentsAndMarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents and marketable securities</link:label>
    <link:label id="lab_suz_CashAndCashEquivalentsAndMarketableSecuritiesMember_label_en-US" xlink:label="lab_suz_CashAndCashEquivalentsAndMarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents and marketable securities [Member]</link:label>
    <link:label id="lab_suz_CashAndCashEquivalentsAndMarketableSecuritiesMember_documentation_en-US" xlink:label="lab_suz_CashAndCashEquivalentsAndMarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents and marketable securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CashAndCashEquivalentsAndMarketableSecuritiesMember" xlink:href="suz-20260630.xsd#suz_CashAndCashEquivalentsAndMarketableSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CashAndCashEquivalentsAndMarketableSecuritiesMember" xlink:to="lab_suz_CashAndCashEquivalentsAndMarketableSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_019ff75a-d484-77ad-821b-79b4a845a194_periodStartLabel_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening Balance</link:label>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_019ff75a-d484-7a22-ad84-fae4976267f2_periodEndLabel_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing Balance</link:label>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_label_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net defined benefit liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilityAssetOfDefinedBenefitPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:to="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NominalInflation_019ff75a-d50c-76e4-8d0c-8c73ef89d3f4_terseLabel_en-US" xlink:label="lab_suz_NominalInflation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nominal inflation</link:label>
    <link:label id="lab_suz_NominalInflation_label_en-US" xlink:label="lab_suz_NominalInflation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nominal inflation</link:label>
    <link:label id="lab_suz_NominalInflation_documentation_en-US" xlink:label="lab_suz_NominalInflation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The expected rate of inflation that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NominalInflation" xlink:href="suz-20260630.xsd#suz_NominalInflation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NominalInflation" xlink:to="lab_suz_NominalInflation" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxAssessmentForeignEarningsBrazilAustriaTaxTreaty2021Member_019ff75a-d5ab-74ef-b391-756760acea16_terseLabel_en-US" xlink:label="lab_suz_IncomeTaxAssessmentForeignEarningsBrazilAustriaTaxTreaty2021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax assessment - Foreign Earnings - Brazil-Austria Tax Treaty (2021)</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentForeignEarningsBrazilAustriaTaxTreaty2021Member_label_en-US" xlink:label="lab_suz_IncomeTaxAssessmentForeignEarningsBrazilAustriaTaxTreaty2021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax assessment - Foreign Earnings - Brazil-Austria Tax Treaty (2021) [Member]</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentForeignEarningsBrazilAustriaTaxTreaty2021Member_documentation_en-US" xlink:label="lab_suz_IncomeTaxAssessmentForeignEarningsBrazilAustriaTaxTreaty2021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax assessment - Foreign Earnings - Brazil-Austria Tax Treaty (2021)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxAssessmentForeignEarningsBrazilAustriaTaxTreaty2021Member" xlink:href="suz-20260630.xsd#suz_IncomeTaxAssessmentForeignEarningsBrazilAustriaTaxTreaty2021Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxAssessmentForeignEarningsBrazilAustriaTaxTreaty2021Member" xlink:to="lab_suz_IncomeTaxAssessmentForeignEarningsBrazilAustriaTaxTreaty2021Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrazilianFederalLongTermRateMember_019ff75a-d5ab-71b9-831d-8bc66752a2fc_terseLabel_en-US" xlink:label="lab_suz_BrazilianFederalLongTermRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES &#8211; TLP</link:label>
    <link:label id="lab_suz_BrazilianFederalLongTermRateMember_label_en-US" xlink:label="lab_suz_BrazilianFederalLongTermRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TLP</link:label>
    <link:label id="lab_suz_BrazilianFederalLongTermRateMember_documentation_en-US" xlink:label="lab_suz_BrazilianFederalLongTermRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Brazilian federal long-term rate (TLP).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrazilianFederalLongTermRateMember" xlink:href="suz-20260630.xsd#suz_BrazilianFederalLongTermRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrazilianFederalLongTermRateMember" xlink:to="lab_suz_BrazilianFederalLongTermRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome_019ff75a-d484-7a53-8ea3-c8578d38b83d_terseLabel_en-US" xlink:label="lab_ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other investments evaluated at fair value through&#160;other&#160;comprehensive income</link:label>
    <link:label id="lab_ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in equity instruments designated at fair value through other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinanceCostBeforeExchangeDifferencesOnTranslation_019ff75a-d484-7b7f-8aaa-f416b82c4550_negatedTotalLabel_en-US" xlink:label="lab_suz_FinanceCostBeforeExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Financial expenses</link:label>
    <link:label id="lab_suz_FinanceCostBeforeExchangeDifferencesOnTranslation_label_en-US" xlink:label="lab_suz_FinanceCostBeforeExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Cost, Before Exchange Differences on Translation</link:label>
    <link:label id="lab_suz_FinanceCostBeforeExchangeDifferencesOnTranslation_documentation_en-US" xlink:label="lab_suz_FinanceCostBeforeExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of costs associated with financing activities of the entity before gains (losses) on exchange differences.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinanceCostBeforeExchangeDifferencesOnTranslation" xlink:href="suz-20260630.xsd#suz_FinanceCostBeforeExchangeDifferencesOnTranslation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinanceCostBeforeExchangeDifferencesOnTranslation" xlink:to="lab_suz_FinanceCostBeforeExchangeDifferencesOnTranslation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_019ff75a-d5ab-7213-b309-3ed44c0cb011_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OperatingProfitReserveBalanceMaintenance_019ff75a-d3c2-775f-bfd6-f5f6b7c2b270_terseLabel_en-US" xlink:label="lab_suz_OperatingProfitReserveBalanceMaintenance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Profit, Reserve Balance Maintenance</link:label>
    <link:label id="lab_suz_OperatingProfitReserveBalanceMaintenance_label_en-US" xlink:label="lab_suz_OperatingProfitReserveBalanceMaintenance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Profit, Reserve Balance Maintenance</link:label>
    <link:label id="lab_suz_OperatingProfitReserveBalanceMaintenance_documentation_en-US" xlink:label="lab_suz_OperatingProfitReserveBalanceMaintenance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Profit, Reserve Balance Maintenance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OperatingProfitReserveBalanceMaintenance" xlink:href="suz-20260630.xsd#suz_OperatingProfitReserveBalanceMaintenance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OperatingProfitReserveBalanceMaintenance" xlink:to="lab_suz_OperatingProfitReserveBalanceMaintenance" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits_019ff75a-d50c-7acd-9dd6-120846719501_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current provisions for employee benefits</link:label>
    <link:label id="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current provisions for employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentProvisionsForEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:to="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RightofuseAssets_019ff75a-d484-7393-a430-bb1d1bc4d227_terseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right of use</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_019ff75a-d484-7f1a-9d0c-1d4a4b71bfdb_periodStartLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning Balance</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_019ff75a-d484-7ac4-b614-f68da408cfb5_periodEndLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending Balance</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssets" xlink:to="lab_ifrs-full_RightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GeneralAndAdministrativeExpenseDepreciationAndAmortization_019ff75a-d5ab-7854-b59e-6dfb939f0d38_negatedTerseLabel_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpenseDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_suz_GeneralAndAdministrativeExpenseDepreciationAndAmortization_label_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpenseDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General and Administrative Expense, Depreciation and Amortization</link:label>
    <link:label id="lab_suz_GeneralAndAdministrativeExpenseDepreciationAndAmortization_documentation_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpenseDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of depreciation and amortization relating to general and administrative expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GeneralAndAdministrativeExpenseDepreciationAndAmortization" xlink:href="suz-20260630.xsd#suz_GeneralAndAdministrativeExpenseDepreciationAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GeneralAndAdministrativeExpenseDepreciationAndAmortization" xlink:to="lab_suz_GeneralAndAdministrativeExpenseDepreciationAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired_019ff75a-d5ab-7c07-a526-2027d9d95e5e_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of voting equity interests acquired</link:label>
    <link:label id="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired_label_en-US" xlink:label="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of voting equity interests acquired</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:to="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherAcquisitionMember_019ff75a-d484-7f29-b53c-3c4860df2b8d_terseLabel_en-US" xlink:label="lab_suz_OtherAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other (1)</link:label>
    <link:label id="lab_suz_OtherAcquisitionMember_label_en-US" xlink:label="lab_suz_OtherAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other acquisitions</link:label>
    <link:label id="lab_suz_OtherAcquisitionMember_documentation_en-US" xlink:label="lab_suz_OtherAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other acquisitions not separately disclosed.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherAcquisitionMember" xlink:href="suz-20260630.xsd#suz_OtherAcquisitionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherAcquisitionMember" xlink:to="lab_suz_OtherAcquisitionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinancialExpensesAbstract_019ff75a-d50c-7396-ac22-18357d1349e9_terseLabel_en-US" xlink:label="lab_suz_FinancialExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial expenses [Abstract]</link:label>
    <link:label id="lab_suz_FinancialExpensesAbstract_label_en-US" xlink:label="lab_suz_FinancialExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial expenses [Abstract]</link:label>
    <link:label id="lab_suz_FinancialExpensesAbstract_documentation_en-US" xlink:label="lab_suz_FinancialExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinancialExpensesAbstract" xlink:href="suz-20260630.xsd#suz_FinancialExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinancialExpensesAbstract" xlink:to="lab_suz_FinancialExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TreasuryStockNumberOfShares_019ff75a-d484-744c-8b73-d107833cf5b0_periodStartLabel_en-US" xlink:label="lab_suz_TreasuryStockNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance, Beginning of the period</link:label>
    <link:label id="lab_suz_TreasuryStockNumberOfShares_019ff75a-d484-7a9a-b0ce-d56fe83bb1e3_periodEndLabel_en-US" xlink:label="lab_suz_TreasuryStockNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Treasury Stock, Number of Shares</link:label>
    <link:label id="lab_suz_TreasuryStockNumberOfShares_label_en-US" xlink:label="lab_suz_TreasuryStockNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock, Number of Shares</link:label>
    <link:label id="lab_suz_TreasuryStockNumberOfShares_documentation_en-US" xlink:label="lab_suz_TreasuryStockNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TreasuryStockNumberOfShares" xlink:href="suz-20260630.xsd#suz_TreasuryStockNumberOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TreasuryStockNumberOfShares" xlink:to="lab_suz_TreasuryStockNumberOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FairValueAdjustmentOfProbableContingencies_019ff75a-d484-749c-98df-be5274fe2390_terseLabel_en-US" xlink:label="lab_suz_FairValueAdjustmentOfProbableContingencies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value adjustment of probable contingencies</link:label>
    <link:label id="lab_suz_FairValueAdjustmentOfProbableContingencies_label_en-US" xlink:label="lab_suz_FairValueAdjustmentOfProbableContingencies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Adjustment Of Probable Contingencies</link:label>
    <link:label id="lab_suz_FairValueAdjustmentOfProbableContingencies_documentation_en-US" xlink:label="lab_suz_FairValueAdjustmentOfProbableContingencies" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of fair value adjustment of probable contingencies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FairValueAdjustmentOfProbableContingencies" xlink:href="suz-20260630.xsd#suz_FairValueAdjustmentOfProbableContingencies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FairValueAdjustmentOfProbableContingencies" xlink:to="lab_suz_FairValueAdjustmentOfProbableContingencies" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SpecialStatutoryReserveDomain_019ff75a-d5ab-7a1c-91e6-7c403fdc7941_terseLabel_en-US" xlink:label="lab_suz_SpecialStatutoryReserveDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Special statutory reserve</link:label>
    <link:label id="lab_suz_SpecialStatutoryReserveDomain_label_en-US" xlink:label="lab_suz_SpecialStatutoryReserveDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Special statutory reserve [Domain]</link:label>
    <link:label id="lab_suz_SpecialStatutoryReserveDomain_documentation_en-US" xlink:label="lab_suz_SpecialStatutoryReserveDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a component of equity representing reserves created based on legal requirements and classified as special statutory reserves.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SpecialStatutoryReserveDomain" xlink:href="suz-20260630.xsd#suz_SpecialStatutoryReserveDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SpecialStatutoryReserveDomain" xlink:to="lab_suz_SpecialStatutoryReserveDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IfrsEmbeddedDerivativeFinancialInstrumentsMember_019ff75a-d50c-712c-87a7-81303f902ceb_terseLabel_en-US" xlink:label="lab_suz_IfrsEmbeddedDerivativeFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Embedded derivatives</link:label>
    <link:label id="lab_suz_IfrsEmbeddedDerivativeFinancialInstrumentsMember_label_en-US" xlink:label="lab_suz_IfrsEmbeddedDerivativeFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Embedded derivative</link:label>
    <link:label id="lab_suz_IfrsEmbeddedDerivativeFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_suz_IfrsEmbeddedDerivativeFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative instrument embedded in host contract.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IfrsEmbeddedDerivativeFinancialInstrumentsMember" xlink:href="suz-20260630.xsd#suz_IfrsEmbeddedDerivativeFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IfrsEmbeddedDerivativeFinancialInstrumentsMember" xlink:to="lab_suz_IfrsEmbeddedDerivativeFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FacepaMember_019ff75a-d484-76ae-85d2-0e802a364662_terseLabel_en-US" xlink:label="lab_suz_FacepaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill - Facepa (Tissue plant in Bel&#233;m/PA)</link:label>
    <link:label id="lab_suz_FacepaMember_label_en-US" xlink:label="lab_suz_FacepaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Facepa</link:label>
    <link:label id="lab_suz_FacepaMember_documentation_en-US" xlink:label="lab_suz_FacepaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for FACEPA.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FacepaMember" xlink:href="suz-20260630.xsd#suz_FacepaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FacepaMember" xlink:to="lab_suz_FacepaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CurrentAndOverdueToUp30DaysMember_019ff75a-d484-77be-9305-13a069811702_terseLabel_en-US" xlink:label="lab_suz_CurrentAndOverdueToUp30DaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current and overdue to up 30 days</link:label>
    <link:label id="lab_suz_CurrentAndOverdueToUp30DaysMember_label_en-US" xlink:label="lab_suz_CurrentAndOverdueToUp30DaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current and overdue to up 30 days member</link:label>
    <link:label id="lab_suz_CurrentAndOverdueToUp30DaysMember_documentation_en-US" xlink:label="lab_suz_CurrentAndOverdueToUp30DaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a time band of current and not later than thirty days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CurrentAndOverdueToUp30DaysMember" xlink:href="suz-20260630.xsd#suz_CurrentAndOverdueToUp30DaysMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CurrentAndOverdueToUp30DaysMember" xlink:to="lab_suz_CurrentAndOverdueToUp30DaysMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IfrsBorrowingsMember_019ff75a-d50c-77e4-aa33-1ff9aa9edc07_terseLabel_en-US" xlink:label="lab_suz_IfrsBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans, financing and debentures</link:label>
    <link:label id="lab_suz_IfrsBorrowingsMember_label_en-US" xlink:label="lab_suz_IfrsBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans, financing and debentures</link:label>
    <link:label id="lab_suz_IfrsBorrowingsMember_documentation_en-US" xlink:label="lab_suz_IfrsBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Obligations to pay to another in accordance with an expressed or implied agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IfrsBorrowingsMember" xlink:href="suz-20260630.xsd#suz_IfrsBorrowingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IfrsBorrowingsMember" xlink:to="lab_suz_IfrsBorrowingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CurrentAndNonCurrentPayablesDueToRelatedParties_019ff75a-d5ab-7029-9792-5a72e8a81309_terseLabel_en-US" xlink:label="lab_suz_CurrentAndNonCurrentPayablesDueToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_suz_CurrentAndNonCurrentPayablesDueToRelatedParties_label_en-US" xlink:label="lab_suz_CurrentAndNonCurrentPayablesDueToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current and Non-Current Payables Due to Related Parties</link:label>
    <link:label id="lab_suz_CurrentAndNonCurrentPayablesDueToRelatedParties_documentation_en-US" xlink:label="lab_suz_CurrentAndNonCurrentPayablesDueToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current and non-current payables due to related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CurrentAndNonCurrentPayablesDueToRelatedParties" xlink:href="suz-20260630.xsd#suz_CurrentAndNonCurrentPayablesDueToRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CurrentAndNonCurrentPayablesDueToRelatedParties" xlink:to="lab_suz_CurrentAndNonCurrentPayablesDueToRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BNDESUMBNDESMember_019ff75a-d484-7479-ad66-072818d6eb75_terseLabel_en-US" xlink:label="lab_suz_BNDESUMBNDESMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES - UMBNDES</link:label>
    <link:label id="lab_suz_BNDESUMBNDESMember_label_en-US" xlink:label="lab_suz_BNDESUMBNDESMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNDES &#8211;UMBNDES [Member]</link:label>
    <link:label id="lab_suz_BNDESUMBNDESMember_documentation_en-US" xlink:label="lab_suz_BNDESUMBNDESMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BNDES &#8211;UMBNDES</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BNDESUMBNDESMember" xlink:href="suz-20260630.xsd#suz_BNDESUMBNDESMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BNDESUMBNDESMember" xlink:to="lab_suz_BNDESUMBNDESMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EmbeddedDerivativeInACommitmentToPurchaseStandingWoodOriginatingFromAForestPartnershipAgreement_019ff75a-d3c2-7523-8307-f48cfeddf36e_terseLabel_en-US" xlink:label="lab_suz_EmbeddedDerivativeInACommitmentToPurchaseStandingWoodOriginatingFromAForestPartnershipAgreement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Embedded derivative in a commitment to purchase standing wood, originating from a forest partnership agreement</link:label>
    <link:label id="lab_suz_EmbeddedDerivativeInACommitmentToPurchaseStandingWoodOriginatingFromAForestPartnershipAgreement_label_en-US" xlink:label="lab_suz_EmbeddedDerivativeInACommitmentToPurchaseStandingWoodOriginatingFromAForestPartnershipAgreement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Embedded derivative in a commitment to purchase standing wood, originating from a forest partnership agreement</link:label>
    <link:label id="lab_suz_EmbeddedDerivativeInACommitmentToPurchaseStandingWoodOriginatingFromAForestPartnershipAgreement_documentation_en-US" xlink:label="lab_suz_EmbeddedDerivativeInACommitmentToPurchaseStandingWoodOriginatingFromAForestPartnershipAgreement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Embedded derivative in a commitment to purchase standing wood, originating from a forest partnership agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EmbeddedDerivativeInACommitmentToPurchaseStandingWoodOriginatingFromAForestPartnershipAgreement" xlink:href="suz-20260630.xsd#suz_EmbeddedDerivativeInACommitmentToPurchaseStandingWoodOriginatingFromAForestPartnershipAgreement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EmbeddedDerivativeInACommitmentToPurchaseStandingWoodOriginatingFromAForestPartnershipAgreement" xlink:to="lab_suz_EmbeddedDerivativeInACommitmentToPurchaseStandingWoodOriginatingFromAForestPartnershipAgreement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_019ff75a-d50c-7d96-92ae-aa95443c3aec_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets other than goodwill [member]</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets other than goodwill [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrBBMember_019ff75a-d50c-705c-abf6-2b77fbeb73d6_terseLabel_en-US" xlink:label="lab_suz_BrBBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">brBB</link:label>
    <link:label id="lab_suz_BrBBMember_label_en-US" xlink:label="lab_suz_BrBBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">brBB [Member]</link:label>
    <link:label id="lab_suz_BrBBMember_documentation_en-US" xlink:label="lab_suz_BrBBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">brBB</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrBBMember" xlink:href="suz-20260630.xsd#suz_BrBBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrBBMember" xlink:to="lab_suz_BrBBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherMarketableSecuritiesMember_019ff75a-d3c2-7a00-8c1a-da2152ca179a_terseLabel_en-US" xlink:label="lab_suz_OtherMarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_suz_OtherMarketableSecuritiesMember_label_en-US" xlink:label="lab_suz_OtherMarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Marketable Securities</link:label>
    <link:label id="lab_suz_OtherMarketableSecuritiesMember_documentation_en-US" xlink:label="lab_suz_OtherMarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other marketable securities not separately disclosed.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherMarketableSecuritiesMember" xlink:href="suz-20260630.xsd#suz_OtherMarketableSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherMarketableSecuritiesMember" xlink:to="lab_suz_OtherMarketableSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RevenueFromContractsWithCustomersGross_019ff75a-d484-7c5f-8916-93197d6d5a08_terseLabel_en-US" xlink:label="lab_suz_RevenueFromContractsWithCustomersGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross sales</link:label>
    <link:label id="lab_suz_RevenueFromContractsWithCustomersGross_label_en-US" xlink:label="lab_suz_RevenueFromContractsWithCustomersGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue From Contracts With Customers, Gross</link:label>
    <link:label id="lab_suz_RevenueFromContractsWithCustomersGross_documentation_en-US" xlink:label="lab_suz_RevenueFromContractsWithCustomersGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The gross amount of revenue from contracts with customers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RevenueFromContractsWithCustomersGross" xlink:href="suz-20260630.xsd#suz_RevenueFromContractsWithCustomersGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RevenueFromContractsWithCustomersGross" xlink:to="lab_suz_RevenueFromContractsWithCustomersGross" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_February2029Member_019ff75a-d5ab-77d2-b184-b8531acb0f5c_terseLabel_en-US" xlink:label="lab_suz_February2029Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">February 2029</link:label>
    <link:label id="lab_suz_February2029Member_label_en-US" xlink:label="lab_suz_February2029Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">February 2029 [Member]</link:label>
    <link:label id="lab_suz_February2029Member_documentation_en-US" xlink:label="lab_suz_February2029Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">February 2029</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_February2029Member" xlink:href="suz-20260630.xsd#suz_February2029Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_February2029Member" xlink:to="lab_suz_February2029Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CraAndNceMember_019ff75a-d50c-7f90-8272-85a3c4ed5c2c_terseLabel_en-US" xlink:label="lab_suz_CraAndNceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CRA and NCE</link:label>
    <link:label id="lab_suz_CraAndNceMember_label_en-US" xlink:label="lab_suz_CraAndNceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CRA and NCE</link:label>
    <link:label id="lab_suz_CraAndNceMember_documentation_en-US" xlink:label="lab_suz_CraAndNceMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for CRA and NCE.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CraAndNceMember" xlink:href="suz-20260630.xsd#suz_CraAndNceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CraAndNceMember" xlink:to="lab_suz_CraAndNceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativesMember_019ff75a-d484-78c7-b981-d84f4eccbc7a_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_DerivativesMember_label_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativesMember" xlink:to="lab_ifrs-full_DerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BNDESSELICMember_019ff75a-d484-79bd-94cb-7b3c9a8f75b7_terseLabel_en-US" xlink:label="lab_suz_BNDESSELICMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES &#8211; Selic (&#8220;Special Settlement and Custody System&#8221;)</link:label>
    <link:label id="lab_suz_BNDESSELICMember_label_en-US" xlink:label="lab_suz_BNDESSELICMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNDES &#8211; SELIC [Member]</link:label>
    <link:label id="lab_suz_BNDESSELICMember_documentation_en-US" xlink:label="lab_suz_BNDESSELICMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BNDES &#8211; SELIC</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BNDESSELICMember" xlink:href="suz-20260630.xsd#suz_BNDESSELICMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BNDESSELICMember" xlink:to="lab_suz_BNDESSELICMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfTechnologyCenters_019ff75a-d484-757e-910d-ffbf09a27f36_terseLabel_en-US" xlink:label="lab_suz_NumberOfTechnologyCenters" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Technology Centers</link:label>
    <link:label id="lab_suz_NumberOfTechnologyCenters_label_en-US" xlink:label="lab_suz_NumberOfTechnologyCenters" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Technology Centers</link:label>
    <link:label id="lab_suz_NumberOfTechnologyCenters_documentation_en-US" xlink:label="lab_suz_NumberOfTechnologyCenters" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of technology centers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfTechnologyCenters" xlink:href="suz-20260630.xsd#suz_NumberOfTechnologyCenters"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfTechnologyCenters" xlink:to="lab_suz_NumberOfTechnologyCenters" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed_019ff75a-d484-75d2-870a-e25de25a5405_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenses relating to short-term assets</link:label>
    <link:label id="lab_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed_label_en-US" xlink:label="lab_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense relating to short-term leases for which recognition exemption has been used</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" xlink:to="lab_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MajorBusinessCombinationMember_019ff75a-d484-711f-bbc3-ef29d2e926dc_terseLabel_en-US" xlink:label="lab_ifrs-full_MajorBusinessCombinationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major business combination [member]</link:label>
    <link:label id="lab_ifrs-full_MajorBusinessCombinationMember_label_en-US" xlink:label="lab_ifrs-full_MajorBusinessCombinationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major business combination [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorBusinessCombinationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorBusinessCombinationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MajorBusinessCombinationMember" xlink:to="lab_ifrs-full_MajorBusinessCombinationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnusedTaxLossesMember_019ff75a-d50c-774c-96ad-5ff5929cb03d_terseLabel_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax loss carried forward</link:label>
    <link:label id="lab_ifrs-full_UnusedTaxLossesMember_label_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unused tax losses [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnusedTaxLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnusedTaxLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedTaxLossesMember" xlink:to="lab_ifrs-full_UnusedTaxLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TrancheTwoMember_019ff75a-d5ab-7ce8-bff9-e7920ff74ef8_terseLabel_en-US" xlink:label="lab_suz_TrancheTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche Two</link:label>
    <link:label id="lab_suz_TrancheTwoMember_label_en-US" xlink:label="lab_suz_TrancheTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche Two [Member]</link:label>
    <link:label id="lab_suz_TrancheTwoMember_documentation_en-US" xlink:label="lab_suz_TrancheTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TrancheTwoMember" xlink:href="suz-20260630.xsd#suz_TrancheTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TrancheTwoMember" xlink:to="lab_suz_TrancheTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_019ff75a-d50c-79eb-91b5-f4f2e05e1732_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserve of exchange differences on translation [member]</link:label>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of exchange differences on translation [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:to="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CurrentAndNonCurrentReceivablesDueFromRelatedParties_019ff75a-d50c-7caa-b971-fe1c8029913b_terseLabel_en-US" xlink:label="lab_suz_CurrentAndNonCurrentReceivablesDueFromRelatedParties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_suz_CurrentAndNonCurrentReceivablesDueFromRelatedParties_label_en-US" xlink:label="lab_suz_CurrentAndNonCurrentReceivablesDueFromRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current and Non-Current Receivables Due from Related Parties</link:label>
    <link:label id="lab_suz_CurrentAndNonCurrentReceivablesDueFromRelatedParties_documentation_en-US" xlink:label="lab_suz_CurrentAndNonCurrentReceivablesDueFromRelatedParties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current and non-current receivables due from related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CurrentAndNonCurrentReceivablesDueFromRelatedParties" xlink:href="suz-20260630.xsd#suz_CurrentAndNonCurrentReceivablesDueFromRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CurrentAndNonCurrentReceivablesDueFromRelatedParties" xlink:to="lab_suz_CurrentAndNonCurrentReceivablesDueFromRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MarketableSecurities_019ff75a-d5ab-7e5e-a22e-f88a7b9379e4_terseLabel_en-US" xlink:label="lab_suz_MarketableSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketable Securities</link:label>
    <link:label id="lab_suz_MarketableSecurities_label_en-US" xlink:label="lab_suz_MarketableSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities</link:label>
    <link:label id="lab_suz_MarketableSecurities_documentation_en-US" xlink:label="lab_suz_MarketableSecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total current and non-current debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MarketableSecurities" xlink:href="suz-20260630.xsd#suz_MarketableSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MarketableSecurities" xlink:to="lab_suz_MarketableSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PaymentsForProceedsFromFinancialInvestments_019ff75a-d50c-7245-80d3-34346a96bc6c_negatedTerseLabel_en-US" xlink:label="lab_suz_PaymentsForProceedsFromFinancialInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Marketable securities, net</link:label>
    <link:label id="lab_suz_PaymentsForProceedsFromFinancialInvestments_label_en-US" xlink:label="lab_suz_PaymentsForProceedsFromFinancialInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Financial Investments</link:label>
    <link:label id="lab_suz_PaymentsForProceedsFromFinancialInvestments_documentation_en-US" xlink:label="lab_suz_PaymentsForProceedsFromFinancialInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount paid (received) by the reporting entity through acquisition or sale and maturities of financial investments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaymentsForProceedsFromFinancialInvestments" xlink:href="suz-20260630.xsd#suz_PaymentsForProceedsFromFinancialInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaymentsForProceedsFromFinancialInvestments" xlink:to="lab_suz_PaymentsForProceedsFromFinancialInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IfrsLeaseAgreementsMember_019ff75a-d50c-72e9-889c-ccc63c8a2b85_terseLabel_en-US" xlink:label="lab_suz_IfrsLeaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease agreements</link:label>
    <link:label id="lab_suz_IfrsLeaseAgreementsMember_label_en-US" xlink:label="lab_suz_IfrsLeaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease agreements</link:label>
    <link:label id="lab_suz_IfrsLeaseAgreementsMember_documentation_en-US" xlink:label="lab_suz_IfrsLeaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contractual agreement that stipulates the lessee pay the lessor for use of an asset.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IfrsLeaseAgreementsMember" xlink:href="suz-20260630.xsd#suz_IfrsLeaseAgreementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IfrsLeaseAgreementsMember" xlink:to="lab_suz_IfrsLeaseAgreementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FuturageneLtd.Member_019ff75a-d5ab-70d5-b302-7fae03711105_terseLabel_en-US" xlink:label="lab_suz_FuturageneLtd.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FuturaGene Ltda. (Direct)</link:label>
    <link:label id="lab_suz_FuturageneLtd.Member_label_en-US" xlink:label="lab_suz_FuturageneLtd.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FuturaGene Ltd.</link:label>
    <link:label id="lab_suz_FuturageneLtd.Member_documentation_en-US" xlink:label="lab_suz_FuturageneLtd.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for FuturaGene Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FuturageneLtd.Member" xlink:href="suz-20260630.xsd#suz_FuturageneLtd.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FuturageneLtd.Member" xlink:to="lab_suz_FuturageneLtd.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingExpense_019ff75a-d5ab-7f3b-965c-2bd4867bbbe6_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Operating expense</link:label>
    <link:label id="lab_ifrs-full_OperatingExpense_label_en-US" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="lab_ifrs-full_OperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdvancesToSuppliers_019ff75a-d484-7d34-bf8a-eb251ea4eb22_terseLabel_en-US" xlink:label="lab_suz_AdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to Suppliers.</link:label>
    <link:label id="lab_suz_AdvancesToSuppliers_label_en-US" xlink:label="lab_suz_AdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances to Suppliers.</link:label>
    <link:label id="lab_suz_AdvancesToSuppliers_documentation_en-US" xlink:label="lab_suz_AdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current and non-current advances made to suppliers before goods or services are received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdvancesToSuppliers" xlink:href="suz-20260630.xsd#suz_AdvancesToSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdvancesToSuppliers" xlink:to="lab_suz_AdvancesToSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory_019ff75a-d484-7df9-bc64-20c95fefd3fc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of information about maturity profile of defined benefit obligation [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information about maturity profile of defined benefit obligation [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MachinesAndEquipmentMember_019ff75a-d484-7d4b-b615-18c02106f332_terseLabel_en-US" xlink:label="lab_suz_MachinesAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Machinery and equipment</link:label>
    <link:label id="lab_suz_MachinesAndEquipmentMember_label_en-US" xlink:label="lab_suz_MachinesAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Machines and equipment [Member]</link:label>
    <link:label id="lab_suz_MachinesAndEquipmentMember_documentation_en-US" xlink:label="lab_suz_MachinesAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for leased assets classified as machines and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MachinesAndEquipmentMember" xlink:href="suz-20260630.xsd#suz_MachinesAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MachinesAndEquipmentMember" xlink:to="lab_suz_MachinesAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BusinessCombinationsMember_019ff75a-d50c-7157-80f4-9f8433e1a310_terseLabel_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business combinations [member]</link:label>
    <link:label id="lab_ifrs-full_BusinessCombinationsMember_label_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total for all business combinations [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BusinessCombinationsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BusinessCombinationsMember" xlink:to="lab_ifrs-full_BusinessCombinationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_019ff75a-d50c-73d3-abaf-a69eb6ed3570_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:to="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProceedsFromPaymentsForDerivativeInstrumentSettlement_019ff75a-d484-77cd-b75c-1bf01fadec6b_terseLabel_en-US" xlink:label="lab_suz_ProceedsFromPaymentsForDerivativeInstrumentSettlement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds From (Payments For) Derivative Instrument, Settlement</link:label>
    <link:label id="lab_suz_ProceedsFromPaymentsForDerivativeInstrumentSettlement_label_en-US" xlink:label="lab_suz_ProceedsFromPaymentsForDerivativeInstrumentSettlement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From (Payments For) Derivative Instrument, Settlement</link:label>
    <link:label id="lab_suz_ProceedsFromPaymentsForDerivativeInstrumentSettlement_documentation_en-US" xlink:label="lab_suz_ProceedsFromPaymentsForDerivativeInstrumentSettlement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net cash inflow (outflow) from settlement of derivative instruments during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProceedsFromPaymentsForDerivativeInstrumentSettlement" xlink:href="suz-20260630.xsd#suz_ProceedsFromPaymentsForDerivativeInstrumentSettlement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProceedsFromPaymentsForDerivativeInstrumentSettlement" xlink:to="lab_suz_ProceedsFromPaymentsForDerivativeInstrumentSettlement" xlink:type="arc" order="1"/>
    <link:label id="lab_country_SG_019ff75a-d50c-7941-8eda-b4a60c43806e_terseLabel_en-US" xlink:label="lab_country_SG" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SINGAPORE</link:label>
    <link:label id="lab_country_SG_label_en-US" xlink:label="lab_country_SG" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SINGAPORE</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_SG" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_SG"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_SG" xlink:to="lab_country_SG" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_UnclaimedDividendForfeitedMember_019ff75a-d50c-7c37-a2f2-aba2981d7b4f_terseLabel_en-US" xlink:label="lab_suz_UnclaimedDividendForfeitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unclaimed dividends forfeited</link:label>
    <link:label id="lab_suz_UnclaimedDividendForfeitedMember_label_en-US" xlink:label="lab_suz_UnclaimedDividendForfeitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unclaimed dividend forfeited [Member]</link:label>
    <link:label id="lab_suz_UnclaimedDividendForfeitedMember_documentation_en-US" xlink:label="lab_suz_UnclaimedDividendForfeitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for unclaimed dividend forfeited.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_UnclaimedDividendForfeitedMember" xlink:href="suz-20260630.xsd#suz_UnclaimedDividendForfeitedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_UnclaimedDividendForfeitedMember" xlink:to="lab_suz_UnclaimedDividendForfeitedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FluffPulpMember_019ff75a-d50c-7054-803d-81bb37e68a95_terseLabel_en-US" xlink:label="lab_suz_FluffPulpMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fluff pulp</link:label>
    <link:label id="lab_suz_FluffPulpMember_label_en-US" xlink:label="lab_suz_FluffPulpMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fluff pulp</link:label>
    <link:label id="lab_suz_FluffPulpMember_documentation_en-US" xlink:label="lab_suz_FluffPulpMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent the information pertaining to fluff pulp for the particular period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FluffPulpMember" xlink:href="suz-20260630.xsd#suz_FluffPulpMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FluffPulpMember" xlink:to="lab_suz_FluffPulpMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Equity_019ff75a-d484-798a-8b41-75f973d23008_totalLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total equity</link:label>
    <link:label id="lab_ifrs-full_Equity_019ff75a-d484-725d-8c48-828b8b8342bc_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Equity at beginning of period</link:label>
    <link:label id="lab_ifrs-full_Equity_019ff75a-d484-702c-8bc8-f3beb7d7c3a5_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Equity at end of period</link:label>
    <link:label id="lab_ifrs-full_Equity_019ff75a-d484-7bd8-9736-217f2c02f35f_terseLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_Equity_label_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Equity" xlink:to="lab_ifrs-full_Equity" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughOperatingProvisionsAndOtherLossesDeferredTaxLiabilityAsset_019ff75a-d484-71e9-a226-d761f9a83107_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughOperatingProvisionsAndOtherLossesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating provisions and other losses</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughOperatingProvisionsAndOtherLossesDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughOperatingProvisionsAndOtherLossesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Operating Provisions and Other Losses, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughOperatingProvisionsAndOtherLossesDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughOperatingProvisionsAndOtherLossesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from operating provisions and other losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughOperatingProvisionsAndOtherLossesDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughOperatingProvisionsAndOtherLossesDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughOperatingProvisionsAndOtherLossesDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughOperatingProvisionsAndOtherLossesDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxExpenseIncome_019ff75a-d50c-7d74-936a-ec1d3d3cf1ba_totalLabel_en-US" xlink:label="lab_suz_IncomeTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Income Tax Expense income</link:label>
    <link:label id="lab_suz_IncomeTaxExpenseIncome_label_en-US" xlink:label="lab_suz_IncomeTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Expense income</link:label>
    <link:label id="lab_suz_IncomeTaxExpenseIncome_documentation_en-US" xlink:label="lab_suz_IncomeTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current and deferred income tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxExpenseIncome" xlink:href="suz-20260630.xsd#suz_IncomeTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxExpenseIncome" xlink:to="lab_suz_IncomeTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019ff75a-d50c-7e4a-93d8-5c9463d32ed3_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019ff75a-d50c-78b2-a477-309f1fc6a107_periodStartLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019ff75a-d50c-716c-8157-5c50d41b65f0_periodEndLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="lab_ifrs-full_PropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalAmountOfExercisedShares_019ff75a-d484-7da6-bd6f-5ef472b9d0da_terseLabel_en-US" xlink:label="lab_suz_TotalAmountOfExercisedShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercised</link:label>
    <link:label id="lab_suz_TotalAmountOfExercisedShares_label_en-US" xlink:label="lab_suz_TotalAmountOfExercisedShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total amount of exercised shares</link:label>
    <link:label id="lab_suz_TotalAmountOfExercisedShares_documentation_en-US" xlink:label="lab_suz_TotalAmountOfExercisedShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total amount of exercised shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalAmountOfExercisedShares" xlink:href="suz-20260630.xsd#suz_TotalAmountOfExercisedShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalAmountOfExercisedShares" xlink:to="lab_suz_TotalAmountOfExercisedShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossProfit_019ff75a-d5ab-7ae1-a5e0-d46a0b6f515f_totalLabel_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Gross profit</link:label>
    <link:label id="lab_ifrs-full_GrossProfit_019ff75a-d5ab-7d73-857a-19ab1d36920b_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross profit</link:label>
    <link:label id="lab_ifrs-full_GrossProfit_label_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross profit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossProfit" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossProfit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossProfit" xlink:to="lab_ifrs-full_GrossProfit" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseProvisionShareBasedPayment_019ff75a-d5ab-7ae5-a8d1-04b0961f16a2_terseLabel_en-US" xlink:label="lab_suz_IncreaseProvisionShareBasedPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase Provision Share Based Payment</link:label>
    <link:label id="lab_suz_IncreaseProvisionShareBasedPayment_label_en-US" xlink:label="lab_suz_IncreaseProvisionShareBasedPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Provision Share Based Payment</link:label>
    <link:label id="lab_suz_IncreaseProvisionShareBasedPayment_documentation_en-US" xlink:label="lab_suz_IncreaseProvisionShareBasedPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the increase in the provision recognized for share-based payment transactions, specifically for cash-settled share-based compensation, such as phantom stock plans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseProvisionShareBasedPayment" xlink:href="suz-20260630.xsd#suz_IncreaseProvisionShareBasedPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseProvisionShareBasedPayment" xlink:to="lab_suz_IncreaseProvisionShareBasedPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesTable_019ff75a-d5ab-734a-9542-d5b361853cff_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Detailed Information About Accounting Policies [Table]</link:label>
    <link:label id="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesTable_label_en-US" xlink:label="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Detailed Information About Accounting Policies [Table]</link:label>
    <link:label id="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesTable_documentation_en-US" xlink:label="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of Detailed Information About Accounting Policies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesTable" xlink:href="suz-20260630.xsd#suz_DisclosureOfDetailedInformationAboutAccountingPoliciesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesTable" xlink:to="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfChangesInAllowanceForDoubtfulAccountsTableTextBlock_019ff75a-d484-7cbf-8a59-9e5b1b288d8b_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfChangesInAllowanceForDoubtfulAccountsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Changes in Allowance for Doubtful Accounts</link:label>
    <link:label id="lab_suz_DisclosureOfChangesInAllowanceForDoubtfulAccountsTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfChangesInAllowanceForDoubtfulAccountsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Changes in Allowance for Doubtful Accounts [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfChangesInAllowanceForDoubtfulAccountsTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfChangesInAllowanceForDoubtfulAccountsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about changes in allowance for doubtful accounts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfChangesInAllowanceForDoubtfulAccountsTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfChangesInAllowanceForDoubtfulAccountsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfChangesInAllowanceForDoubtfulAccountsTableTextBlock" xlink:to="lab_suz_DisclosureOfChangesInAllowanceForDoubtfulAccountsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CurrentTaxExpenseIncomeAndCurrentSocialContributionTaxExpenseIncome_019ff75a-d484-7160-8c7a-6bd7b1e63139_negatedLabel_en-US" xlink:label="lab_suz_CurrentTaxExpenseIncomeAndCurrentSocialContributionTaxExpenseIncome" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Current Tax Expense (Income) And Current Social Contribution Tax Expense (Income)</link:label>
    <link:label id="lab_suz_CurrentTaxExpenseIncomeAndCurrentSocialContributionTaxExpenseIncome_label_en-US" xlink:label="lab_suz_CurrentTaxExpenseIncomeAndCurrentSocialContributionTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Tax Expense (Income) And Current Social Contribution Tax Expense (Income)</link:label>
    <link:label id="lab_suz_CurrentTaxExpenseIncomeAndCurrentSocialContributionTaxExpenseIncome_documentation_en-US" xlink:label="lab_suz_CurrentTaxExpenseIncomeAndCurrentSocialContributionTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate amount of income and social contribution taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CurrentTaxExpenseIncomeAndCurrentSocialContributionTaxExpenseIncome" xlink:href="suz-20260630.xsd#suz_CurrentTaxExpenseIncomeAndCurrentSocialContributionTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CurrentTaxExpenseIncomeAndCurrentSocialContributionTaxExpenseIncome" xlink:to="lab_suz_CurrentTaxExpenseIncomeAndCurrentSocialContributionTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember_019ff75a-d50c-731a-bdbd-bf4bd1fc7aa2_terseLabel_en-US" xlink:label="lab_suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap IPCA x CDI (notional in Brazilian Reais)</link:label>
    <link:label id="lab_suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember_label_en-US" xlink:label="lab_suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap IPCA to CDI</link:label>
    <link:label id="lab_suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember_documentation_en-US" xlink:label="lab_suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for positions in conventional swaps by changing from Amplified Consumer Price Index ("IPCA") to rate of DI. The purpose is to change the debt index to Brazilian Reais..</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember" xlink:href="suz-20260630.xsd#suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember" xlink:to="lab_suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_StockRepurchasedDuringPeriodMarketValue_019ff75a-d50c-79e8-b455-179152098b75_terseLabel_en-US" xlink:label="lab_suz_StockRepurchasedDuringPeriodMarketValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase</link:label>
    <link:label id="lab_suz_StockRepurchasedDuringPeriodMarketValue_label_en-US" xlink:label="lab_suz_StockRepurchasedDuringPeriodMarketValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchased During Period, Market Value</link:label>
    <link:label id="lab_suz_StockRepurchasedDuringPeriodMarketValue_documentation_en-US" xlink:label="lab_suz_StockRepurchasedDuringPeriodMarketValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market value of shares repurchased during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_StockRepurchasedDuringPeriodMarketValue" xlink:href="suz-20260630.xsd#suz_StockRepurchasedDuringPeriodMarketValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_StockRepurchasedDuringPeriodMarketValue" xlink:to="lab_suz_StockRepurchasedDuringPeriodMarketValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentNonfinancialLiabilities_019ff75a-d484-7324-818e-1bd67b6d507b_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentNonfinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentNonfinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentNonfinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current non-financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentNonfinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentNonfinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentNonfinancialLiabilities" xlink:to="lab_ifrs-full_OtherCurrentNonfinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InformationAboutMajorCustomers_019ff75a-d5ab-788b-bd40-2391161e793a_terseLabel_en-US" xlink:label="lab_ifrs-full_InformationAboutMajorCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Information about major customers</link:label>
    <link:label id="lab_ifrs-full_InformationAboutMajorCustomers_label_en-US" xlink:label="lab_ifrs-full_InformationAboutMajorCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Information about major customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InformationAboutMajorCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InformationAboutMajorCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InformationAboutMajorCustomers" xlink:to="lab_ifrs-full_InformationAboutMajorCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_019ff75a-d5ab-7044-bdd7-0736471addb1_terseLabel_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 1</link:label>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 1 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level1OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfDetailedInformationAboutInvestmentInAssociatesAndJointVenturesTableTextBlock_019ff75a-d484-7059-a445-afdad8890508_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfDetailedInformationAboutInvestmentInAssociatesAndJointVenturesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Detailed Information About Investment in Associates and Joint Ventures</link:label>
    <link:label id="lab_suz_DisclosureOfDetailedInformationAboutInvestmentInAssociatesAndJointVenturesTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfDetailedInformationAboutInvestmentInAssociatesAndJointVenturesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Detailed Information About Investment in Associates and Joint Ventures [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfDetailedInformationAboutInvestmentInAssociatesAndJointVenturesTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfDetailedInformationAboutInvestmentInAssociatesAndJointVenturesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about investments in associates and joint ventures.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfDetailedInformationAboutInvestmentInAssociatesAndJointVenturesTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfDetailedInformationAboutInvestmentInAssociatesAndJointVenturesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfDetailedInformationAboutInvestmentInAssociatesAndJointVenturesTableTextBlock" xlink:to="lab_suz_DisclosureOfDetailedInformationAboutInvestmentInAssociatesAndJointVenturesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProjetosEspeciaisEInvestimentosLtda.Member_019ff75a-d5ab-710e-9b31-19c0a791a700_terseLabel_en-US" xlink:label="lab_suz_ProjetosEspeciaisEInvestimentosLtda.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Projetos Especiais e Investimentos Ltda. (Direct)</link:label>
    <link:label id="lab_suz_ProjetosEspeciaisEInvestimentosLtda.Member_label_en-US" xlink:label="lab_suz_ProjetosEspeciaisEInvestimentosLtda.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Projetos Especiais e Investimentos Ltda.</link:label>
    <link:label id="lab_suz_ProjetosEspeciaisEInvestimentosLtda.Member_documentation_en-US" xlink:label="lab_suz_ProjetosEspeciaisEInvestimentosLtda.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Projetos Especiais e Investimentos Ltda.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProjetosEspeciaisEInvestimentosLtda.Member" xlink:href="suz-20260630.xsd#suz_ProjetosEspeciaisEInvestimentosLtda.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProjetosEspeciaisEInvestimentosLtda.Member" xlink:to="lab_suz_ProjetosEspeciaisEInvestimentosLtda.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_April2030Member_019ff75a-d50c-7be7-adcc-f79c7f0ffd60_terseLabel_en-US" xlink:label="lab_suz_April2030Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">April 2030</link:label>
    <link:label id="lab_suz_April2030Member_label_en-US" xlink:label="lab_suz_April2030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">April 2030 [Member]</link:label>
    <link:label id="lab_suz_April2030Member_documentation_en-US" xlink:label="lab_suz_April2030Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">April 2030</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_April2030Member" xlink:href="suz-20260630.xsd#suz_April2030Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_April2030Member" xlink:to="lab_suz_April2030Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract_019ff75a-d50c-744d-b42c-0d5f6d56e2cd_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current borrowings and current portion of non-current borrowings, by type [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:to="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalInLocalCurrencyMember_019ff75a-d484-76f2-9941-4d3b6aa7d923_terseLabel_en-US" xlink:label="lab_suz_TotalInLocalCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total in local currency [Member]</link:label>
    <link:label id="lab_suz_TotalInLocalCurrencyMember_label_en-US" xlink:label="lab_suz_TotalInLocalCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total in local currency [Member]</link:label>
    <link:label id="lab_suz_TotalInLocalCurrencyMember_documentation_en-US" xlink:label="lab_suz_TotalInLocalCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total in local currency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalInLocalCurrencyMember" xlink:href="suz-20260630.xsd#suz_TotalInLocalCurrencyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalInLocalCurrencyMember" xlink:to="lab_suz_TotalInLocalCurrencyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NETFINANCIALINCOMEEXPENSESAbstract_019ff75a-d484-74e8-b1a8-115d91102560_terseLabel_en-US" xlink:label="lab_suz_NETFINANCIALINCOMEEXPENSESAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NET FINANCIAL INCOME (EXPENSES) [Abstract]</link:label>
    <link:label id="lab_suz_NETFINANCIALINCOMEEXPENSESAbstract_label_en-US" xlink:label="lab_suz_NETFINANCIALINCOMEEXPENSESAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NET FINANCIAL INCOME (EXPENSES) [Abstract]</link:label>
    <link:label id="lab_suz_NETFINANCIALINCOMEEXPENSESAbstract_documentation_en-US" xlink:label="lab_suz_NETFINANCIALINCOMEEXPENSESAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">NET FINANCIAL INCOME (EXPENSES)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NETFINANCIALINCOMEEXPENSESAbstract" xlink:href="suz-20260630.xsd#suz_NETFINANCIALINCOMEEXPENSESAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NETFINANCIALINCOMEEXPENSESAbstract" xlink:to="lab_suz_NETFINANCIALINCOMEEXPENSESAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_019ff75a-d484-7d4e-920c-55678da92594_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoIndustrialMember_019ff75a-d5ab-75b6-b472-527c71aad7c8_terseLabel_en-US" xlink:label="lab_suz_SuzanoIndustrialMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Industrial</link:label>
    <link:label id="lab_suz_SuzanoIndustrialMember_label_en-US" xlink:label="lab_suz_SuzanoIndustrialMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Industrial [Member]</link:label>
    <link:label id="lab_suz_SuzanoIndustrialMember_documentation_en-US" xlink:label="lab_suz_SuzanoIndustrialMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano industrial operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoIndustrialMember" xlink:href="suz-20260630.xsd#suz_SuzanoIndustrialMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoIndustrialMember" xlink:to="lab_suz_SuzanoIndustrialMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfProceedingsAxis_019ff75a-d5ab-7abc-927b-98bacfcd008e_terseLabel_en-US" xlink:label="lab_suz_NumberOfProceedingsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Proceedings [Axis]</link:label>
    <link:label id="lab_suz_NumberOfProceedingsAxis_label_en-US" xlink:label="lab_suz_NumberOfProceedingsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Proceedings [Axis]</link:label>
    <link:label id="lab_suz_NumberOfProceedingsAxis_documentation_en-US" xlink:label="lab_suz_NumberOfProceedingsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Proceedings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfProceedingsAxis" xlink:href="suz-20260630.xsd#suz_NumberOfProceedingsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfProceedingsAxis" xlink:to="lab_suz_NumberOfProceedingsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CultivarsMember_019ff75a-d3c2-7eb9-ae1e-bb12f633433a_terseLabel_en-US" xlink:label="lab_suz_CultivarsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cultivars</link:label>
    <link:label id="lab_suz_CultivarsMember_label_en-US" xlink:label="lab_suz_CultivarsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cultivars</link:label>
    <link:label id="lab_suz_CultivarsMember_documentation_en-US" xlink:label="lab_suz_CultivarsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a class of intangible assets representing cultivars.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CultivarsMember" xlink:href="suz-20260630.xsd#suz_CultivarsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CultivarsMember" xlink:to="lab_suz_CultivarsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfChangesInLoansFinancingAndDebenturesTableTextBlock_019ff75a-d483-7bac-ab46-52d0daf03cde_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfChangesInLoansFinancingAndDebenturesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Changes In Loans, Financing and Debentures</link:label>
    <link:label id="lab_suz_ScheduleOfChangesInLoansFinancingAndDebenturesTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfChangesInLoansFinancingAndDebenturesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Changes In Loans, Financing and Debentures [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfChangesInLoansFinancingAndDebenturesTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfChangesInLoansFinancingAndDebenturesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of changes in loans, financing and debentures for the reporting period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfChangesInLoansFinancingAndDebenturesTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfChangesInLoansFinancingAndDebenturesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfChangesInLoansFinancingAndDebenturesTableTextBlock" xlink:to="lab_suz_ScheduleOfChangesInLoansFinancingAndDebenturesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InterimDividendsDeclared_019ff75a-d50c-73d9-bbee-15c2ad08af16_terseLabel_en-US" xlink:label="lab_suz_InterimDividendsDeclared" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interim dividends declared</link:label>
    <link:label id="lab_suz_InterimDividendsDeclared_label_en-US" xlink:label="lab_suz_InterimDividendsDeclared" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interim Dividends Declared</link:label>
    <link:label id="lab_suz_InterimDividendsDeclared_documentation_en-US" xlink:label="lab_suz_InterimDividendsDeclared" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of interim dividends approved for payment by the Company.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InterimDividendsDeclared" xlink:href="suz-20260630.xsd#suz_InterimDividendsDeclared"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InterimDividendsDeclared" xlink:to="lab_suz_InterimDividendsDeclared" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AreaOfLandUsedForAgriculture_019ff75a-d484-7926-b5dc-1fed6435101a_terseLabel_en-US" xlink:label="lab_ifrs-full_AreaOfLandUsedForAgriculture" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Useful productive planted area (hectare) eligible for fair value calculation</link:label>
    <link:label id="lab_ifrs-full_AreaOfLandUsedForAgriculture_label_en-US" xlink:label="lab_ifrs-full_AreaOfLandUsedForAgriculture" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Area of land used for agriculture</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AreaOfLandUsedForAgriculture" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AreaOfLandUsedForAgriculture"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AreaOfLandUsedForAgriculture" xlink:to="lab_ifrs-full_AreaOfLandUsedForAgriculture" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ConsumerGoodsMember_019ff75a-d5ab-7054-99f0-06fde7d70641_terseLabel_en-US" xlink:label="lab_suz_ConsumerGoodsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Paper</link:label>
    <link:label id="lab_suz_ConsumerGoodsMember_label_en-US" xlink:label="lab_suz_ConsumerGoodsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumer goods</link:label>
    <link:label id="lab_suz_ConsumerGoodsMember_documentation_en-US" xlink:label="lab_suz_ConsumerGoodsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for consumer goods.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ConsumerGoodsMember" xlink:href="suz-20260630.xsd#suz_ConsumerGoodsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ConsumerGoodsMember" xlink:to="lab_suz_ConsumerGoodsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_019ff75a-d5ab-7dd2-b4fb-936861083cbd_terseLabel_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 2</link:label>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 2 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level2OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrAMember_019ff75a-d484-7d3e-9f46-fb9ed14919a2_terseLabel_en-US" xlink:label="lab_suz_BrAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">brA</link:label>
    <link:label id="lab_suz_BrAMember_label_en-US" xlink:label="lab_suz_BrAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">brA [Member]</link:label>
    <link:label id="lab_suz_BrAMember_documentation_en-US" xlink:label="lab_suz_BrAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">brA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrAMember" xlink:href="suz-20260630.xsd#suz_BrAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrAMember" xlink:to="lab_suz_BrAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalGoodwillMember_019ff75a-d5ab-7ab0-a416-adb45443689f_terseLabel_en-US" xlink:label="lab_suz_TotalGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Goodwill</link:label>
    <link:label id="lab_suz_TotalGoodwillMember_label_en-US" xlink:label="lab_suz_TotalGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Goodwill [Member]</link:label>
    <link:label id="lab_suz_TotalGoodwillMember_documentation_en-US" xlink:label="lab_suz_TotalGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalGoodwillMember" xlink:href="suz-20260630.xsd#suz_TotalGoodwillMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalGoodwillMember" xlink:to="lab_suz_TotalGoodwillMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_019ff75a-d484-74a0-8a22-1ed2fc40fe56_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Resulted of the year attributable to controlling shareholders'</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestIncomeOnCashAndCashEquivalents_019ff75a-d5ab-7d24-9ca6-f74826d3d6ea_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents and marketable securities</link:label>
    <link:label id="lab_ifrs-full_InterestIncomeOnCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest income on cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestIncomeOnCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:to="lab_ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CDIMember_019ff75a-d484-7624-bb5e-5e7c9d53cb0b_terseLabel_en-US" xlink:label="lab_suz_CDIMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CDI</link:label>
    <link:label id="lab_suz_CDIMember_label_en-US" xlink:label="lab_suz_CDIMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CDI [Member]</link:label>
    <link:label id="lab_suz_CDIMember_documentation_en-US" xlink:label="lab_suz_CDIMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Brazilian Central Bank local interbank deposit certificate rate. Calculated as a daily average of overnight interbank loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CDIMember" xlink:href="suz-20260630.xsd#suz_CDIMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CDIMember" xlink:to="lab_suz_CDIMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BNDESFixedMember_019ff75a-d5ab-76e2-ae7b-1f3bb1e13a30_terseLabel_en-US" xlink:label="lab_suz_BNDESFixedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES &#8211; Fixed</link:label>
    <link:label id="lab_suz_BNDESFixedMember_label_en-US" xlink:label="lab_suz_BNDESFixedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNDES &#8211;Fixed [Member]</link:label>
    <link:label id="lab_suz_BNDESFixedMember_documentation_en-US" xlink:label="lab_suz_BNDESFixedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BNDES &#8211;Fixed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BNDESFixedMember" xlink:href="suz-20260630.xsd#suz_BNDESFixedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BNDESFixedMember" xlink:to="lab_suz_BNDESFixedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CashAndCashEquivalentsTable_019ff75a-d484-7953-b95a-04d4dc610ab0_terseLabel_en-US" xlink:label="lab_suz_CashAndCashEquivalentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents [Table]</link:label>
    <link:label id="lab_suz_CashAndCashEquivalentsTable_label_en-US" xlink:label="lab_suz_CashAndCashEquivalentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents [Table]</link:label>
    <link:label id="lab_suz_CashAndCashEquivalentsTable_documentation_en-US" xlink:label="lab_suz_CashAndCashEquivalentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of cash and cash equivalent balances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CashAndCashEquivalentsTable" xlink:href="suz-20260630.xsd#suz_CashAndCashEquivalentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CashAndCashEquivalentsTable" xlink:to="lab_suz_CashAndCashEquivalentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssetsAbstract_019ff75a-d50c-7041-aef1-5d5f8de9a2ed_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gains (losses) on fair value adjustment, biological assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on fair value adjustment, biological assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssetsAbstract" xlink:to="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain_019ff75a-d50c-79d5-bde1-50138810fbd4_terseLabel_en-US" xlink:label="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Continuing involvement in derecognised financial assets by type of transfer [domain]</link:label>
    <link:label id="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain_label_en-US" xlink:label="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Continuing involvement in derecognised financial assets by type of transfer [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain" xlink:to="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember_019ff75a-d50c-7333-8b52-98125ace2112_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">From 31 to 60 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one month and not later than two months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:to="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoEcuadorS.A.S.Member_019ff75a-d484-7959-b2ff-c4aea9a02b02_terseLabel_en-US" xlink:label="lab_suz_SuzanoEcuadorS.A.S.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Ecuador S.A.S. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoEcuadorS.A.S.Member_label_en-US" xlink:label="lab_suz_SuzanoEcuadorS.A.S.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Ecuador S.A.S. [Member]</link:label>
    <link:label id="lab_suz_SuzanoEcuadorS.A.S.Member_documentation_en-US" xlink:label="lab_suz_SuzanoEcuadorS.A.S.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Suzano Ecuador S.A.S.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoEcuadorS.A.S.Member" xlink:href="suz-20260630.xsd#suz_SuzanoEcuadorS.A.S.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoEcuadorS.A.S.Member" xlink:to="lab_suz_SuzanoEcuadorS.A.S.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_A2026Member_019ff75a-d484-7b43-aaa7-c04fbe2f4463_terseLabel_en-US" xlink:label="lab_suz_A2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2026</link:label>
    <link:label id="lab_suz_A2026Member_label_en-US" xlink:label="lab_suz_A2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2026 [Member]</link:label>
    <link:label id="lab_suz_A2026Member_documentation_en-US" xlink:label="lab_suz_A2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_A2026Member" xlink:href="suz-20260630.xsd#suz_A2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_A2026Member" xlink:to="lab_suz_A2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_019ff75a-d484-7c98-884c-fab236c9a49d_periodStartLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_019ff75a-d484-79f4-be3b-2edde4a78dd6_periodEndLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing balance</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilityAsset" xlink:to="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAdjustmentsForNoncashItems_019ff75a-d484-7f03-ba26-d65cd5e44e6a_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherAdjustmentsForNoncashItems_label_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other adjustments for non-cash items</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAdjustmentsForNoncashItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:to="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SOFRTerm1.45Member_019ff75a-d50c-7746-92a4-3942a5a5d9c8_terseLabel_en-US" xlink:label="lab_suz_SOFRTerm1.45Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SOFR Term +1.45%</link:label>
    <link:label id="lab_suz_SOFRTerm1.45Member_label_en-US" xlink:label="lab_suz_SOFRTerm1.45Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SOFR Term +1.45% [Member]</link:label>
    <link:label id="lab_suz_SOFRTerm1.45Member_documentation_en-US" xlink:label="lab_suz_SOFRTerm1.45Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SOFR Term +1.45%</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SOFRTerm1.45Member" xlink:href="suz-20260630.xsd#suz_SOFRTerm1.45Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SOFRTerm1.45Member" xlink:to="lab_suz_SOFRTerm1.45Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProvisionOfDeferredTaxesOnResultsOfSubsidiariesAbroadMember_019ff75a-d5ab-7d3c-82db-25a24ca14fdb_terseLabel_en-US" xlink:label="lab_suz_ProvisionOfDeferredTaxesOnResultsOfSubsidiariesAbroadMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision of deferred taxes on results of subsidiaries abroad</link:label>
    <link:label id="lab_suz_ProvisionOfDeferredTaxesOnResultsOfSubsidiariesAbroadMember_label_en-US" xlink:label="lab_suz_ProvisionOfDeferredTaxesOnResultsOfSubsidiariesAbroadMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision of deferred taxes on results of subsidiaries abroad [Member]</link:label>
    <link:label id="lab_suz_ProvisionOfDeferredTaxesOnResultsOfSubsidiariesAbroadMember_documentation_en-US" xlink:label="lab_suz_ProvisionOfDeferredTaxesOnResultsOfSubsidiariesAbroadMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision of deferred taxes on results of subsidiaries abroad</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProvisionOfDeferredTaxesOnResultsOfSubsidiariesAbroadMember" xlink:href="suz-20260630.xsd#suz_ProvisionOfDeferredTaxesOnResultsOfSubsidiariesAbroadMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProvisionOfDeferredTaxesOnResultsOfSubsidiariesAbroadMember" xlink:to="lab_suz_ProvisionOfDeferredTaxesOnResultsOfSubsidiariesAbroadMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilities_019ff75a-d484-7635-b090-b16525725977_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilities" xlink:to="lab_ifrs-full_CurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IntangibleAssetsAndGoodwillWithIndefiniteUsefulLife_019ff75a-d484-7671-ad77-fb491190cb58_terseLabel_en-US" xlink:label="lab_suz_IntangibleAssetsAndGoodwillWithIndefiniteUsefulLife" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible Assets and Goodwill with Indefinite Useful Life</link:label>
    <link:label id="lab_suz_IntangibleAssetsAndGoodwillWithIndefiniteUsefulLife_label_en-US" xlink:label="lab_suz_IntangibleAssetsAndGoodwillWithIndefiniteUsefulLife" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Assets and Goodwill with Indefinite Useful Life</link:label>
    <link:label id="lab_suz_IntangibleAssetsAndGoodwillWithIndefiniteUsefulLife_documentation_en-US" xlink:label="lab_suz_IntangibleAssetsAndGoodwillWithIndefiniteUsefulLife" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of intangible assets and goodwill assessed as having an indefinite useful life.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IntangibleAssetsAndGoodwillWithIndefiniteUsefulLife" xlink:href="suz-20260630.xsd#suz_IntangibleAssetsAndGoodwillWithIndefiniteUsefulLife"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IntangibleAssetsAndGoodwillWithIndefiniteUsefulLife" xlink:to="lab_suz_IntangibleAssetsAndGoodwillWithIndefiniteUsefulLife" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PhantomShareUnitsPsusMember_019ff75a-d50c-7793-b5ac-16c0c0a41a8c_terseLabel_en-US" xlink:label="lab_suz_PhantomShareUnitsPsusMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Phantom Share Units Psus</link:label>
    <link:label id="lab_suz_PhantomShareUnitsPsusMember_label_en-US" xlink:label="lab_suz_PhantomShareUnitsPsusMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Phantom Share Units Psus [Member]</link:label>
    <link:label id="lab_suz_PhantomShareUnitsPsusMember_documentation_en-US" xlink:label="lab_suz_PhantomShareUnitsPsusMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Phantom Share Units Psus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PhantomShareUnitsPsusMember" xlink:href="suz-20260630.xsd#suz_PhantomShareUnitsPsusMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PhantomShareUnitsPsusMember" xlink:to="lab_suz_PhantomShareUnitsPsusMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentInterestPayable_019ff75a-d5ab-7839-bac2-255d1f766c5b_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentInterestPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest on financing</link:label>
    <link:label id="lab_ifrs-full_NoncurrentInterestPayable_label_en-US" xlink:label="lab_ifrs-full_NoncurrentInterestPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current interest payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentInterestPayable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentInterestPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentInterestPayable" xlink:to="lab_ifrs-full_NoncurrentInterestPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsWriteOff_019ff75a-d50c-73de-9fcf-6b3cbc36893d_terseLabel_en-US" xlink:label="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsWriteOff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision For Impairment Of Value Added Tax On Sales And Services Credits, Write-Off</link:label>
    <link:label id="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsWriteOff_label_en-US" xlink:label="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsWriteOff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Impairment Of Value Added Tax On Sales And Services Credits, Write-Off</link:label>
    <link:label id="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsWriteOff_documentation_en-US" xlink:label="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsWriteOff" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of provision for impairment of value added tax on sales and services credits written off during the year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsWriteOff" xlink:href="suz-20260630.xsd#suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsWriteOff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsWriteOff" xlink:to="lab_suz_ProvisionForImpairmentOfValueAddedTaxOnSalesAndServicesCreditsWriteOff" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_019ff75a-d50c-7757-8ce4-6255b79e1cfd_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssets" xlink:to="lab_ifrs-full_DeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Inventories_019ff75a-d50c-7058-8386-8d03311eecdc_terseLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_Inventories_label_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Inventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Inventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Inventories" xlink:to="lab_ifrs-full_Inventories" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis_019ff75a-d484-7e94-b94d-97d3db785302_terseLabel_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Individual assets or cash-generating units [axis]</link:label>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis_label_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Individual assets or cash-generating units [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:to="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncontrollingInterestsMember_019ff75a-d484-73d5-a94b-3e8499992c1f_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterestsMember_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-controlling interests [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterestsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterestsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterestsMember" xlink:to="lab_ifrs-full_NoncontrollingInterestsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_019ff75a-d50c-71cd-b11c-58a779c952eb_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income, attributable to non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LocalInterbankDepositCertificateRateSpecialSettlementAndCustodySystemMember_019ff75a-d50c-7bc4-a08d-d5abe9abe65f_terseLabel_en-US" xlink:label="lab_suz_LocalInterbankDepositCertificateRateSpecialSettlementAndCustodySystemMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CDI/SELIC</link:label>
    <link:label id="lab_suz_LocalInterbankDepositCertificateRateSpecialSettlementAndCustodySystemMember_label_en-US" xlink:label="lab_suz_LocalInterbankDepositCertificateRateSpecialSettlementAndCustodySystemMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CDI/SELIC</link:label>
    <link:label id="lab_suz_LocalInterbankDepositCertificateRateSpecialSettlementAndCustodySystemMember_documentation_en-US" xlink:label="lab_suz_LocalInterbankDepositCertificateRateSpecialSettlementAndCustodySystemMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Brazilian Central Bank local interbank deposit certificate rate for investments and Special Settlement and Custody System.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LocalInterbankDepositCertificateRateSpecialSettlementAndCustodySystemMember" xlink:href="suz-20260630.xsd#suz_LocalInterbankDepositCertificateRateSpecialSettlementAndCustodySystemMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LocalInterbankDepositCertificateRateSpecialSettlementAndCustodySystemMember" xlink:to="lab_suz_LocalInterbankDepositCertificateRateSpecialSettlementAndCustodySystemMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TradePayableAndOthersExplanatoryTextBlock_019ff75a-d50c-707f-8d7f-42ed64638115_terseLabel_en-US" xlink:label="lab_suz_TradePayableAndOthersExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade payable and others explanatory</link:label>
    <link:label id="lab_suz_TradePayableAndOthersExplanatoryTextBlock_label_en-US" xlink:label="lab_suz_TradePayableAndOthersExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade payable and others explanatory [Text Block]</link:label>
    <link:label id="lab_suz_TradePayableAndOthersExplanatoryTextBlock_documentation_en-US" xlink:label="lab_suz_TradePayableAndOthersExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents trade payable and others explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TradePayableAndOthersExplanatoryTextBlock" xlink:href="suz-20260630.xsd#suz_TradePayableAndOthersExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TradePayableAndOthersExplanatoryTextBlock" xlink:to="lab_suz_TradePayableAndOthersExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationRatePropertyPlantAndEquipment_019ff75a-d5ab-78d3-92f6-0c1473d53a83_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationRatePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average rate %</link:label>
    <link:label id="lab_ifrs-full_DepreciationRatePropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DepreciationRatePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation rate, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationRatePropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationRatePropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationRatePropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DepreciationRatePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ENGLANDDomain_019ff75a-d50c-7239-8c2a-302b7777ab75_terseLabel_en-US" xlink:label="lab_suz_ENGLANDDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">England</link:label>
    <link:label id="lab_suz_ENGLANDDomain_label_en-US" xlink:label="lab_suz_ENGLANDDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ENGLAND [Domain]</link:label>
    <link:label id="lab_suz_ENGLANDDomain_documentation_en-US" xlink:label="lab_suz_ENGLANDDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ENGLAND</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ENGLANDDomain" xlink:href="suz-20260630.xsd#suz_ENGLANDDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ENGLANDDomain" xlink:to="lab_suz_ENGLANDDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_019ff75a-d5ab-707e-90c5-0dce996cc9b6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ApplicableTaxRateIncomeTaxAdditionalTaxOnTaxableIncomeAboveThresholdAmount_019ff75a-d5ab-7ec2-8b27-af6482b06d00_terseLabel_en-US" xlink:label="lab_suz_ApplicableTaxRateIncomeTaxAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Applicable Tax Rate, Income Tax, Additional Tax on Taxable Income Above Threshold Amount</link:label>
    <link:label id="lab_suz_ApplicableTaxRateIncomeTaxAdditionalTaxOnTaxableIncomeAboveThresholdAmount_label_en-US" xlink:label="lab_suz_ApplicableTaxRateIncomeTaxAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Applicable Tax Rate, Income Tax, Additional Tax on Taxable Income Above Threshold Amount</link:label>
    <link:label id="lab_suz_ApplicableTaxRateIncomeTaxAdditionalTaxOnTaxableIncomeAboveThresholdAmount_documentation_en-US" xlink:label="lab_suz_ApplicableTaxRateIncomeTaxAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The applicable base rate for income tax on taxable income in excess of the threshold amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ApplicableTaxRateIncomeTaxAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:href="suz-20260630.xsd#suz_ApplicableTaxRateIncomeTaxAdditionalTaxOnTaxableIncomeAboveThresholdAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ApplicableTaxRateIncomeTaxAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:to="lab_suz_ApplicableTaxRateIncomeTaxAdditionalTaxOnTaxableIncomeAboveThresholdAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughOtherTemporaryDifferences_019ff75a-d5ab-7100-80aa-21fd2957584b_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughOtherTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other temporary differences</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughOtherTemporaryDifferences_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughOtherTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Other Temporary Differences</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughOtherTemporaryDifferences_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughOtherTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from other temporary differences.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughOtherTemporaryDifferences" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughOtherTemporaryDifferences"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughOtherTemporaryDifferences" xlink:to="lab_suz_IncreaseDecreaseThroughOtherTemporaryDifferences" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PercentageOfEntitysRevenue_019ff75a-d5ab-74bc-a6aa-83f3617cf2d4_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfEntitysRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of entity's revenue</link:label>
    <link:label id="lab_ifrs-full_PercentageOfEntitysRevenue_label_en-US" xlink:label="lab_ifrs-full_PercentageOfEntitysRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of entity's revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfEntitysRevenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfEntitysRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfEntitysRevenue" xlink:to="lab_ifrs-full_PercentageOfEntitysRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_019ff75a-d484-76b8-82f2-675bac999215_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfJointVenturesTable_019ff75a-d484-7841-9ca0-1ddc47a4846b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfJointVenturesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of joint ventures [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfJointVenturesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfJointVenturesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of joint ventures [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfJointVenturesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfJointVenturesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfJointVenturesTable" xlink:to="lab_ifrs-full_DisclosureOfJointVenturesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_019ff75a-d484-751f-9065-2c18dc0b2183_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for share-based payment transactions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TemporaryDifferencesFairValueAdjustmentsOfBiologicalAssetsMember_019ff75a-d50c-76ee-a9d0-88dc134acbcb_terseLabel_en-US" xlink:label="lab_suz_TemporaryDifferencesFairValueAdjustmentsOfBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of biological assets</link:label>
    <link:label id="lab_suz_TemporaryDifferencesFairValueAdjustmentsOfBiologicalAssetsMember_label_en-US" xlink:label="lab_suz_TemporaryDifferencesFairValueAdjustmentsOfBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair value of biological assets</link:label>
    <link:label id="lab_suz_TemporaryDifferencesFairValueAdjustmentsOfBiologicalAssetsMember_documentation_en-US" xlink:label="lab_suz_TemporaryDifferencesFairValueAdjustmentsOfBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for temporary differences which arise from fair value adjustments of biological assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TemporaryDifferencesFairValueAdjustmentsOfBiologicalAssetsMember" xlink:href="suz-20260630.xsd#suz_TemporaryDifferencesFairValueAdjustmentsOfBiologicalAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TemporaryDifferencesFairValueAdjustmentsOfBiologicalAssetsMember" xlink:to="lab_suz_TemporaryDifferencesFairValueAdjustmentsOfBiologicalAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarnings_019ff75a-d5ab-7f8a-a152-e0cf2497bd72_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_ifrs-full_RetainedEarnings_label_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarnings" xlink:to="lab_ifrs-full_RetainedEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesLineItems_019ff75a-d50c-79cb-91f4-4fb9e60cb349_terseLabel_en-US" xlink:label="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Present Value Of Lease Liabilities [Line Items]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesLineItems_label_en-US" xlink:label="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Present Value Of Lease Liabilities [Line Items]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesLineItems_documentation_en-US" xlink:label="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Present Value Of Lease Liabilities [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesLineItems" xlink:href="suz-20260630.xsd#suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesLineItems" xlink:to="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MeasurementDomain_019ff75a-d5ab-7c95-9cc2-8d93c810b72a_terseLabel_en-US" xlink:label="lab_ifrs-full_MeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement [domain]</link:label>
    <link:label id="lab_ifrs-full_MeasurementDomain_label_en-US" xlink:label="lab_ifrs-full_MeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MeasurementDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementDomain" xlink:to="lab_ifrs-full_MeasurementDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory_019ff75a-d5ab-778d-9d4b-c4a9c0a0c706_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about business combination</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about business combination [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExportPrepaymentEPPMember_019ff75a-d5ab-79c7-8a99-466ef942e71d_terseLabel_en-US" xlink:label="lab_suz_ExportPrepaymentEPPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Export prepayment ("EPP") [Member]</link:label>
    <link:label id="lab_suz_ExportPrepaymentEPPMember_label_en-US" xlink:label="lab_suz_ExportPrepaymentEPPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Export prepayment ("EPP") [Member]</link:label>
    <link:label id="lab_suz_ExportPrepaymentEPPMember_documentation_en-US" xlink:label="lab_suz_ExportPrepaymentEPPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Export prepayment ("EPP")</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExportPrepaymentEPPMember" xlink:href="suz-20260630.xsd#suz_ExportPrepaymentEPPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExportPrepaymentEPPMember" xlink:to="lab_suz_ExportPrepaymentEPPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Term1MonthMember_019ff75a-d5ab-76b0-a1f5-0707052e27d7_terseLabel_en-US" xlink:label="lab_suz_Term1MonthMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term, 1 month</link:label>
    <link:label id="lab_suz_Term1MonthMember_label_en-US" xlink:label="lab_suz_Term1MonthMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term, 1 month [Member]</link:label>
    <link:label id="lab_suz_Term1MonthMember_documentation_en-US" xlink:label="lab_suz_Term1MonthMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivative instrument maturities of one month.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Term1MonthMember" xlink:href="suz-20260630.xsd#suz_Term1MonthMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Term1MonthMember" xlink:to="lab_suz_Term1MonthMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BiomasServicosAmbientaisRestauracaoECarbonoS.A.Member_019ff75a-d5ab-7141-9b47-dd79be352336_terseLabel_en-US" xlink:label="lab_suz_BiomasServicosAmbientaisRestauracaoECarbonoS.A.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Biomas Servi&#231;os Ambientais, Restaura&#231;&#227;o e Carbono S.A. (Direct)</link:label>
    <link:label id="lab_suz_BiomasServicosAmbientaisRestauracaoECarbonoS.A.Member_label_en-US" xlink:label="lab_suz_BiomasServicosAmbientaisRestauracaoECarbonoS.A.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Biomas Servi&#231;os Ambientais, Restaura&#231;&#227;o e Carbono S.A. [Member]</link:label>
    <link:label id="lab_suz_BiomasServicosAmbientaisRestauracaoECarbonoS.A.Member_documentation_en-US" xlink:label="lab_suz_BiomasServicosAmbientaisRestauracaoECarbonoS.A.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Biomas Servi&#231;os Ambientais, Restaura&#231;&#227;o e Carbono S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BiomasServicosAmbientaisRestauracaoECarbonoS.A.Member" xlink:href="suz-20260630.xsd#suz_BiomasServicosAmbientaisRestauracaoECarbonoS.A.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BiomasServicosAmbientaisRestauracaoECarbonoS.A.Member" xlink:to="lab_suz_BiomasServicosAmbientaisRestauracaoECarbonoS.A.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxAssetsWithholdingTaxPrepaidIncomeTaxAndSocialContribution_019ff75a-d50c-7cf9-988f-1b710398e126_terseLabel_en-US" xlink:label="lab_suz_TaxAssetsWithholdingTaxPrepaidIncomeTaxAndSocialContribution" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IRPJ/CSLL &#8211; prepayments and withheld taxes</link:label>
    <link:label id="lab_suz_TaxAssetsWithholdingTaxPrepaidIncomeTaxAndSocialContribution_label_en-US" xlink:label="lab_suz_TaxAssetsWithholdingTaxPrepaidIncomeTaxAndSocialContribution" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Assets, Withholding Tax, Prepaid Income Tax, And Social Contribution</link:label>
    <link:label id="lab_suz_TaxAssetsWithholdingTaxPrepaidIncomeTaxAndSocialContribution_documentation_en-US" xlink:label="lab_suz_TaxAssetsWithholdingTaxPrepaidIncomeTaxAndSocialContribution" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of withholding tax, prepaid Income Tax (IRPJ) and Social Contribution (CSLL).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxAssetsWithholdingTaxPrepaidIncomeTaxAndSocialContribution" xlink:href="suz-20260630.xsd#suz_TaxAssetsWithholdingTaxPrepaidIncomeTaxAndSocialContribution"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxAssetsWithholdingTaxPrepaidIncomeTaxAndSocialContribution" xlink:to="lab_suz_TaxAssetsWithholdingTaxPrepaidIncomeTaxAndSocialContribution" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PossibleLossesForWhichNoProvisionWasRecorded_019ff75a-d484-7a23-8c16-ff61bcaa6030_terseLabel_en-US" xlink:label="lab_suz_PossibleLossesForWhichNoProvisionWasRecorded" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Possible losses for which no provision was recorded</link:label>
    <link:label id="lab_suz_PossibleLossesForWhichNoProvisionWasRecorded_label_en-US" xlink:label="lab_suz_PossibleLossesForWhichNoProvisionWasRecorded" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Possible Losses for Which No Provision Was Recorded</link:label>
    <link:label id="lab_suz_PossibleLossesForWhichNoProvisionWasRecorded_documentation_en-US" xlink:label="lab_suz_PossibleLossesForWhichNoProvisionWasRecorded" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of possible losses for which no provision for loss was recorded.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PossibleLossesForWhichNoProvisionWasRecorded" xlink:href="suz-20260630.xsd#suz_PossibleLossesForWhichNoProvisionWasRecorded"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PossibleLossesForWhichNoProvisionWasRecorded" xlink:to="lab_suz_PossibleLossesForWhichNoProvisionWasRecorded" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems_019ff75a-d484-786d-9105-05aa907b58fb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BuildingsMember_019ff75a-d484-7a30-88e9-78dc146913a5_terseLabel_en-US" xlink:label="lab_ifrs-full_BuildingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Buildings</link:label>
    <link:label id="lab_ifrs-full_BuildingsMember_label_en-US" xlink:label="lab_ifrs-full_BuildingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Buildings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BuildingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BuildingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BuildingsMember" xlink:to="lab_ifrs-full_BuildingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflationMember_019ff75a-d5ab-756e-b54d-e3e31373cac7_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial assumption of expected rates of inflation [member]</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflationMember_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial assumption of expected rates of inflation [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflationMember" xlink:to="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_019ff75a-d484-7eb8-82a0-73a1b79e0b22_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares granted</link:label>
    <link:label id="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of other equity instruments granted in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:to="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SeveralBanksASyndicatedOperationMember_019ff75a-d484-7424-9c8b-03202969262c_terseLabel_en-US" xlink:label="lab_suz_SeveralBanksASyndicatedOperationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Several banks (a syndicated operation) [Member]</link:label>
    <link:label id="lab_suz_SeveralBanksASyndicatedOperationMember_label_en-US" xlink:label="lab_suz_SeveralBanksASyndicatedOperationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Several banks (a syndicated operation) [Member]</link:label>
    <link:label id="lab_suz_SeveralBanksASyndicatedOperationMember_documentation_en-US" xlink:label="lab_suz_SeveralBanksASyndicatedOperationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Several banks (a syndicated operation)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SeveralBanksASyndicatedOperationMember" xlink:href="suz-20260630.xsd#suz_SeveralBanksASyndicatedOperationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SeveralBanksASyndicatedOperationMember" xlink:to="lab_suz_SeveralBanksASyndicatedOperationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PandaBondsCNHMember_019ff75a-d5ab-717a-9c97-10c583349651_terseLabel_en-US" xlink:label="lab_suz_PandaBondsCNHMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Panda Bonds - CNY</link:label>
    <link:label id="lab_suz_PandaBondsCNHMember_label_en-US" xlink:label="lab_suz_PandaBondsCNHMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Panda Bonds - CNH [Member]</link:label>
    <link:label id="lab_suz_PandaBondsCNHMember_documentation_en-US" xlink:label="lab_suz_PandaBondsCNHMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Panda Bonds - CNH</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PandaBondsCNHMember" xlink:href="suz-20260630.xsd#suz_PandaBondsCNHMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PandaBondsCNHMember" xlink:to="lab_suz_PandaBondsCNHMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ECAExportCreditAgencyMember_019ff75a-d5ab-7bbe-95e3-506290197bed_terseLabel_en-US" xlink:label="lab_suz_ECAExportCreditAgencyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECA - Export Credit Agency</link:label>
    <link:label id="lab_suz_ECAExportCreditAgencyMember_label_en-US" xlink:label="lab_suz_ECAExportCreditAgencyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECA - Export Credit Agency [Member]</link:label>
    <link:label id="lab_suz_ECAExportCreditAgencyMember_documentation_en-US" xlink:label="lab_suz_ECAExportCreditAgencyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECA - Export Credit Agency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ECAExportCreditAgencyMember" xlink:href="suz-20260630.xsd#suz_ECAExportCreditAgencyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ECAExportCreditAgencyMember" xlink:to="lab_suz_ECAExportCreditAgencyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_StockRepurchasedDuringPeriodShares_019ff75a-d484-754c-9d8b-77470ce99969_terseLabel_en-US" xlink:label="lab_suz_StockRepurchasedDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase</link:label>
    <link:label id="lab_suz_StockRepurchasedDuringPeriodShares_label_en-US" xlink:label="lab_suz_StockRepurchasedDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchased During Period, Shares</link:label>
    <link:label id="lab_suz_StockRepurchasedDuringPeriodShares_documentation_en-US" xlink:label="lab_suz_StockRepurchasedDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of shares that have been repurchased during the period and have not been retired and are not held in treasury.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_StockRepurchasedDuringPeriodShares" xlink:href="suz-20260630.xsd#suz_StockRepurchasedDuringPeriodShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_StockRepurchasedDuringPeriodShares" xlink:to="lab_suz_StockRepurchasedDuringPeriodShares" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OffsettingIRRFPeriod2000Member_019ff75a-d5ab-7434-bf44-159a34b9768c_terseLabel_en-US" xlink:label="lab_suz_OffsettingIRRFPeriod2000Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Offsetting - IRRF - period 2000</link:label>
    <link:label id="lab_suz_OffsettingIRRFPeriod2000Member_label_en-US" xlink:label="lab_suz_OffsettingIRRFPeriod2000Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Offsetting - IRRF - period 2000 [Member]</link:label>
    <link:label id="lab_suz_OffsettingIRRFPeriod2000Member_documentation_en-US" xlink:label="lab_suz_OffsettingIRRFPeriod2000Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Offsetting - IRRF - period 2000</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OffsettingIRRFPeriod2000Member" xlink:href="suz-20260630.xsd#suz_OffsettingIRRFPeriod2000Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OffsettingIRRFPeriod2000Member" xlink:to="lab_suz_OffsettingIRRFPeriod2000Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_019ff75a-d50c-7210-8d7b-89f994ec2fe2_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksDomain" xlink:to="lab_ifrs-full_TypesOfRisksDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MinimumAnnualDividendAsAPercentOfAdjustedNetIncome_019ff75a-d50c-7a1a-a9c3-ff7d131a17a2_terseLabel_en-US" xlink:label="lab_suz_MinimumAnnualDividendAsAPercentOfAdjustedNetIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum Annual Dividend As A Percent Of Adjusted Net Income</link:label>
    <link:label id="lab_suz_MinimumAnnualDividendAsAPercentOfAdjustedNetIncome_label_en-US" xlink:label="lab_suz_MinimumAnnualDividendAsAPercentOfAdjustedNetIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Annual Dividend As A Percent Of Adjusted Net Income</link:label>
    <link:label id="lab_suz_MinimumAnnualDividendAsAPercentOfAdjustedNetIncome_documentation_en-US" xlink:label="lab_suz_MinimumAnnualDividendAsAPercentOfAdjustedNetIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum annual dividend as a percent of net income, adjusted by the changes in reserves, as determined by Brazilian Corporate Law.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MinimumAnnualDividendAsAPercentOfAdjustedNetIncome" xlink:href="suz-20260630.xsd#suz_MinimumAnnualDividendAsAPercentOfAdjustedNetIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MinimumAnnualDividendAsAPercentOfAdjustedNetIncome" xlink:to="lab_suz_MinimumAnnualDividendAsAPercentOfAdjustedNetIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LegalEntityAxis_019ff75a-d50c-7e01-aa56-10207f21f6a7_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:label id="lab_dei_LegalEntityAxis_label_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis" xlink:to="lab_dei_LegalEntityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OperatingSuppliesAndPackagingMember_019ff75a-d484-7a1c-9533-f5430c2736fb_terseLabel_en-US" xlink:label="lab_suz_OperatingSuppliesAndPackagingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating supplies and packaging</link:label>
    <link:label id="lab_suz_OperatingSuppliesAndPackagingMember_label_en-US" xlink:label="lab_suz_OperatingSuppliesAndPackagingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating supplies and packaging</link:label>
    <link:label id="lab_suz_OperatingSuppliesAndPackagingMember_documentation_en-US" xlink:label="lab_suz_OperatingSuppliesAndPackagingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for operating supplies and packaging.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OperatingSuppliesAndPackagingMember" xlink:href="suz-20260630.xsd#suz_OperatingSuppliesAndPackagingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OperatingSuppliesAndPackagingMember" xlink:to="lab_suz_OperatingSuppliesAndPackagingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SellingExpenseServices_019ff75a-d5ab-7320-b9b5-abcaacf68779_negatedTerseLabel_en-US" xlink:label="lab_suz_SellingExpenseServices" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Services</link:label>
    <link:label id="lab_suz_SellingExpenseServices_label_en-US" xlink:label="lab_suz_SellingExpenseServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling Expense, Services</link:label>
    <link:label id="lab_suz_SellingExpenseServices_documentation_en-US" xlink:label="lab_suz_SellingExpenseServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of services relating to selling expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SellingExpenseServices" xlink:href="suz-20260630.xsd#suz_SellingExpenseServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SellingExpenseServices" xlink:to="lab_suz_SellingExpenseServices" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentsForIncreaseDecreaseInProvisionReversalForJudicialLiabilities_019ff75a-d50c-706d-a0c2-0b0a0d614dab_terseLabel_en-US" xlink:label="lab_suz_AdjustmentsForIncreaseDecreaseInProvisionReversalForJudicialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for judicial liabilities, net</link:label>
    <link:label id="lab_suz_AdjustmentsForIncreaseDecreaseInProvisionReversalForJudicialLiabilities_label_en-US" xlink:label="lab_suz_AdjustmentsForIncreaseDecreaseInProvisionReversalForJudicialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Increase (Decrease) In Provision/(Reversal) For Judicial Liabilities</link:label>
    <link:label id="lab_suz_AdjustmentsForIncreaseDecreaseInProvisionReversalForJudicialLiabilities_documentation_en-US" xlink:label="lab_suz_AdjustmentsForIncreaseDecreaseInProvisionReversalForJudicialLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for provision/(reversal) for judicial liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentsForIncreaseDecreaseInProvisionReversalForJudicialLiabilities" xlink:href="suz-20260630.xsd#suz_AdjustmentsForIncreaseDecreaseInProvisionReversalForJudicialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentsForIncreaseDecreaseInProvisionReversalForJudicialLiabilities" xlink:to="lab_suz_AdjustmentsForIncreaseDecreaseInProvisionReversalForJudicialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssets_019ff75a-d5ab-7f58-b295-bd7b48ec867e_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial assets</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialAssets" xlink:to="lab_ifrs-full_DerivativeFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_019ff75a-d484-7c22-b058-99fc9fb013c2_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries [axis]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiaries [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInternalCreditExposuresLineItems_019ff75a-d50c-7e43-8ce4-6b23ba917a9a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInternalCreditExposuresLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of internal credit grades [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInternalCreditExposuresLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInternalCreditExposuresLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of internal credit grades [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInternalCreditExposuresLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInternalCreditExposuresLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInternalCreditExposuresLineItems" xlink:to="lab_ifrs-full_DisclosureOfInternalCreditExposuresLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InterestRateRelatedToClimateChangeTargetGoals_019ff75a-d5ab-72be-abf4-ee6fc521a6af_terseLabel_en-US" xlink:label="lab_suz_InterestRateRelatedToClimateChangeTargetGoals" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate, related to climate change, target goals</link:label>
    <link:label id="lab_suz_InterestRateRelatedToClimateChangeTargetGoals_label_en-US" xlink:label="lab_suz_InterestRateRelatedToClimateChangeTargetGoals" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate, Related to Climate Change, Target Goals</link:label>
    <link:label id="lab_suz_InterestRateRelatedToClimateChangeTargetGoals_documentation_en-US" xlink:label="lab_suz_InterestRateRelatedToClimateChangeTargetGoals" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Rate, Related to Climate Change, Target Goals</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InterestRateRelatedToClimateChangeTargetGoals" xlink:href="suz-20260630.xsd#suz_InterestRateRelatedToClimateChangeTargetGoals"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InterestRateRelatedToClimateChangeTargetGoals" xlink:to="lab_suz_InterestRateRelatedToClimateChangeTargetGoals" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities_019ff75a-d484-71dc-8e97-cfa92434773d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payment of interest on financing, loans and debentures</link:label>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest paid, classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ManagementMember_019ff75a-d484-7e07-a9fb-0b7c7e6af4e1_terseLabel_en-US" xlink:label="lab_srt_ManagementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Management</link:label>
    <link:label id="lab_srt_ManagementMember_label_en-US" xlink:label="lab_srt_ManagementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Management [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ManagementMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ManagementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ManagementMember" xlink:to="lab_srt_ManagementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapCNYToFixedMember_019ff75a-d50c-7970-89b5-c7fd09b8bee2_terseLabel_en-US" xlink:label="lab_suz_SwapCNYToFixedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap CNY to Fixed</link:label>
    <link:label id="lab_suz_SwapCNYToFixedMember_label_en-US" xlink:label="lab_suz_SwapCNYToFixedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap CNY to Fixed [Member]</link:label>
    <link:label id="lab_suz_SwapCNYToFixedMember_documentation_en-US" xlink:label="lab_suz_SwapCNYToFixedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap CNY to Fixed - CNY</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapCNYToFixedMember" xlink:href="suz-20260630.xsd#suz_SwapCNYToFixedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapCNYToFixedMember" xlink:to="lab_suz_SwapCNYToFixedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember_019ff75a-d50c-7aff-9215-aff7a42be58a_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial assumption of discount rates [member]</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial assumption of discount rates [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfDiscountRatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:to="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_SegmentGeographicalDomain_019ff75a-d5ab-72da-a7da-43fa0e7e2bcc_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:label id="lab_srt_SegmentGeographicalDomain_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_SegmentGeographicalDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SegmentGeographicalDomain" xlink:to="lab_srt_SegmentGeographicalDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Age25To54YearsMember_019ff75a-d484-7b2e-8a32-9d1734df1164_terseLabel_en-US" xlink:label="lab_suz_Age25To54YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial Assumption, Aging Factor, Ages: 25 to 54 years</link:label>
    <link:label id="lab_suz_Age25To54YearsMember_label_en-US" xlink:label="lab_suz_Age25To54YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial Assumption, Aging Factor, Ages: 25 to 54 years</link:label>
    <link:label id="lab_suz_Age25To54YearsMember_documentation_en-US" xlink:label="lab_suz_Age25To54YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for 25 to 54 years age.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Age25To54YearsMember" xlink:href="suz-20260630.xsd#suz_Age25To54YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Age25To54YearsMember" xlink:to="lab_suz_Age25To54YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NatureOfAssetAxisDomain_019ff75a-d484-700b-8784-a528318fad57_terseLabel_en-US" xlink:label="lab_suz_NatureOfAssetAxisDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nature of Asset Axis [Domain]</link:label>
    <link:label id="lab_suz_NatureOfAssetAxisDomain_label_en-US" xlink:label="lab_suz_NatureOfAssetAxisDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nature of Asset Axis [Domain]</link:label>
    <link:label id="lab_suz_NatureOfAssetAxisDomain_documentation_en-US" xlink:label="lab_suz_NatureOfAssetAxisDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nature of Asset Axis [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NatureOfAssetAxisDomain" xlink:href="suz-20260630.xsd#suz_NatureOfAssetAxisDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NatureOfAssetAxisDomain" xlink:to="lab_suz_NatureOfAssetAxisDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory_019ff75a-d484-7bfd-81ce-5368f430e0aa_verboseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Segment information</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for segment reporting [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CelluforceInc.Member_019ff75a-d484-7773-b96b-d45f48f9513b_terseLabel_en-US" xlink:label="lab_suz_CelluforceInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Celluforce Inc. (Direct)</link:label>
    <link:label id="lab_suz_CelluforceInc.Member_label_en-US" xlink:label="lab_suz_CelluforceInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Celluforce Inc. [Member]</link:label>
    <link:label id="lab_suz_CelluforceInc.Member_documentation_en-US" xlink:label="lab_suz_CelluforceInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Celluforce Inc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CelluforceInc.Member" xlink:href="suz-20260630.xsd#suz_CelluforceInc.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CelluforceInc.Member" xlink:to="lab_suz_CelluforceInc.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapPreFixedToUsDollarMember_019ff75a-d484-7a7f-bcaf-fc07c15a99d8_terseLabel_en-US" xlink:label="lab_suz_SwapPreFixedToUsDollarMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap Pre-Fixed to US$</link:label>
    <link:label id="lab_suz_SwapPreFixedToUsDollarMember_label_en-US" xlink:label="lab_suz_SwapPreFixedToUsDollarMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap Pre-Fixed to US$</link:label>
    <link:label id="lab_suz_SwapPreFixedToUsDollarMember_documentation_en-US" xlink:label="lab_suz_SwapPreFixedToUsDollarMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for positions in conventional swaps exchanging from pre-fixed rate in Brazilian Reais to pre-fixed rate in U.S.$. The purpose is to change the exposure of debt from Brazilian Reais to U.S.$.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapPreFixedToUsDollarMember" xlink:href="suz-20260630.xsd#suz_SwapPreFixedToUsDollarMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapPreFixedToUsDollarMember" xlink:to="lab_suz_SwapPreFixedToUsDollarMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable_019ff75a-d5ab-7b5f-b140-b1ba40c6e399_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets that are either past due or impaired [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RetirementAge_019ff75a-d5ab-72b5-b7fa-d8115c6bedc6_terseLabel_en-US" xlink:label="lab_suz_RetirementAge" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement Age</link:label>
    <link:label id="lab_suz_RetirementAge_label_en-US" xlink:label="lab_suz_RetirementAge" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Age</link:label>
    <link:label id="lab_suz_RetirementAge_documentation_en-US" xlink:label="lab_suz_RetirementAge" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The retirement age that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RetirementAge" xlink:href="suz-20260630.xsd#suz_RetirementAge"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RetirementAge" xlink:to="lab_suz_RetirementAge" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_019ff75a-d50c-7075-a6f2-fc9bffb5a92e_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical areas [axis]</link:label>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical areas [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasAxis" xlink:to="lab_ifrs-full_GeographicalAreasAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PaymentsDueAmount_019ff75a-d484-7979-bd9e-2ffbacca05a8_terseLabel_en-US" xlink:label="lab_suz_PaymentsDueAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments Due Amount</link:label>
    <link:label id="lab_suz_PaymentsDueAmount_label_en-US" xlink:label="lab_suz_PaymentsDueAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments Due Amount</link:label>
    <link:label id="lab_suz_PaymentsDueAmount_documentation_en-US" xlink:label="lab_suz_PaymentsDueAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments Due Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaymentsDueAmount" xlink:href="suz-20260630.xsd#suz_PaymentsDueAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaymentsDueAmount" xlink:to="lab_suz_PaymentsDueAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssetss_019ff75a-d484-792d-a4d2-714bea7c5edc_terseLabel_en-US" xlink:label="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssetss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Utilisation Allowance Account For Credit Losses Financial Assetss</link:label>
    <link:label id="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssetss_label_en-US" xlink:label="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssetss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Utilisation Allowance Account For Credit Losses Financial Assetss</link:label>
    <link:label id="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssetss_documentation_en-US" xlink:label="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssetss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Utilisation, allowance account for credit losses of financial assets. This element should be used to tag non-restated comparative information only.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssetss" xlink:href="suz-20260630.xsd#suz_UtilisationAllowanceAccountForCreditLossesFinancialAssetss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssetss" xlink:to="lab_suz_UtilisationAllowanceAccountForCreditLossesFinancialAssetss" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DescriptionOfAccountingJointOperationPolicyTextBlock_019ff75a-d484-7cf1-834b-eee165238936_terseLabel_en-US" xlink:label="lab_suz_DescriptionOfAccountingJointOperationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Joint operations</link:label>
    <link:label id="lab_suz_DescriptionOfAccountingJointOperationPolicyTextBlock_label_en-US" xlink:label="lab_suz_DescriptionOfAccountingJointOperationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Joint Operation [Policy Text Block]</link:label>
    <link:label id="lab_suz_DescriptionOfAccountingJointOperationPolicyTextBlock_documentation_en-US" xlink:label="lab_suz_DescriptionOfAccountingJointOperationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of policy of joint operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DescriptionOfAccountingJointOperationPolicyTextBlock" xlink:href="suz-20260630.xsd#suz_DescriptionOfAccountingJointOperationPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DescriptionOfAccountingJointOperationPolicyTextBlock" xlink:to="lab_suz_DescriptionOfAccountingJointOperationPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonCompeteMember_019ff75a-d5ab-71a1-b01e-6a2672a49e60_terseLabel_en-US" xlink:label="lab_suz_NonCompeteMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-competition agreements</link:label>
    <link:label id="lab_suz_NonCompeteMember_label_en-US" xlink:label="lab_suz_NonCompeteMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-compete agreement</link:label>
    <link:label id="lab_suz_NonCompeteMember_documentation_en-US" xlink:label="lab_suz_NonCompeteMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a class of intangible assets representing Non Compete agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonCompeteMember" xlink:href="suz-20260630.xsd#suz_NonCompeteMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonCompeteMember" xlink:to="lab_suz_NonCompeteMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TradeAndOtherCurrentPayablesToTradeSuppliersAmountsSubjectToFactoring_019ff75a-d50c-73ac-b813-0c9a1740c7a2_terseLabel_en-US" xlink:label="lab_suz_TradeAndOtherCurrentPayablesToTradeSuppliersAmountsSubjectToFactoring" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and Other Current Payables to Trade Suppliers, Amounts Subject to Factoring</link:label>
    <link:label id="lab_suz_TradeAndOtherCurrentPayablesToTradeSuppliersAmountsSubjectToFactoring_label_en-US" xlink:label="lab_suz_TradeAndOtherCurrentPayablesToTradeSuppliersAmountsSubjectToFactoring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and Other Current Payables to Trade Suppliers, Amounts Subject to Factoring</link:label>
    <link:label id="lab_suz_TradeAndOtherCurrentPayablesToTradeSuppliersAmountsSubjectToFactoring_documentation_en-US" xlink:label="lab_suz_TradeAndOtherCurrentPayablesToTradeSuppliersAmountsSubjectToFactoring" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The current amount of payment due to suppliers for goods and services used in entity's business which are subject to factoring.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TradeAndOtherCurrentPayablesToTradeSuppliersAmountsSubjectToFactoring" xlink:href="suz-20260630.xsd#suz_TradeAndOtherCurrentPayablesToTradeSuppliersAmountsSubjectToFactoring"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TradeAndOtherCurrentPayablesToTradeSuppliersAmountsSubjectToFactoring" xlink:to="lab_suz_TradeAndOtherCurrentPayablesToTradeSuppliersAmountsSubjectToFactoring" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SupplierAgreementsWithAverageRatePercentOf12.9PercentMember_019ff75a-d5ab-7382-a65f-437fd69742b6_terseLabel_en-US" xlink:label="lab_suz_SupplierAgreementsWithAverageRatePercentOf12.9PercentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplier agreements</link:label>
    <link:label id="lab_suz_SupplierAgreementsWithAverageRatePercentOf12.9PercentMember_label_en-US" xlink:label="lab_suz_SupplierAgreementsWithAverageRatePercentOf12.9PercentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplier agreements, 12.90%</link:label>
    <link:label id="lab_suz_SupplierAgreementsWithAverageRatePercentOf12.9PercentMember_documentation_en-US" xlink:label="lab_suz_SupplierAgreementsWithAverageRatePercentOf12.9PercentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for supplier agreements with an average rate of 12.9%.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SupplierAgreementsWithAverageRatePercentOf12.9PercentMember" xlink:href="suz-20260630.xsd#suz_SupplierAgreementsWithAverageRatePercentOf12.9PercentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SupplierAgreementsWithAverageRatePercentOf12.9PercentMember" xlink:to="lab_suz_SupplierAgreementsWithAverageRatePercentOf12.9PercentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_019ff75a-d5ab-77d6-bde4-25e077eaa24e_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_019ff75a-d5ab-7927-8d3f-8ca1183a96bc_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:to="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ClosingForeignExchangeRatePercentageOfIncreaseDecrease_019ff75a-d5ab-702d-82a1-fa7f5c80f302_terseLabel_en-US" xlink:label="lab_suz_ClosingForeignExchangeRatePercentageOfIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Closing foreign exchange rate, percentage of increase (decrease)</link:label>
    <link:label id="lab_suz_ClosingForeignExchangeRatePercentageOfIncreaseDecrease_label_en-US" xlink:label="lab_suz_ClosingForeignExchangeRatePercentageOfIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Closing Foreign Exchange Rate, Percentage of increase (decrease)</link:label>
    <link:label id="lab_suz_ClosingForeignExchangeRatePercentageOfIncreaseDecrease_documentation_en-US" xlink:label="lab_suz_ClosingForeignExchangeRatePercentageOfIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in the spot exchange rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ClosingForeignExchangeRatePercentageOfIncreaseDecrease" xlink:href="suz-20260630.xsd#suz_ClosingForeignExchangeRatePercentageOfIncreaseDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ClosingForeignExchangeRatePercentageOfIncreaseDecrease" xlink:to="lab_suz_ClosingForeignExchangeRatePercentageOfIncreaseDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LeaseLiabilitiesAccrualOfFinancialCharges_019ff75a-d50c-7721-8413-9f8c033da338_terseLabel_en-US" xlink:label="lab_suz_LeaseLiabilitiesAccrualOfFinancialCharges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrual of financial charges (1)</link:label>
    <link:label id="lab_suz_LeaseLiabilitiesAccrualOfFinancialCharges_label_en-US" xlink:label="lab_suz_LeaseLiabilitiesAccrualOfFinancialCharges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities, Accrual of financial charges</link:label>
    <link:label id="lab_suz_LeaseLiabilitiesAccrualOfFinancialCharges_documentation_en-US" xlink:label="lab_suz_LeaseLiabilitiesAccrualOfFinancialCharges" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of capitalized interest expense.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LeaseLiabilitiesAccrualOfFinancialCharges" xlink:href="suz-20260630.xsd#suz_LeaseLiabilitiesAccrualOfFinancialCharges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LeaseLiabilitiesAccrualOfFinancialCharges" xlink:to="lab_suz_LeaseLiabilitiesAccrualOfFinancialCharges" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfCountries_019ff75a-d50c-758d-90e0-86809b2010af_terseLabel_en-US" xlink:label="lab_suz_NumberOfCountries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of countries</link:label>
    <link:label id="lab_suz_NumberOfCountries_label_en-US" xlink:label="lab_suz_NumberOfCountries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of countries</link:label>
    <link:label id="lab_suz_NumberOfCountries_documentation_en-US" xlink:label="lab_suz_NumberOfCountries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of countries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfCountries" xlink:href="suz-20260630.xsd#suz_NumberOfCountries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfCountries" xlink:to="lab_suz_NumberOfCountries" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_019ff75a-d484-72b3-ba9f-652d881db42f_periodStartLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening Balance</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_019ff75a-d484-7f67-bcc1-1129daf778db_periodEndLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing Balance</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughLeaseDeferredTaxLiabilityAsset_019ff75a-d5ab-78e4-b933-423a04e4350e_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughLeaseDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughLeaseDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughLeaseDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Lease, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughLeaseDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughLeaseDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from lease.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughLeaseDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughLeaseDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughLeaseDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughLeaseDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities_019ff75a-d3c2-770d-a5c2-e8d64109f94e_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities_019ff75a-d3c2-77f9-b02d-adbc35d819ae_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Non-current derivative financial liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentDerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_UMBNDESMember_019ff75a-d5ab-7405-abc4-48ce0bc312ad_terseLabel_en-US" xlink:label="lab_suz_UMBNDESMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">UMBNDES</link:label>
    <link:label id="lab_suz_UMBNDESMember_label_en-US" xlink:label="lab_suz_UMBNDESMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UMBNDES [Member]</link:label>
    <link:label id="lab_suz_UMBNDESMember_documentation_en-US" xlink:label="lab_suz_UMBNDESMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">UMBNDES</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_UMBNDESMember" xlink:href="suz-20260630.xsd#suz_UMBNDESMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_UMBNDESMember" xlink:to="lab_suz_UMBNDESMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_March2026Member_019ff75a-d3c2-726e-ad9d-43d65d60427d_terseLabel_en-US" xlink:label="lab_suz_March2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">March 2026</link:label>
    <link:label id="lab_suz_March2026Member_label_en-US" xlink:label="lab_suz_March2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">March 2026 [Member]</link:label>
    <link:label id="lab_suz_March2026Member_documentation_en-US" xlink:label="lab_suz_March2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">March 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_March2026Member" xlink:href="suz-20260630.xsd#suz_March2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_March2026Member" xlink:to="lab_suz_March2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MucuriEnergeticaS.aMember_019ff75a-d5ab-7f53-873e-d57a8326e58f_terseLabel_en-US" xlink:label="lab_suz_MucuriEnergeticaS.aMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mucuri Energ&#233;tica S.A. (Direct)</link:label>
    <link:label id="lab_suz_MucuriEnergeticaS.aMember_label_en-US" xlink:label="lab_suz_MucuriEnergeticaS.aMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mucuri Energetica S.A</link:label>
    <link:label id="lab_suz_MucuriEnergeticaS.aMember_documentation_en-US" xlink:label="lab_suz_MucuriEnergeticaS.aMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Mucuri Energetica S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MucuriEnergeticaS.aMember" xlink:href="suz-20260630.xsd#suz_MucuriEnergeticaS.aMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MucuriEnergeticaS.aMember" xlink:to="lab_suz_MucuriEnergeticaS.aMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LabelRoleDiscountRatePostTax_019ff75a-d50c-7065-96c7-a978922f1394_terseLabel_en-US" xlink:label="lab_suz_LabelRoleDiscountRatePostTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Label Role Discount rate post-tax</link:label>
    <link:label id="lab_suz_LabelRoleDiscountRatePostTax_label_en-US" xlink:label="lab_suz_LabelRoleDiscountRatePostTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Label Role Discount rate post-tax</link:label>
    <link:label id="lab_suz_LabelRoleDiscountRatePostTax_documentation_en-US" xlink:label="lab_suz_LabelRoleDiscountRatePostTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Label Role Discount rate post-tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LabelRoleDiscountRatePostTax" xlink:href="suz-20260630.xsd#suz_LabelRoleDiscountRatePostTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LabelRoleDiscountRatePostTax" xlink:to="lab_suz_LabelRoleDiscountRatePostTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsDomain_019ff75a-d5ab-70f3-a623-f1b3b4a52178_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [domain]</link:label>
    <link:label id="lab_ifrs-full_SegmentsDomain_label_en-US" xlink:label="lab_ifrs-full_SegmentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsDomain" xlink:to="lab_ifrs-full_SegmentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019ff75a-d5ab-710e-8808-0f7a745d2e2a_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019ff75a-d5ab-7a52-870f-e80ac1da430e_periodStartLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">At the beginning of the period</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019ff75a-d5ab-768f-9987-1e0b7b69b052_periodEndLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">At the end of the period</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalents" xlink:to="lab_ifrs-full_CashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScenarioAdditionalContributionsForSalariesGreaterThanTenSuzanoReferenceUnitsMember_019ff75a-d5ab-70f2-ace2-dca25571a560_terseLabel_en-US" xlink:label="lab_suz_ScenarioAdditionalContributionsForSalariesGreaterThanTenSuzanoReferenceUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nominal salary greater than 10 URS</link:label>
    <link:label id="lab_suz_ScenarioAdditionalContributionsForSalariesGreaterThanTenSuzanoReferenceUnitsMember_label_en-US" xlink:label="lab_suz_ScenarioAdditionalContributionsForSalariesGreaterThanTenSuzanoReferenceUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nominal salary greater than 10 URS</link:label>
    <link:label id="lab_suz_ScenarioAdditionalContributionsForSalariesGreaterThanTenSuzanoReferenceUnitsMember_documentation_en-US" xlink:label="lab_suz_ScenarioAdditionalContributionsForSalariesGreaterThanTenSuzanoReferenceUnitsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for employer contributions of the company follow the contributions of employees and apply to the portion of the salary that exceeds 10 URS's.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScenarioAdditionalContributionsForSalariesGreaterThanTenSuzanoReferenceUnitsMember" xlink:href="suz-20260630.xsd#suz_ScenarioAdditionalContributionsForSalariesGreaterThanTenSuzanoReferenceUnitsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScenarioAdditionalContributionsForSalariesGreaterThanTenSuzanoReferenceUnitsMember" xlink:to="lab_suz_ScenarioAdditionalContributionsForSalariesGreaterThanTenSuzanoReferenceUnitsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SensitivityAnalysisProbableScenarioMember_019ff75a-d484-7c95-9c11-ef6b58615bb4_terseLabel_en-US" xlink:label="lab_suz_SensitivityAnalysisProbableScenarioMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probable (base value)</link:label>
    <link:label id="lab_suz_SensitivityAnalysisProbableScenarioMember_label_en-US" xlink:label="lab_suz_SensitivityAnalysisProbableScenarioMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probable</link:label>
    <link:label id="lab_suz_SensitivityAnalysisProbableScenarioMember_documentation_en-US" xlink:label="lab_suz_SensitivityAnalysisProbableScenarioMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a probable scenario in a sensitivity analysis.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SensitivityAnalysisProbableScenarioMember" xlink:href="suz-20260630.xsd#suz_SensitivityAnalysisProbableScenarioMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SensitivityAnalysisProbableScenarioMember" xlink:to="lab_suz_SensitivityAnalysisProbableScenarioMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_December2044Member_019ff75a-d5ab-721a-8138-264b98361250_terseLabel_en-US" xlink:label="lab_suz_December2044Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">December 2044</link:label>
    <link:label id="lab_suz_December2044Member_label_en-US" xlink:label="lab_suz_December2044Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">December 2044 [Member]</link:label>
    <link:label id="lab_suz_December2044Member_documentation_en-US" xlink:label="lab_suz_December2044Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">December 2044</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_December2044Member" xlink:href="suz-20260630.xsd#suz_December2044Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_December2044Member" xlink:to="lab_suz_December2044Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GainsOnDerivativesMember_019ff75a-d484-7090-9837-a88367c009c2_terseLabel_en-US" xlink:label="lab_suz_GainsOnDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives gains ("MtM")</link:label>
    <link:label id="lab_suz_GainsOnDerivativesMember_label_en-US" xlink:label="lab_suz_GainsOnDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives gains ("MtM")</link:label>
    <link:label id="lab_suz_GainsOnDerivativesMember_documentation_en-US" xlink:label="lab_suz_GainsOnDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for gains on derivatives.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GainsOnDerivativesMember" xlink:href="suz-20260630.xsd#suz_GainsOnDerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GainsOnDerivativesMember" xlink:to="lab_suz_GainsOnDerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_019ff75a-d5ab-704f-b274-e4ae6a0d63d0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ReservesForCapitalExpenditures_019ff75a-d50c-7441-aaf7-343fd7857baf_terseLabel_en-US" xlink:label="lab_suz_ReservesForCapitalExpenditures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserves for Capital Expenditures</link:label>
    <link:label id="lab_suz_ReservesForCapitalExpenditures_label_en-US" xlink:label="lab_suz_ReservesForCapitalExpenditures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserves for Capital Expenditures</link:label>
    <link:label id="lab_suz_ReservesForCapitalExpenditures_documentation_en-US" xlink:label="lab_suz_ReservesForCapitalExpenditures" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reserves for Capital Expenditures</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ReservesForCapitalExpenditures" xlink:href="suz-20260630.xsd#suz_ReservesForCapitalExpenditures"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ReservesForCapitalExpenditures" xlink:to="lab_suz_ReservesForCapitalExpenditures" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesLineItems_019ff75a-d50c-7d78-b340-6b6011534544_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of significant accounting policies [Line Items]</link:label>
    <link:label id="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesLineItems_label_en-US" xlink:label="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Detailed Information About Accounting Policies [Line Items]</link:label>
    <link:label id="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesLineItems_documentation_en-US" xlink:label="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of Detailed Information About Accounting Policies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesLineItems" xlink:href="suz-20260630.xsd#suz_DisclosureOfDetailedInformationAboutAccountingPoliciesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesLineItems" xlink:to="lab_suz_DisclosureOfDetailedInformationAboutAccountingPoliciesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_019ff75a-d484-79f4-ae90-e8ad30a685b4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_019ff75a-d50c-7375-ba61-33b9e0cda0a3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_019ff75a-d5ab-73ad-9cd8-6a752626596d_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL LIABILITIES AND SHAREHOLDERS&#8217; EQUITY</link:label>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_label_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity and liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilities" xlink:to="lab_ifrs-full_EquityAndLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ChangeInAmortizationOfFundraisingCosts_019ff75a-d5ab-7fa6-bad5-552ee419b179_terseLabel_en-US" xlink:label="lab_suz_ChangeInAmortizationOfFundraisingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of fundraising costs</link:label>
    <link:label id="lab_suz_ChangeInAmortizationOfFundraisingCosts_label_en-US" xlink:label="lab_suz_ChangeInAmortizationOfFundraisingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change in Amortization of Fundraising Costs</link:label>
    <link:label id="lab_suz_ChangeInAmortizationOfFundraisingCosts_documentation_en-US" xlink:label="lab_suz_ChangeInAmortizationOfFundraisingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization of debt issuance costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ChangeInAmortizationOfFundraisingCosts" xlink:href="suz-20260630.xsd#suz_ChangeInAmortizationOfFundraisingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ChangeInAmortizationOfFundraisingCosts" xlink:to="lab_suz_ChangeInAmortizationOfFundraisingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_country_US_019ff75a-d5ab-7e21-bee2-fcd9d8a906bf_terseLabel_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">UNITED STATES</link:label>
    <link:label id="lab_country_US_label_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UNITED STATES</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_US" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_US" xlink:to="lab_country_US" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_019ff75a-d5ab-7e00-b174-412b92c5a25c_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Monetary adjustment</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BusinessCombinationsAxis_019ff75a-d50c-73e7-a305-6ec605cf4024_terseLabel_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business combinations [axis]</link:label>
    <link:label id="lab_ifrs-full_BusinessCombinationsAxis_label_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business combinations [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BusinessCombinationsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BusinessCombinationsAxis" xlink:to="lab_ifrs-full_BusinessCombinationsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrBBBMember_019ff75a-d5ab-7ed7-91f1-defe5e58051b_terseLabel_en-US" xlink:label="lab_suz_BrBBBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">brBBB-</link:label>
    <link:label id="lab_suz_BrBBBMember_label_en-US" xlink:label="lab_suz_BrBBBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">brBBB- [Member]</link:label>
    <link:label id="lab_suz_BrBBBMember_documentation_en-US" xlink:label="lab_suz_BrBBBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">brBBB-</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrBBBMember" xlink:href="suz-20260630.xsd#suz_BrBBBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrBBBMember" xlink:to="lab_suz_BrBBBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxContingentLiabilityMember_019ff75a-d3c2-7532-b582-13a0b8f5b6ca_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxContingentLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax contingent liability</link:label>
    <link:label id="lab_ifrs-full_TaxContingentLiabilityMember_label_en-US" xlink:label="lab_ifrs-full_TaxContingentLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax contingent liability [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxContingentLiabilityMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxContingentLiabilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxContingentLiabilityMember" xlink:to="lab_ifrs-full_TaxContingentLiabilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BusinessCombinationsDomain_019ff75a-d5ab-7859-9209-b975d40f1eb4_terseLabel_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business combinations [domain]</link:label>
    <link:label id="lab_ifrs-full_BusinessCombinationsDomain_label_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business combinations [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BusinessCombinationsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BusinessCombinationsDomain" xlink:to="lab_ifrs-full_BusinessCombinationsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GrantYear2024Member_019ff75a-d484-7003-9932-4fd4b344f8d7_terseLabel_en-US" xlink:label="lab_suz_GrantYear2024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Year 2024</link:label>
    <link:label id="lab_suz_GrantYear2024Member_label_en-US" xlink:label="lab_suz_GrantYear2024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Year 2024 [Member]</link:label>
    <link:label id="lab_suz_GrantYear2024Member_documentation_en-US" xlink:label="lab_suz_GrantYear2024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Year 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GrantYear2024Member" xlink:href="suz-20260630.xsd#suz_GrantYear2024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GrantYear2024Member" xlink:to="lab_suz_GrantYear2024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity_019ff75a-d5ab-7afe-a02f-becaf20d153e_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, pledged as security</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, pledged as security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExportPrepaymentAgreementPPEJPMorganMember_019ff75a-d484-7e6f-9356-f70ccb17335f_terseLabel_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementPPEJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreement - PPE - JP Morgan</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementPPEJPMorganMember_label_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementPPEJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreement - PPE - JP Morgan [Member]</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementPPEJPMorganMember_documentation_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementPPEJPMorganMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreement - PPE - JP Morgan (renewal strategy)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExportPrepaymentAgreementPPEJPMorganMember" xlink:href="suz-20260630.xsd#suz_ExportPrepaymentAgreementPPEJPMorganMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExportPrepaymentAgreementPPEJPMorganMember" xlink:to="lab_suz_ExportPrepaymentAgreementPPEJPMorganMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CostOfSalesPersonnelExpenses_019ff75a-d484-7426-bc15-a2a015472372_negatedTerseLabel_en-US" xlink:label="lab_suz_CostOfSalesPersonnelExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Personnel expenses</link:label>
    <link:label id="lab_suz_CostOfSalesPersonnelExpenses_label_en-US" xlink:label="lab_suz_CostOfSalesPersonnelExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Sales, Personnel Expenses</link:label>
    <link:label id="lab_suz_CostOfSalesPersonnelExpenses_documentation_en-US" xlink:label="lab_suz_CostOfSalesPersonnelExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of personnel expenses relating to cost of sales.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CostOfSalesPersonnelExpenses" xlink:href="suz-20260630.xsd#suz_CostOfSalesPersonnelExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CostOfSalesPersonnelExpenses" xlink:to="lab_suz_CostOfSalesPersonnelExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapVariableLondonInterbankOfferedRateToFixedRateUSDollarMember_019ff75a-d5ab-712d-8720-e9bd3888c2a8_terseLabel_en-US" xlink:label="lab_suz_SwapVariableLondonInterbankOfferedRateToFixedRateUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap SOFR x Fixed (US$)</link:label>
    <link:label id="lab_suz_SwapVariableLondonInterbankOfferedRateToFixedRateUSDollarMember_label_en-US" xlink:label="lab_suz_SwapVariableLondonInterbankOfferedRateToFixedRateUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap LIBOR to Fixed (US$)</link:label>
    <link:label id="lab_suz_SwapVariableLondonInterbankOfferedRateToFixedRateUSDollarMember_documentation_en-US" xlink:label="lab_suz_SwapVariableLondonInterbankOfferedRateToFixedRateUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for positions in conventional swaps exchanging the floating rate for a fixed rate in U.S. Dollars. The purpose is to hedge the cash flow from fluctuations in the U.S. interest rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapVariableLondonInterbankOfferedRateToFixedRateUSDollarMember" xlink:href="suz-20260630.xsd#suz_SwapVariableLondonInterbankOfferedRateToFixedRateUSDollarMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapVariableLondonInterbankOfferedRateToFixedRateUSDollarMember" xlink:to="lab_suz_SwapVariableLondonInterbankOfferedRateToFixedRateUSDollarMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CivilEnvironmentAndRealEstateMember_019ff75a-d5ab-7303-afaa-deb427276102_terseLabel_en-US" xlink:label="lab_suz_CivilEnvironmentAndRealEstateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Civil, environment and real estate</link:label>
    <link:label id="lab_suz_CivilEnvironmentAndRealEstateMember_label_en-US" xlink:label="lab_suz_CivilEnvironmentAndRealEstateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Civil, environment and real estate [Member]</link:label>
    <link:label id="lab_suz_CivilEnvironmentAndRealEstateMember_documentation_en-US" xlink:label="lab_suz_CivilEnvironmentAndRealEstateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a contingent liability for civil, environmental and real estate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CivilEnvironmentAndRealEstateMember" xlink:href="suz-20260630.xsd#suz_CivilEnvironmentAndRealEstateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CivilEnvironmentAndRealEstateMember" xlink:to="lab_suz_CivilEnvironmentAndRealEstateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ProductsAndServicesDomain_019ff75a-d50c-7d98-abb8-d56020c65a20_terseLabel_en-US" xlink:label="lab_srt_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:label id="lab_srt_ProductsAndServicesDomain_label_en-US" xlink:label="lab_srt_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductsAndServicesDomain" xlink:to="lab_srt_ProductsAndServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfReportableSegments_019ff75a-d5ab-7238-8f82-655e5524ce84_terseLabel_en-US" xlink:label="lab_suz_NumberOfReportableSegments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of reportable segments</link:label>
    <link:label id="lab_suz_NumberOfReportableSegments_label_en-US" xlink:label="lab_suz_NumberOfReportableSegments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Reportable Segments</link:label>
    <link:label id="lab_suz_NumberOfReportableSegments_documentation_en-US" xlink:label="lab_suz_NumberOfReportableSegments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Reportable Segments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfReportableSegments" xlink:href="suz-20260630.xsd#suz_NumberOfReportableSegments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfReportableSegments" xlink:to="lab_suz_NumberOfReportableSegments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives_019ff75a-d484-7ec8-ab9b-361e4bc6ab8e_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income</link:label>
    <link:label id="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives_label_en-US" xlink:label="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains on change in fair value of derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsOnChangeInFairValueOfDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable_019ff75a-d5ab-7788-b613-361916414fec_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:to="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory_019ff75a-d5ab-7477-a55d-5402289af6ab_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Associates and joint ventures</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for investment in associates and joint ventures [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities_019ff75a-d5ab-711f-92ee-7884fac24787_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [text block]</link:label>
    <link:label id="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:to="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_KimberlyClarkTissueAcquisitionMember_019ff75a-d5ab-7e29-b619-3fc04227687e_terseLabel_en-US" xlink:label="lab_suz_KimberlyClarkTissueAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kimberly Clark Tissue Acquisition</link:label>
    <link:label id="lab_suz_KimberlyClarkTissueAcquisitionMember_label_en-US" xlink:label="lab_suz_KimberlyClarkTissueAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Kimberly Clark Tissue Acquisition [Member]</link:label>
    <link:label id="lab_suz_KimberlyClarkTissueAcquisitionMember_documentation_en-US" xlink:label="lab_suz_KimberlyClarkTissueAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Kimberly Clark Tissue Acquisition</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_KimberlyClarkTissueAcquisitionMember" xlink:href="suz-20260630.xsd#suz_KimberlyClarkTissueAcquisitionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_KimberlyClarkTissueAcquisitionMember" xlink:to="lab_suz_KimberlyClarkTissueAcquisitionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsBeforeOtherAdjustments_019ff75a-d484-7756-b189-944ffda56382_terseLabel_en-US" xlink:label="lab_suz_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsBeforeOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_suz_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsBeforeOtherAdjustments_label_en-US" xlink:label="lab_suz_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsBeforeOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Borrowings and Current Portion of Noncurrent Borrowings, Before Other Adjustments</link:label>
    <link:label id="lab_suz_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsBeforeOtherAdjustments_documentation_en-US" xlink:label="lab_suz_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsBeforeOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current borrowings and current portion of non-current borrowings before other adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsBeforeOtherAdjustments" xlink:href="suz-20260630.xsd#suz_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsBeforeOtherAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsBeforeOtherAdjustments" xlink:to="lab_suz_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsBeforeOtherAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RestrictedStockYearFive_019ff75a-d484-7054-85e7-5d5d08a6216a_terseLabel_en-US" xlink:label="lab_suz_RestrictedStockYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock, year five</link:label>
    <link:label id="lab_suz_RestrictedStockYearFive_label_en-US" xlink:label="lab_suz_RestrictedStockYearFive" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year Five</link:label>
    <link:label id="lab_suz_RestrictedStockYearFive_documentation_en-US" xlink:label="lab_suz_RestrictedStockYearFive" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RestrictedStockYearFive" xlink:href="suz-20260630.xsd#suz_RestrictedStockYearFive"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RestrictedStockYearFive" xlink:to="lab_suz_RestrictedStockYearFive" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BiologicalAssetsByAgeDomain_019ff75a-d484-7953-b113-da19a2870f5c_terseLabel_en-US" xlink:label="lab_ifrs-full_BiologicalAssetsByAgeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Biological assets by age [domain]</link:label>
    <link:label id="lab_ifrs-full_BiologicalAssetsByAgeDomain_label_en-US" xlink:label="lab_ifrs-full_BiologicalAssetsByAgeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Biological assets by age [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BiologicalAssetsByAgeDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BiologicalAssetsByAgeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BiologicalAssetsByAgeDomain" xlink:to="lab_ifrs-full_BiologicalAssetsByAgeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProvisionForTaxCivilAndLaborLiabilitiesMember_019ff75a-d5ab-7c75-8be7-90eb700a7253_terseLabel_en-US" xlink:label="lab_suz_ProvisionForTaxCivilAndLaborLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for judicial liabilities</link:label>
    <link:label id="lab_suz_ProvisionForTaxCivilAndLaborLiabilitiesMember_label_en-US" xlink:label="lab_suz_ProvisionForTaxCivilAndLaborLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for judicial liabilities</link:label>
    <link:label id="lab_suz_ProvisionForTaxCivilAndLaborLiabilitiesMember_documentation_en-US" xlink:label="lab_suz_ProvisionForTaxCivilAndLaborLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for provision for tax, civil and labor liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProvisionForTaxCivilAndLaborLiabilitiesMember" xlink:href="suz-20260630.xsd#suz_ProvisionForTaxCivilAndLaborLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProvisionForTaxCivilAndLaborLiabilitiesMember" xlink:to="lab_suz_ProvisionForTaxCivilAndLaborLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Jun2027Member_019ff75a-d5ab-789b-9937-bb68c3ae0a9e_terseLabel_en-US" xlink:label="lab_suz_Jun2027Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Jun 2027</link:label>
    <link:label id="lab_suz_Jun2027Member_label_en-US" xlink:label="lab_suz_Jun2027Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Jun 2027 [Member]</link:label>
    <link:label id="lab_suz_Jun2027Member_documentation_en-US" xlink:label="lab_suz_Jun2027Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Jun 2027</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Jun2027Member" xlink:href="suz-20260630.xsd#suz_Jun2027Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Jun2027Member" xlink:to="lab_suz_Jun2027Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LenzingAktiengesellschaftLenzingMember_019ff75a-d3c2-7764-b92b-49d33d8ed4e0_terseLabel_en-US" xlink:label="lab_suz_LenzingAktiengesellschaftLenzingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lenzing Aktiengesellschaft (&#8220;Lenzing &#8221;)</link:label>
    <link:label id="lab_suz_LenzingAktiengesellschaftLenzingMember_label_en-US" xlink:label="lab_suz_LenzingAktiengesellschaftLenzingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lenzing Aktiengesellschaft (&#8220;Lenzing &#8221;) [Member]</link:label>
    <link:label id="lab_suz_LenzingAktiengesellschaftLenzingMember_documentation_en-US" xlink:label="lab_suz_LenzingAktiengesellschaftLenzingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lenzing Aktiengesellschaft (&#8220;Lenzing &#8221;)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LenzingAktiengesellschaftLenzingMember" xlink:href="suz-20260630.xsd#suz_LenzingAktiengesellschaftLenzingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LenzingAktiengesellschaftLenzingMember" xlink:to="lab_suz_LenzingAktiengesellschaftLenzingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_019ff75a-d3c2-786f-a30e-e4994b08251d_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate risk</link:label>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest rate risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestRateRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateRiskMember" xlink:to="lab_ifrs-full_InterestRateRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory_019ff75a-d5ab-7adf-83e8-4116cb5fe0c7_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision, contingent assets and liabilities</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for contingent liabilities and contingent assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeStatementComponentsDomain_019ff75a-d483-7f55-afb8-60a824c36811_terseLabel_en-US" xlink:label="lab_suz_IncomeStatementComponentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement Components [Domain]</link:label>
    <link:label id="lab_suz_IncomeStatementComponentsDomain_label_en-US" xlink:label="lab_suz_IncomeStatementComponentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement Components [Domain]</link:label>
    <link:label id="lab_suz_IncomeStatementComponentsDomain_documentation_en-US" xlink:label="lab_suz_IncomeStatementComponentsDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Statement Components [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeStatementComponentsDomain" xlink:href="suz-20260630.xsd#suz_IncomeStatementComponentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeStatementComponentsDomain" xlink:to="lab_suz_IncomeStatementComponentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherMiscellaneousProvisionsNetOfJudicialDeposits_019ff75a-d5ab-798c-aea6-1fe42f2243b4_terseLabel_en-US" xlink:label="lab_suz_OtherMiscellaneousProvisionsNetOfJudicialDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balance provision at the end for the period</link:label>
    <link:label id="lab_suz_OtherMiscellaneousProvisionsNetOfJudicialDeposits_label_en-US" xlink:label="lab_suz_OtherMiscellaneousProvisionsNetOfJudicialDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Miscellaneous Provisions, Net of Judicial Deposits</link:label>
    <link:label id="lab_suz_OtherMiscellaneousProvisionsNetOfJudicialDeposits_documentation_en-US" xlink:label="lab_suz_OtherMiscellaneousProvisionsNetOfJudicialDeposits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other miscellaneous provisions, net of judicial deposits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherMiscellaneousProvisionsNetOfJudicialDeposits" xlink:href="suz-20260630.xsd#suz_OtherMiscellaneousProvisionsNetOfJudicialDeposits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherMiscellaneousProvisionsNetOfJudicialDeposits" xlink:to="lab_suz_OtherMiscellaneousProvisionsNetOfJudicialDeposits" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_USD_019ff75a-d50c-717c-b80f-0e7441d9f250_terseLabel_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">United States of America, Dollars</link:label>
    <link:label id="lab_currency_USD_label_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">United States of America, Dollars</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_USD" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_USD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_USD" xlink:to="lab_currency_USD" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsPerShareAbstract_019ff75a-d484-7d03-8c4d-1bc31a96d402_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings per share [abstract]</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsPerShareAbstract" xlink:to="lab_ifrs-full_DilutedEarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_January2036Member_019ff75a-d484-7805-8d07-2281244bd1b5_terseLabel_en-US" xlink:label="lab_suz_January2036Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">January 2036</link:label>
    <link:label id="lab_suz_January2036Member_label_en-US" xlink:label="lab_suz_January2036Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">January 2036 [Member]</link:label>
    <link:label id="lab_suz_January2036Member_documentation_en-US" xlink:label="lab_suz_January2036Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">January 2036</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_January2036Member" xlink:href="suz-20260630.xsd#suz_January2036Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_January2036Member" xlink:to="lab_suz_January2036Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain_019ff75a-d5ab-70fd-9c8c-7c63ca05f7e4_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_019ff75a-d3c2-74ea-9a2f-579a41d82b90_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) through other changes, equity</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through other changes, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_019ff75a-d50c-7a27-90a7-125447a79a6e_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Later than five years [member]</link:label>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EarningsBeforeInterestTaxesDepreciationAndAmortization_019ff75a-d484-7055-a1ea-72d9943f7a91_terseLabel_en-US" xlink:label="lab_suz_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounting EBITDA</link:label>
    <link:label id="lab_suz_EarningsBeforeInterestTaxesDepreciationAndAmortization_label_en-US" xlink:label="lab_suz_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Before Interest, Taxes, Depreciation, and Amortization</link:label>
    <link:label id="lab_suz_EarningsBeforeInterestTaxesDepreciationAndAmortization_documentation_en-US" xlink:label="lab_suz_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The income before interest, taxes, depreciation, and amortization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:href="suz-20260630.xsd#suz_EarningsBeforeInterestTaxesDepreciationAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:to="lab_suz_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_019ff75a-d484-736f-8484-d48cbb3f03d5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of related party [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of related party [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LeasePassiveTemporaryDifference_019ff75a-d5ab-71ef-acef-1d6e948211a5_terseLabel_en-US" xlink:label="lab_suz_LeasePassiveTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease, passive temporary difference</link:label>
    <link:label id="lab_suz_LeasePassiveTemporaryDifference_label_en-US" xlink:label="lab_suz_LeasePassiveTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease, Passive Temporary Difference</link:label>
    <link:label id="lab_suz_LeasePassiveTemporaryDifference_documentation_en-US" xlink:label="lab_suz_LeasePassiveTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease, Passive Temporary Difference</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LeasePassiveTemporaryDifference" xlink:href="suz-20260630.xsd#suz_LeasePassiveTemporaryDifference"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LeasePassiveTemporaryDifference" xlink:to="lab_suz_LeasePassiveTemporaryDifference" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsDomain_019ff75a-d50c-7fce-94ed-5a5eea2c0d89_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAdvances_019ff75a-d50c-7ba8-a1d7-3a07164501bd_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAdvances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances from customers</link:label>
    <link:label id="lab_ifrs-full_CurrentAdvances_label_en-US" xlink:label="lab_ifrs-full_CurrentAdvances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current advances received, representing current contract liabilities for performance obligations satisfied at point in time</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAdvances" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAdvances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAdvances" xlink:to="lab_ifrs-full_CurrentAdvances" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PortocelTerminalEspec.BarraDoRiachoS.a.Member_019ff75a-d484-71f6-8b65-241d98c5a916_terseLabel_en-US" xlink:label="lab_suz_PortocelTerminalEspec.BarraDoRiachoS.a.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Portocel - Terminal Espec. Barra do Riacho S.A. (Direct)</link:label>
    <link:label id="lab_suz_PortocelTerminalEspec.BarraDoRiachoS.a.Member_label_en-US" xlink:label="lab_suz_PortocelTerminalEspec.BarraDoRiachoS.a.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Portocel - Terminal Espec. Barra do Riacho S.A.</link:label>
    <link:label id="lab_suz_PortocelTerminalEspec.BarraDoRiachoS.a.Member_documentation_en-US" xlink:label="lab_suz_PortocelTerminalEspec.BarraDoRiachoS.a.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Portocel - Terminal Espec. Barra do Riacho S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PortocelTerminalEspec.BarraDoRiachoS.a.Member" xlink:href="suz-20260630.xsd#suz_PortocelTerminalEspec.BarraDoRiachoS.a.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PortocelTerminalEspec.BarraDoRiachoS.a.Member" xlink:to="lab_suz_PortocelTerminalEspec.BarraDoRiachoS.a.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SellingExpensePersonnelExpenses_019ff75a-d5ab-75ff-94d8-88a2eedfe1e4_negatedTerseLabel_en-US" xlink:label="lab_suz_SellingExpensePersonnelExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Personnel expenses</link:label>
    <link:label id="lab_suz_SellingExpensePersonnelExpenses_label_en-US" xlink:label="lab_suz_SellingExpensePersonnelExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling Expense, Personnel Expenses</link:label>
    <link:label id="lab_suz_SellingExpensePersonnelExpenses_documentation_en-US" xlink:label="lab_suz_SellingExpensePersonnelExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of personnel expenses relating to selling expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SellingExpensePersonnelExpenses" xlink:href="suz-20260630.xsd#suz_SellingExpensePersonnelExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SellingExpensePersonnelExpenses" xlink:to="lab_suz_SellingExpensePersonnelExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GainsLossesOnConversionOfFinancialStatementsAndOnForeignInvestments_019ff75a-d484-7355-8803-7f4247d47d8b_terseLabel_en-US" xlink:label="lab_suz_GainsLossesOnConversionOfFinancialStatementsAndOnForeignInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gains (losses) on conversion of financial statements and on foreign investments</link:label>
    <link:label id="lab_suz_GainsLossesOnConversionOfFinancialStatementsAndOnForeignInvestments_label_en-US" xlink:label="lab_suz_GainsLossesOnConversionOfFinancialStatementsAndOnForeignInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on conversion of financial statements and on foreign investments</link:label>
    <link:label id="lab_suz_GainsLossesOnConversionOfFinancialStatementsAndOnForeignInvestments_documentation_en-US" xlink:label="lab_suz_GainsLossesOnConversionOfFinancialStatementsAndOnForeignInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gains (losses) on conversion of financial statements and on foreign investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GainsLossesOnConversionOfFinancialStatementsAndOnForeignInvestments" xlink:href="suz-20260630.xsd#suz_GainsLossesOnConversionOfFinancialStatementsAndOnForeignInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GainsLossesOnConversionOfFinancialStatementsAndOnForeignInvestments" xlink:to="lab_suz_GainsLossesOnConversionOfFinancialStatementsAndOnForeignInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapCNHToFixedCNHMember_019ff75a-d50c-7a08-b260-35de96931e77_terseLabel_en-US" xlink:label="lab_suz_SwapCNHToFixedCNHMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap CNH to Fixed (CNH) [Member]</link:label>
    <link:label id="lab_suz_SwapCNHToFixedCNHMember_label_en-US" xlink:label="lab_suz_SwapCNHToFixedCNHMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap CNH to Fixed (CNH) [Member]</link:label>
    <link:label id="lab_suz_SwapCNHToFixedCNHMember_documentation_en-US" xlink:label="lab_suz_SwapCNHToFixedCNHMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap CNH to Fixed (CNH)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapCNHToFixedCNHMember" xlink:href="suz-20260630.xsd#suz_SwapCNHToFixedCNHMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapCNHToFixedCNHMember" xlink:to="lab_suz_SwapCNHToFixedCNHMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CurrentTaxAssetsIncomeTaxRelated_019ff75a-d5ab-7031-9c26-7d63fabc06fa_terseLabel_en-US" xlink:label="lab_suz_CurrentTaxAssetsIncomeTaxRelated" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Tax Assets Income Tax Related</link:label>
    <link:label id="lab_suz_CurrentTaxAssetsIncomeTaxRelated_label_en-US" xlink:label="lab_suz_CurrentTaxAssetsIncomeTaxRelated" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Tax Assets Income Tax Related</link:label>
    <link:label id="lab_suz_CurrentTaxAssetsIncomeTaxRelated_documentation_en-US" xlink:label="lab_suz_CurrentTaxAssetsIncomeTaxRelated" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Tax Assets Income Tax Related</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CurrentTaxAssetsIncomeTaxRelated" xlink:href="suz-20260630.xsd#suz_CurrentTaxAssetsIncomeTaxRelated"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CurrentTaxAssetsIncomeTaxRelated" xlink:to="lab_suz_CurrentTaxAssetsIncomeTaxRelated" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRateSwapContractMember_019ff75a-d484-7b93-935f-97329837d3ac_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateSwapContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate swap contract [member]</link:label>
    <link:label id="lab_ifrs-full_InterestRateSwapContractMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateSwapContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest rate swap contract [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateSwapContractMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestRateSwapContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateSwapContractMember" xlink:to="lab_ifrs-full_InterestRateSwapContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_019ff75a-d483-7a69-8cbc-0017e095617f_terseLabel_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 3</link:label>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 3 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_WeightedAveragePricePerShareTreasuryShares_019ff75a-d50c-7fca-876c-407e9e3a9f96_periodStartLabel_en-US" xlink:label="lab_suz_WeightedAveragePricePerShareTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Price Per Share, Treasury Shares</link:label>
    <link:label id="lab_suz_WeightedAveragePricePerShareTreasuryShares_019ff75a-d50c-75bf-90b7-c0bd51857edf_periodEndLabel_en-US" xlink:label="lab_suz_WeightedAveragePricePerShareTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Price Per Share, Treasury Shares</link:label>
    <link:label id="lab_suz_WeightedAveragePricePerShareTreasuryShares_label_en-US" xlink:label="lab_suz_WeightedAveragePricePerShareTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Price Per Share, Treasury Shares</link:label>
    <link:label id="lab_suz_WeightedAveragePricePerShareTreasuryShares_documentation_en-US" xlink:label="lab_suz_WeightedAveragePricePerShareTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average price per share of treasury shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_WeightedAveragePricePerShareTreasuryShares" xlink:href="suz-20260630.xsd#suz_WeightedAveragePricePerShareTreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_WeightedAveragePricePerShareTreasuryShares" xlink:to="lab_suz_WeightedAveragePricePerShareTreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BorrowingsBeforeOtherAdjustments_019ff75a-d5ab-7ba7-94b8-b07ba00e6a6d_terseLabel_en-US" xlink:label="lab_suz_BorrowingsBeforeOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_suz_BorrowingsBeforeOtherAdjustments_label_en-US" xlink:label="lab_suz_BorrowingsBeforeOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Before Other Adjustments</link:label>
    <link:label id="lab_suz_BorrowingsBeforeOtherAdjustments_documentation_en-US" xlink:label="lab_suz_BorrowingsBeforeOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of borrowings before other adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BorrowingsBeforeOtherAdjustments" xlink:href="suz-20260630.xsd#suz_BorrowingsBeforeOtherAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BorrowingsBeforeOtherAdjustments" xlink:to="lab_suz_BorrowingsBeforeOtherAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentOfFinancialAssetsAxis_019ff75a-d5ab-743d-8088-c73269d033ce_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ImpairmentOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_019ff75a-d5ab-76b7-8d41-13c31aa61dde_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense on lease liabilities</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:to="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_019ff75a-d5ab-74b4-8e41-d1f9d7f2ba7e_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodwillRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PrintingAndWritingPaperMember_019ff75a-d5ab-7ae2-b3e0-11eb0d5f0d9e_terseLabel_en-US" xlink:label="lab_suz_PrintingAndWritingPaperMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Printing and writing paper (2)</link:label>
    <link:label id="lab_suz_PrintingAndWritingPaperMember_label_en-US" xlink:label="lab_suz_PrintingAndWritingPaperMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Printing and writing paper [Member]</link:label>
    <link:label id="lab_suz_PrintingAndWritingPaperMember_documentation_en-US" xlink:label="lab_suz_PrintingAndWritingPaperMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for printing and writing paper.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PrintingAndWritingPaperMember" xlink:href="suz-20260630.xsd#suz_PrintingAndWritingPaperMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PrintingAndWritingPaperMember" xlink:to="lab_suz_PrintingAndWritingPaperMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_019ff75a-d484-7d42-8d3b-a8fbbef6dd6d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DescriptionOfBiometricTableOfGeneralMortality_019ff75a-d484-7059-9a95-d028e2dd996b_terseLabel_en-US" xlink:label="lab_suz_DescriptionOfBiometricTableOfGeneralMortality" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description Of Biometric Table Of General Mortality</link:label>
    <link:label id="lab_suz_DescriptionOfBiometricTableOfGeneralMortality_label_en-US" xlink:label="lab_suz_DescriptionOfBiometricTableOfGeneralMortality" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Biometric Table Of General Mortality</link:label>
    <link:label id="lab_suz_DescriptionOfBiometricTableOfGeneralMortality_documentation_en-US" xlink:label="lab_suz_DescriptionOfBiometricTableOfGeneralMortality" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the biometric table of general mortality that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DescriptionOfBiometricTableOfGeneralMortality" xlink:href="suz-20260630.xsd#suz_DescriptionOfBiometricTableOfGeneralMortality"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DescriptionOfBiometricTableOfGeneralMortality" xlink:to="lab_suz_DescriptionOfBiometricTableOfGeneralMortality" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentOfFinancialAssetsDomain_019ff75a-d50c-768e-a2f8-5a9721a07fde_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ImpairmentOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ResultAbsorption_019ff75a-d484-76a3-9654-19e45f92805a_terseLabel_en-US" xlink:label="lab_suz_ResultAbsorption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Distribution of results</link:label>
    <link:label id="lab_suz_ResultAbsorption_label_en-US" xlink:label="lab_suz_ResultAbsorption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Result Absorption</link:label>
    <link:label id="lab_suz_ResultAbsorption_documentation_en-US" xlink:label="lab_suz_ResultAbsorption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of result absorbed as of balance sheet date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ResultAbsorption" xlink:href="suz-20260630.xsd#suz_ResultAbsorption"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ResultAbsorption" xlink:to="lab_suz_ResultAbsorption" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TemporaryTaxDifferencesDeferredTaxLiabilitiesOtherMember_019ff75a-d50c-7244-8347-51b1dd4398b3_terseLabel_en-US" xlink:label="lab_suz_TemporaryTaxDifferencesDeferredTaxLiabilitiesOtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other temporary differences</link:label>
    <link:label id="lab_suz_TemporaryTaxDifferencesDeferredTaxLiabilitiesOtherMember_label_en-US" xlink:label="lab_suz_TemporaryTaxDifferencesDeferredTaxLiabilitiesOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other temporary differences, liabilities</link:label>
    <link:label id="lab_suz_TemporaryTaxDifferencesDeferredTaxLiabilitiesOtherMember_documentation_en-US" xlink:label="lab_suz_TemporaryTaxDifferencesDeferredTaxLiabilitiesOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for temporary tax differences of deferred tax liabilities classified as other.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TemporaryTaxDifferencesDeferredTaxLiabilitiesOtherMember" xlink:href="suz-20260630.xsd#suz_TemporaryTaxDifferencesDeferredTaxLiabilitiesOtherMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TemporaryTaxDifferencesDeferredTaxLiabilitiesOtherMember" xlink:to="lab_suz_TemporaryTaxDifferencesDeferredTaxLiabilitiesOtherMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExportPrepaymentAgreementMUFGBankMember_019ff75a-d484-7b52-9844-3beb95a64b92_terseLabel_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementMUFGBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreement - MUFG Bank</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementMUFGBankMember_label_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementMUFGBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreement - MUFG Bank [Member]</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementMUFGBankMember_documentation_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementMUFGBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreement - MUFG Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExportPrepaymentAgreementMUFGBankMember" xlink:href="suz-20260630.xsd#suz_ExportPrepaymentAgreementMUFGBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExportPrepaymentAgreementMUFGBankMember" xlink:to="lab_suz_ExportPrepaymentAgreementMUFGBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MaxcelEmpreendimentosEParticipacoesS.a.Member_019ff75a-d3c2-7f41-a843-f7c8669ddb84_terseLabel_en-US" xlink:label="lab_suz_MaxcelEmpreendimentosEParticipacoesS.a.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maxcel Empreendimentos e Participa&#231;&#245;es S.A. (Direct)</link:label>
    <link:label id="lab_suz_MaxcelEmpreendimentosEParticipacoesS.a.Member_label_en-US" xlink:label="lab_suz_MaxcelEmpreendimentosEParticipacoesS.a.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maxcel Empreendimentos e Participacoes S.A.</link:label>
    <link:label id="lab_suz_MaxcelEmpreendimentosEParticipacoesS.a.Member_documentation_en-US" xlink:label="lab_suz_MaxcelEmpreendimentosEParticipacoesS.a.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Maxcel Empreendimentos e Participacoes S.A. (Maxcel).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MaxcelEmpreendimentosEParticipacoesS.a.Member" xlink:href="suz-20260630.xsd#suz_MaxcelEmpreendimentosEParticipacoesS.a.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MaxcelEmpreendimentosEParticipacoesS.a.Member" xlink:to="lab_suz_MaxcelEmpreendimentosEParticipacoesS.a.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossOtherAssetsAndLiabilities_019ff75a-d50c-711a-89ab-e2e81d9fd944_terseLabel_en-US" xlink:label="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossOtherAssetsAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets and liabilities (4)</link:label>
    <link:label id="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossOtherAssetsAndLiabilities_label_en-US" xlink:label="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossOtherAssetsAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) On Exchange Differences On Translation, Recognised In Profit Or Loss, Other Assets and Liabilities</link:label>
    <link:label id="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossOtherAssetsAndLiabilities_documentation_en-US" xlink:label="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossOtherAssetsAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of exchange differences related to other assets and liabilities, recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossOtherAssetsAndLiabilities" xlink:href="suz-20260630.xsd#suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossOtherAssetsAndLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossOtherAssetsAndLiabilities" xlink:to="lab_suz_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLossOtherAssetsAndLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PulpSegmentMember_019ff75a-d50c-7fb2-8b91-0a8e7bad061c_terseLabel_en-US" xlink:label="lab_suz_PulpSegmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pulp</link:label>
    <link:label id="lab_suz_PulpSegmentMember_label_en-US" xlink:label="lab_suz_PulpSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pulp Segment [Member]</link:label>
    <link:label id="lab_suz_PulpSegmentMember_documentation_en-US" xlink:label="lab_suz_PulpSegmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for pulp segment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PulpSegmentMember" xlink:href="suz-20260630.xsd#suz_PulpSegmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PulpSegmentMember" xlink:to="lab_suz_PulpSegmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_019ff75a-d50c-7e17-8c22-a65a18e1a3ff_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other receivables [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other receivables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Bonds2026Member_019ff75a-d50c-742d-b561-724377bddc49_terseLabel_en-US" xlink:label="lab_suz_Bonds2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds 2026</link:label>
    <link:label id="lab_suz_Bonds2026Member_label_en-US" xlink:label="lab_suz_Bonds2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bonds 2026 [Member]</link:label>
    <link:label id="lab_suz_Bonds2026Member_documentation_en-US" xlink:label="lab_suz_Bonds2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bonds 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Bonds2026Member" xlink:href="suz-20260630.xsd#suz_Bonds2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Bonds2026Member" xlink:to="lab_suz_Bonds2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InstitutoEcofuturoFuturoParaODesenvolvimentoSustentavelMember_019ff75a-d484-7e1b-9850-f73e580f3b4f_terseLabel_en-US" xlink:label="lab_suz_InstitutoEcofuturoFuturoParaODesenvolvimentoSustentavelMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Instituto Ecofuturo - Futuro Para o Desenvolvimento Sustentavel</link:label>
    <link:label id="lab_suz_InstitutoEcofuturoFuturoParaODesenvolvimentoSustentavelMember_label_en-US" xlink:label="lab_suz_InstitutoEcofuturoFuturoParaODesenvolvimentoSustentavelMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Instituto Ecofuturo - Futuro Para o Desenvolvimento Sustentavel</link:label>
    <link:label id="lab_suz_InstitutoEcofuturoFuturoParaODesenvolvimentoSustentavelMember_documentation_en-US" xlink:label="lab_suz_InstitutoEcofuturoFuturoParaODesenvolvimentoSustentavelMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Instituto Ecofuturo - Futuro para o Desenvolvimento Sustentavel. ("Ecofuturo"), a related party, controlled by key management personnel.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InstitutoEcofuturoFuturoParaODesenvolvimentoSustentavelMember" xlink:href="suz-20260630.xsd#suz_InstitutoEcofuturoFuturoParaODesenvolvimentoSustentavelMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InstitutoEcofuturoFuturoParaODesenvolvimentoSustentavelMember" xlink:to="lab_suz_InstitutoEcofuturoFuturoParaODesenvolvimentoSustentavelMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastDueStatusAxis_019ff75a-d5ab-763b-b121-512b6d41ff36_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due status [axis]</link:label>
    <link:label id="lab_ifrs-full_PastDueStatusAxis_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Past due status [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PastDueStatusAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusAxis" xlink:to="lab_ifrs-full_PastDueStatusAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherEquityInterestMember_019ff75a-d5ab-7c2d-b4dd-2fedd87268ff_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherEquityInterestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_OtherEquityInterestMember_label_en-US" xlink:label="lab_ifrs-full_OtherEquityInterestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other equity interest [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherEquityInterestMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEquityInterestMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherEquityInterestMember" xlink:to="lab_ifrs-full_OtherEquityInterestMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LesseeOperatingLeasesChangesInLeaseLiabilitiesTableTextBlock_019ff75a-d50c-7285-b0a8-e8d7895ed1b9_terseLabel_en-US" xlink:label="lab_suz_LesseeOperatingLeasesChangesInLeaseLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Changes in Lease Liabilities</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesChangesInLeaseLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_suz_LesseeOperatingLeasesChangesInLeaseLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Changes in Lease Liabilities [Table Text Block]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesChangesInLeaseLiabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_suz_LesseeOperatingLeasesChangesInLeaseLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the changes in lease liabilities classified as operating leases during reporting the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LesseeOperatingLeasesChangesInLeaseLiabilitiesTableTextBlock" xlink:href="suz-20260630.xsd#suz_LesseeOperatingLeasesChangesInLeaseLiabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LesseeOperatingLeasesChangesInLeaseLiabilitiesTableTextBlock" xlink:to="lab_suz_LesseeOperatingLeasesChangesInLeaseLiabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BNBParibasMember_019ff75a-d3c2-7cca-a5bd-bcb8ea359992_terseLabel_en-US" xlink:label="lab_suz_BNBParibasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNB Paribas</link:label>
    <link:label id="lab_suz_BNBParibasMember_label_en-US" xlink:label="lab_suz_BNBParibasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNB Paribas [Member]</link:label>
    <link:label id="lab_suz_BNBParibasMember_documentation_en-US" xlink:label="lab_suz_BNBParibasMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BNB Paribas</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BNBParibasMember" xlink:href="suz-20260630.xsd#suz_BNBParibasMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BNBParibasMember" xlink:to="lab_suz_BNBParibasMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_019ff75a-d5ab-7d17-ab7f-76ad797e7d8c_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash provided by operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinishedGoods_019ff75a-d484-7af0-80f2-953507b7d66d_terseLabel_en-US" xlink:label="lab_ifrs-full_FinishedGoods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current finished goods</link:label>
    <link:label id="lab_ifrs-full_FinishedGoods_label_en-US" xlink:label="lab_ifrs-full_FinishedGoods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current finished goods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinishedGoods" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinishedGoods"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinishedGoods" xlink:to="lab_ifrs-full_FinishedGoods" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EarningsPerShareBasicWeightedAverageNumberOfSharesIssued_019ff75a-d484-767f-9372-062cbd336e11_terseLabel_en-US" xlink:label="lab_suz_EarningsPerShareBasicWeightedAverageNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of shares in the period &#8211; in thousands</link:label>
    <link:label id="lab_suz_EarningsPerShareBasicWeightedAverageNumberOfSharesIssued_label_en-US" xlink:label="lab_suz_EarningsPerShareBasicWeightedAverageNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic, Weighted Average Number of Shares Issued</link:label>
    <link:label id="lab_suz_EarningsPerShareBasicWeightedAverageNumberOfSharesIssued_documentation_en-US" xlink:label="lab_suz_EarningsPerShareBasicWeightedAverageNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average total number of shares issued throughout the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EarningsPerShareBasicWeightedAverageNumberOfSharesIssued" xlink:href="suz-20260630.xsd#suz_EarningsPerShareBasicWeightedAverageNumberOfSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EarningsPerShareBasicWeightedAverageNumberOfSharesIssued" xlink:to="lab_suz_EarningsPerShareBasicWeightedAverageNumberOfSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_019ff75a-d5ab-7128-a3e5-11b982b93d7f_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cancelled</link:label>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of other equity instruments forfeited in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_019ff75a-d484-78cd-a644-f1201ed71c1c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CentralAndSouthAmericaMember_019ff75a-d50c-70c7-8c97-04a56da6e377_terseLabel_en-US" xlink:label="lab_suz_CentralAndSouthAmericaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Central and South America</link:label>
    <link:label id="lab_suz_CentralAndSouthAmericaMember_label_en-US" xlink:label="lab_suz_CentralAndSouthAmericaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Central and South America [Member]</link:label>
    <link:label id="lab_suz_CentralAndSouthAmericaMember_documentation_en-US" xlink:label="lab_suz_CentralAndSouthAmericaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Central and South America</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CentralAndSouthAmericaMember" xlink:href="suz-20260630.xsd#suz_CentralAndSouthAmericaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CentralAndSouthAmericaMember" xlink:to="lab_suz_CentralAndSouthAmericaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLiabilitiesAbstract_019ff75a-d50c-7738-a6b1-925cc470022f_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MarketValueOfTreasuryShares_019ff75a-d50c-7ec7-a0f4-5d2c87a4c8bf_periodStartLabel_en-US" xlink:label="lab_suz_MarketValueOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Market Value Of Treasury Shares</link:label>
    <link:label id="lab_suz_MarketValueOfTreasuryShares_019ff75a-d50c-76f3-acc9-2a33f12f0e00_periodEndLabel_en-US" xlink:label="lab_suz_MarketValueOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Market Value Of Treasury Shares</link:label>
    <link:label id="lab_suz_MarketValueOfTreasuryShares_label_en-US" xlink:label="lab_suz_MarketValueOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Value Of Treasury Shares</link:label>
    <link:label id="lab_suz_MarketValueOfTreasuryShares_documentation_en-US" xlink:label="lab_suz_MarketValueOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the market value of treasury shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MarketValueOfTreasuryShares" xlink:href="suz-20260630.xsd#suz_MarketValueOfTreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MarketValueOfTreasuryShares" xlink:to="lab_suz_MarketValueOfTreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityDomain_019ff75a-d484-73a0-9e01-ffe7af38f61b_terseLabel_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_label_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain" xlink:to="lab_dei_EntityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_019ff75a-d483-7d67-a1dc-c2790ce738e4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of share-based payment arrangements [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of share-based payment arrangements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ControllingInterestInAcquireeRecognisedAtAcquisitionDate_019ff75a-d5ab-75a1-982f-46d604924399_terseLabel_en-US" xlink:label="lab_suz_ControllingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquired interest</link:label>
    <link:label id="lab_suz_ControllingInterestInAcquireeRecognisedAtAcquisitionDate_label_en-US" xlink:label="lab_suz_ControllingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Controlling Interest In Acquiree Recognised at Acquisition Date</link:label>
    <link:label id="lab_suz_ControllingInterestInAcquireeRecognisedAtAcquisitionDate_documentation_en-US" xlink:label="lab_suz_ControllingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Controlling Interest In Acquiree Recognised at Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ControllingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:href="suz-20260630.xsd#suz_ControllingInterestInAcquireeRecognisedAtAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ControllingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:to="lab_suz_ControllingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RightOfUseAssetsWriteOffs_019ff75a-d483-7af7-86d4-1e38ab8684b9_negatedTerseLabel_en-US" xlink:label="lab_suz_RightOfUseAssetsWriteOffs" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Right-of-Use Assets, Write-Offs</link:label>
    <link:label id="lab_suz_RightOfUseAssetsWriteOffs_label_en-US" xlink:label="lab_suz_RightOfUseAssetsWriteOffs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-of-Use Assets, Write-Offs</link:label>
    <link:label id="lab_suz_RightOfUseAssetsWriteOffs_documentation_en-US" xlink:label="lab_suz_RightOfUseAssetsWriteOffs" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of write-offs to right-of-use assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RightOfUseAssetsWriteOffs" xlink:href="suz-20260630.xsd#suz_RightOfUseAssetsWriteOffs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RightOfUseAssetsWriteOffs" xlink:to="lab_suz_RightOfUseAssetsWriteOffs" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CerradoProjectMember_019ff75a-d5ab-7ca0-8e58-5b87f13fefb5_terseLabel_en-US" xlink:label="lab_suz_CerradoProjectMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cerrado Project</link:label>
    <link:label id="lab_suz_CerradoProjectMember_label_en-US" xlink:label="lab_suz_CerradoProjectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cerrado Project</link:label>
    <link:label id="lab_suz_CerradoProjectMember_documentation_en-US" xlink:label="lab_suz_CerradoProjectMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Cerrado Project.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CerradoProjectMember" xlink:href="suz-20260630.xsd#suz_CerradoProjectMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CerradoProjectMember" xlink:to="lab_suz_CerradoProjectMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RuralProducerNoteCPRMember_019ff75a-d5ab-71a2-854e-24194cef28c0_terseLabel_en-US" xlink:label="lab_suz_RuralProducerNoteCPRMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CPR ("Rural Product Notes")</link:label>
    <link:label id="lab_suz_RuralProducerNoteCPRMember_label_en-US" xlink:label="lab_suz_RuralProducerNoteCPRMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rural Producer Note (CPR) [Member]</link:label>
    <link:label id="lab_suz_RuralProducerNoteCPRMember_documentation_en-US" xlink:label="lab_suz_RuralProducerNoteCPRMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rural Producer Note (CPR) with Banco Safra,</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RuralProducerNoteCPRMember" xlink:href="suz-20260630.xsd#suz_RuralProducerNoteCPRMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RuralProducerNoteCPRMember" xlink:to="lab_suz_RuralProducerNoteCPRMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract_019ff75a-d484-75a4-818b-2884912bfe2d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RetainedEarningsTaxIncentivesMember_019ff75a-d484-7969-b1f6-7dad1cd31a8b_terseLabel_en-US" xlink:label="lab_suz_RetainedEarningsTaxIncentivesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax incentive reserve</link:label>
    <link:label id="lab_suz_RetainedEarningsTaxIncentivesMember_label_en-US" xlink:label="lab_suz_RetainedEarningsTaxIncentivesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings, Tax incentives [Member]</link:label>
    <link:label id="lab_suz_RetainedEarningsTaxIncentivesMember_documentation_en-US" xlink:label="lab_suz_RetainedEarningsTaxIncentivesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for tax incentives relating to retained earnings reserves.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RetainedEarningsTaxIncentivesMember" xlink:href="suz-20260630.xsd#suz_RetainedEarningsTaxIncentivesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RetainedEarningsTaxIncentivesMember" xlink:to="lab_suz_RetainedEarningsTaxIncentivesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_019ff75a-d50c-7163-95e7-6f688ffb60a4_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile profit (loss)</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile profit (loss) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PurchasePriceOfAcquiredOwnershipInterest_019ff75a-d5ab-70cf-90e3-caad7039c825_terseLabel_en-US" xlink:label="lab_suz_PurchasePriceOfAcquiredOwnershipInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consideration transferred</link:label>
    <link:label id="lab_suz_PurchasePriceOfAcquiredOwnershipInterest_label_en-US" xlink:label="lab_suz_PurchasePriceOfAcquiredOwnershipInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase price of acquired ownership interest</link:label>
    <link:label id="lab_suz_PurchasePriceOfAcquiredOwnershipInterest_documentation_en-US" xlink:label="lab_suz_PurchasePriceOfAcquiredOwnershipInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase price of acquired ownership interest - business combination</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PurchasePriceOfAcquiredOwnershipInterest" xlink:href="suz-20260630.xsd#suz_PurchasePriceOfAcquiredOwnershipInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PurchasePriceOfAcquiredOwnershipInterest" xlink:to="lab_suz_PurchasePriceOfAcquiredOwnershipInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Age0To24YearsMember_019ff75a-d5ab-7b87-8cb1-2ef86094b080_terseLabel_en-US" xlink:label="lab_suz_Age0To24YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial Assumption, Aging Factor, Ages: 0 to 24 years</link:label>
    <link:label id="lab_suz_Age0To24YearsMember_label_en-US" xlink:label="lab_suz_Age0To24YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial Assumption, Aging Factor, Ages: 0 to 24 years</link:label>
    <link:label id="lab_suz_Age0To24YearsMember_documentation_en-US" xlink:label="lab_suz_Age0To24YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for 0 to 24 years age.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Age0To24YearsMember" xlink:href="suz-20260630.xsd#suz_Age0To24YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Age0To24YearsMember" xlink:to="lab_suz_Age0To24YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfTransactionCostsAndPremiumsOfSecuritiesIssuesExplanatoryTableTextBlock_019ff75a-d5ab-76f5-92fc-7fb061774c9d_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfTransactionCostsAndPremiumsOfSecuritiesIssuesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Transaction Costs and Premiums of Securities Issues Explanatory</link:label>
    <link:label id="lab_suz_DisclosureOfTransactionCostsAndPremiumsOfSecuritiesIssuesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfTransactionCostsAndPremiumsOfSecuritiesIssuesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Transaction Costs and Premiums of Securities Issues Explanatory [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfTransactionCostsAndPremiumsOfSecuritiesIssuesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfTransactionCostsAndPremiumsOfSecuritiesIssuesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of transaction costs and premiums of securities issues.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfTransactionCostsAndPremiumsOfSecuritiesIssuesExplanatoryTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfTransactionCostsAndPremiumsOfSecuritiesIssuesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfTransactionCostsAndPremiumsOfSecuritiesIssuesExplanatoryTableTextBlock" xlink:to="lab_suz_DisclosureOfTransactionCostsAndPremiumsOfSecuritiesIssuesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_019ff75a-d50c-7228-b0d1-08ae37498089_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefit plans</link:label>
    <link:label id="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_label_en-US" xlink:label="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current net defined benefit liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:to="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AccumulatedTaxLossCarryforward_019ff75a-d484-7e70-8b3b-44dc9041d7a7_terseLabel_en-US" xlink:label="lab_suz_AccumulatedTaxLossCarryforward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax loss carried forward</link:label>
    <link:label id="lab_suz_AccumulatedTaxLossCarryforward_label_en-US" xlink:label="lab_suz_AccumulatedTaxLossCarryforward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Tax Loss Carryforward</link:label>
    <link:label id="lab_suz_AccumulatedTaxLossCarryforward_documentation_en-US" xlink:label="lab_suz_AccumulatedTaxLossCarryforward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of accumulated tax loss carryforward.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AccumulatedTaxLossCarryforward" xlink:href="suz-20260630.xsd#suz_AccumulatedTaxLossCarryforward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AccumulatedTaxLossCarryforward" xlink:to="lab_suz_AccumulatedTaxLossCarryforward" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_December2030Member_019ff75a-d50c-7b9a-ba0b-a9f7c443df91_terseLabel_en-US" xlink:label="lab_suz_December2030Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">December 2030</link:label>
    <link:label id="lab_suz_December2030Member_label_en-US" xlink:label="lab_suz_December2030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">December 2030 [Member]</link:label>
    <link:label id="lab_suz_December2030Member_documentation_en-US" xlink:label="lab_suz_December2030Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">December 2030</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_December2030Member" xlink:href="suz-20260630.xsd#suz_December2030Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_December2030Member" xlink:to="lab_suz_December2030Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SupplierAgreementsWithAverageRatePercentOf17.6PercentMember_019ff75a-d483-78dd-8fa8-d2478c6185b2_terseLabel_en-US" xlink:label="lab_suz_SupplierAgreementsWithAverageRatePercentOf17.6PercentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplier agreements</link:label>
    <link:label id="lab_suz_SupplierAgreementsWithAverageRatePercentOf17.6PercentMember_label_en-US" xlink:label="lab_suz_SupplierAgreementsWithAverageRatePercentOf17.6PercentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplier agreements, 17.64%</link:label>
    <link:label id="lab_suz_SupplierAgreementsWithAverageRatePercentOf17.6PercentMember_documentation_en-US" xlink:label="lab_suz_SupplierAgreementsWithAverageRatePercentOf17.6PercentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for supplier agreements with an average rate of 17.6%.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SupplierAgreementsWithAverageRatePercentOf17.6PercentMember" xlink:href="suz-20260630.xsd#suz_SupplierAgreementsWithAverageRatePercentOf17.6PercentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SupplierAgreementsWithAverageRatePercentOf17.6PercentMember" xlink:to="lab_suz_SupplierAgreementsWithAverageRatePercentOf17.6PercentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_December2040Member_019ff75a-d484-702d-8de2-c98c4fb50327_terseLabel_en-US" xlink:label="lab_suz_December2040Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">December 2040</link:label>
    <link:label id="lab_suz_December2040Member_label_en-US" xlink:label="lab_suz_December2040Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">December 2040 [Member]</link:label>
    <link:label id="lab_suz_December2040Member_documentation_en-US" xlink:label="lab_suz_December2040Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">December 2040</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_December2040Member" xlink:href="suz-20260630.xsd#suz_December2040Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_December2040Member" xlink:to="lab_suz_December2040Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SOFRFixedMember_019ff75a-d5ab-701c-a49e-fca954d9d6b7_terseLabel_en-US" xlink:label="lab_suz_SOFRFixedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SOFR/Fixed</link:label>
    <link:label id="lab_suz_SOFRFixedMember_label_en-US" xlink:label="lab_suz_SOFRFixedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SOFR/Fixed [Member]</link:label>
    <link:label id="lab_suz_SOFRFixedMember_documentation_en-US" xlink:label="lab_suz_SOFRFixedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SOFR/Fixed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SOFRFixedMember" xlink:href="suz-20260630.xsd#suz_SOFRFixedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SOFRFixedMember" xlink:to="lab_suz_SOFRFixedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LeaseLiabilitiesWriteOffs_019ff75a-d50c-77a7-bb81-653ac4eca092_negatedTerseLabel_en-US" xlink:label="lab_suz_LeaseLiabilitiesWriteOffs" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_suz_LeaseLiabilitiesWriteOffs_label_en-US" xlink:label="lab_suz_LeaseLiabilitiesWriteOffs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Liabilities, Write-Offs</link:label>
    <link:label id="lab_suz_LeaseLiabilitiesWriteOffs_documentation_en-US" xlink:label="lab_suz_LeaseLiabilitiesWriteOffs" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The decrease in lease liabilities due to write-offs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LeaseLiabilitiesWriteOffs" xlink:href="suz-20260630.xsd#suz_LeaseLiabilitiesWriteOffs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LeaseLiabilitiesWriteOffs" xlink:to="lab_suz_LeaseLiabilitiesWriteOffs" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PercentageOfOwnershipNotAcquired_019ff75a-d484-7b48-8d9d-35d86d9faa90_terseLabel_en-US" xlink:label="lab_suz_PercentageOfOwnershipNotAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of ownership not acquired</link:label>
    <link:label id="lab_suz_PercentageOfOwnershipNotAcquired_label_en-US" xlink:label="lab_suz_PercentageOfOwnershipNotAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Ownership Not Acquired</link:label>
    <link:label id="lab_suz_PercentageOfOwnershipNotAcquired_documentation_en-US" xlink:label="lab_suz_PercentageOfOwnershipNotAcquired" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Ownership Not Acquired</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PercentageOfOwnershipNotAcquired" xlink:href="suz-20260630.xsd#suz_PercentageOfOwnershipNotAcquired"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PercentageOfOwnershipNotAcquired" xlink:to="lab_suz_PercentageOfOwnershipNotAcquired" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory_019ff75a-d484-7001-9876-b0c089b2ea30_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments - Classification</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PartialRealizationOfDeemedCostNetOfTaxes_019ff75a-d484-77db-868f-ad4460ac8724_terseLabel_en-US" xlink:label="lab_suz_PartialRealizationOfDeemedCostNetOfTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Partial Realization of Deemed Cost, Net of Taxes</link:label>
    <link:label id="lab_suz_PartialRealizationOfDeemedCostNetOfTaxes_label_en-US" xlink:label="lab_suz_PartialRealizationOfDeemedCostNetOfTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Partial Realization of Deemed Cost, Net of Taxes</link:label>
    <link:label id="lab_suz_PartialRealizationOfDeemedCostNetOfTaxes_documentation_en-US" xlink:label="lab_suz_PartialRealizationOfDeemedCostNetOfTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of partial realization of deemed cost, net of taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PartialRealizationOfDeemedCostNetOfTaxes" xlink:href="suz-20260630.xsd#suz_PartialRealizationOfDeemedCostNetOfTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PartialRealizationOfDeemedCostNetOfTaxes" xlink:to="lab_suz_PartialRealizationOfDeemedCostNetOfTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxAssetReintegraProgramCredit_019ff75a-d484-7564-83d0-e9c1862ae239_terseLabel_en-US" xlink:label="lab_suz_TaxAssetReintegraProgramCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reintegra program (5)</link:label>
    <link:label id="lab_suz_TaxAssetReintegraProgramCredit_label_en-US" xlink:label="lab_suz_TaxAssetReintegraProgramCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Asset, Reintegra Program Credit</link:label>
    <link:label id="lab_suz_TaxAssetReintegraProgramCredit_documentation_en-US" xlink:label="lab_suz_TaxAssetReintegraProgramCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reintegra is a tax incentive program that aims to refund the residual costs of taxes paid throughout the exportation chain to taxpayers in order to make them more competitive on international markets. The credit is calculated by a percentage over on the qualified export revenues.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxAssetReintegraProgramCredit" xlink:href="suz-20260630.xsd#suz_TaxAssetReintegraProgramCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxAssetReintegraProgramCredit" xlink:to="lab_suz_TaxAssetReintegraProgramCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_NorthAmericaMember_019ff75a-d484-7933-851f-c558afa010ed_terseLabel_en-US" xlink:label="lab_srt_NorthAmericaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">North America</link:label>
    <link:label id="lab_srt_NorthAmericaMember_label_en-US" xlink:label="lab_srt_NorthAmericaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">North America [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NorthAmericaMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_NorthAmericaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_NorthAmericaMember" xlink:to="lab_srt_NorthAmericaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughActuarialGainsLosses_019ff75a-d5ab-7a4e-b6bd-e1e4fb3c50a5_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughActuarialGainsLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Actuarial Gains Losses</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughActuarialGainsLosses_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughActuarialGainsLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Actuarial Gains Losses</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughActuarialGainsLosses_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughActuarialGainsLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in equity resulting from actuarial gains (losses).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughActuarialGainsLosses" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughActuarialGainsLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughActuarialGainsLosses" xlink:to="lab_suz_IncreaseDecreaseThroughActuarialGainsLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTableTextBlock_019ff75a-d484-72b2-b68e-180e0b26e058_terseLabel_en-US" xlink:label="lab_suz_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of yield curves used to calculate fair value of derivative financial instruments</link:label>
    <link:label id="lab_suz_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTableTextBlock_label_en-US" xlink:label="lab_suz_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Inputs, Assets And Liabilities, Quantitative Information [Table Text Block]</link:label>
    <link:label id="lab_suz_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTableTextBlock_documentation_en-US" xlink:label="lab_suz_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of quantitative information about the inputs used in the fair value measurement of assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTableTextBlock" xlink:href="suz-20260630.xsd#suz_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTableTextBlock" xlink:to="lab_suz_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAssetsMember_019ff75a-d5ab-7a9f-96bf-d7b6e8eb6e44_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_ifrs-full_OtherAssetsMember_label_en-US" xlink:label="lab_ifrs-full_OtherAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAssetsMember" xlink:to="lab_ifrs-full_OtherAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PISCOFINSGoodsAndServices2009To2011Member_019ff75a-d50c-7998-8f1b-e5067c7665ec_terseLabel_en-US" xlink:label="lab_suz_PISCOFINSGoodsAndServices2009To2011Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PIS/COFINS - Goods and services - 2009 to 2011</link:label>
    <link:label id="lab_suz_PISCOFINSGoodsAndServices2009To2011Member_label_en-US" xlink:label="lab_suz_PISCOFINSGoodsAndServices2009To2011Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PIS/COFINS - Goods and services - 2009 to 2011 [Member]</link:label>
    <link:label id="lab_suz_PISCOFINSGoodsAndServices2009To2011Member_documentation_en-US" xlink:label="lab_suz_PISCOFINSGoodsAndServices2009To2011Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">PIS/COFINS - Goods and services - 2009 to 2011</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PISCOFINSGoodsAndServices2009To2011Member" xlink:href="suz-20260630.xsd#suz_PISCOFINSGoodsAndServices2009To2011Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PISCOFINSGoodsAndServices2009To2011Member" xlink:to="lab_suz_PISCOFINSGoodsAndServices2009To2011Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesDomain_019ff75a-d50c-7827-b7ab-5de3ba31e0f0_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of interest rates [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of interest rates [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfInterestRatesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfInterestRatesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesDomain" xlink:to="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_January2027Member_019ff75a-d5ab-7b60-b15b-a51331696a91_terseLabel_en-US" xlink:label="lab_suz_January2027Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">January 2027</link:label>
    <link:label id="lab_suz_January2027Member_label_en-US" xlink:label="lab_suz_January2027Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">January 2027 [Member]</link:label>
    <link:label id="lab_suz_January2027Member_documentation_en-US" xlink:label="lab_suz_January2027Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">January 2027</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_January2027Member" xlink:href="suz-20260630.xsd#suz_January2027Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_January2027Member" xlink:to="lab_suz_January2027Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_019ff75a-d50c-7310-a8d8-e5a5b27568c3_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:to="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BondMaturityDateMember_019ff75a-d50c-728c-a8d7-b6e202d3e249_terseLabel_en-US" xlink:label="lab_suz_BondMaturityDateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bond Maturity Date</link:label>
    <link:label id="lab_suz_BondMaturityDateMember_label_en-US" xlink:label="lab_suz_BondMaturityDateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bond Maturity Date [Member]</link:label>
    <link:label id="lab_suz_BondMaturityDateMember_documentation_en-US" xlink:label="lab_suz_BondMaturityDateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bond Maturity Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BondMaturityDateMember" xlink:href="suz-20260630.xsd#suz_BondMaturityDateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BondMaturityDateMember" xlink:to="lab_suz_BondMaturityDateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxEffectInterestOnOwnCapital_019ff75a-d484-70de-9a98-0d5350a5e454_terseLabel_en-US" xlink:label="lab_suz_TaxEffectInterestOnOwnCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effect interest on own capital</link:label>
    <link:label id="lab_suz_TaxEffectInterestOnOwnCapital_label_en-US" xlink:label="lab_suz_TaxEffectInterestOnOwnCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect interest on own capital</link:label>
    <link:label id="lab_suz_TaxEffectInterestOnOwnCapital_documentation_en-US" xlink:label="lab_suz_TaxEffectInterestOnOwnCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax effect interest on own capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxEffectInterestOnOwnCapital" xlink:href="suz-20260630.xsd#suz_TaxEffectInterestOnOwnCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxEffectInterestOnOwnCapital" xlink:to="lab_suz_TaxEffectInterestOnOwnCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ContributionWithEffectiveMinimumTaxOnProfit_019ff75a-d50c-76f9-b861-abe500b1fffd_terseLabel_en-US" xlink:label="lab_suz_ContributionWithEffectiveMinimumTaxOnProfit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contribution with effective minimum tax on profit</link:label>
    <link:label id="lab_suz_ContributionWithEffectiveMinimumTaxOnProfit_label_en-US" xlink:label="lab_suz_ContributionWithEffectiveMinimumTaxOnProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contribution with effective minimum tax on profit</link:label>
    <link:label id="lab_suz_ContributionWithEffectiveMinimumTaxOnProfit_documentation_en-US" xlink:label="lab_suz_ContributionWithEffectiveMinimumTaxOnProfit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contribution with effective minimum tax on profit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ContributionWithEffectiveMinimumTaxOnProfit" xlink:href="suz-20260630.xsd#suz_ContributionWithEffectiveMinimumTaxOnProfit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ContributionWithEffectiveMinimumTaxOnProfit" xlink:to="lab_suz_ContributionWithEffectiveMinimumTaxOnProfit" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativeAssetTemporaryDifference_019ff75a-d50c-7436-9507-c81d43f53092_terseLabel_en-US" xlink:label="lab_suz_DerivativeAssetTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, asset temporary difference</link:label>
    <link:label id="lab_suz_DerivativeAssetTemporaryDifference_label_en-US" xlink:label="lab_suz_DerivativeAssetTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Asset Temporary Difference</link:label>
    <link:label id="lab_suz_DerivativeAssetTemporaryDifference_documentation_en-US" xlink:label="lab_suz_DerivativeAssetTemporaryDifference" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative, Asset Temporary Difference</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativeAssetTemporaryDifference" xlink:href="suz-20260630.xsd#suz_DerivativeAssetTemporaryDifference"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativeAssetTemporaryDifference" xlink:to="lab_suz_DerivativeAssetTemporaryDifference" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxLossOffsetApprovedByTaxAuthorities_019ff75a-d484-714d-af8d-6dc71779b225_terseLabel_en-US" xlink:label="lab_suz_TaxLossOffsetApprovedByTaxAuthorities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax Loss Offset Approved By Tax Authorities</link:label>
    <link:label id="lab_suz_TaxLossOffsetApprovedByTaxAuthorities_label_en-US" xlink:label="lab_suz_TaxLossOffsetApprovedByTaxAuthorities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Loss Offset Approved By Tax Authorities</link:label>
    <link:label id="lab_suz_TaxLossOffsetApprovedByTaxAuthorities_documentation_en-US" xlink:label="lab_suz_TaxLossOffsetApprovedByTaxAuthorities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of tax loss offset approved by tax authorities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxLossOffsetApprovedByTaxAuthorities" xlink:href="suz-20260630.xsd#suz_TaxLossOffsetApprovedByTaxAuthorities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxLossOffsetApprovedByTaxAuthorities" xlink:to="lab_suz_TaxLossOffsetApprovedByTaxAuthorities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TissuePaperMember_019ff75a-d50c-71b6-a4f3-5e61e13df97b_terseLabel_en-US" xlink:label="lab_suz_TissuePaperMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tissue</link:label>
    <link:label id="lab_suz_TissuePaperMember_label_en-US" xlink:label="lab_suz_TissuePaperMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tissue</link:label>
    <link:label id="lab_suz_TissuePaperMember_documentation_en-US" xlink:label="lab_suz_TissuePaperMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The member stands for tissue paper.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TissuePaperMember" xlink:href="suz-20260630.xsd#suz_TissuePaperMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TissuePaperMember" xlink:to="lab_suz_TissuePaperMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_019ff75a-d50c-7c58-b275-966aaa418838_terseLabel_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments - sensitivity analysis</link:label>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_label_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity analysis for types of market risk [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:to="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_019ff75a-d3c2-744c-aab8-d1b352d6f7b6_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade accounts payable</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current trade payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_019ff75a-d50c-7bec-aa15-4a145c235a5a_totalLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BNDESUSMember_019ff75a-d5ab-7f69-828f-0dcfd03cbcae_terseLabel_en-US" xlink:label="lab_suz_BNDESUSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES &#8211; UMBNDES</link:label>
    <link:label id="lab_suz_BNDESUSMember_label_en-US" xlink:label="lab_suz_BNDESUSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNDES - US$ [Member]</link:label>
    <link:label id="lab_suz_BNDESUSMember_documentation_en-US" xlink:label="lab_suz_BNDESUSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BNDES - US$</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BNDESUSMember" xlink:href="suz-20260630.xsd#suz_BNDESUSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BNDESUSMember" xlink:to="lab_suz_BNDESUSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentToEBITDAOther_019ff75a-d484-7eea-bc17-315cbbdd8495_negatedTerseLabel_en-US" xlink:label="lab_suz_AdjustmentToEBITDAOther" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_suz_AdjustmentToEBITDAOther_label_en-US" xlink:label="lab_suz_AdjustmentToEBITDAOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment to EBITDA, Other</link:label>
    <link:label id="lab_suz_AdjustmentToEBITDAOther_documentation_en-US" xlink:label="lab_suz_AdjustmentToEBITDAOther" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment to EBITDA, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentToEBITDAOther" xlink:href="suz-20260630.xsd#suz_AdjustmentToEBITDAOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentToEBITDAOther" xlink:to="lab_suz_AdjustmentToEBITDAOther" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LongTermTakeOrPayContracts_019ff75a-d50c-7164-890a-ac26be37d732_terseLabel_en-US" xlink:label="lab_suz_LongTermTakeOrPayContracts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LongTermTake Or Pay Contracts</link:label>
    <link:label id="lab_suz_LongTermTakeOrPayContracts_label_en-US" xlink:label="lab_suz_LongTermTakeOrPayContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">LongTermTake Or Pay Contracts</link:label>
    <link:label id="lab_suz_LongTermTakeOrPayContracts_documentation_en-US" xlink:label="lab_suz_LongTermTakeOrPayContracts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Refers to long term take-or-pay agreements, which include purchase obligations for chemicals, transportation, and natural gas under non-cancellable contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LongTermTakeOrPayContracts" xlink:href="suz-20260630.xsd#suz_LongTermTakeOrPayContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LongTermTakeOrPayContracts" xlink:to="lab_suz_LongTermTakeOrPayContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherFinanceCost_019ff75a-d5ab-7111-8dac-0ed01f6b846e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_OtherFinanceCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherFinanceCost_label_en-US" xlink:label="lab_ifrs-full_OtherFinanceCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other finance cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinanceCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFinanceCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinanceCost" xlink:to="lab_ifrs-full_OtherFinanceCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilities_019ff75a-d5ab-7fca-848c-cfa39feb1095_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial liabilities</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_DerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis_019ff75a-d484-754b-bec6-cba0edb00a76_terseLabel_en-US" xlink:label="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Characteristics of defined benefit plans [axis]</link:label>
    <link:label id="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis_label_en-US" xlink:label="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Characteristics of defined benefit plans [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis" xlink:to="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrazilianFederalLongTermInterestRateMember_019ff75a-d50c-7a14-89ba-e48c21112398_terseLabel_en-US" xlink:label="lab_suz_BrazilianFederalLongTermInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES &#8211; TJLP</link:label>
    <link:label id="lab_suz_BrazilianFederalLongTermInterestRateMember_label_en-US" xlink:label="lab_suz_BrazilianFederalLongTermInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TJLP</link:label>
    <link:label id="lab_suz_BrazilianFederalLongTermInterestRateMember_documentation_en-US" xlink:label="lab_suz_BrazilianFederalLongTermInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Brazilian federal long-term interest rate (TJLP).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrazilianFederalLongTermInterestRateMember" xlink:href="suz-20260630.xsd#suz_BrazilianFederalLongTermInterestRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrazilianFederalLongTermInterestRateMember" xlink:to="lab_suz_BrazilianFederalLongTermInterestRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory_019ff75a-d484-787b-9a4c-00980a88348e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_019ff75a-d50c-7c60-83c0-217fcc37324e_terseLabel_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quantity</link:label>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_label_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ordinary shares [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OrdinarySharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OrdinarySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OrdinarySharesMember" xlink:to="lab_ifrs-full_OrdinarySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_019ff75a-d484-7d43-9c82-854a0aeebafe_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average number of potential shares (stock options) - in thousands</link:label>
    <link:label id="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_label_en-US" xlink:label="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dilutive effect of share options on weighted average number of ordinary shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:to="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_StockRepurchaseProgramNumberOfSharesAuthorizedToBeExercised_019ff75a-d50c-7138-89a5-d4b0e0a39831_terseLabel_en-US" xlink:label="lab_suz_StockRepurchaseProgramNumberOfSharesAuthorizedToBeExercised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercised</link:label>
    <link:label id="lab_suz_StockRepurchaseProgramNumberOfSharesAuthorizedToBeExercised_label_en-US" xlink:label="lab_suz_StockRepurchaseProgramNumberOfSharesAuthorizedToBeExercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchase Program, Number of Shares Authorized to be Exercised</link:label>
    <link:label id="lab_suz_StockRepurchaseProgramNumberOfSharesAuthorizedToBeExercised_documentation_en-US" xlink:label="lab_suz_StockRepurchaseProgramNumberOfSharesAuthorizedToBeExercised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_StockRepurchaseProgramNumberOfSharesAuthorizedToBeExercised" xlink:href="suz-20260630.xsd#suz_StockRepurchaseProgramNumberOfSharesAuthorizedToBeExercised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_StockRepurchaseProgramNumberOfSharesAuthorizedToBeExercised" xlink:to="lab_suz_StockRepurchaseProgramNumberOfSharesAuthorizedToBeExercised" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RealizationOfDeemedCostMember_019ff75a-d50c-79a4-8ae1-fd977f7d24d7_terseLabel_en-US" xlink:label="lab_suz_RealizationOfDeemedCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Realization of deemed cost, net of taxes</link:label>
    <link:label id="lab_suz_RealizationOfDeemedCostMember_label_en-US" xlink:label="lab_suz_RealizationOfDeemedCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Realization of deemed cost, net of taxes</link:label>
    <link:label id="lab_suz_RealizationOfDeemedCostMember_documentation_en-US" xlink:label="lab_suz_RealizationOfDeemedCostMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for realization of deemed cost, net of taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RealizationOfDeemedCostMember" xlink:href="suz-20260630.xsd#suz_RealizationOfDeemedCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RealizationOfDeemedCostMember" xlink:to="lab_suz_RealizationOfDeemedCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019ff75a-d50c-7d35-913a-99f283b27816_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated cost</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019ff75a-d50c-7770-b057-c802be31c3a5_verboseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cost</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossCarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossCarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossCarryingAmountMember" xlink:to="lab_ifrs-full_GrossCarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_019ff75a-d484-7bc3-b639-604eba400d84_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of inventories [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of inventories [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInventoriesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_InventoriesTable_019ff75a-d50c-7409-ba6e-dc5ecfdc4f93_terseLabel_en-US" xlink:label="lab_suz_InventoriesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories [Table]</link:label>
    <link:label id="lab_suz_InventoriesTable_label_en-US" xlink:label="lab_suz_InventoriesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventories [Table]</link:label>
    <link:label id="lab_suz_InventoriesTable_documentation_en-US" xlink:label="lab_suz_InventoriesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventories [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_InventoriesTable" xlink:href="suz-20260630.xsd#suz_InventoriesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_InventoriesTable" xlink:to="lab_suz_InventoriesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForFinanceCosts_019ff75a-d484-752b-ba5e-075142521cd2_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForFinanceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments for finance costs</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForFinanceCosts_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForFinanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for finance costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForFinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForFinanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForFinanceCosts" xlink:to="lab_ifrs-full_AdjustmentsForFinanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MarketableSecuritiesCurrentAsset_019ff75a-d484-75af-a20c-aa222dbb21e5_terseLabel_en-US" xlink:label="lab_suz_MarketableSecuritiesCurrentAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_suz_MarketableSecuritiesCurrentAsset_label_en-US" xlink:label="lab_suz_MarketableSecuritiesCurrentAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities Current asset</link:label>
    <link:label id="lab_suz_MarketableSecuritiesCurrentAsset_documentation_en-US" xlink:label="lab_suz_MarketableSecuritiesCurrentAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of investments in debt and equity securities which have original maturities over to 90 days, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MarketableSecuritiesCurrentAsset" xlink:href="suz-20260630.xsd#suz_MarketableSecuritiesCurrentAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MarketableSecuritiesCurrentAsset" xlink:to="lab_suz_MarketableSecuritiesCurrentAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_019ff75a-d50c-7535-92f5-925a995bd159_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DebtIssuanceCostsGross_019ff75a-d3c2-768e-a292-747444c8126a_terseLabel_en-US" xlink:label="lab_suz_DebtIssuanceCostsGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost</link:label>
    <link:label id="lab_suz_DebtIssuanceCostsGross_label_en-US" xlink:label="lab_suz_DebtIssuanceCostsGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Issuance Costs, Gross</link:label>
    <link:label id="lab_suz_DebtIssuanceCostsGross_documentation_en-US" xlink:label="lab_suz_DebtIssuanceCostsGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DebtIssuanceCostsGross" xlink:href="suz-20260630.xsd#suz_DebtIssuanceCostsGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DebtIssuanceCostsGross" xlink:to="lab_suz_DebtIssuanceCostsGross" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax_019ff75a-d484-7204-95e9-c212a2063775_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange rate variations on conversion of financial information of the subsidiaries abroad (2)</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on exchange differences on translation of foreign operations, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:to="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_EuropeMember_019ff75a-d50c-79c7-8365-764175cde8a3_terseLabel_en-US" xlink:label="lab_srt_EuropeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Europe</link:label>
    <link:label id="lab_srt_EuropeMember_label_en-US" xlink:label="lab_srt_EuropeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Europe [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EuropeMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_EuropeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_EuropeMember" xlink:to="lab_srt_EuropeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_019ff75a-d50c-75b6-beb5-9dcafe3cea66_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2026</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneYearMember" xlink:to="lab_ifrs-full_NotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FundacaoArymaxMember_019ff75a-d50c-7a4a-8664-08321c065f3d_terseLabel_en-US" xlink:label="lab_suz_FundacaoArymaxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fundacao Arymax</link:label>
    <link:label id="lab_suz_FundacaoArymaxMember_label_en-US" xlink:label="lab_suz_FundacaoArymaxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fundacao Arymax</link:label>
    <link:label id="lab_suz_FundacaoArymaxMember_documentation_en-US" xlink:label="lab_suz_FundacaoArymaxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Fundacao Arymax, a related party, controlled by key management personnel.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FundacaoArymaxMember" xlink:href="suz-20260630.xsd#suz_FundacaoArymaxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FundacaoArymaxMember" xlink:to="lab_suz_FundacaoArymaxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RestrictedStockYearOne_019ff75a-d484-7a42-bbd7-ddc778ac0d58_terseLabel_en-US" xlink:label="lab_suz_RestrictedStockYearOne" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock, year one</link:label>
    <link:label id="lab_suz_RestrictedStockYearOne_label_en-US" xlink:label="lab_suz_RestrictedStockYearOne" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock, Year One</link:label>
    <link:label id="lab_suz_RestrictedStockYearOne_documentation_en-US" xlink:label="lab_suz_RestrictedStockYearOne" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RestrictedStockYearOne" xlink:href="suz-20260630.xsd#suz_RestrictedStockYearOne"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RestrictedStockYearOne" xlink:to="lab_suz_RestrictedStockYearOne" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SpecialSettlementAndCustodySystemMember_019ff75a-d50c-7b0e-89b5-b2d0e7fdc96d_terseLabel_en-US" xlink:label="lab_suz_SpecialSettlementAndCustodySystemMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES &#8211; SELIC</link:label>
    <link:label id="lab_suz_SpecialSettlementAndCustodySystemMember_label_en-US" xlink:label="lab_suz_SpecialSettlementAndCustodySystemMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SELIC</link:label>
    <link:label id="lab_suz_SpecialSettlementAndCustodySystemMember_documentation_en-US" xlink:label="lab_suz_SpecialSettlementAndCustodySystemMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Special Settlement and Custody System ("Selic").</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SpecialSettlementAndCustodySystemMember" xlink:href="suz-20260630.xsd#suz_SpecialSettlementAndCustodySystemMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SpecialSettlementAndCustodySystemMember" xlink:to="lab_suz_SpecialSettlementAndCustodySystemMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract_019ff75a-d5ab-77a5-9705-393b3ed35037_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TransactionsWithControllingShareholdersMember_019ff75a-d50c-7356-a0e5-aa7b00fc9db3_terseLabel_en-US" xlink:label="lab_suz_TransactionsWithControllingShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with majority shareholders</link:label>
    <link:label id="lab_suz_TransactionsWithControllingShareholdersMember_label_en-US" xlink:label="lab_suz_TransactionsWithControllingShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions with controlling shareholders</link:label>
    <link:label id="lab_suz_TransactionsWithControllingShareholdersMember_documentation_en-US" xlink:label="lab_suz_TransactionsWithControllingShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for transactions with controlling shareholders.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TransactionsWithControllingShareholdersMember" xlink:href="suz-20260630.xsd#suz_TransactionsWithControllingShareholdersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TransactionsWithControllingShareholdersMember" xlink:to="lab_suz_TransactionsWithControllingShareholdersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Bonds2029Member_019ff75a-d5ab-7e05-8452-9538f2441e71_terseLabel_en-US" xlink:label="lab_suz_Bonds2029Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds 2029</link:label>
    <link:label id="lab_suz_Bonds2029Member_label_en-US" xlink:label="lab_suz_Bonds2029Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bonds 2029 [Member]</link:label>
    <link:label id="lab_suz_Bonds2029Member_documentation_en-US" xlink:label="lab_suz_Bonds2029Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bonds 2029</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Bonds2029Member" xlink:href="suz-20260630.xsd#suz_Bonds2029Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Bonds2029Member" xlink:to="lab_suz_Bonds2029Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract_019ff75a-d50c-7485-b5e8-ad7e9d44f875_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current portion of non-current borrowings, by type [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:to="lab_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsWagesAndSalaries_019ff75a-d5ab-7429-98e2-69e0cfe872c1_terseLabel_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsWagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Salary or compensation</link:label>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsWagesAndSalaries_label_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsWagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation, Short Term Employee Benefits, Wages And Salaries</link:label>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsWagesAndSalaries_documentation_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsWagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of compensation to key management personnel in the form of salary.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsWagesAndSalaries" xlink:href="suz-20260630.xsd#suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsWagesAndSalaries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsWagesAndSalaries" xlink:to="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsWagesAndSalaries" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfPositionsOfDerivativeFinancialInstrumentsTableTextBlock_019ff75a-d50c-7b2a-b934-2ce38233dbe4_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfPositionsOfDerivativeFinancialInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments - Outstanding assets and liabilities</link:label>
    <link:label id="lab_suz_DisclosureOfPositionsOfDerivativeFinancialInstrumentsTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfPositionsOfDerivativeFinancialInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Positions of Derivative Financial Instruments [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfPositionsOfDerivativeFinancialInstrumentsTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfPositionsOfDerivativeFinancialInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of Positions of Derivative Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfPositionsOfDerivativeFinancialInstrumentsTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfPositionsOfDerivativeFinancialInstrumentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfPositionsOfDerivativeFinancialInstrumentsTableTextBlock" xlink:to="lab_suz_DisclosureOfPositionsOfDerivativeFinancialInstrumentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivablesAbstract_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivablesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other current receivables [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentReceivablesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivablesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentReceivablesAbstract" xlink:to="lab_ifrs-full_TradeAndOtherCurrentReceivablesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapVLSFOBrentMember_019ff75a-d50c-7ea0-8e8c-17c0b28ebd89_terseLabel_en-US" xlink:label="lab_suz_SwapVLSFOBrentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap VLSFO/Brent</link:label>
    <link:label id="lab_suz_SwapVLSFOBrentMember_label_en-US" xlink:label="lab_suz_SwapVLSFOBrentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap VLSFO/Brent [Member]</link:label>
    <link:label id="lab_suz_SwapVLSFOBrentMember_documentation_en-US" xlink:label="lab_suz_SwapVLSFOBrentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap VLSFO/Brent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapVLSFOBrentMember" xlink:href="suz-20260630.xsd#suz_SwapVLSFOBrentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapVLSFOBrentMember" xlink:to="lab_suz_SwapVLSFOBrentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DeferredTaxesAsOfAcquisitionDateFairValueAdjustment_019ff75a-d5ab-7e1a-8ed3-696a47d2ba77_terseLabel_en-US" xlink:label="lab_suz_DeferredTaxesAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes, net</link:label>
    <link:label id="lab_suz_DeferredTaxesAsOfAcquisitionDateFairValueAdjustment_label_en-US" xlink:label="lab_suz_DeferredTaxesAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Taxes As Of Acquisition Date, Fair Value Adjustment</link:label>
    <link:label id="lab_suz_DeferredTaxesAsOfAcquisitionDateFairValueAdjustment_documentation_en-US" xlink:label="lab_suz_DeferredTaxesAsOfAcquisitionDateFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Taxes As Of Acquisition Date, Fair Value Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DeferredTaxesAsOfAcquisitionDateFairValueAdjustment" xlink:href="suz-20260630.xsd#suz_DeferredTaxesAsOfAcquisitionDateFairValueAdjustment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DeferredTaxesAsOfAcquisitionDateFairValueAdjustment" xlink:to="lab_suz_DeferredTaxesAsOfAcquisitionDateFairValueAdjustment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember_019ff75a-d50c-79cc-9a53-810da7424913_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">At fair value through profit or loss</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at fair value through profit or loss, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_StockCanceledDuringPeriodShares_019ff75a-d484-7fcb-b7cf-6de3a7f2ebe7_terseLabel_en-US" xlink:label="lab_suz_StockCanceledDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock canceled During Period, Shares</link:label>
    <link:label id="lab_suz_StockCanceledDuringPeriodShares_label_en-US" xlink:label="lab_suz_StockCanceledDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock canceled During Period, Shares</link:label>
    <link:label id="lab_suz_StockCanceledDuringPeriodShares_documentation_en-US" xlink:label="lab_suz_StockCanceledDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock canceled During Period, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_StockCanceledDuringPeriodShares" xlink:href="suz-20260630.xsd#suz_StockCanceledDuringPeriodShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_StockCanceledDuringPeriodShares" xlink:to="lab_suz_StockCanceledDuringPeriodShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables_019ff75a-d50c-7fbe-89c4-fd32a9b09742_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision (reversal) for doubtful accounts, net</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, trade and other receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" xlink:to="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProvisionsReversalsNet_019ff75a-d5ab-77ac-8203-520d92ab6e5e_terseLabel_en-US" xlink:label="lab_suz_ProvisionsReversalsNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Provisions)/Reversals, net</link:label>
    <link:label id="lab_suz_ProvisionsReversalsNet_label_en-US" xlink:label="lab_suz_ProvisionsReversalsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">(Provisions)/Reversals, net</link:label>
    <link:label id="lab_suz_ProvisionsReversalsNet_documentation_en-US" xlink:label="lab_suz_ProvisionsReversalsNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">(Provisions)/Reversals, net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProvisionsReversalsNet" xlink:href="suz-20260630.xsd#suz_ProvisionsReversalsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProvisionsReversalsNet" xlink:to="lab_suz_ProvisionsReversalsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_VestingDomain_019ff75a-d50c-728f-ad8f-552738108698_terseLabel_en-US" xlink:label="lab_suz_VestingDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:label id="lab_suz_VestingDomain_label_en-US" xlink:label="lab_suz_VestingDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:label id="lab_suz_VestingDomain_documentation_en-US" xlink:label="lab_suz_VestingDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_VestingDomain" xlink:href="suz-20260630.xsd#suz_VestingDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_VestingDomain" xlink:to="lab_suz_VestingDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DescriptionOfNatureOfImpendingChangeInAccountingPolicyPolicyTextBlock_019ff75a-d484-7906-b690-e42d87582ca9_verboseLabel_en-US" xlink:label="lab_suz_DescriptionOfNatureOfImpendingChangeInAccountingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounting policies not yet adopted</link:label>
    <link:label id="lab_suz_DescriptionOfNatureOfImpendingChangeInAccountingPolicyPolicyTextBlock_label_en-US" xlink:label="lab_suz_DescriptionOfNatureOfImpendingChangeInAccountingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of nature of impending change in accounting policy [Policy Text Block]</link:label>
    <link:label id="lab_suz_DescriptionOfNatureOfImpendingChangeInAccountingPolicyPolicyTextBlock_documentation_en-US" xlink:label="lab_suz_DescriptionOfNatureOfImpendingChangeInAccountingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description of nature of impending change in accounting policy</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DescriptionOfNatureOfImpendingChangeInAccountingPolicyPolicyTextBlock" xlink:href="suz-20260630.xsd#suz_DescriptionOfNatureOfImpendingChangeInAccountingPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DescriptionOfNatureOfImpendingChangeInAccountingPolicyPolicyTextBlock" xlink:to="lab_suz_DescriptionOfNatureOfImpendingChangeInAccountingPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherOperatingIncomeNet_019ff75a-d484-7556-8a30-6e129b3322eb_negatedTerseLabel_en-US" xlink:label="lab_suz_OtherOperatingIncomeNet" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other operating income, net</link:label>
    <link:label id="lab_suz_OtherOperatingIncomeNet_label_en-US" xlink:label="lab_suz_OtherOperatingIncomeNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Income, net</link:label>
    <link:label id="lab_suz_OtherOperatingIncomeNet_documentation_en-US" xlink:label="lab_suz_OtherOperatingIncomeNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the net amount of other operating income and expenses not classified in other specific operating line items.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherOperatingIncomeNet" xlink:href="suz-20260630.xsd#suz_OtherOperatingIncomeNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherOperatingIncomeNet" xlink:to="lab_suz_OtherOperatingIncomeNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019ff75a-d50c-7e48-ae54-84196ce0ab4c_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans, financing and debentures</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019ff75a-d50c-739f-8b83-0582f3f7171b_totalLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Loans, financing and debentures</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019ff75a-d50c-7533-af54-039fa8ac689e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Non-current portion of non-current borrowings</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_label_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current portion of non-current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowings" xlink:to="lab_ifrs-full_LongtermBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FibriaCeluloseUsaInc.Member_019ff75a-d3c2-786d-a5b4-f769d9d2730c_terseLabel_en-US" xlink:label="lab_suz_FibriaCeluloseUsaInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fibria Celulose (USA) Inc. (Direct)</link:label>
    <link:label id="lab_suz_FibriaCeluloseUsaInc.Member_label_en-US" xlink:label="lab_suz_FibriaCeluloseUsaInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fibria Celulose (USA) Inc.</link:label>
    <link:label id="lab_suz_FibriaCeluloseUsaInc.Member_documentation_en-US" xlink:label="lab_suz_FibriaCeluloseUsaInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Fibria Celulose (USA) Inc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FibriaCeluloseUsaInc.Member" xlink:href="suz-20260630.xsd#suz_FibriaCeluloseUsaInc.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FibriaCeluloseUsaInc.Member" xlink:to="lab_suz_FibriaCeluloseUsaInc.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_019ff75a-d5ab-7858-818b-01b4d4965cce_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashTransferred_019ff75a-d5ab-7d4c-8eea-f5c84b046182_terseLabel_en-US" xlink:label="lab_ifrs-full_CashTransferred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consideration transferred</link:label>
    <link:label id="lab_ifrs-full_CashTransferred_label_en-US" xlink:label="lab_ifrs-full_CashTransferred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash transferred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashTransferred" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashTransferred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashTransferred" xlink:to="lab_ifrs-full_CashTransferred" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentMember_019ff75a-d50c-729b-9d72-87aa4b57df3e_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment [member]</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems_019ff75a-d50c-73c6-ac2a-0bfd2e721c4c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesIncurred_019ff75a-d5ab-720a-8a82-7ba24138ce27_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesIncurred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition cost of the call option</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesIncurred_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesIncurred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities incurred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesIncurred" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesIncurred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesIncurred" xlink:to="lab_ifrs-full_LiabilitiesIncurred" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PropertyPlantAndEquipmentInterestCostsCapitalised_019ff75a-d50c-7ad8-9cb0-79f496cb4909_terseLabel_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentInterestCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Interest Costs Capitalised</link:label>
    <link:label id="lab_suz_PropertyPlantAndEquipmentInterestCostsCapitalised_label_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentInterestCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Interest Costs Capitalised</link:label>
    <link:label id="lab_suz_PropertyPlantAndEquipmentInterestCostsCapitalised_documentation_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentInterestCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of interest costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition of property, plant and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PropertyPlantAndEquipmentInterestCostsCapitalised" xlink:href="suz-20260630.xsd#suz_PropertyPlantAndEquipmentInterestCostsCapitalised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PropertyPlantAndEquipmentInterestCostsCapitalised" xlink:to="lab_suz_PropertyPlantAndEquipmentInterestCostsCapitalised" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_019ff75a-d50c-7414-85d5-2624c481836c_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OperatingIncomeExpensesAbstract_019ff75a-d50c-73fc-9e00-2d59b8bd14df_terseLabel_en-US" xlink:label="lab_suz_OperatingIncomeExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Income (Expenses) [Abstract]</link:label>
    <link:label id="lab_suz_OperatingIncomeExpensesAbstract_label_en-US" xlink:label="lab_suz_OperatingIncomeExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Income (Expenses) [Abstract]</link:label>
    <link:label id="lab_suz_OperatingIncomeExpensesAbstract_documentation_en-US" xlink:label="lab_suz_OperatingIncomeExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Income (Expenses)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OperatingIncomeExpensesAbstract" xlink:href="suz-20260630.xsd#suz_OperatingIncomeExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OperatingIncomeExpensesAbstract" xlink:to="lab_suz_OperatingIncomeExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_019ff75a-d5ab-7a7c-93f6-a75c29d23fec_totalLabel_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total consideration transferred in the business combination</link:label>
    <link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_label_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consideration transferred, acquisition-date fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:to="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_019ff75a-d484-7e5e-a404-fa5341c0cc36_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from loans, financing and debentures</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019ff75a-d484-741b-8353-4596f23b7761_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</link:label>
    <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_label_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_019ff75a-d5ab-72ce-9d40-d5e378427c80_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payment of leases</link:label>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of lease liabilities, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LowRiskMember_019ff75a-d5ab-718a-9ff0-8d4be28476e9_terseLabel_en-US" xlink:label="lab_suz_LowRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Low Risk</link:label>
    <link:label id="lab_suz_LowRiskMember_label_en-US" xlink:label="lab_suz_LowRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Low Risk member</link:label>
    <link:label id="lab_suz_LowRiskMember_documentation_en-US" xlink:label="lab_suz_LowRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Entity's internal credit quality assessment of low risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LowRiskMember" xlink:href="suz-20260630.xsd#suz_LowRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LowRiskMember" xlink:to="lab_suz_LowRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems_019ff75a-d484-714e-8a2f-686058ca33f5_terseLabel_en-US" xlink:label="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Changes in Lease Libilities [Line Items]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems_label_en-US" xlink:label="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Changes in Lease Libilities [Line Items]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems_documentation_en-US" xlink:label="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Changes in Lease Libilities [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems" xlink:href="suz-20260630.xsd#suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems" xlink:to="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ZeroCostCollarMember_019ff75a-d50c-71c7-a73d-5891f68797de_terseLabel_en-US" xlink:label="lab_suz_ZeroCostCollarMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Zero Cost Collar</link:label>
    <link:label id="lab_suz_ZeroCostCollarMember_label_en-US" xlink:label="lab_suz_ZeroCostCollarMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ZCC</link:label>
    <link:label id="lab_suz_ZeroCostCollarMember_documentation_en-US" xlink:label="lab_suz_ZeroCostCollarMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for positions in an instrument consisting of a simultaneous combination of purchase of put options and sale of call options in dollars, with the same principal amount and maturity, in order to hedge cash flows from exports. According to this strategy, a range is fixed where there is no deposit or receipt of a financial margin on position adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ZeroCostCollarMember" xlink:href="suz-20260630.xsd#suz_ZeroCostCollarMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ZeroCostCollarMember" xlink:to="lab_suz_ZeroCostCollarMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AssetRetirementObligation_019ff75a-d50c-73f9-82f7-b6a3056a75cd_terseLabel_en-US" xlink:label="lab_suz_AssetRetirementObligation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Asset Retirement Obligation</link:label>
    <link:label id="lab_suz_AssetRetirementObligation_label_en-US" xlink:label="lab_suz_AssetRetirementObligation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asset Retirement Obligation</link:label>
    <link:label id="lab_suz_AssetRetirementObligation_documentation_en-US" xlink:label="lab_suz_AssetRetirementObligation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of the provision Asset retirement obligation of industrial landfills.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AssetRetirementObligation" xlink:href="suz-20260630.xsd#suz_AssetRetirementObligation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AssetRetirementObligation" xlink:to="lab_suz_AssetRetirementObligation" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfOtherProducts_019ff75a-d5ab-71aa-8129-8cc3886c00a8_negatedTerseLabel_en-US" xlink:label="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfOtherProducts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Results from sales of other products, net</link:label>
    <link:label id="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfOtherProducts_label_en-US" xlink:label="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfOtherProducts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Income (Expense) from Disposal of Other Products</link:label>
    <link:label id="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfOtherProducts_documentation_en-US" xlink:label="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfOtherProducts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of Result from sale of other products, net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherOperatingIncomeExpenseFromDisposalOfOtherProducts" xlink:href="suz-20260630.xsd#suz_OtherOperatingIncomeExpenseFromDisposalOfOtherProducts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherOperatingIncomeExpenseFromDisposalOfOtherProducts" xlink:to="lab_suz_OtherOperatingIncomeExpenseFromDisposalOfOtherProducts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives_019ff75a-d484-7916-8341-b0ed2ed27a07_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Expenses</link:label>
    <link:label id="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives_label_en-US" xlink:label="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Losses on change in fair value of derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LossesOnChangeInFairValueOfDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_019ff75a-d50c-71c8-907e-08b0176884fb_terseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in subsidiary</link:label>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_label_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in subsidiary</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_January2031Member_019ff75a-d5ab-717d-a2a1-2ea76a35b983_terseLabel_en-US" xlink:label="lab_suz_January2031Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">January 2031</link:label>
    <link:label id="lab_suz_January2031Member_label_en-US" xlink:label="lab_suz_January2031Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">January 2031 [Member]</link:label>
    <link:label id="lab_suz_January2031Member_documentation_en-US" xlink:label="lab_suz_January2031Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">January 2031</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_January2031Member" xlink:href="suz-20260630.xsd#suz_January2031Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_January2031Member" xlink:to="lab_suz_January2031Member" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_019ff75a-d50c-76d0-a053-22670438ec99_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_019ff75a-d5ab-74e7-96c2-667d9532fd4a_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_019ff75a-d5ab-7910-a221-089babe7e5a5_verboseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings per common share &#8211; R$</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShare" xlink:to="lab_ifrs-full_BasicEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_019ff75a-d50c-7e13-bbf4-cb30c3295114_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange rate and monetary variations, net</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for unrealised foreign exchange losses (gains)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:to="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_StockCanceledDuringPeriodMarketValue_019ff75a-d50c-74f8-8852-a50dfde7393f_terseLabel_en-US" xlink:label="lab_suz_StockCanceledDuringPeriodMarketValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Canceled</link:label>
    <link:label id="lab_suz_StockCanceledDuringPeriodMarketValue_label_en-US" xlink:label="lab_suz_StockCanceledDuringPeriodMarketValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Canceled During Period, Market Value</link:label>
    <link:label id="lab_suz_StockCanceledDuringPeriodMarketValue_documentation_en-US" xlink:label="lab_suz_StockCanceledDuringPeriodMarketValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock Canceled During Period, Market Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_StockCanceledDuringPeriodMarketValue" xlink:href="suz-20260630.xsd#suz_StockCanceledDuringPeriodMarketValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_StockCanceledDuringPeriodMarketValue" xlink:to="lab_suz_StockCanceledDuringPeriodMarketValue" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughFairValueAdjustmentOnBusinessCombinationAmortizationDeferredTaxLiabilityAsset_019ff75a-d484-7365-a369-5d7c451b3111_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughFairValueAdjustmentOnBusinessCombinationAmortizationDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of fair value adjustments arising from business combinations</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughFairValueAdjustmentOnBusinessCombinationAmortizationDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughFairValueAdjustmentOnBusinessCombinationAmortizationDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Fair Value Adjustment on Business Combination, Amortization, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughFairValueAdjustmentOnBusinessCombinationAmortizationDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughFairValueAdjustmentOnBusinessCombinationAmortizationDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from fair value adjustment on business combination, Amortization.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughFairValueAdjustmentOnBusinessCombinationAmortizationDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughFairValueAdjustmentOnBusinessCombinationAmortizationDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughFairValueAdjustmentOnBusinessCombinationAmortizationDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughFairValueAdjustmentOnBusinessCombinationAmortizationDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiquidityRiskMember_019ff75a-d5ab-7de7-9851-b8b0a651b442_terseLabel_en-US" xlink:label="lab_ifrs-full_LiquidityRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liquidity risk [member]</link:label>
    <link:label id="lab_ifrs-full_LiquidityRiskMember_label_en-US" xlink:label="lab_ifrs-full_LiquidityRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liquidity risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiquidityRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiquidityRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiquidityRiskMember" xlink:to="lab_ifrs-full_LiquidityRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherRestrictedFinancialInvestmentMember_019ff75a-d484-70e2-b0cb-b88773e8a4b7_terseLabel_en-US" xlink:label="lab_suz_OtherRestrictedFinancialInvestmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other (Restricted financial investment)</link:label>
    <link:label id="lab_suz_OtherRestrictedFinancialInvestmentMember_label_en-US" xlink:label="lab_suz_OtherRestrictedFinancialInvestmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other (Restricted financial investment) [Member]</link:label>
    <link:label id="lab_suz_OtherRestrictedFinancialInvestmentMember_documentation_en-US" xlink:label="lab_suz_OtherRestrictedFinancialInvestmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other (Restricted financial investment)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherRestrictedFinancialInvestmentMember" xlink:href="suz-20260630.xsd#suz_OtherRestrictedFinancialInvestmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherRestrictedFinancialInvestmentMember" xlink:to="lab_suz_OtherRestrictedFinancialInvestmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MeasurementAxis_019ff75a-d50c-70ba-9a94-38913de8aa63_terseLabel_en-US" xlink:label="lab_ifrs-full_MeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement [axis]</link:label>
    <link:label id="lab_ifrs-full_MeasurementAxis_label_en-US" xlink:label="lab_ifrs-full_MeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementAxis" xlink:to="lab_ifrs-full_MeasurementAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_019ff75a-d50c-74a4-b490-5c80bfa2f7e3_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of shares (diluted) &#8211; in thousands</link:label>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating diluted earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustedWeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:to="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CompanysOperationsAbstract_019ff75a-d484-7a9f-a1a9-1292e457089c_terseLabel_en-US" xlink:label="lab_suz_CompanysOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Company&#180;s Operations [Abstract]</link:label>
    <link:label id="lab_suz_CompanysOperationsAbstract_label_en-US" xlink:label="lab_suz_CompanysOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Company&#180;s Operations [Abstract]</link:label>
    <link:label id="lab_suz_CompanysOperationsAbstract_documentation_en-US" xlink:label="lab_suz_CompanysOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Company&#180;s Operations [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CompanysOperationsAbstract" xlink:href="suz-20260630.xsd#suz_CompanysOperationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CompanysOperationsAbstract" xlink:to="lab_suz_CompanysOperationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TimeDepositsMember_019ff75a-d484-7328-a6bd-e537d04c2843_terseLabel_en-US" xlink:label="lab_suz_TimeDepositsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time Deposits</link:label>
    <link:label id="lab_suz_TimeDepositsMember_label_en-US" xlink:label="lab_suz_TimeDepositsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time Deposits</link:label>
    <link:label id="lab_suz_TimeDepositsMember_documentation_en-US" xlink:label="lab_suz_TimeDepositsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for time deposits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TimeDepositsMember" xlink:href="suz-20260630.xsd#suz_TimeDepositsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TimeDepositsMember" xlink:to="lab_suz_TimeDepositsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_September2033Member_019ff75a-d3c2-7946-8ea2-ec2a5f2cfa0a_terseLabel_en-US" xlink:label="lab_suz_September2033Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">September 2033</link:label>
    <link:label id="lab_suz_September2033Member_label_en-US" xlink:label="lab_suz_September2033Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">September 2033 [Member]</link:label>
    <link:label id="lab_suz_September2033Member_documentation_en-US" xlink:label="lab_suz_September2033Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">September 2033</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_September2033Member" xlink:href="suz-20260630.xsd#suz_September2033Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_September2033Member" xlink:to="lab_suz_September2033Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CostOfSalesLogisticsCost_019ff75a-d50c-7015-944a-ad309c5f1f8b_negatedTerseLabel_en-US" xlink:label="lab_suz_CostOfSalesLogisticsCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Logistics cost</link:label>
    <link:label id="lab_suz_CostOfSalesLogisticsCost_label_en-US" xlink:label="lab_suz_CostOfSalesLogisticsCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Sales, Logistics Cost</link:label>
    <link:label id="lab_suz_CostOfSalesLogisticsCost_documentation_en-US" xlink:label="lab_suz_CostOfSalesLogisticsCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of logistics cost relating to cost of sales.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CostOfSalesLogisticsCost" xlink:href="suz-20260630.xsd#suz_CostOfSalesLogisticsCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CostOfSalesLogisticsCost" xlink:to="lab_suz_CostOfSalesLogisticsCost" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalMember_019ff75a-d50c-74c7-91bf-932187709338_terseLabel_en-US" xlink:label="lab_suz_TotalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_suz_TotalMember_label_en-US" xlink:label="lab_suz_TotalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total [Member]</link:label>
    <link:label id="lab_suz_TotalMember_documentation_en-US" xlink:label="lab_suz_TotalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalMember" xlink:href="suz-20260630.xsd#suz_TotalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalMember" xlink:to="lab_suz_TotalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxEffectsOfRepatriationOfForeignEarnings_019ff75a-d484-7f60-9699-52bd40dc6ff9_terseLabel_en-US" xlink:label="lab_suz_TaxEffectsOfRepatriationOfForeignEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxation (difference) on profit of associates in Brazil and abroad</link:label>
    <link:label id="lab_suz_TaxEffectsOfRepatriationOfForeignEarnings_label_en-US" xlink:label="lab_suz_TaxEffectsOfRepatriationOfForeignEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effects of Repatriation of Foreign Earnings</link:label>
    <link:label id="lab_suz_TaxEffectsOfRepatriationOfForeignEarnings_documentation_en-US" xlink:label="lab_suz_TaxEffectsOfRepatriationOfForeignEarnings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The effect of the difference in taxation of subsidiaries is substantially due to the difference between the nominal rates of Brazil and subsidiaries abroad.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxEffectsOfRepatriationOfForeignEarnings" xlink:href="suz-20260630.xsd#suz_TaxEffectsOfRepatriationOfForeignEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxEffectsOfRepatriationOfForeignEarnings" xlink:to="lab_suz_TaxEffectsOfRepatriationOfForeignEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_019ff75a-d50c-78e6-bcda-7663678df437_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SalesDiscountsAndRebates_019ff75a-d5ab-7977-9a48-e8a83d51db12_negatedTerseLabel_en-US" xlink:label="lab_suz_SalesDiscountsAndRebates" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Discounts and rebates</link:label>
    <link:label id="lab_suz_SalesDiscountsAndRebates_label_en-US" xlink:label="lab_suz_SalesDiscountsAndRebates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales Discounts And Rebates</link:label>
    <link:label id="lab_suz_SalesDiscountsAndRebates_documentation_en-US" xlink:label="lab_suz_SalesDiscountsAndRebates" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate cash discounts and rebates given by the entity for goods and services sold to customers including, but not limited to, early payments of accounts due.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SalesDiscountsAndRebates" xlink:href="suz-20260630.xsd#suz_SalesDiscountsAndRebates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SalesDiscountsAndRebates" xlink:to="lab_suz_SalesDiscountsAndRebates" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_December2037Member_019ff75a-d5ab-7cd4-af11-224349ff8e8a_terseLabel_en-US" xlink:label="lab_suz_December2037Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">December 2037</link:label>
    <link:label id="lab_suz_December2037Member_label_en-US" xlink:label="lab_suz_December2037Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">December 2037 [Member]</link:label>
    <link:label id="lab_suz_December2037Member_documentation_en-US" xlink:label="lab_suz_December2037Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">December 2037</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_December2037Member" xlink:href="suz-20260630.xsd#suz_December2037Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_December2037Member" xlink:to="lab_suz_December2037Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdditionsAndUpdatesToRightOfUseAssets_019ff75a-d50c-7047-b1d4-b2de2f6d33d3_terseLabel_en-US" xlink:label="lab_suz_AdditionsAndUpdatesToRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions/updates</link:label>
    <link:label id="lab_suz_AdditionsAndUpdatesToRightOfUseAssets_label_en-US" xlink:label="lab_suz_AdditionsAndUpdatesToRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions and Updates to Right of Use Assets</link:label>
    <link:label id="lab_suz_AdditionsAndUpdatesToRightOfUseAssets_documentation_en-US" xlink:label="lab_suz_AdditionsAndUpdatesToRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of additions and updates to right-of-use assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdditionsAndUpdatesToRightOfUseAssets" xlink:href="suz-20260630.xsd#suz_AdditionsAndUpdatesToRightOfUseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdditionsAndUpdatesToRightOfUseAssets" xlink:to="lab_suz_AdditionsAndUpdatesToRightOfUseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Term1YearMember_019ff75a-d483-7761-b8e5-6b1b1cc4c18e_terseLabel_en-US" xlink:label="lab_suz_Term1YearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term, 1 year</link:label>
    <link:label id="lab_suz_Term1YearMember_label_en-US" xlink:label="lab_suz_Term1YearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term, 1 year [Member]</link:label>
    <link:label id="lab_suz_Term1YearMember_documentation_en-US" xlink:label="lab_suz_Term1YearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivative instrument maturities of one year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Term1YearMember" xlink:href="suz-20260630.xsd#suz_Term1YearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Term1YearMember" xlink:to="lab_suz_Term1YearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProfitLossFromOperatingActivitiesAttributableToRelatedParties_019ff75a-d50c-750b-bf9c-277dd2cf0644_terseLabel_en-US" xlink:label="lab_suz_ProfitLossFromOperatingActivitiesAttributableToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales (purchase)</link:label>
    <link:label id="lab_suz_ProfitLossFromOperatingActivitiesAttributableToRelatedParties_label_en-US" xlink:label="lab_suz_ProfitLossFromOperatingActivitiesAttributableToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (Loss) from Operating Activities Attributable to Related Parties</link:label>
    <link:label id="lab_suz_ProfitLossFromOperatingActivitiesAttributableToRelatedParties_documentation_en-US" xlink:label="lab_suz_ProfitLossFromOperatingActivitiesAttributableToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The profit (loss) from operating activities of the entity attributable to related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProfitLossFromOperatingActivitiesAttributableToRelatedParties" xlink:href="suz-20260630.xsd#suz_ProfitLossFromOperatingActivitiesAttributableToRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProfitLossFromOperatingActivitiesAttributableToRelatedParties" xlink:to="lab_suz_ProfitLossFromOperatingActivitiesAttributableToRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables_019ff75a-d5ab-73ae-9304-e86efbe03620_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in other operating payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfJointVenturesLineItems_019ff75a-d50c-79e8-ab9a-509067aebe67_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfJointVenturesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of joint ventures [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfJointVenturesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfJointVenturesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of joint ventures [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfJointVenturesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfJointVenturesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="lab_ifrs-full_DisclosureOfJointVenturesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AmortizationOfFairValueAdjustmentOnBusinessCombination_019ff75a-d484-7c00-9ac7-41d89cec0c6a_negatedTerseLabel_en-US" xlink:label="lab_suz_AmortizationOfFairValueAdjustmentOnBusinessCombination" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amortization Of Fair Value Adjustment On Business Combination</link:label>
    <link:label id="lab_suz_AmortizationOfFairValueAdjustmentOnBusinessCombination_label_en-US" xlink:label="lab_suz_AmortizationOfFairValueAdjustmentOnBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization Of Fair Value Adjustment On Business Combination</link:label>
    <link:label id="lab_suz_AmortizationOfFairValueAdjustmentOnBusinessCombination_documentation_en-US" xlink:label="lab_suz_AmortizationOfFairValueAdjustmentOnBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization of fair value adjustment on business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AmortizationOfFairValueAdjustmentOnBusinessCombination" xlink:href="suz-20260630.xsd#suz_AmortizationOfFairValueAdjustmentOnBusinessCombination"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AmortizationOfFairValueAdjustmentOnBusinessCombination" xlink:to="lab_suz_AmortizationOfFairValueAdjustmentOnBusinessCombination" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentsForIncreaseDecreaseInAccrualOfInterestOnMarketableSecurities_019ff75a-d484-7dff-90a9-269d0a7d45c3_negatedTerseLabel_en-US" xlink:label="lab_suz_AdjustmentsForIncreaseDecreaseInAccrualOfInterestOnMarketableSecurities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Accrual of interest on marketable securities</link:label>
    <link:label id="lab_suz_AdjustmentsForIncreaseDecreaseInAccrualOfInterestOnMarketableSecurities_label_en-US" xlink:label="lab_suz_AdjustmentsForIncreaseDecreaseInAccrualOfInterestOnMarketableSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For (Increase) Decrease in Accrual of Interest on Marketable Securities</link:label>
    <link:label id="lab_suz_AdjustmentsForIncreaseDecreaseInAccrualOfInterestOnMarketableSecurities_documentation_en-US" xlink:label="lab_suz_AdjustmentsForIncreaseDecreaseInAccrualOfInterestOnMarketableSecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in accrual of interest on marketable securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentsForIncreaseDecreaseInAccrualOfInterestOnMarketableSecurities" xlink:href="suz-20260630.xsd#suz_AdjustmentsForIncreaseDecreaseInAccrualOfInterestOnMarketableSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentsForIncreaseDecreaseInAccrualOfInterestOnMarketableSecurities" xlink:to="lab_suz_AdjustmentsForIncreaseDecreaseInAccrualOfInterestOnMarketableSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IssuanceOfNewFinancingAfterTheReportingPeriodMember_019ff75a-d5ab-7851-a738-ca64bd1fb579_terseLabel_en-US" xlink:label="lab_suz_IssuanceOfNewFinancingAfterTheReportingPeriodMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance Of New Financing After The Reporting Period</link:label>
    <link:label id="lab_suz_IssuanceOfNewFinancingAfterTheReportingPeriodMember_label_en-US" xlink:label="lab_suz_IssuanceOfNewFinancingAfterTheReportingPeriodMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance Of New Financing After The Reporting Period [Member]</link:label>
    <link:label id="lab_suz_IssuanceOfNewFinancingAfterTheReportingPeriodMember_documentation_en-US" xlink:label="lab_suz_IssuanceOfNewFinancingAfterTheReportingPeriodMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issuance Of New Financing After The Reporting Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IssuanceOfNewFinancingAfterTheReportingPeriodMember" xlink:href="suz-20260630.xsd#suz_IssuanceOfNewFinancingAfterTheReportingPeriodMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IssuanceOfNewFinancingAfterTheReportingPeriodMember" xlink:to="lab_suz_IssuanceOfNewFinancingAfterTheReportingPeriodMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradingSecuritiesMember_019ff75a-d5ab-7c5f-9374-f9df453083ca_terseLabel_en-US" xlink:label="lab_ifrs-full_TradingSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketable securities</link:label>
    <link:label id="lab_ifrs-full_TradingSecuritiesMember_label_en-US" xlink:label="lab_ifrs-full_TradingSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading securities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradingSecuritiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradingSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradingSecuritiesMember" xlink:to="lab_ifrs-full_TradingSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncontrollingInterests_019ff75a-d50c-75c5-ac6c-198e0e22b6f3_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterests" xlink:to="lab_ifrs-full_NoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_May2035AndMay2036Member_019ff75a-d50c-730b-9090-eeb7c718bc74_terseLabel_en-US" xlink:label="lab_suz_May2035AndMay2036Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">May 2035 and May 2036</link:label>
    <link:label id="lab_suz_May2035AndMay2036Member_label_en-US" xlink:label="lab_suz_May2035AndMay2036Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">May 2035 and May 2036 [Member]</link:label>
    <link:label id="lab_suz_May2035AndMay2036Member_documentation_en-US" xlink:label="lab_suz_May2035AndMay2036Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">May 2035 and May 2036</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_May2035AndMay2036Member" xlink:href="suz-20260630.xsd#suz_May2035AndMay2036Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_May2035AndMay2036Member" xlink:to="lab_suz_May2035AndMay2036Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_019ff75a-d5ab-73df-a610-984645e21917_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of employee benefits [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of employee benefits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEmployeeBenefitsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_019ff75a-d484-7250-996f-cb3a53f167fc_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_AllCurrenciesDomain_019ff75a-d50c-75f2-ae2f-3aae3029d483_terseLabel_en-US" xlink:label="lab_currency_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">All Currencies [Domain]</link:label>
    <link:label id="lab_currency_AllCurrenciesDomain_label_en-US" xlink:label="lab_currency_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">All Currencies [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_AllCurrenciesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_AllCurrenciesDomain" xlink:to="lab_currency_AllCurrenciesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAbstract_019ff75a-d3c2-7428-984d-d9e5a1737d50_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_EquityAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="lab_ifrs-full_EquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract_019ff75a-d50c-710b-aa5d-f4032c2d9212_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ACCWithBancoDoBrasilMember_019ff75a-d50c-7311-84bc-0098d1411c68_terseLabel_en-US" xlink:label="lab_suz_ACCWithBancoDoBrasilMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ACC with Banco Do Brasil</link:label>
    <link:label id="lab_suz_ACCWithBancoDoBrasilMember_label_en-US" xlink:label="lab_suz_ACCWithBancoDoBrasilMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ACC with Banco Do Brasil [Member]</link:label>
    <link:label id="lab_suz_ACCWithBancoDoBrasilMember_documentation_en-US" xlink:label="lab_suz_ACCWithBancoDoBrasilMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ACC with Banco Do Brasil</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ACCWithBancoDoBrasilMember" xlink:href="suz-20260630.xsd#suz_ACCWithBancoDoBrasilMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ACCWithBancoDoBrasilMember" xlink:to="lab_suz_ACCWithBancoDoBrasilMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TypeOfArrangementAndNonArrangementTransactionsDomain_019ff75a-d3c2-7e2f-b281-d2d45a7f254e_terseLabel_en-US" xlink:label="lab_suz_TypeOfArrangementAndNonArrangementTransactionsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of Arrangement and Non-arrangement Transactions [Domain]</link:label>
    <link:label id="lab_suz_TypeOfArrangementAndNonArrangementTransactionsDomain_label_en-US" xlink:label="lab_suz_TypeOfArrangementAndNonArrangementTransactionsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of Arrangement and Non-arrangement Transactions [Domain]</link:label>
    <link:label id="lab_suz_TypeOfArrangementAndNonArrangementTransactionsDomain_documentation_en-US" xlink:label="lab_suz_TypeOfArrangementAndNonArrangementTransactionsDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type of Arrangement and Non-arrangement Transactions [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TypeOfArrangementAndNonArrangementTransactionsDomain" xlink:href="suz-20260630.xsd#suz_TypeOfArrangementAndNonArrangementTransactionsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TypeOfArrangementAndNonArrangementTransactionsDomain" xlink:to="lab_suz_TypeOfArrangementAndNonArrangementTransactionsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EmployerContributions_019ff75a-d484-792c-920c-6481670d754e_terseLabel_en-US" xlink:label="lab_ifrs-full_EmployerContributions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer contributions</link:label>
    <link:label id="lab_ifrs-full_EmployerContributions_label_en-US" xlink:label="lab_ifrs-full_EmployerContributions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employer contributions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EmployerContributions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EmployerContributions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EmployerContributions" xlink:to="lab_ifrs-full_EmployerContributions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember_019ff75a-d484-7358-8b10-056c13b81072_terseLabel_en-US" xlink:label="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange rate variations</link:label>
    <link:label id="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember_label_en-US" xlink:label="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealised foreign exchange gains (losses) [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnrealisedForeignExchangeGainsLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:to="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IfrsOtherLiabilitiesMember_019ff75a-d50c-7076-970f-371b532215da_terseLabel_en-US" xlink:label="lab_suz_IfrsOtherLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_suz_IfrsOtherLiabilitiesMember_label_en-US" xlink:label="lab_suz_IfrsOtherLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_suz_IfrsOtherLiabilitiesMember_documentation_en-US" xlink:label="lab_suz_IfrsOtherLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Primary financial statement caption encompassing other liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IfrsOtherLiabilitiesMember" xlink:href="suz-20260630.xsd#suz_IfrsOtherLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IfrsOtherLiabilitiesMember" xlink:to="lab_suz_IfrsOtherLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subclassifications of assets, liabilities and equities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:to="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgingInstrumentsAxis_019ff75a-d5ab-734d-a595-305509335625_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_HedgingInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgingInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_HedgingInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentsAxis" xlink:to="lab_ifrs-full_HedgingInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxAssessmentExchangeOfIndustrialAndForestryAssets2007Member_019ff75a-d5ab-7c68-81d9-01a6891e046e_terseLabel_en-US" xlink:label="lab_suz_IncomeTaxAssessmentExchangeOfIndustrialAndForestryAssets2007Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax assessment - Exchange of Industrial and Forestry Assets (2007)</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentExchangeOfIndustrialAndForestryAssets2007Member_label_en-US" xlink:label="lab_suz_IncomeTaxAssessmentExchangeOfIndustrialAndForestryAssets2007Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax assessment - Exchange of Industrial and Forestry Assets (2007) [Member]</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentExchangeOfIndustrialAndForestryAssets2007Member_documentation_en-US" xlink:label="lab_suz_IncomeTaxAssessmentExchangeOfIndustrialAndForestryAssets2007Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax assessment - Exchange of Industrial and Forestry Assets (2007)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxAssessmentExchangeOfIndustrialAndForestryAssets2007Member" xlink:href="suz-20260630.xsd#suz_IncomeTaxAssessmentExchangeOfIndustrialAndForestryAssets2007Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxAssessmentExchangeOfIndustrialAndForestryAssets2007Member" xlink:to="lab_suz_IncomeTaxAssessmentExchangeOfIndustrialAndForestryAssets2007Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AccrualForICMSCreditLosses_019ff75a-d50c-712e-8004-f93875a0596a_negatedTerseLabel_en-US" xlink:label="lab_suz_AccrualForICMSCreditLosses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">(Provision)/Reversals for losses on ICMS credits (note 13.1)</link:label>
    <link:label id="lab_suz_AccrualForICMSCreditLosses_label_en-US" xlink:label="lab_suz_AccrualForICMSCreditLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrual for ICMS Credit Losses</link:label>
    <link:label id="lab_suz_AccrualForICMSCreditLosses_documentation_en-US" xlink:label="lab_suz_AccrualForICMSCreditLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrual for ICMS Credit Losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AccrualForICMSCreditLosses" xlink:href="suz-20260630.xsd#suz_AccrualForICMSCreditLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AccrualForICMSCreditLosses" xlink:to="lab_suz_AccrualForICMSCreditLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProfitReservesMember_019ff75a-d50c-7406-b9cd-325a4b4746cb_terseLabel_en-US" xlink:label="lab_suz_ProfitReservesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit reserves</link:label>
    <link:label id="lab_suz_ProfitReservesMember_label_en-US" xlink:label="lab_suz_ProfitReservesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit Reserves [Member]</link:label>
    <link:label id="lab_suz_ProfitReservesMember_documentation_en-US" xlink:label="lab_suz_ProfitReservesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Profit Reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProfitReservesMember" xlink:href="suz-20260630.xsd#suz_ProfitReservesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProfitReservesMember" xlink:to="lab_suz_ProfitReservesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OperationalHedgesMember_019ff75a-d50c-7a4b-beb9-e69956f254c3_terseLabel_en-US" xlink:label="lab_suz_OperationalHedgesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operational Hedge</link:label>
    <link:label id="lab_suz_OperationalHedgesMember_label_en-US" xlink:label="lab_suz_OperationalHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operational Hedge</link:label>
    <link:label id="lab_suz_OperationalHedgesMember_documentation_en-US" xlink:label="lab_suz_OperationalHedgesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for hedges of the exposure to variability in operations that (a) are attributable to a particular risk associated with a recognized asset or liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OperationalHedgesMember" xlink:href="suz-20260630.xsd#suz_OperationalHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OperationalHedgesMember" xlink:to="lab_suz_OperationalHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfDistributionCenters_019ff75a-d5ab-7a74-aad6-db6432d13a6c_terseLabel_en-US" xlink:label="lab_suz_NumberOfDistributionCenters" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Distribution Centers</link:label>
    <link:label id="lab_suz_NumberOfDistributionCenters_label_en-US" xlink:label="lab_suz_NumberOfDistributionCenters" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Distribution Centers</link:label>
    <link:label id="lab_suz_NumberOfDistributionCenters_documentation_en-US" xlink:label="lab_suz_NumberOfDistributionCenters" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of distribution centers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfDistributionCenters" xlink:href="suz-20260630.xsd#suz_NumberOfDistributionCenters"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfDistributionCenters" xlink:to="lab_suz_NumberOfDistributionCenters" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_019ff75a-d50c-745f-bbdb-87d1c679da00_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions other than through business combinations, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TimeToCalculateTheAveragePriceOfSharesBasedOnRecentTradingSessions_019ff75a-d5ab-7030-a500-23954305e50e_terseLabel_en-US" xlink:label="lab_suz_TimeToCalculateTheAveragePriceOfSharesBasedOnRecentTradingSessions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time to calculate the average price of shares based on recent trading sessions</link:label>
    <link:label id="lab_suz_TimeToCalculateTheAveragePriceOfSharesBasedOnRecentTradingSessions_label_en-US" xlink:label="lab_suz_TimeToCalculateTheAveragePriceOfSharesBasedOnRecentTradingSessions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time to calculate the average price of shares based on recent trading sessions</link:label>
    <link:label id="lab_suz_TimeToCalculateTheAveragePriceOfSharesBasedOnRecentTradingSessions_documentation_en-US" xlink:label="lab_suz_TimeToCalculateTheAveragePriceOfSharesBasedOnRecentTradingSessions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Time to calculate the average price of shares based on recent trading sessions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TimeToCalculateTheAveragePriceOfSharesBasedOnRecentTradingSessions" xlink:href="suz-20260630.xsd#suz_TimeToCalculateTheAveragePriceOfSharesBasedOnRecentTradingSessions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TimeToCalculateTheAveragePriceOfSharesBasedOnRecentTradingSessions" xlink:to="lab_suz_TimeToCalculateTheAveragePriceOfSharesBasedOnRecentTradingSessions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SocialContributionExpenseIncome_019ff75a-d5ab-7edb-92cb-2f3537e599f4_totalLabel_en-US" xlink:label="lab_suz_SocialContributionExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Social Contribution Expense Income</link:label>
    <link:label id="lab_suz_SocialContributionExpenseIncome_label_en-US" xlink:label="lab_suz_SocialContributionExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Social Contribution Expense Income</link:label>
    <link:label id="lab_suz_SocialContributionExpenseIncome_documentation_en-US" xlink:label="lab_suz_SocialContributionExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current and deferred social contribution tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SocialContributionExpenseIncome" xlink:href="suz-20260630.xsd#suz_SocialContributionExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SocialContributionExpenseIncome" xlink:to="lab_suz_SocialContributionExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_019ff75a-d484-7b98-9b12-3ea7c3204c27_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">At fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsFromPurchasesBiologicalAssets_019ff75a-d3c2-7a3c-9e89-a807a4a39a12_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsFromPurchasesBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsFromPurchasesBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_AdditionsFromPurchasesBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions from purchases, biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsFromPurchasesBiologicalAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsFromPurchasesBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsFromPurchasesBiologicalAssets" xlink:to="lab_ifrs-full_AdditionsFromPurchasesBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MaximumAgeOfBiologicalAssetsInFormationAccountedForAtFormationCost_019ff75a-d50c-701a-a520-7fcd3209bc62_terseLabel_en-US" xlink:label="lab_suz_MaximumAgeOfBiologicalAssetsInFormationAccountedForAtFormationCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Age of biological assets in formation accounted for at the formation cost</link:label>
    <link:label id="lab_suz_MaximumAgeOfBiologicalAssetsInFormationAccountedForAtFormationCost_label_en-US" xlink:label="lab_suz_MaximumAgeOfBiologicalAssetsInFormationAccountedForAtFormationCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Age of Biological Assets in Formation Accounted for at Formation Cost</link:label>
    <link:label id="lab_suz_MaximumAgeOfBiologicalAssetsInFormationAccountedForAtFormationCost_documentation_en-US" xlink:label="lab_suz_MaximumAgeOfBiologicalAssetsInFormationAccountedForAtFormationCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Age of Biological Assets in Formation Accounted for at Formation Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MaximumAgeOfBiologicalAssetsInFormationAccountedForAtFormationCost" xlink:href="suz-20260630.xsd#suz_MaximumAgeOfBiologicalAssetsInFormationAccountedForAtFormationCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MaximumAgeOfBiologicalAssetsInFormationAccountedForAtFormationCost" xlink:to="lab_suz_MaximumAgeOfBiologicalAssetsInFormationAccountedForAtFormationCost" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CondensedStatementOfComprehensiveIncomeTable_019ff75a-d5ab-7e6e-b96d-51ca64b35444_terseLabel_en-US" xlink:label="lab_srt_CondensedStatementOfComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Condensed Statement of Comprehensive Income [Table]</link:label>
    <link:label id="lab_srt_CondensedStatementOfComprehensiveIncomeTable_label_en-US" xlink:label="lab_srt_CondensedStatementOfComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Condensed Statement of Comprehensive Income [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedStatementOfComprehensiveIncomeTable" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedStatementOfComprehensiveIncomeTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CondensedStatementOfComprehensiveIncomeTable" xlink:to="lab_srt_CondensedStatementOfComprehensiveIncomeTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PropertyPlantAndEquipmentDeemedCostAdjustmentAndImpairmentMember_019ff75a-d484-7a73-93ae-667dec010a08_terseLabel_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentDeemedCostAdjustmentAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment - deemed cost</link:label>
    <link:label id="lab_suz_PropertyPlantAndEquipmentDeemedCostAdjustmentAndImpairmentMember_label_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentDeemedCostAdjustmentAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment - deemed cost</link:label>
    <link:label id="lab_suz_PropertyPlantAndEquipmentDeemedCostAdjustmentAndImpairmentMember_documentation_en-US" xlink:label="lab_suz_PropertyPlantAndEquipmentDeemedCostAdjustmentAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Property, plant and equipment, deemed cost adjustment and impairment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PropertyPlantAndEquipmentDeemedCostAdjustmentAndImpairmentMember" xlink:href="suz-20260630.xsd#suz_PropertyPlantAndEquipmentDeemedCostAdjustmentAndImpairmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PropertyPlantAndEquipmentDeemedCostAdjustmentAndImpairmentMember" xlink:to="lab_suz_PropertyPlantAndEquipmentDeemedCostAdjustmentAndImpairmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_019ff75a-d50c-7282-a77c-1a3081669062_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember_019ff75a-d484-7c56-a8b7-7947bf51f99b_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserve of gains and losses on remeasuring available-for-sale financial assets [member]</link:label>
    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of gains and losses on remeasuring available-for-sale financial assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember" xlink:to="lab_ifrs-full_ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ParentMember_019ff75a-d50c-7734-bdf2-ebc18d946bae_terseLabel_en-US" xlink:label="lab_ifrs-full_ParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Holding S.A.</link:label>
    <link:label id="lab_ifrs-full_ParentMember_label_en-US" xlink:label="lab_ifrs-full_ParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parent [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ParentMember" xlink:to="lab_ifrs-full_ParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RepaymentsOfBorrowingsPrincipal_019ff75a-d484-7376-bd5d-cd582d454ad4_negatedTerseLabel_en-US" xlink:label="lab_suz_RepaymentsOfBorrowingsPrincipal" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payment of loans, financing and debentures</link:label>
    <link:label id="lab_suz_RepaymentsOfBorrowingsPrincipal_label_en-US" xlink:label="lab_suz_RepaymentsOfBorrowingsPrincipal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments Of Borrowings, Principal</link:label>
    <link:label id="lab_suz_RepaymentsOfBorrowingsPrincipal_documentation_en-US" xlink:label="lab_suz_RepaymentsOfBorrowingsPrincipal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow to settle borrowings attributable to principal.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RepaymentsOfBorrowingsPrincipal" xlink:href="suz-20260630.xsd#suz_RepaymentsOfBorrowingsPrincipal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RepaymentsOfBorrowingsPrincipal" xlink:to="lab_suz_RepaymentsOfBorrowingsPrincipal" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FloatingRateIncreasingAnnuallyUntilMaturity_019ff75a-d5ab-7118-aea2-d8ce2e6fcb7f_terseLabel_en-US" xlink:label="lab_suz_FloatingRateIncreasingAnnuallyUntilMaturity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floating rate increasing annually until maturity</link:label>
    <link:label id="lab_suz_FloatingRateIncreasingAnnuallyUntilMaturity_label_en-US" xlink:label="lab_suz_FloatingRateIncreasingAnnuallyUntilMaturity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Floating rate increasing annually until maturity</link:label>
    <link:label id="lab_suz_FloatingRateIncreasingAnnuallyUntilMaturity_documentation_en-US" xlink:label="lab_suz_FloatingRateIncreasingAnnuallyUntilMaturity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Floating rate increasing annually until maturity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FloatingRateIncreasingAnnuallyUntilMaturity" xlink:href="suz-20260630.xsd#suz_FloatingRateIncreasingAnnuallyUntilMaturity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FloatingRateIncreasingAnnuallyUntilMaturity" xlink:to="lab_suz_FloatingRateIncreasingAnnuallyUntilMaturity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SocialSecurityContributions_019ff75a-d5ab-727d-8c82-4cb4baab4adb_terseLabel_en-US" xlink:label="lab_ifrs-full_SocialSecurityContributions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Social security contributions</link:label>
    <link:label id="lab_ifrs-full_SocialSecurityContributions_label_en-US" xlink:label="lab_ifrs-full_SocialSecurityContributions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Social security contributions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SocialSecurityContributions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SocialSecurityContributions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SocialSecurityContributions" xlink:to="lab_ifrs-full_SocialSecurityContributions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinancialIncomeAbstract_019ff75a-d5ab-7edb-8055-860c8fafe3e7_terseLabel_en-US" xlink:label="lab_suz_FinancialIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial income [Abstract]</link:label>
    <link:label id="lab_suz_FinancialIncomeAbstract_label_en-US" xlink:label="lab_suz_FinancialIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial income [Abstract]</link:label>
    <link:label id="lab_suz_FinancialIncomeAbstract_documentation_en-US" xlink:label="lab_suz_FinancialIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinancialIncomeAbstract" xlink:href="suz-20260630.xsd#suz_FinancialIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinancialIncomeAbstract" xlink:to="lab_suz_FinancialIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LaborMember_019ff75a-d50c-72ee-a376-43e35f41a864_terseLabel_en-US" xlink:label="lab_suz_LaborMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Labor</link:label>
    <link:label id="lab_suz_LaborMember_label_en-US" xlink:label="lab_suz_LaborMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Labor [Member]</link:label>
    <link:label id="lab_suz_LaborMember_documentation_en-US" xlink:label="lab_suz_LaborMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for labor lawsuits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LaborMember" xlink:href="suz-20260630.xsd#suz_LaborMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LaborMember" xlink:to="lab_suz_LaborMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MedicalCostGrowthRate_019ff75a-d484-745f-a363-60ff63bdb85e_terseLabel_en-US" xlink:label="lab_suz_MedicalCostGrowthRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Medical cost growth rate</link:label>
    <link:label id="lab_suz_MedicalCostGrowthRate_label_en-US" xlink:label="lab_suz_MedicalCostGrowthRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Medical cost growth rate</link:label>
    <link:label id="lab_suz_MedicalCostGrowthRate_documentation_en-US" xlink:label="lab_suz_MedicalCostGrowthRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Medical cost trend rate used as significant actuarial assumption to determine the present value of a defined benefit obligation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MedicalCostGrowthRate" xlink:href="suz-20260630.xsd#suz_MedicalCostGrowthRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MedicalCostGrowthRate" xlink:to="lab_suz_MedicalCostGrowthRate" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ValueAtRiskTimeHorizon_019ff75a-d484-7124-8b6a-d0814605a785_terseLabel_en-US" xlink:label="lab_suz_ValueAtRiskTimeHorizon" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value at risk time horizon</link:label>
    <link:label id="lab_suz_ValueAtRiskTimeHorizon_label_en-US" xlink:label="lab_suz_ValueAtRiskTimeHorizon" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value at Risk Time Horizon</link:label>
    <link:label id="lab_suz_ValueAtRiskTimeHorizon_documentation_en-US" xlink:label="lab_suz_ValueAtRiskTimeHorizon" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The time period for sales in the futures market.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ValueAtRiskTimeHorizon" xlink:href="suz-20260630.xsd#suz_ValueAtRiskTimeHorizon"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ValueAtRiskTimeHorizon" xlink:to="lab_suz_ValueAtRiskTimeHorizon" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LegalReserveMember_019ff75a-d484-70fb-b349-54f9700df0ce_terseLabel_en-US" xlink:label="lab_suz_LegalReserveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal reserve</link:label>
    <link:label id="lab_suz_LegalReserveMember_label_en-US" xlink:label="lab_suz_LegalReserveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Reserve [Member]</link:label>
    <link:label id="lab_suz_LegalReserveMember_documentation_en-US" xlink:label="lab_suz_LegalReserveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the portion of profit reserves allocated to legal reserves.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LegalReserveMember" xlink:href="suz-20260630.xsd#suz_LegalReserveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LegalReserveMember" xlink:to="lab_suz_LegalReserveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_019ff75a-d484-78bf-8c70-44ba6e987c4e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentsForSubleaseOfShips_019ff75a-d5ab-7e91-959f-b22938c82f5a_terseLabel_en-US" xlink:label="lab_suz_AdjustmentsForSubleaseOfShips" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments for Sublease of Ships</link:label>
    <link:label id="lab_suz_AdjustmentsForSubleaseOfShips_label_en-US" xlink:label="lab_suz_AdjustmentsForSubleaseOfShips" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for Sublease of Ships</link:label>
    <link:label id="lab_suz_AdjustmentsForSubleaseOfShips_documentation_en-US" xlink:label="lab_suz_AdjustmentsForSubleaseOfShips" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for Sublease of Ships</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentsForSubleaseOfShips" xlink:href="suz-20260630.xsd#suz_AdjustmentsForSubleaseOfShips"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentsForSubleaseOfShips" xlink:to="lab_suz_AdjustmentsForSubleaseOfShips" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonRecurringAndNonCashItems_019ff75a-d50c-7589-8856-82f4fedb0e87_terseLabel_en-US" xlink:label="lab_suz_NonRecurringAndNonCashItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Recurring and Non-Cash Items</link:label>
    <link:label id="lab_suz_NonRecurringAndNonCashItems_label_en-US" xlink:label="lab_suz_NonRecurringAndNonCashItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Recurring and Non-Cash Items</link:label>
    <link:label id="lab_suz_NonRecurringAndNonCashItems_documentation_en-US" xlink:label="lab_suz_NonRecurringAndNonCashItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-Recurring and Non-Cash Items</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonRecurringAndNonCashItems" xlink:href="suz-20260630.xsd#suz_NonRecurringAndNonCashItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonRecurringAndNonCashItems" xlink:to="lab_suz_NonRecurringAndNonCashItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxAssessmentRecalculationOfForeignSubsidiaryProfits20142016Member_019ff75a-d5ab-7aaf-89c0-e4b5f6c11ffe_terseLabel_en-US" xlink:label="lab_suz_IncomeTaxAssessmentRecalculationOfForeignSubsidiaryProfits20142016Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax assessment - Recalculation of Foreign Subsidiary Profits (2014-2016)</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentRecalculationOfForeignSubsidiaryProfits20142016Member_label_en-US" xlink:label="lab_suz_IncomeTaxAssessmentRecalculationOfForeignSubsidiaryProfits20142016Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax assessment - Recalculation of Foreign Subsidiary Profits (2014-2016) [Member]</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentRecalculationOfForeignSubsidiaryProfits20142016Member_documentation_en-US" xlink:label="lab_suz_IncomeTaxAssessmentRecalculationOfForeignSubsidiaryProfits20142016Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax assessment - Recalculation of Foreign Subsidiary Profits (2014-2016)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxAssessmentRecalculationOfForeignSubsidiaryProfits20142016Member" xlink:href="suz-20260630.xsd#suz_IncomeTaxAssessmentRecalculationOfForeignSubsidiaryProfits20142016Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxAssessmentRecalculationOfForeignSubsidiaryProfits20142016Member" xlink:to="lab_suz_IncomeTaxAssessmentRecalculationOfForeignSubsidiaryProfits20142016Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdditionalAllowanceRecognizedInProvisionreversalsNet_019ff75a-d5ab-7401-8cfb-5da5cd08df1f_terseLabel_en-US" xlink:label="lab_suz_AdditionalAllowanceRecognizedInProvisionreversalsNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Provisions)/Reversals, net</link:label>
    <link:label id="lab_suz_AdditionalAllowanceRecognizedInProvisionreversalsNet_label_en-US" xlink:label="lab_suz_AdditionalAllowanceRecognizedInProvisionreversalsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional allowance recognized in (provision)/reversals, net</link:label>
    <link:label id="lab_suz_AdditionalAllowanceRecognizedInProvisionreversalsNet_documentation_en-US" xlink:label="lab_suz_AdditionalAllowanceRecognizedInProvisionreversalsNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional allowance recognized in (provision)/reversals, net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdditionalAllowanceRecognizedInProvisionreversalsNet" xlink:href="suz-20260630.xsd#suz_AdditionalAllowanceRecognizedInProvisionreversalsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdditionalAllowanceRecognizedInProvisionreversalsNet" xlink:to="lab_suz_AdditionalAllowanceRecognizedInProvisionreversalsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_019ff75a-d5ab-7dc5-8ce5-7812e3b05571_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Controlling shareholders&#8217;</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income, attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProceedsFromBorrowings_019ff75a-d50c-70fb-8275-f7284007719d_terseLabel_en-US" xlink:label="lab_suz_ProceedsFromBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds From Borrowings</link:label>
    <link:label id="lab_suz_ProceedsFromBorrowings_label_en-US" xlink:label="lab_suz_ProceedsFromBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Borrowings</link:label>
    <link:label id="lab_suz_ProceedsFromBorrowings_documentation_en-US" xlink:label="lab_suz_ProceedsFromBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds From Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProceedsFromBorrowings" xlink:href="suz-20260630.xsd#suz_ProceedsFromBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProceedsFromBorrowings" xlink:to="lab_suz_ProceedsFromBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NumberOfTerminals_019ff75a-d3c2-77b3-8217-6c478c97d866_terseLabel_en-US" xlink:label="lab_suz_NumberOfTerminals" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Terminals</link:label>
    <link:label id="lab_suz_NumberOfTerminals_label_en-US" xlink:label="lab_suz_NumberOfTerminals" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Terminals</link:label>
    <link:label id="lab_suz_NumberOfTerminals_documentation_en-US" xlink:label="lab_suz_NumberOfTerminals" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of terminals.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NumberOfTerminals" xlink:href="suz-20260630.xsd#suz_NumberOfTerminals"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NumberOfTerminals" xlink:to="lab_suz_NumberOfTerminals" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoAustriaGmbhMember_019ff75a-d484-7b25-86c2-3c3386335de8_terseLabel_en-US" xlink:label="lab_suz_SuzanoAustriaGmbhMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Austria GmbH. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoAustriaGmbhMember_label_en-US" xlink:label="lab_suz_SuzanoAustriaGmbhMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Austria GmbH</link:label>
    <link:label id="lab_suz_SuzanoAustriaGmbhMember_documentation_en-US" xlink:label="lab_suz_SuzanoAustriaGmbhMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Austria GmbH.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoAustriaGmbhMember" xlink:href="suz-20260630.xsd#suz_SuzanoAustriaGmbhMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoAustriaGmbhMember" xlink:to="lab_suz_SuzanoAustriaGmbhMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonDerivativeForwardParityDerivativesMember_019ff75a-d50c-7e8d-9755-26315b315e01_terseLabel_en-US" xlink:label="lab_suz_NonDerivativeForwardParityDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NDF parity derivatives</link:label>
    <link:label id="lab_suz_NonDerivativeForwardParityDerivativesMember_label_en-US" xlink:label="lab_suz_NonDerivativeForwardParityDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NDF parity derivatives</link:label>
    <link:label id="lab_suz_NonDerivativeForwardParityDerivativesMember_documentation_en-US" xlink:label="lab_suz_NonDerivativeForwardParityDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for non-deliverable forward parity derivatives.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonDerivativeForwardParityDerivativesMember" xlink:href="suz-20260630.xsd#suz_NonDerivativeForwardParityDerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonDerivativeForwardParityDerivativesMember" xlink:to="lab_suz_NonDerivativeForwardParityDerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Liabilities_019ff75a-d3c2-7b24-b983-dbdc7e1a6839_totalLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL LIABILITIES</link:label>
    <link:label id="lab_ifrs-full_Liabilities_label_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Liabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Liabilities" xlink:to="lab_ifrs-full_Liabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_019ff75a-d50c-71b5-984c-ce7b64bd7a7e_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government grants and assistance</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for government grants [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IFCInternationalFinanceCorporationMember_019ff75a-d5ab-7531-bcae-54af04ca174c_terseLabel_en-US" xlink:label="lab_suz_IFCInternationalFinanceCorporationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IFC - International Finance Corporation</link:label>
    <link:label id="lab_suz_IFCInternationalFinanceCorporationMember_label_en-US" xlink:label="lab_suz_IFCInternationalFinanceCorporationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IFC - International Finance Corporation [Member]</link:label>
    <link:label id="lab_suz_IFCInternationalFinanceCorporationMember_documentation_en-US" xlink:label="lab_suz_IFCInternationalFinanceCorporationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IFC - International Finance Corporation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IFCInternationalFinanceCorporationMember" xlink:href="suz-20260630.xsd#suz_IFCInternationalFinanceCorporationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IFCInternationalFinanceCorporationMember" xlink:to="lab_suz_IFCInternationalFinanceCorporationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DecreaseDueToHarvestBiologicalAssets_019ff75a-d50c-706d-8b69-3e9127cf6565_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DecreaseDueToHarvestBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depletions</link:label>
    <link:label id="lab_ifrs-full_DecreaseDueToHarvestBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_DecreaseDueToHarvestBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease due to harvest, biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DecreaseDueToHarvestBiologicalAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DecreaseDueToHarvestBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DecreaseDueToHarvestBiologicalAssets" xlink:to="lab_ifrs-full_DecreaseDueToHarvestBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TradeAccountsPayableTable_019ff75a-d50c-741d-a422-f2041a153dd4_terseLabel_en-US" xlink:label="lab_suz_TradeAccountsPayableTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade accounts payable [Table]</link:label>
    <link:label id="lab_suz_TradeAccountsPayableTable_label_en-US" xlink:label="lab_suz_TradeAccountsPayableTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade accounts payable [Table]</link:label>
    <link:label id="lab_suz_TradeAccountsPayableTable_documentation_en-US" xlink:label="lab_suz_TradeAccountsPayableTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade accounts payable [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TradeAccountsPayableTable" xlink:href="suz-20260630.xsd#suz_TradeAccountsPayableTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TradeAccountsPayableTable" xlink:to="lab_suz_TradeAccountsPayableTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProbableMember_019ff75a-d484-7471-baa6-ac705492f86e_terseLabel_en-US" xlink:label="lab_suz_ProbableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probable</link:label>
    <link:label id="lab_suz_ProbableMember_label_en-US" xlink:label="lab_suz_ProbableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probable [Member]</link:label>
    <link:label id="lab_suz_ProbableMember_documentation_en-US" xlink:label="lab_suz_ProbableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a probable scenario in a sensitivity analysis</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProbableMember" xlink:href="suz-20260630.xsd#suz_ProbableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProbableMember" xlink:to="lab_suz_ProbableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrAAAMember_019ff75a-d484-7e5d-8e35-0af53a8598af_terseLabel_en-US" xlink:label="lab_suz_BrAAAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">brAAA</link:label>
    <link:label id="lab_suz_BrAAAMember_label_en-US" xlink:label="lab_suz_BrAAAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">brAAA [Member]</link:label>
    <link:label id="lab_suz_BrAAAMember_documentation_en-US" xlink:label="lab_suz_BrAAAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">brAAA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrAAAMember" xlink:href="suz-20260630.xsd#suz_BrAAAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrAAAMember" xlink:to="lab_suz_BrAAAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesCurrent_019ff75a-d5ab-7be0-8bd8-81f3f901933f_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes payable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesCurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax liabilities, current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:to="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MinimumMandatoryDividendsOfTheBylaws_019ff75a-d5ab-7b39-aa40-f7ffaf68af4e_terseLabel_en-US" xlink:label="lab_suz_MinimumMandatoryDividendsOfTheBylaws" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum mandatory dividends of the Bylaws</link:label>
    <link:label id="lab_suz_MinimumMandatoryDividendsOfTheBylaws_label_en-US" xlink:label="lab_suz_MinimumMandatoryDividendsOfTheBylaws" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum mandatory dividends of the Bylaws</link:label>
    <link:label id="lab_suz_MinimumMandatoryDividendsOfTheBylaws_documentation_en-US" xlink:label="lab_suz_MinimumMandatoryDividendsOfTheBylaws" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum mandatory dividends of the Bylaws</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MinimumMandatoryDividendsOfTheBylaws" xlink:href="suz-20260630.xsd#suz_MinimumMandatoryDividendsOfTheBylaws"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MinimumMandatoryDividendsOfTheBylaws" xlink:to="lab_suz_MinimumMandatoryDividendsOfTheBylaws" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IbemaCompanhiaBrasileiraDePapelMember_019ff75a-d484-7bcc-9ec0-485558dd7d0a_terseLabel_en-US" xlink:label="lab_suz_IbemaCompanhiaBrasileiraDePapelMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ibema Companhia Brasileira de Papel (Direct)</link:label>
    <link:label id="lab_suz_IbemaCompanhiaBrasileiraDePapelMember_019ff75a-d484-7718-a7e7-d9ebb1718af5_verboseLabel_en-US" xlink:label="lab_suz_IbemaCompanhiaBrasileiraDePapelMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Ibema Companhia Brasileira de Papel</link:label>
    <link:label id="lab_suz_IbemaCompanhiaBrasileiraDePapelMember_label_en-US" xlink:label="lab_suz_IbemaCompanhiaBrasileiraDePapelMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ibema Companhia Brasileira de Papel [Member]</link:label>
    <link:label id="lab_suz_IbemaCompanhiaBrasileiraDePapelMember_documentation_en-US" xlink:label="lab_suz_IbemaCompanhiaBrasileiraDePapelMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Ibema Companhia Brasileira de Papel ("Ibema") and is in a joint venture with the Company.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IbemaCompanhiaBrasileiraDePapelMember" xlink:href="suz-20260630.xsd#suz_IbemaCompanhiaBrasileiraDePapelMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IbemaCompanhiaBrasileiraDePapelMember" xlink:to="lab_suz_IbemaCompanhiaBrasileiraDePapelMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExpensesRelatingToShortTermAndLowValueAssets_019ff75a-d5ab-7ca3-947a-746554a06740_totalLabel_en-US" xlink:label="lab_suz_ExpensesRelatingToShortTermAndLowValueAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_suz_ExpensesRelatingToShortTermAndLowValueAssets_label_en-US" xlink:label="lab_suz_ExpensesRelatingToShortTermAndLowValueAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expenses Relating to Short Term And Low Value Assets</link:label>
    <link:label id="lab_suz_ExpensesRelatingToShortTermAndLowValueAssets_documentation_en-US" xlink:label="lab_suz_ExpensesRelatingToShortTermAndLowValueAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of lease expense recognized in the statement of income relating to short-term assets and low-value assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExpensesRelatingToShortTermAndLowValueAssets" xlink:href="suz-20260630.xsd#suz_ExpensesRelatingToShortTermAndLowValueAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExpensesRelatingToShortTermAndLowValueAssets" xlink:to="lab_suz_ExpensesRelatingToShortTermAndLowValueAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TranchesAxis_019ff75a-d5ab-785e-a2de-84b2ab032ebf_terseLabel_en-US" xlink:label="lab_suz_TranchesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranches [Axis]</link:label>
    <link:label id="lab_suz_TranchesAxis_label_en-US" xlink:label="lab_suz_TranchesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranches [Axis]</link:label>
    <link:label id="lab_suz_TranchesAxis_documentation_en-US" xlink:label="lab_suz_TranchesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranches</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TranchesAxis" xlink:href="suz-20260630.xsd#suz_TranchesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TranchesAxis" xlink:to="lab_suz_TranchesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SfbcParticipacoesLtdaMember_019ff75a-d484-7c35-a528-94cd19a08b48_terseLabel_en-US" xlink:label="lab_suz_SfbcParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SFBC Participa&#231;&#245;es Ltda. (Direct)</link:label>
    <link:label id="lab_suz_SfbcParticipacoesLtdaMember_label_en-US" xlink:label="lab_suz_SfbcParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SFBC Participacoes Ltda.</link:label>
    <link:label id="lab_suz_SfbcParticipacoesLtdaMember_documentation_en-US" xlink:label="lab_suz_SfbcParticipacoesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for SFBC Participacoes Ltda.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SfbcParticipacoesLtdaMember" xlink:href="suz-20260630.xsd#suz_SfbcParticipacoesLtdaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SfbcParticipacoesLtdaMember" xlink:to="lab_suz_SfbcParticipacoesLtdaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TranchesDomain_019ff75a-d5ab-7b1a-b3bd-35c14deffc89_terseLabel_en-US" xlink:label="lab_suz_TranchesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranches [Domain]</link:label>
    <link:label id="lab_suz_TranchesDomain_label_en-US" xlink:label="lab_suz_TranchesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranches [Domain]</link:label>
    <link:label id="lab_suz_TranchesDomain_documentation_en-US" xlink:label="lab_suz_TranchesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranches [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TranchesDomain" xlink:href="suz-20260630.xsd#suz_TranchesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TranchesDomain" xlink:to="lab_suz_TranchesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill_019ff75a-d3c2-7ee3-8704-36db9c45a844_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers and others</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers and other changes, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_019ff75a-d484-7875-a9fa-04824e3fb268_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments - Fair Value</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value measurement [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MinimumMandatoryDividendsMember_019ff75a-d484-782d-ac74-cda9b3c5b6c5_terseLabel_en-US" xlink:label="lab_suz_MinimumMandatoryDividendsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum mandatory dividends</link:label>
    <link:label id="lab_suz_MinimumMandatoryDividendsMember_label_en-US" xlink:label="lab_suz_MinimumMandatoryDividendsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum mandatory dividends [Member]</link:label>
    <link:label id="lab_suz_MinimumMandatoryDividendsMember_documentation_en-US" xlink:label="lab_suz_MinimumMandatoryDividendsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum mandatory dividends</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MinimumMandatoryDividendsMember" xlink:href="suz-20260630.xsd#suz_MinimumMandatoryDividendsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MinimumMandatoryDividendsMember" xlink:to="lab_suz_MinimumMandatoryDividendsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod_019ff75a-d5ab-78de-b7dc-73870846689d_terseLabel_en-US" xlink:label="lab_suz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation arrangement by share-based payment award, award vesting period</link:label>
    <link:label id="lab_suz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod_label_en-US" xlink:label="lab_suz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</link:label>
    <link:label id="lab_suz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod_documentation_en-US" xlink:label="lab_suz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Period which the right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:href="suz-20260630.xsd#suz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:to="lab_suz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_019ff75a-d50c-7220-8094-fed35acb2e06_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxIncentiveAgencyForTheDevelopmentOfNortheasternBrazilADENEMember_019ff75a-d50c-78d5-a180-a962d7f4c1aa_terseLabel_en-US" xlink:label="lab_suz_TaxIncentiveAgencyForTheDevelopmentOfNortheasternBrazilADENEMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax incentive - Agency for the Development of Northeastern Brazil ("ADENE")</link:label>
    <link:label id="lab_suz_TaxIncentiveAgencyForTheDevelopmentOfNortheasternBrazilADENEMember_label_en-US" xlink:label="lab_suz_TaxIncentiveAgencyForTheDevelopmentOfNortheasternBrazilADENEMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax incentive - Agency for the Development of Northeastern Brazil ("ADENE") [Member]</link:label>
    <link:label id="lab_suz_TaxIncentiveAgencyForTheDevelopmentOfNortheasternBrazilADENEMember_documentation_en-US" xlink:label="lab_suz_TaxIncentiveAgencyForTheDevelopmentOfNortheasternBrazilADENEMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax incentive - Agency for the Development of Northeastern Brazil ("ADENE")</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxIncentiveAgencyForTheDevelopmentOfNortheasternBrazilADENEMember" xlink:href="suz-20260630.xsd#suz_TaxIncentiveAgencyForTheDevelopmentOfNortheasternBrazilADENEMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxIncentiveAgencyForTheDevelopmentOfNortheasternBrazilADENEMember" xlink:to="lab_suz_TaxIncentiveAgencyForTheDevelopmentOfNortheasternBrazilADENEMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestPayable_019ff75a-d3c2-75d5-942e-59edfe03f54d_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest on financing</link:label>
    <link:label id="lab_ifrs-full_InterestPayable_label_en-US" xlink:label="lab_ifrs-full_InterestPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPayable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPayable" xlink:to="lab_ifrs-full_InterestPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentToInterestRateMultiplier_019ff75a-d5ab-763a-8841-4ed9e911a861_terseLabel_en-US" xlink:label="lab_suz_AdjustmentToInterestRateMultiplier" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of basis used to calculate interest rate</link:label>
    <link:label id="lab_suz_AdjustmentToInterestRateMultiplier_label_en-US" xlink:label="lab_suz_AdjustmentToInterestRateMultiplier" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment To Interest Rate, Multiplier</link:label>
    <link:label id="lab_suz_AdjustmentToInterestRateMultiplier_documentation_en-US" xlink:label="lab_suz_AdjustmentToInterestRateMultiplier" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of the basis (reference rate) used for calculation of the interest rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentToInterestRateMultiplier" xlink:href="suz-20260630.xsd#suz_AdjustmentToInterestRateMultiplier"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentToInterestRateMultiplier" xlink:to="lab_suz_AdjustmentToInterestRateMultiplier" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapUsCommodityPriceIndexStandingWoodMember_019ff75a-d5ab-7109-a896-f740e21ef051_terseLabel_en-US" xlink:label="lab_suz_SwapUsCommodityPriceIndexStandingWoodMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap US$ e US-CPI (1)</link:label>
    <link:label id="lab_suz_SwapUsCommodityPriceIndexStandingWoodMember_label_en-US" xlink:label="lab_suz_SwapUsCommodityPriceIndexStandingWoodMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap US-CPI standing wood</link:label>
    <link:label id="lab_suz_SwapUsCommodityPriceIndexStandingWoodMember_documentation_en-US" xlink:label="lab_suz_SwapUsCommodityPriceIndexStandingWoodMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for The embedded derivative refers to the swap for the sale of US-CPI variations within the term of the forest partnership and the provision of standing wood agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapUsCommodityPriceIndexStandingWoodMember" xlink:href="suz-20260630.xsd#suz_SwapUsCommodityPriceIndexStandingWoodMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapUsCommodityPriceIndexStandingWoodMember" xlink:to="lab_suz_SwapUsCommodityPriceIndexStandingWoodMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrAAMemberMember_019ff75a-d50c-7706-b292-f2cf2a6dda00_terseLabel_en-US" xlink:label="lab_suz_BrAAMemberMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">brAA member</link:label>
    <link:label id="lab_suz_BrAAMemberMember_label_en-US" xlink:label="lab_suz_BrAAMemberMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">brAA member [Member]</link:label>
    <link:label id="lab_suz_BrAAMemberMember_documentation_en-US" xlink:label="lab_suz_BrAAMemberMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">brAA member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrAAMemberMember" xlink:href="suz-20260630.xsd#suz_BrAAMemberMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrAAMemberMember" xlink:to="lab_suz_BrAAMemberMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf2000TaxLossMember_019ff75a-d5ab-7818-a70d-0262b56d5d12_terseLabel_en-US" xlink:label="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf2000TaxLossMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IRPJ/CSLL partial approval of offset of 2000 tax loss</link:label>
    <link:label id="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf2000TaxLossMember_label_en-US" xlink:label="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf2000TaxLossMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IRPJ/CSLL partial approval of offset of 2000 tax loss [Member]</link:label>
    <link:label id="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf2000TaxLossMember_documentation_en-US" xlink:label="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf2000TaxLossMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IRPJ/CSLL partial approval of offset of 2000 tax loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IRPJCSLLPartialApprovalOfOffsetOf2000TaxLossMember" xlink:href="suz-20260630.xsd#suz_IRPJCSLLPartialApprovalOfOffsetOf2000TaxLossMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IRPJCSLLPartialApprovalOfOffsetOf2000TaxLossMember" xlink:to="lab_suz_IRPJCSLLPartialApprovalOfOffsetOf2000TaxLossMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_019ff75a-d5ab-7a6e-a397-047c682c1892_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesMember" xlink:to="lab_ifrs-full_LeaseLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherOperatingIncomeExpenseTaxCreditNetOfProvisionForLegalFees_019ff75a-d50c-7643-801d-896db5be63f3_terseLabel_en-US" xlink:label="lab_suz_OtherOperatingIncomeExpenseTaxCreditNetOfProvisionForLegalFees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Operating Income (Expense), Tax Credit, Net of Provision for Legal Fees</link:label>
    <link:label id="lab_suz_OtherOperatingIncomeExpenseTaxCreditNetOfProvisionForLegalFees_label_en-US" xlink:label="lab_suz_OtherOperatingIncomeExpenseTaxCreditNetOfProvisionForLegalFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Income (Expense), Tax Credit, Net of Provision for Legal Fees</link:label>
    <link:label id="lab_suz_OtherOperatingIncomeExpenseTaxCreditNetOfProvisionForLegalFees_documentation_en-US" xlink:label="lab_suz_OtherOperatingIncomeExpenseTaxCreditNetOfProvisionForLegalFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Operating Income (Expense), Tax Credit, Net of Provision for Legal Fees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherOperatingIncomeExpenseTaxCreditNetOfProvisionForLegalFees" xlink:href="suz-20260630.xsd#suz_OtherOperatingIncomeExpenseTaxCreditNetOfProvisionForLegalFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherOperatingIncomeExpenseTaxCreditNetOfProvisionForLegalFees" xlink:to="lab_suz_OtherOperatingIncomeExpenseTaxCreditNetOfProvisionForLegalFees" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_March2031Member_019ff75a-d5ab-79e7-8b10-9cf950a0d10c_terseLabel_en-US" xlink:label="lab_suz_March2031Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">March 2031</link:label>
    <link:label id="lab_suz_March2031Member_label_en-US" xlink:label="lab_suz_March2031Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">March 2031 [Member]</link:label>
    <link:label id="lab_suz_March2031Member_documentation_en-US" xlink:label="lab_suz_March2031Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">March 2031</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_March2031Member" xlink:href="suz-20260630.xsd#suz_March2031Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_March2031Member" xlink:to="lab_suz_March2031Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoInternationalFinanceB.vMember_019ff75a-d484-713a-a734-7a725b5a4bbb_terseLabel_en-US" xlink:label="lab_suz_SuzanoInternationalFinanceB.vMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano International Finance B.V. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoInternationalFinanceB.vMember_label_en-US" xlink:label="lab_suz_SuzanoInternationalFinanceB.vMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano International Finance B.V</link:label>
    <link:label id="lab_suz_SuzanoInternationalFinanceB.vMember_documentation_en-US" xlink:label="lab_suz_SuzanoInternationalFinanceB.vMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano International Finance B.V.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoInternationalFinanceB.vMember" xlink:href="suz-20260630.xsd#suz_SuzanoInternationalFinanceB.vMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoInternationalFinanceB.vMember" xlink:to="lab_suz_SuzanoInternationalFinanceB.vMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EmployerContributionsLineItems_019ff75a-d484-74c1-8507-a14d10102c33_terseLabel_en-US" xlink:label="lab_suz_EmployerContributionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer Contributions [Line Items]</link:label>
    <link:label id="lab_suz_EmployerContributionsLineItems_label_en-US" xlink:label="lab_suz_EmployerContributionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employer Contributions [Line Items]</link:label>
    <link:label id="lab_suz_EmployerContributionsLineItems_documentation_en-US" xlink:label="lab_suz_EmployerContributionsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employer Contributions [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EmployerContributionsLineItems" xlink:href="suz-20260630.xsd#suz_EmployerContributionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EmployerContributionsLineItems" xlink:to="lab_suz_EmployerContributionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PaymentsForProceedsFromProductiveAssets_019ff75a-d5ab-77bd-835a-57f149b5a369_negatedTerseLabel_en-US" xlink:label="lab_suz_PaymentsForProceedsFromProductiveAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Advances for acquisition of wood from operations with development and partnerships</link:label>
    <link:label id="lab_suz_PaymentsForProceedsFromProductiveAssets_label_en-US" xlink:label="lab_suz_PaymentsForProceedsFromProductiveAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Productive Assets</link:label>
    <link:label id="lab_suz_PaymentsForProceedsFromProductiveAssets_documentation_en-US" xlink:label="lab_suz_PaymentsForProceedsFromProductiveAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net cash outflow or inflow from purchases, sales and disposals of property, plant and equipment and other productive assets, including intangibles.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaymentsForProceedsFromProductiveAssets" xlink:href="suz-20260630.xsd#suz_PaymentsForProceedsFromProductiveAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaymentsForProceedsFromProductiveAssets" xlink:to="lab_suz_PaymentsForProceedsFromProductiveAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_April2031Member_019ff75a-d5ab-7342-814e-ad95e002ce59_terseLabel_en-US" xlink:label="lab_suz_April2031Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">April 2031 [Member]</link:label>
    <link:label id="lab_suz_April2031Member_label_en-US" xlink:label="lab_suz_April2031Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">April 2031 [Member]</link:label>
    <link:label id="lab_suz_April2031Member_documentation_en-US" xlink:label="lab_suz_April2031Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">April 2031</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_April2031Member" xlink:href="suz-20260630.xsd#suz_April2031Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_April2031Member" xlink:to="lab_suz_April2031Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments_019ff75a-d50c-7689-8b93-9ed1c073561e_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value investments in equity measured at fair value through other comprehensive income (1)</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, before tax, gains (losses) from investments in equity instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PercentageOfPermanencyInPlan_019ff75a-d5ab-7fe2-9cb1-30c551de3144_terseLabel_en-US" xlink:label="lab_suz_PercentageOfPermanencyInPlan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of Permanency in the Plan</link:label>
    <link:label id="lab_suz_PercentageOfPermanencyInPlan_label_en-US" xlink:label="lab_suz_PercentageOfPermanencyInPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Permanency in the Plan</link:label>
    <link:label id="lab_suz_PercentageOfPermanencyInPlan_documentation_en-US" xlink:label="lab_suz_PercentageOfPermanencyInPlan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of permanency in the plan used as a significant actuarial assumption to determine the present value of a defined benefit obligation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PercentageOfPermanencyInPlan" xlink:href="suz-20260630.xsd#suz_PercentageOfPermanencyInPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PercentageOfPermanencyInPlan" xlink:to="lab_suz_PercentageOfPermanencyInPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonControllingShareholdersMember_019ff75a-d50c-7254-9f28-006fe9071da1_terseLabel_en-US" xlink:label="lab_suz_NonControllingShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Controlling Shareholders</link:label>
    <link:label id="lab_suz_NonControllingShareholdersMember_label_en-US" xlink:label="lab_suz_NonControllingShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Controlling Shareholders [Member]</link:label>
    <link:label id="lab_suz_NonControllingShareholdersMember_documentation_en-US" xlink:label="lab_suz_NonControllingShareholdersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-Controlling Shareholders</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonControllingShareholdersMember" xlink:href="suz-20260630.xsd#suz_NonControllingShareholdersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonControllingShareholdersMember" xlink:to="lab_suz_NonControllingShareholdersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_019ff75a-d3c2-74fd-930d-70cb058da572_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities, at fair value</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralTextBlock_019ff75a-d50c-7ff6-925f-3fd059d009d2_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Property, Plant and Equipment Pledged as Collateral [Table]</link:label>
    <link:label id="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Property, Plant and Equipment Pledged as Collateral [Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Items pledged as collateral</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralTextBlock" xlink:to="lab_suz_DisclosureOfPropertyPlantAndEquipmentPledgedAsCollateralTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_019ff75a-d484-7087-af4f-7bcd20b585f4_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_019ff75a-d484-792f-8bd6-4612f78c37a0_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgingInstrumentsDomain_019ff75a-d3c2-771a-85df-06ae5a4ee8ef_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_HedgingInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgingInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_HedgingInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentsDomain" xlink:to="lab_ifrs-full_HedgingInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BexmaParticipacoesLtda.Member_019ff75a-d484-7523-8d51-b893da564623_terseLabel_en-US" xlink:label="lab_suz_BexmaParticipacoesLtda.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bexma Participacoes Ltda.</link:label>
    <link:label id="lab_suz_BexmaParticipacoesLtda.Member_label_en-US" xlink:label="lab_suz_BexmaParticipacoesLtda.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bexma Participacoes Ltda.</link:label>
    <link:label id="lab_suz_BexmaParticipacoesLtda.Member_documentation_en-US" xlink:label="lab_suz_BexmaParticipacoesLtda.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Bexma Participacoes Ltda. ("Bexma"), a related party, controlled by key management personnel.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BexmaParticipacoesLtda.Member" xlink:href="suz-20260630.xsd#suz_BexmaParticipacoesLtda.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BexmaParticipacoesLtda.Member" xlink:to="lab_suz_BexmaParticipacoesLtda.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_019ff75a-d5ab-72f3-8d4c-db59397be71f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments - Exchange rate risk management</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of effect of changes in foreign exchange rates [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_VeracelCeluloseS.a.Member_019ff75a-d484-705c-b18d-5a4eb25fb489_terseLabel_en-US" xlink:label="lab_suz_VeracelCeluloseS.a.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Veracel Celulose S.A. (Direct)</link:label>
    <link:label id="lab_suz_VeracelCeluloseS.a.Member_label_en-US" xlink:label="lab_suz_VeracelCeluloseS.a.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Veracel Celulose S.A.</link:label>
    <link:label id="lab_suz_VeracelCeluloseS.a.Member_documentation_en-US" xlink:label="lab_suz_VeracelCeluloseS.a.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Veracel Celulose S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_VeracelCeluloseS.a.Member" xlink:href="suz-20260630.xsd#suz_VeracelCeluloseS.a.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_VeracelCeluloseS.a.Member" xlink:to="lab_suz_VeracelCeluloseS.a.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TopOfRangeMember_019ff75a-d484-7637-a518-882f5d65ecf1_terseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Top of range</link:label>
    <link:label id="lab_ifrs-full_TopOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Top of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TopOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TopOfRangeMember" xlink:to="lab_ifrs-full_TopOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareLineItems_019ff75a-d3c2-77ce-91cc-ab82f89ca59c_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share [line items]</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareLineItems_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareLineItems" xlink:to="lab_ifrs-full_EarningsPerShareLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoTradingInternationalKftMember_019ff75a-d50c-7a86-b898-4b256a124ba2_terseLabel_en-US" xlink:label="lab_suz_SuzanoTradingInternationalKftMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Trading International KFT(Direct)</link:label>
    <link:label id="lab_suz_SuzanoTradingInternationalKftMember_label_en-US" xlink:label="lab_suz_SuzanoTradingInternationalKftMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Trading International KFT</link:label>
    <link:label id="lab_suz_SuzanoTradingInternationalKftMember_documentation_en-US" xlink:label="lab_suz_SuzanoTradingInternationalKftMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Trading International KFT.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoTradingInternationalKftMember" xlink:href="suz-20260630.xsd#suz_SuzanoTradingInternationalKftMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoTradingInternationalKftMember" xlink:to="lab_suz_SuzanoTradingInternationalKftMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CostOfSalesOtherCosts_019ff75a-d50c-7957-af49-f08557fc6cb6_negatedTerseLabel_en-US" xlink:label="lab_suz_CostOfSalesOtherCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_suz_CostOfSalesOtherCosts_label_en-US" xlink:label="lab_suz_CostOfSalesOtherCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Sales, Other costs</link:label>
    <link:label id="lab_suz_CostOfSalesOtherCosts_documentation_en-US" xlink:label="lab_suz_CostOfSalesOtherCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other costs incurred during the reporting period related to cost of sales.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CostOfSalesOtherCosts" xlink:href="suz-20260630.xsd#suz_CostOfSalesOtherCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CostOfSalesOtherCosts" xlink:to="lab_suz_CostOfSalesOtherCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MarketInterestRateExposurePercentageOfIncreaseDecrease_019ff75a-d5ab-798d-afe6-ac555e0b2682_terseLabel_en-US" xlink:label="lab_suz_MarketInterestRateExposurePercentageOfIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market interest rate exposure, percentage of increase (decrease)</link:label>
    <link:label id="lab_suz_MarketInterestRateExposurePercentageOfIncreaseDecrease_label_en-US" xlink:label="lab_suz_MarketInterestRateExposurePercentageOfIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Interest Rate Exposure, Percentage of increase (decrease)</link:label>
    <link:label id="lab_suz_MarketInterestRateExposurePercentageOfIncreaseDecrease_documentation_en-US" xlink:label="lab_suz_MarketInterestRateExposurePercentageOfIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market Interest Rate Exposure, Percentage of increase (decrease)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MarketInterestRateExposurePercentageOfIncreaseDecrease" xlink:href="suz-20260630.xsd#suz_MarketInterestRateExposurePercentageOfIncreaseDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MarketInterestRateExposurePercentageOfIncreaseDecrease" xlink:to="lab_suz_MarketInterestRateExposurePercentageOfIncreaseDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StatementScenarioAxis_019ff75a-d484-7bf0-9d10-821bb5fd965f_terseLabel_en-US" xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:label id="lab_srt_StatementScenarioAxis_label_en-US" xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementScenarioAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementScenarioAxis" xlink:to="lab_srt_StatementScenarioAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_019ff75a-d5ab-7a90-be68-8e1c17de88b7_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentAssets" xlink:to="lab_ifrs-full_OtherNoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DebenturesMember_019ff75a-d50c-7148-b881-a8411445aa14_terseLabel_en-US" xlink:label="lab_suz_DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debentures</link:label>
    <link:label id="lab_suz_DebenturesMember_label_en-US" xlink:label="lab_suz_DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debentures [Member]</link:label>
    <link:label id="lab_suz_DebenturesMember_documentation_en-US" xlink:label="lab_suz_DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for debentures.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DebenturesMember" xlink:href="suz-20260630.xsd#suz_DebenturesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DebenturesMember" xlink:to="lab_suz_DebenturesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_May2024Member_019ff75a-d484-707a-b591-f7d3ba1ec750_terseLabel_en-US" xlink:label="lab_suz_May2024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">May 2024</link:label>
    <link:label id="lab_suz_May2024Member_label_en-US" xlink:label="lab_suz_May2024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">May 2024 [Member]</link:label>
    <link:label id="lab_suz_May2024Member_documentation_en-US" xlink:label="lab_suz_May2024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">May 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_May2024Member" xlink:href="suz-20260630.xsd#suz_May2024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_May2024Member" xlink:to="lab_suz_May2024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SeriesTwoMember_019ff75a-d5ab-74ac-ac16-d8dcdf4a15af_terseLabel_en-US" xlink:label="lab_suz_SeriesTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SeriesTwo</link:label>
    <link:label id="lab_suz_SeriesTwoMember_label_en-US" xlink:label="lab_suz_SeriesTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SeriesTwo [Member]</link:label>
    <link:label id="lab_suz_SeriesTwoMember_documentation_en-US" xlink:label="lab_suz_SeriesTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SeriesTwo</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SeriesTwoMember" xlink:href="suz-20260630.xsd#suz_SeriesTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SeriesTwoMember" xlink:to="lab_suz_SeriesTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ReserveAsPercentageOfShareCapital_019ff75a-d5ab-7ad5-9a75-f34a422eeeef_terseLabel_en-US" xlink:label="lab_suz_ReserveAsPercentageOfShareCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Limit on share capital %</link:label>
    <link:label id="lab_suz_ReserveAsPercentageOfShareCapital_label_en-US" xlink:label="lab_suz_ReserveAsPercentageOfShareCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve as Percentage of Share Capital</link:label>
    <link:label id="lab_suz_ReserveAsPercentageOfShareCapital_documentation_en-US" xlink:label="lab_suz_ReserveAsPercentageOfShareCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the reserve as a percentage of share capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ReserveAsPercentageOfShareCapital" xlink:href="suz-20260630.xsd#suz_ReserveAsPercentageOfShareCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ReserveAsPercentageOfShareCapital" xlink:to="lab_suz_ReserveAsPercentageOfShareCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_019ff75a-d5ab-712f-b383-11694dadee5b_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2029</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than three years and not later than four years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:to="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughReversalOrProvisionForJudicialLiabilitiesDeferredTaxLiabilityAsset_019ff75a-d484-7f8f-9009-742440955282_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughReversalOrProvisionForJudicialLiabilitiesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for judicial liabilities</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughReversalOrProvisionForJudicialLiabilitiesDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughReversalOrProvisionForJudicialLiabilitiesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease Through Reversal Or Provision For Judicial Liabilities Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughReversalOrProvisionForJudicialLiabilitiesDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughReversalOrProvisionForJudicialLiabilitiesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from (reversal)/provision for judicial liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughReversalOrProvisionForJudicialLiabilitiesDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughReversalOrProvisionForJudicialLiabilitiesDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughReversalOrProvisionForJudicialLiabilitiesDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughReversalOrProvisionForJudicialLiabilitiesDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_019ff75a-d5ab-73b6-a2aa-484e39a14c86_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of goodwill and intangible assets with indefinite useful life</link:label>
    <link:label id="lab_suz_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Intangible Assets and Goodwill [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" xlink:to="lab_suz_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProportionOfOwnershipInterestInEquitySecuritiesAccountingMethodJointOperation_019ff75a-d5ab-7032-b25d-d293d1b84223_terseLabel_en-US" xlink:label="lab_suz_ProportionOfOwnershipInterestInEquitySecuritiesAccountingMethodJointOperation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proportion Of Ownership Interest in Equity Securities, accounting method, Joint operation</link:label>
    <link:label id="lab_suz_ProportionOfOwnershipInterestInEquitySecuritiesAccountingMethodJointOperation_label_en-US" xlink:label="lab_suz_ProportionOfOwnershipInterestInEquitySecuritiesAccountingMethodJointOperation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion Of Ownership Interest in Equity Securities, accounting method, Joint operation</link:label>
    <link:label id="lab_suz_ProportionOfOwnershipInterestInEquitySecuritiesAccountingMethodJointOperation_documentation_en-US" xlink:label="lab_suz_ProportionOfOwnershipInterestInEquitySecuritiesAccountingMethodJointOperation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proportion Of Ownership Interest in Equity Securities, accounting method, Joint operation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProportionOfOwnershipInterestInEquitySecuritiesAccountingMethodJointOperation" xlink:href="suz-20260630.xsd#suz_ProportionOfOwnershipInterestInEquitySecuritiesAccountingMethodJointOperation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProportionOfOwnershipInterestInEquitySecuritiesAccountingMethodJointOperation" xlink:to="lab_suz_ProportionOfOwnershipInterestInEquitySecuritiesAccountingMethodJointOperation" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrAAMemberrMember_019ff75a-d5ab-7e78-8a84-db3245efb7c1_terseLabel_en-US" xlink:label="lab_suz_BrAAMemberrMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">brAA- memberr</link:label>
    <link:label id="lab_suz_BrAAMemberrMember_label_en-US" xlink:label="lab_suz_BrAAMemberrMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">brAA- memberr [Member]</link:label>
    <link:label id="lab_suz_BrAAMemberrMember_documentation_en-US" xlink:label="lab_suz_BrAAMemberrMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">brAA- memberr</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrAAMemberrMember" xlink:href="suz-20260630.xsd#suz_BrAAMemberrMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrAAMemberrMember" xlink:to="lab_suz_BrAAMemberrMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_StenfarS.a.Indl.Coml.Imp.Y.Exp.Member_019ff75a-d50c-7be3-9ab6-1257b40434f8_terseLabel_en-US" xlink:label="lab_suz_StenfarS.a.Indl.Coml.Imp.Y.Exp.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Argentina S.A.U (Direct)</link:label>
    <link:label id="lab_suz_StenfarS.a.Indl.Coml.Imp.Y.Exp.Member_label_en-US" xlink:label="lab_suz_StenfarS.a.Indl.Coml.Imp.Y.Exp.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stenfar S.A. Indl. Coml. Imp. Y. Exp.</link:label>
    <link:label id="lab_suz_StenfarS.a.Indl.Coml.Imp.Y.Exp.Member_documentation_en-US" xlink:label="lab_suz_StenfarS.a.Indl.Coml.Imp.Y.Exp.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Stenfar S.A. Indl. Coml. Imp. Y. Exp.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_StenfarS.a.Indl.Coml.Imp.Y.Exp.Member" xlink:href="suz-20260630.xsd#suz_StenfarS.a.Indl.Coml.Imp.Y.Exp.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_StenfarS.a.Indl.Coml.Imp.Y.Exp.Member" xlink:to="lab_suz_StenfarS.a.Indl.Coml.Imp.Y.Exp.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LegalProceedingsProvisionDuringPeriod_019ff75a-d50c-7e64-979f-c08985dacd78_terseLabel_en-US" xlink:label="lab_suz_LegalProceedingsProvisionDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for judicial liabilities</link:label>
    <link:label id="lab_suz_LegalProceedingsProvisionDuringPeriod_label_en-US" xlink:label="lab_suz_LegalProceedingsProvisionDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Proceedings Provision During the Period</link:label>
    <link:label id="lab_suz_LegalProceedingsProvisionDuringPeriod_documentation_en-US" xlink:label="lab_suz_LegalProceedingsProvisionDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of provision for legal proceedings during the period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LegalProceedingsProvisionDuringPeriod" xlink:href="suz-20260630.xsd#suz_LegalProceedingsProvisionDuringPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LegalProceedingsProvisionDuringPeriod" xlink:to="lab_suz_LegalProceedingsProvisionDuringPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_019ff75a-d5ab-7759-a3d2-3ab13db64977_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Items with no subsequent effect on income (loss)</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income that will not be reclassified to profit or loss, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonCurrentFunding_019ff75a-d5ab-773b-a490-8b8a17592741_terseLabel_en-US" xlink:label="lab_suz_NonCurrentFunding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current funding</link:label>
    <link:label id="lab_suz_NonCurrentFunding_label_en-US" xlink:label="lab_suz_NonCurrentFunding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Current Funding</link:label>
    <link:label id="lab_suz_NonCurrentFunding_documentation_en-US" xlink:label="lab_suz_NonCurrentFunding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of non-current funding.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonCurrentFunding" xlink:href="suz-20260630.xsd#suz_NonCurrentFunding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonCurrentFunding" xlink:to="lab_suz_NonCurrentFunding" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IPCAMember_019ff75a-d50c-721e-8b72-24c3ef259b25_terseLabel_en-US" xlink:label="lab_suz_IPCAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IPCA</link:label>
    <link:label id="lab_suz_IPCAMember_label_en-US" xlink:label="lab_suz_IPCAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IPCA + [Member]</link:label>
    <link:label id="lab_suz_IPCAMember_documentation_en-US" xlink:label="lab_suz_IPCAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IPCA +</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IPCAMember" xlink:href="suz-20260630.xsd#suz_IPCAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IPCAMember" xlink:to="lab_suz_IPCAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ForeignCountriesMember_019ff75a-d5ab-710c-81c4-6350ca2b9b93_terseLabel_en-US" xlink:label="lab_ifrs-full_ForeignCountriesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign countries</link:label>
    <link:label id="lab_ifrs-full_ForeignCountriesMember_019ff75a-d5ab-74d6-8cd3-57faea177e01_verboseLabel_en-US" xlink:label="lab_ifrs-full_ForeignCountriesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Foreign countries [member]</link:label>
    <link:label id="lab_ifrs-full_ForeignCountriesMember_label_en-US" xlink:label="lab_ifrs-full_ForeignCountriesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign countries [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ForeignCountriesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ForeignCountriesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ForeignCountriesMember" xlink:to="lab_ifrs-full_ForeignCountriesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_019ff75a-d5ab-7f6c-8e1f-3243948b3fc5_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for measuring inventories [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_019ff75a-d484-7f31-b42d-30d853e8b326_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DefinedContributionPlanAnnualContributionsByCompanyPerEmployeePercent_019ff75a-d484-7f52-a967-1f283735d7f4_terseLabel_en-US" xlink:label="lab_suz_DefinedContributionPlanAnnualContributionsByCompanyPerEmployeePercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Annual Contributions by the Company Per Employee, Percent</link:label>
    <link:label id="lab_suz_DefinedContributionPlanAnnualContributionsByCompanyPerEmployeePercent_label_en-US" xlink:label="lab_suz_DefinedContributionPlanAnnualContributionsByCompanyPerEmployeePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Annual Contributions by the Company Per Employee, Percent</link:label>
    <link:label id="lab_suz_DefinedContributionPlanAnnualContributionsByCompanyPerEmployeePercent_documentation_en-US" xlink:label="lab_suz_DefinedContributionPlanAnnualContributionsByCompanyPerEmployeePercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of employee gross pay the Company contributes to a defined contribution plan per employee.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DefinedContributionPlanAnnualContributionsByCompanyPerEmployeePercent" xlink:href="suz-20260630.xsd#suz_DefinedContributionPlanAnnualContributionsByCompanyPerEmployeePercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DefinedContributionPlanAnnualContributionsByCompanyPerEmployeePercent" xlink:to="lab_suz_DefinedContributionPlanAnnualContributionsByCompanyPerEmployeePercent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotesAndOtherExplanatoryInformationAbstract_019ff75a-d484-79a0-aa2c-c0df79c984a8_terseLabel_en-US" xlink:label="lab_ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes and other explanatory information [abstract]</link:label>
    <link:label id="lab_ifrs-full_NotesAndOtherExplanatoryInformationAbstract_label_en-US" xlink:label="lab_ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes and other explanatory information [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotesAndOtherExplanatoryInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:to="lab_ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxBenefitOnUnamortizedGoodwillDeferredTaxLiabilityAsset_019ff75a-d5ab-77c4-bc55-ac5f1bf17b44_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxBenefitOnUnamortizedGoodwillDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill - tax benefit on unamortized goodwill</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxBenefitOnUnamortizedGoodwillDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxBenefitOnUnamortizedGoodwillDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Tax Benefit on Unamortized Goodwill, Deferred Tax Liability Asset</link:label>
    <link:label id="lab_suz_IncreaseDecreaseThroughTaxBenefitOnUnamortizedGoodwillDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseThroughTaxBenefitOnUnamortizedGoodwillDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liability (asset) resulting from tax benefit on unamortized goodwill.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseThroughTaxBenefitOnUnamortizedGoodwillDeferredTaxLiabilityAsset" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseThroughTaxBenefitOnUnamortizedGoodwillDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseThroughTaxBenefitOnUnamortizedGoodwillDeferredTaxLiabilityAsset" xlink:to="lab_suz_IncreaseDecreaseThroughTaxBenefitOnUnamortizedGoodwillDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrBBMemberMember_019ff75a-d3c2-761f-b2ad-1591e109b9bb_terseLabel_en-US" xlink:label="lab_suz_BrBBMemberMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">brBB- member</link:label>
    <link:label id="lab_suz_BrBBMemberMember_label_en-US" xlink:label="lab_suz_BrBBMemberMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">brBB- member [Member]</link:label>
    <link:label id="lab_suz_BrBBMemberMember_documentation_en-US" xlink:label="lab_suz_BrBBMemberMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">brBB- member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrBBMemberMember" xlink:href="suz-20260630.xsd#suz_BrBBMemberMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrBBMemberMember" xlink:to="lab_suz_BrBBMemberMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Term3MonthsMember_019ff75a-d50c-726e-b7cc-b2b5e2f59b5a_terseLabel_en-US" xlink:label="lab_suz_Term3MonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term, 3-month</link:label>
    <link:label id="lab_suz_Term3MonthsMember_label_en-US" xlink:label="lab_suz_Term3MonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term, 3 months [Member]</link:label>
    <link:label id="lab_suz_Term3MonthsMember_documentation_en-US" xlink:label="lab_suz_Term3MonthsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Term, 3 months</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Term3MonthsMember" xlink:href="suz-20260630.xsd#suz_Term3MonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Term3MonthsMember" xlink:to="lab_suz_Term3MonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_019ff75a-d484-7623-a46b-66c0f91f5ce7_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [domain]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameDomain" xlink:to="lab_ifrs-full_BorrowingsByNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherRelatedPartiesMember_019ff75a-d484-7941-8775-c3640f7451a1_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other shareholders</link:label>
    <link:label id="lab_ifrs-full_OtherRelatedPartiesMember_label_en-US" xlink:label="lab_ifrs-full_OtherRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other related parties [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherRelatedPartiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherRelatedPartiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherRelatedPartiesMember" xlink:to="lab_ifrs-full_OtherRelatedPartiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember_019ff75a-d50c-7433-a535-8e0ac9f7fbe7_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">From 61 to 90 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than two months and not later than three months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:to="lab_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019ff75a-d3c2-7e57-8416-92436c5ff03d_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment loss (reversal of impairment loss) recognised in profit or loss</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss (reversal of impairment loss) recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_019ff75a-d5ab-7b1e-be12-734f649245cd_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency risk</link:label>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_label_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrencyRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrencyRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrencyRiskMember" xlink:to="lab_ifrs-full_CurrencyRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_019ff75a-d5ab-78dc-a622-64124d185647_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade accounts receivable</link:label>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_label_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade receivables [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeReceivablesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeReceivablesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeReceivablesMember" xlink:to="lab_ifrs-full_TradeReceivablesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_019ff75a-d484-70b2-9e1d-a3631cfa930b_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales</link:label>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_019ff75a-d484-7c36-aad3-8535c0ef633b_verboseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net sales</link:label>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_019ff75a-d484-79a4-be98-466b62395541_totalLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net sales</link:label>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_label_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from contracts with customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromContractsWithCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:to="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPriceChangesBiologicalAssets_019ff75a-d5ab-7a9f-a344-b6ecb2ec5904_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPriceChangesBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Price</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPriceChangesBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPriceChangesBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on fair value adjustment attributable to price changes, biological assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPriceChangesBiologicalAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPriceChangesBiologicalAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPriceChangesBiologicalAssets" xlink:to="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPriceChangesBiologicalAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnAcquisitionOfFixedAssets_019ff75a-d5ab-72c8-87a1-ea16dbb3eff7_terseLabel_en-US" xlink:label="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnAcquisitionOfFixedAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ICMS &#8211; on acquisitions of property, plant and equipment (3)</link:label>
    <link:label id="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnAcquisitionOfFixedAssets_label_en-US" xlink:label="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnAcquisitionOfFixedAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recoverable Taxes, Value Added Tax on Sales and Services on Acquisition of Fixed Assets</link:label>
    <link:label id="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnAcquisitionOfFixedAssets_documentation_en-US" xlink:label="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnAcquisitionOfFixedAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of recoverable taxes from value added tax on sales and services relating to acquisition of fixed assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnAcquisitionOfFixedAssets" xlink:href="suz-20260630.xsd#suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnAcquisitionOfFixedAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnAcquisitionOfFixedAssets" xlink:to="lab_suz_RecoverableTaxesValueAddedTaxOnSalesAndServicesOnAcquisitionOfFixedAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member_019ff75a-d484-7719-ad1d-fccafe021528_terseLabel_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL disallowance of depreciation, amortization and depletion expenses - 2010</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member_label_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL disallowance of depreciation, amortization and depletion expenses - 2010 [Member]</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member_documentation_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL disallowance of depreciation, amortization and depletion expenses - 2010</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxAssessmentIRPJCSLLDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:href="suz-20260630.xsd#suz_IncomeTaxAssessmentIRPJCSLLDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxAssessmentIRPJCSLLDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:to="lab_suz_IncomeTaxAssessmentIRPJCSLLDisallowanceOfDepreciationAmortizationAndDepletionExpenses2010Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PlanNameAxis_019ff75a-d50c-71d1-b50c-12b8e87dc377_terseLabel_en-US" xlink:label="lab_suz_PlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plan Name [Axis]</link:label>
    <link:label id="lab_suz_PlanNameAxis_label_en-US" xlink:label="lab_suz_PlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plan Name [Axis]</link:label>
    <link:label id="lab_suz_PlanNameAxis_documentation_en-US" xlink:label="lab_suz_PlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information by plan name pertaining to equity-based compensation arrangements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PlanNameAxis" xlink:href="suz-20260630.xsd#suz_PlanNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PlanNameAxis" xlink:to="lab_suz_PlanNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_019ff75a-d5ab-7fce-8aef-f23f5d5ac20f_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilities" xlink:to="lab_ifrs-full_DeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StatementGeographicalAxis_019ff75a-d484-7f2d-906e-45cca64791c0_terseLabel_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:label id="lab_srt_StatementGeographicalAxis_label_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementGeographicalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementGeographicalAxis" xlink:to="lab_srt_StatementGeographicalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTextBlock_019ff75a-d5ab-7a14-8720-e03554232d9a_terseLabel_en-US" xlink:label="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Present Value Of Lease Liabilities [Table Text Block ]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTextBlock_label_en-US" xlink:label="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Present Value Of Lease Liabilities [Text Block]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTextBlock_documentation_en-US" xlink:label="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the present value of lease liabilities classified as operating leases.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTextBlock" xlink:href="suz-20260630.xsd#suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTextBlock" xlink:to="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ScheduleOfFairValueByMaturityTableTextBlock_019ff75a-d484-7fd0-a9b2-4df558502090_terseLabel_en-US" xlink:label="lab_suz_ScheduleOfFairValueByMaturityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments - Fair Value Maturity</link:label>
    <link:label id="lab_suz_ScheduleOfFairValueByMaturityTableTextBlock_label_en-US" xlink:label="lab_suz_ScheduleOfFairValueByMaturityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of fair value by maturity [Table Text Block]</link:label>
    <link:label id="lab_suz_ScheduleOfFairValueByMaturityTableTextBlock_documentation_en-US" xlink:label="lab_suz_ScheduleOfFairValueByMaturityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of fair value by maturity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ScheduleOfFairValueByMaturityTableTextBlock" xlink:href="suz-20260630.xsd#suz_ScheduleOfFairValueByMaturityTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ScheduleOfFairValueByMaturityTableTextBlock" xlink:to="lab_suz_ScheduleOfFairValueByMaturityTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_019ff75a-d5ab-7ef6-b4ec-db72a34b3633_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payment of income taxes</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income taxes paid (refund), classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_019ff75a-d484-7755-ac44-13b4c1dbe329_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income (loss)</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncome" xlink:to="lab_ifrs-full_OtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_May2025Member_019ff75a-d50c-743c-92cf-b314188149c0_terseLabel_en-US" xlink:label="lab_suz_May2025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">May 2025 [Member]</link:label>
    <link:label id="lab_suz_May2025Member_label_en-US" xlink:label="lab_suz_May2025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">May 2025 [Member]</link:label>
    <link:label id="lab_suz_May2025Member_documentation_en-US" xlink:label="lab_suz_May2025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">May 2025</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_May2025Member" xlink:href="suz-20260630.xsd#suz_May2025Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_May2025Member" xlink:to="lab_suz_May2025Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_019ff75a-d484-7c14-ac22-f8aa7c040c91_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureAdvancesToSuppliersExplanatoryTextBlock_019ff75a-d484-714e-9a00-4e1c0c30992c_terseLabel_en-US" xlink:label="lab_suz_DisclosureAdvancesToSuppliersExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Advances To Suppliers Explanatory</link:label>
    <link:label id="lab_suz_DisclosureAdvancesToSuppliersExplanatoryTextBlock_label_en-US" xlink:label="lab_suz_DisclosureAdvancesToSuppliersExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Advances To Suppliers Explanatory [Text Block]</link:label>
    <link:label id="lab_suz_DisclosureAdvancesToSuppliersExplanatoryTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureAdvancesToSuppliersExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of advances to suppliers related to the forestry partnership programs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureAdvancesToSuppliersExplanatoryTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureAdvancesToSuppliersExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureAdvancesToSuppliersExplanatoryTextBlock" xlink:to="lab_suz_DisclosureAdvancesToSuppliersExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SellingExpenseOtherExpenses_019ff75a-d50c-771e-a5fe-0d22c96be5e6_negatedTerseLabel_en-US" xlink:label="lab_suz_SellingExpenseOtherExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other (2)</link:label>
    <link:label id="lab_suz_SellingExpenseOtherExpenses_label_en-US" xlink:label="lab_suz_SellingExpenseOtherExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling Expense, Other Expenses</link:label>
    <link:label id="lab_suz_SellingExpenseOtherExpenses_documentation_en-US" xlink:label="lab_suz_SellingExpenseOtherExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other expenses relating to selling expenses. Includes provision for doubtful accounts, insurance, materials (use and consumption), expenses with travel, accommodation, participation in trade fairs and events.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SellingExpenseOtherExpenses" xlink:href="suz-20260630.xsd#suz_SellingExpenseOtherExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SellingExpenseOtherExpenses" xlink:to="lab_suz_SellingExpenseOtherExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExpectedCreditLosses_019ff75a-d5ab-70dc-9959-cf0da933aa60_terseLabel_en-US" xlink:label="lab_suz_ExpectedCreditLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated losses</link:label>
    <link:label id="lab_suz_ExpectedCreditLosses_label_en-US" xlink:label="lab_suz_ExpectedCreditLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected credit losses</link:label>
    <link:label id="lab_suz_ExpectedCreditLosses_documentation_en-US" xlink:label="lab_suz_ExpectedCreditLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of an allowance account used to record impairments to financial assets due to credit losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExpectedCreditLosses" xlink:href="suz-20260630.xsd#suz_ExpectedCreditLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExpectedCreditLosses" xlink:to="lab_suz_ExpectedCreditLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TreasurySharesMember_019ff75a-d50c-7f68-90a0-52bef7bf1276_terseLabel_en-US" xlink:label="lab_ifrs-full_TreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury shares</link:label>
    <link:label id="lab_ifrs-full_TreasurySharesMember_019ff75a-d50c-72bc-8047-7f16db0bee9d_verboseLabel_en-US" xlink:label="lab_ifrs-full_TreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Treasury (Note 27.2)</link:label>
    <link:label id="lab_ifrs-full_TreasurySharesMember_label_en-US" xlink:label="lab_ifrs-full_TreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury shares [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TreasurySharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasurySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TreasurySharesMember" xlink:to="lab_ifrs-full_TreasurySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GeneralAndAdministrativeExpenseServices_019ff75a-d3c2-74a4-b7c0-7edef9027544_negatedTerseLabel_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpenseServices" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Services</link:label>
    <link:label id="lab_suz_GeneralAndAdministrativeExpenseServices_label_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpenseServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General and Administrative Expense, Services</link:label>
    <link:label id="lab_suz_GeneralAndAdministrativeExpenseServices_documentation_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpenseServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of services relating to general and administrative expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GeneralAndAdministrativeExpenseServices" xlink:href="suz-20260630.xsd#suz_GeneralAndAdministrativeExpenseServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GeneralAndAdministrativeExpenseServices" xlink:to="lab_suz_GeneralAndAdministrativeExpenseServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastDueStatusDomain_019ff75a-d5ab-767c-a1bf-20fed4621c41_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due status [domain]</link:label>
    <link:label id="lab_ifrs-full_PastDueStatusDomain_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Past due status [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PastDueStatusDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusDomain" xlink:to="lab_ifrs-full_PastDueStatusDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_019ff75a-d5ab-7add-bbd5-efe747fca9aa_totalLabel_en-US" xlink:label="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Fair value of net identifiable assets</link:label>
    <link:label id="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_label_en-US" xlink:label="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Identifiable assets acquired (liabilities assumed)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:to="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SpinnovaPlcMember_019ff75a-d50c-7568-a722-20f5c5d3d438_terseLabel_en-US" xlink:label="lab_suz_SpinnovaPlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Spinnova Plc. (Direct) (&#8220;Spinnova&#8221;)</link:label>
    <link:label id="lab_suz_SpinnovaPlcMember_019ff75a-d50c-71dc-bc3f-d8a178b13f84_verboseLabel_en-US" xlink:label="lab_suz_SpinnovaPlcMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Spinnova Plc</link:label>
    <link:label id="lab_suz_SpinnovaPlcMember_label_en-US" xlink:label="lab_suz_SpinnovaPlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Spinnova Plc [Member]</link:label>
    <link:label id="lab_suz_SpinnovaPlcMember_documentation_en-US" xlink:label="lab_suz_SpinnovaPlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Spinnova Plc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SpinnovaPlcMember" xlink:href="suz-20260630.xsd#suz_SpinnovaPlcMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SpinnovaPlcMember" xlink:to="lab_suz_SpinnovaPlcMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_019ff75a-d5ab-7608-bf12-cdf903ccf7e3_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MaturityPeriodOfLeaseLiabilities_019ff75a-d5ab-7233-9f09-b29bd3077ab2_terseLabel_en-US" xlink:label="lab_suz_MaturityPeriodOfLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity (2)</link:label>
    <link:label id="lab_suz_MaturityPeriodOfLeaseLiabilities_label_en-US" xlink:label="lab_suz_MaturityPeriodOfLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity period of lease liabilities</link:label>
    <link:label id="lab_suz_MaturityPeriodOfLeaseLiabilities_documentation_en-US" xlink:label="lab_suz_MaturityPeriodOfLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity period of lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MaturityPeriodOfLeaseLiabilities" xlink:href="suz-20260630.xsd#suz_MaturityPeriodOfLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MaturityPeriodOfLeaseLiabilities" xlink:to="lab_suz_MaturityPeriodOfLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables_019ff75a-d3c2-79cf-84bb-00ef0ac4e0bc_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in other operating receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_019ff75a-d5ab-742c-80a6-0fa2e1f66f48_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation, depletion and amortization</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnExclusions_019ff75a-d50c-79ec-887b-650d91d22ccb_terseLabel_en-US" xlink:label="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnExclusions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PIS/COFINS &#8211; exclusions from ICMS (2)</link:label>
    <link:label id="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnExclusions_label_en-US" xlink:label="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnExclusions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recoverable Taxes Social Integration Program And Social Contribution On Exclusions</link:label>
    <link:label id="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnExclusions_documentation_en-US" xlink:label="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnExclusions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of recoverable taxes excluded ICMS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnExclusions" xlink:href="suz-20260630.xsd#suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnExclusions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnExclusions" xlink:to="lab_suz_RecoverableTaxesSocialIntegrationProgramAndSocialContributionOnExclusions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SellingExpenseLogisticsCost_019ff75a-d484-7deb-9e2d-866976355973_negatedTerseLabel_en-US" xlink:label="lab_suz_SellingExpenseLogisticsCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Logistics cost</link:label>
    <link:label id="lab_suz_SellingExpenseLogisticsCost_label_en-US" xlink:label="lab_suz_SellingExpenseLogisticsCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling Expense, Logistics Cost</link:label>
    <link:label id="lab_suz_SellingExpenseLogisticsCost_documentation_en-US" xlink:label="lab_suz_SellingExpenseLogisticsCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of logistics cost relating to selling expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SellingExpenseLogisticsCost" xlink:href="suz-20260630.xsd#suz_SellingExpenseLogisticsCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SellingExpenseLogisticsCost" xlink:to="lab_suz_SellingExpenseLogisticsCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WritedownsReversalsOfInventories_019ff75a-d484-7b0d-af4e-71339ee308a8_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_WritedownsReversalsOfInventories" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Write-off of wood inventory</link:label>
    <link:label id="lab_ifrs-full_WritedownsReversalsOfInventories_label_en-US" xlink:label="lab_ifrs-full_WritedownsReversalsOfInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write-downs (reversals of write-downs) of inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WritedownsReversalsOfInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WritedownsReversalsOfInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WritedownsReversalsOfInventories" xlink:to="lab_ifrs-full_WritedownsReversalsOfInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_StockRepurchasedDuringThePeriodValue_019ff75a-d5ab-77b8-b522-f45b75141248_negatedTerseLabel_en-US" xlink:label="lab_suz_StockRepurchasedDuringThePeriodValue" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Stock Repurchased During The Period Value</link:label>
    <link:label id="lab_suz_StockRepurchasedDuringThePeriodValue_019ff75a-d5ab-776c-8b5c-313d576b5c8a_terseLabel_en-US" xlink:label="lab_suz_StockRepurchasedDuringThePeriodValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase</link:label>
    <link:label id="lab_suz_StockRepurchasedDuringThePeriodValue_label_en-US" xlink:label="lab_suz_StockRepurchasedDuringThePeriodValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchased During The Period Value</link:label>
    <link:label id="lab_suz_StockRepurchasedDuringThePeriodValue_documentation_en-US" xlink:label="lab_suz_StockRepurchasedDuringThePeriodValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_StockRepurchasedDuringThePeriodValue" xlink:href="suz-20260630.xsd#suz_StockRepurchasedDuringThePeriodValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_StockRepurchasedDuringThePeriodValue" xlink:to="lab_suz_StockRepurchasedDuringThePeriodValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnBorrowings_019ff75a-d50c-7648-a97a-be03aff225fc_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest on loans, financing and debentures (1)</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnBorrowings_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnBorrowings" xlink:to="lab_ifrs-full_InterestExpenseOnBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16_019ff75a-d50c-74a8-a018-5b14a80f832a_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average rate - % p.a. (1)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average lessee's incremental borrowing rate applied to lease liabilities recognised at date of initial application of IFRS 16</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16" xlink:to="lab_ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_October2042Member_019ff75a-d50c-720a-bd7e-b441af57664e_terseLabel_en-US" xlink:label="lab_suz_October2042Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">October 2042</link:label>
    <link:label id="lab_suz_October2042Member_label_en-US" xlink:label="lab_suz_October2042Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">October 2042 [Member]</link:label>
    <link:label id="lab_suz_October2042Member_documentation_en-US" xlink:label="lab_suz_October2042Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">October 2042</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_October2042Member" xlink:href="suz-20260630.xsd#suz_October2042Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_October2042Member" xlink:to="lab_suz_October2042Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PortConcessionMember_019ff75a-d50c-7416-b69c-8098fba7d96b_terseLabel_en-US" xlink:label="lab_suz_PortConcessionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Port concessions</link:label>
    <link:label id="lab_suz_PortConcessionMember_label_en-US" xlink:label="lab_suz_PortConcessionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ports concession</link:label>
    <link:label id="lab_suz_PortConcessionMember_documentation_en-US" xlink:label="lab_suz_PortConcessionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Port concession.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PortConcessionMember" xlink:href="suz-20260630.xsd#suz_PortConcessionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PortConcessionMember" xlink:to="lab_suz_PortConcessionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LiabilitiesForAssetAcquisitionAndAssociatesMember_019ff75a-d5ab-704d-9cc9-0ff2cb4a90d3_terseLabel_en-US" xlink:label="lab_suz_LiabilitiesForAssetAcquisitionAndAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_suz_LiabilitiesForAssetAcquisitionAndAssociatesMember_label_en-US" xlink:label="lab_suz_LiabilitiesForAssetAcquisitionAndAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities for asset acquisition and associates</link:label>
    <link:label id="lab_suz_LiabilitiesForAssetAcquisitionAndAssociatesMember_documentation_en-US" xlink:label="lab_suz_LiabilitiesForAssetAcquisitionAndAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for liabilities for acquisition of assets and associates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LiabilitiesForAssetAcquisitionAndAssociatesMember" xlink:href="suz-20260630.xsd#suz_LiabilitiesForAssetAcquisitionAndAssociatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LiabilitiesForAssetAcquisitionAndAssociatesMember" xlink:to="lab_suz_LiabilitiesForAssetAcquisitionAndAssociatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PercentageOfPlanParticipantsMenMarriedAtLeastFourYearsAndOverSixtyFiveYearsOfAge_019ff75a-d5ab-763a-a754-20913b3d12da_terseLabel_en-US" xlink:label="lab_suz_PercentageOfPlanParticipantsMenMarriedAtLeastFourYearsAndOverSixtyFiveYearsOfAge" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of Plan Participants, Men Married At Least Four Years And Over Sixty-Five Years Of Age</link:label>
    <link:label id="lab_suz_PercentageOfPlanParticipantsMenMarriedAtLeastFourYearsAndOverSixtyFiveYearsOfAge_label_en-US" xlink:label="lab_suz_PercentageOfPlanParticipantsMenMarriedAtLeastFourYearsAndOverSixtyFiveYearsOfAge" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Plan Participants, Men Married At Least Four Years And Over Sixty-Five Years Of Age</link:label>
    <link:label id="lab_suz_PercentageOfPlanParticipantsMenMarriedAtLeastFourYearsAndOverSixtyFiveYearsOfAge_documentation_en-US" xlink:label="lab_suz_PercentageOfPlanParticipantsMenMarriedAtLeastFourYearsAndOverSixtyFiveYearsOfAge" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of plan participants who are men married at least four years and are over 65 years old.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PercentageOfPlanParticipantsMenMarriedAtLeastFourYearsAndOverSixtyFiveYearsOfAge" xlink:href="suz-20260630.xsd#suz_PercentageOfPlanParticipantsMenMarriedAtLeastFourYearsAndOverSixtyFiveYearsOfAge"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PercentageOfPlanParticipantsMenMarriedAtLeastFourYearsAndOverSixtyFiveYearsOfAge" xlink:to="lab_suz_PercentageOfPlanParticipantsMenMarriedAtLeastFourYearsAndOverSixtyFiveYearsOfAge" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FairValueAdjustmentOnBusinessCombinationAmortizationMember_019ff75a-d483-77be-b00a-18e7e08b2491_terseLabel_en-US" xlink:label="lab_suz_FairValueAdjustmentOnBusinessCombinationAmortizationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of fair value adjustments arising from business combinations</link:label>
    <link:label id="lab_suz_FairValueAdjustmentOnBusinessCombinationAmortizationMember_label_en-US" xlink:label="lab_suz_FairValueAdjustmentOnBusinessCombinationAmortizationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of fair value adjustments arising from business combinations</link:label>
    <link:label id="lab_suz_FairValueAdjustmentOnBusinessCombinationAmortizationMember_documentation_en-US" xlink:label="lab_suz_FairValueAdjustmentOnBusinessCombinationAmortizationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the tax effects of the amortization of the fair value adjustment on business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FairValueAdjustmentOnBusinessCombinationAmortizationMember" xlink:href="suz-20260630.xsd#suz_FairValueAdjustmentOnBusinessCombinationAmortizationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FairValueAdjustmentOnBusinessCombinationAmortizationMember" xlink:to="lab_suz_FairValueAdjustmentOnBusinessCombinationAmortizationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SensitivityAnalysisPercentageChangeOfScenario_019ff75a-d50c-7f15-be61-07a13568d457_terseLabel_en-US" xlink:label="lab_suz_SensitivityAnalysisPercentageChangeOfScenario" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis, Percentage Change of Scenario</link:label>
    <link:label id="lab_suz_SensitivityAnalysisPercentageChangeOfScenario_label_en-US" xlink:label="lab_suz_SensitivityAnalysisPercentageChangeOfScenario" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis, Percentage Change of Scenario</link:label>
    <link:label id="lab_suz_SensitivityAnalysisPercentageChangeOfScenario_documentation_en-US" xlink:label="lab_suz_SensitivityAnalysisPercentageChangeOfScenario" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage change of the relevant scenario.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SensitivityAnalysisPercentageChangeOfScenario" xlink:href="suz-20260630.xsd#suz_SensitivityAnalysisPercentageChangeOfScenario"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SensitivityAnalysisPercentageChangeOfScenario" xlink:to="lab_suz_SensitivityAnalysisPercentageChangeOfScenario" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeStatementComponentsAxis_019ff75a-d5ab-7b94-a72e-7fdef7cf3072_terseLabel_en-US" xlink:label="lab_suz_IncomeStatementComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement Components [Axis]</link:label>
    <link:label id="lab_suz_IncomeStatementComponentsAxis_label_en-US" xlink:label="lab_suz_IncomeStatementComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement Components [Axis]</link:label>
    <link:label id="lab_suz_IncomeStatementComponentsAxis_documentation_en-US" xlink:label="lab_suz_IncomeStatementComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Statement Components</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeStatementComponentsAxis" xlink:href="suz-20260630.xsd#suz_IncomeStatementComponentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeStatementComponentsAxis" xlink:to="lab_suz_IncomeStatementComponentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdditionsFromPurchasesBiologicalAssetsPangeiaProject_019ff75a-d50c-7a4a-8370-37b153682d70_terseLabel_en-US" xlink:label="lab_suz_AdditionsFromPurchasesBiologicalAssetsPangeiaProject" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions from purchases, biological assets Pangeia Project</link:label>
    <link:label id="lab_suz_AdditionsFromPurchasesBiologicalAssetsPangeiaProject_label_en-US" xlink:label="lab_suz_AdditionsFromPurchasesBiologicalAssetsPangeiaProject" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions from purchases, biological assets Pangeia Project</link:label>
    <link:label id="lab_suz_AdditionsFromPurchasesBiologicalAssetsPangeiaProject_documentation_en-US" xlink:label="lab_suz_AdditionsFromPurchasesBiologicalAssetsPangeiaProject" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additions from purchases, biological assets Pangeia Project</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdditionsFromPurchasesBiologicalAssetsPangeiaProject" xlink:href="suz-20260630.xsd#suz_AdditionsFromPurchasesBiologicalAssetsPangeiaProject"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdditionsFromPurchasesBiologicalAssetsPangeiaProject" xlink:to="lab_suz_AdditionsFromPurchasesBiologicalAssetsPangeiaProject" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccountingProfit_019ff75a-d5ab-7acd-836e-8e00f56c6f85_terseLabel_en-US" xlink:label="lab_ifrs-full_AccountingProfit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) before taxes</link:label>
    <link:label id="lab_ifrs-full_AccountingProfit_label_en-US" xlink:label="lab_ifrs-full_AccountingProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting profit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccountingProfit" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccountingProfit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccountingProfit" xlink:to="lab_ifrs-full_AccountingProfit" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalAdvancedForSuppliersMember_019ff75a-d50c-70ce-956c-07b8a794be71_terseLabel_en-US" xlink:label="lab_suz_TotalAdvancedForSuppliersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_suz_TotalAdvancedForSuppliersMember_label_en-US" xlink:label="lab_suz_TotalAdvancedForSuppliersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Advanced for Suppliers [Member]</link:label>
    <link:label id="lab_suz_TotalAdvancedForSuppliersMember_documentation_en-US" xlink:label="lab_suz_TotalAdvancedForSuppliersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Advanced for Suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalAdvancedForSuppliersMember" xlink:href="suz-20260630.xsd#suz_TotalAdvancedForSuppliersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalAdvancedForSuppliersMember" xlink:to="lab_suz_TotalAdvancedForSuppliersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019ff75a-d484-725c-92aa-61e4157ffa57_terseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repayments of borrowings, classified as financing activities</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BNDESTLPMember_019ff75a-d50c-788a-a4cf-7c4f681af2c4_terseLabel_en-US" xlink:label="lab_suz_BNDESTLPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES &#8211; TLP</link:label>
    <link:label id="lab_suz_BNDESTLPMember_label_en-US" xlink:label="lab_suz_BNDESTLPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNDES &#8211; TLP [Member]</link:label>
    <link:label id="lab_suz_BNDESTLPMember_documentation_en-US" xlink:label="lab_suz_BNDESTLPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BNDES &#8211; TLP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BNDESTLPMember" xlink:href="suz-20260630.xsd#suz_BNDESTLPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BNDESTLPMember" xlink:to="lab_suz_BNDESTLPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain_019ff75a-d50c-725d-83f7-20da35c02f4f_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries [domain]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiaries [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:to="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PrivateFundsMember_019ff75a-d50c-7ac3-aa89-d2ee5ec6a9b6_terseLabel_en-US" xlink:label="lab_suz_PrivateFundsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private Funds</link:label>
    <link:label id="lab_suz_PrivateFundsMember_label_en-US" xlink:label="lab_suz_PrivateFundsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Funds</link:label>
    <link:label id="lab_suz_PrivateFundsMember_documentation_en-US" xlink:label="lab_suz_PrivateFundsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for private funds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PrivateFundsMember" xlink:href="suz-20260630.xsd#suz_PrivateFundsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PrivateFundsMember" xlink:to="lab_suz_PrivateFundsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustmentsForInterestOnEmployeeBenefits_019ff75a-d50c-7efa-a4f9-3c7c64dfb2f9_terseLabel_en-US" xlink:label="lab_suz_AdjustmentsForInterestOnEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest on actuarial liabilities and cost of current service</link:label>
    <link:label id="lab_suz_AdjustmentsForInterestOnEmployeeBenefits_label_en-US" xlink:label="lab_suz_AdjustmentsForInterestOnEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Interest On Employee Benefits</link:label>
    <link:label id="lab_suz_AdjustmentsForInterestOnEmployeeBenefits_documentation_en-US" xlink:label="lab_suz_AdjustmentsForInterestOnEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for interest on employee benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustmentsForInterestOnEmployeeBenefits" xlink:href="suz-20260630.xsd#suz_AdjustmentsForInterestOnEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustmentsForInterestOnEmployeeBenefits" xlink:to="lab_suz_AdjustmentsForInterestOnEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MMCBrasilMember_019ff75a-d50c-7fdd-881e-21aff1dba123_terseLabel_en-US" xlink:label="lab_suz_MMCBrasilMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill - MMC Brasil (Tissue plant in Mogi das Cruzes/SP)</link:label>
    <link:label id="lab_suz_MMCBrasilMember_label_en-US" xlink:label="lab_suz_MMCBrasilMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">MMC Brasil [Member]</link:label>
    <link:label id="lab_suz_MMCBrasilMember_documentation_en-US" xlink:label="lab_suz_MMCBrasilMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">MMC Brasil</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MMCBrasilMember" xlink:href="suz-20260630.xsd#suz_MMCBrasilMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MMCBrasilMember" xlink:to="lab_suz_MMCBrasilMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_019ff75a-d50c-7862-ad67-f36903103e0a_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameAxis" xlink:to="lab_ifrs-full_BorrowingsByNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentFinancialAssets_019ff75a-d5ab-734b-b566-1cc29fa68b15_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current financial assets</link:label>
    <link:label id="lab_ifrs-full_CurrentFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentFinancialAssets" xlink:to="lab_ifrs-full_CurrentFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdvancesDoSuppliersAbstract_label_en-US" xlink:label="lab_suz_AdvancesDoSuppliersAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances do Suppliers [Abstract]</link:label>
    <link:label id="lab_suz_AdvancesDoSuppliersAbstract_documentation_en-US" xlink:label="lab_suz_AdvancesDoSuppliersAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances do Suppliers [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdvancesDoSuppliersAbstract" xlink:href="suz-20260630.xsd#suz_AdvancesDoSuppliersAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdvancesDoSuppliersAbstract" xlink:to="lab_suz_AdvancesDoSuppliersAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_October2028Member_019ff75a-d484-7894-8fe5-d6a5983ea37e_terseLabel_en-US" xlink:label="lab_suz_October2028Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">October 2028</link:label>
    <link:label id="lab_suz_October2028Member_label_en-US" xlink:label="lab_suz_October2028Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">October 2028 [Member]</link:label>
    <link:label id="lab_suz_October2028Member_documentation_en-US" xlink:label="lab_suz_October2028Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">October 2028</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_October2028Member" xlink:href="suz-20260630.xsd#suz_October2028Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_October2028Member" xlink:to="lab_suz_October2028Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AAAMember_019ff75a-d50c-7c89-9ec1-b2df0c29d875_terseLabel_en-US" xlink:label="lab_suz_AAAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AAA</link:label>
    <link:label id="lab_suz_AAAMember_label_en-US" xlink:label="lab_suz_AAAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AAA [Member]</link:label>
    <link:label id="lab_suz_AAAMember_documentation_en-US" xlink:label="lab_suz_AAAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AAA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AAAMember" xlink:href="suz-20260630.xsd#suz_AAAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AAAMember" xlink:to="lab_suz_AAAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_019ff75a-d50c-7e39-ba0f-78aad83524f2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other payables [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other payables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialAssets_019ff75a-d5ab-70ec-ace9-b8697eeffb97_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current derivative financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentDerivativeFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:to="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_019ff75a-d484-7488-8518-5398a454fcf0_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Growth rate used to extrapolate cash flow projections</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Growth rate used to extrapolate cash flow projections</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:to="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_019ff75a-d484-7c5d-bb9f-483945b172d6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory_019ff75a-d5ab-78b9-8e60-7b8e4d2375ae_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of expenses by nature [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of expenses by nature [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfExpensesByNatureExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:to="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_019ff75a-d5ab-778d-a21d-5997aad3b4ae_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected credit losses</link:label>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated impairment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedImpairmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedImpairmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedImpairmentMember" xlink:to="lab_ifrs-full_AccumulatedImpairmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IfrsShortTermInvestmentsMember_019ff75a-d50c-71d1-9754-b7ea40d9f3c9_terseLabel_en-US" xlink:label="lab_suz_IfrsShortTermInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed-term deposits</link:label>
    <link:label id="lab_suz_IfrsShortTermInvestmentsMember_label_en-US" xlink:label="lab_suz_IfrsShortTermInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed-term deposits</link:label>
    <link:label id="lab_suz_IfrsShortTermInvestmentsMember_documentation_en-US" xlink:label="lab_suz_IfrsShortTermInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments which are not otherwise included in another category or item that the entity has the intent to sell or dispose of within one year from the date of the balance sheet.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IfrsShortTermInvestmentsMember" xlink:href="suz-20260630.xsd#suz_IfrsShortTermInvestmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IfrsShortTermInvestmentsMember" xlink:to="lab_suz_IfrsShortTermInvestmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_June2024Member_019ff75a-d50c-770e-ae93-f3597a1ec5dc_terseLabel_en-US" xlink:label="lab_suz_June2024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">June 2024 [Member]</link:label>
    <link:label id="lab_suz_June2024Member_label_en-US" xlink:label="lab_suz_June2024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">June 2024 [Member]</link:label>
    <link:label id="lab_suz_June2024Member_documentation_en-US" xlink:label="lab_suz_June2024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">June 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_June2024Member" xlink:href="suz-20260630.xsd#suz_June2024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_June2024Member" xlink:to="lab_suz_June2024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsBonus_019ff75a-d484-7ec8-a02e-8b00a7ae3a35_terseLabel_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsBonus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonus</link:label>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsBonus_label_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsBonus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation, Short Term Employee Benefits, Bonus</link:label>
    <link:label id="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsBonus_documentation_en-US" xlink:label="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsBonus" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of compensation to key management personnel in the form of bonus.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsBonus" xlink:href="suz-20260630.xsd#suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsBonus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsBonus" xlink:to="lab_suz_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsBonus" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AmortizationOfFinancingCost_019ff75a-d5ab-708c-b7c6-ecea5bb4f05a_terseLabel_en-US" xlink:label="lab_suz_AmortizationOfFinancingCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization</link:label>
    <link:label id="lab_suz_AmortizationOfFinancingCost_label_en-US" xlink:label="lab_suz_AmortizationOfFinancingCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Financing Cost</link:label>
    <link:label id="lab_suz_AmortizationOfFinancingCost_documentation_en-US" xlink:label="lab_suz_AmortizationOfFinancingCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of amortization expense attributable to debt issuance costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AmortizationOfFinancingCost" xlink:href="suz-20260630.xsd#suz_AmortizationOfFinancingCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AmortizationOfFinancingCost" xlink:to="lab_suz_AmortizationOfFinancingCost" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PaymentsMadeAmount_019ff75a-d484-7951-8dc7-ed097c7076a7_terseLabel_en-US" xlink:label="lab_suz_PaymentsMadeAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments Made Amount</link:label>
    <link:label id="lab_suz_PaymentsMadeAmount_label_en-US" xlink:label="lab_suz_PaymentsMadeAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments Made Amount</link:label>
    <link:label id="lab_suz_PaymentsMadeAmount_documentation_en-US" xlink:label="lab_suz_PaymentsMadeAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments Made Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaymentsMadeAmount" xlink:href="suz-20260630.xsd#suz_PaymentsMadeAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaymentsMadeAmount" xlink:to="lab_suz_PaymentsMadeAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_019ff75a-d50c-7d21-a08a-3fdc7192952a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial instruments [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_019ff75a-d5ab-7e95-b81f-120dacfb1058_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of other reserves</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_019ff75a-d5ab-7889-ae1b-198f242263ab_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EstimatedfuturebenefitPaymentsFromDefinedBenefitPensionPlans_019ff75a-d50c-7092-98a5-19e8e5ad337f_terseLabel_en-US" xlink:label="lab_suz_EstimatedfuturebenefitPaymentsFromDefinedBenefitPensionPlans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated Future Benefit Payments From Defined Benefit Pension Plans</link:label>
    <link:label id="lab_suz_EstimatedfuturebenefitPaymentsFromDefinedBenefitPensionPlans_label_en-US" xlink:label="lab_suz_EstimatedfuturebenefitPaymentsFromDefinedBenefitPensionPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Estimated Future Benefit Payments From Defined Benefit Pension Plans</link:label>
    <link:label id="lab_suz_EstimatedfuturebenefitPaymentsFromDefinedBenefitPensionPlans_documentation_en-US" xlink:label="lab_suz_EstimatedfuturebenefitPaymentsFromDefinedBenefitPensionPlans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The estimated amount, at the balance sheet date, of the future benefit payments to be made during the specified period from defined benefit plans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EstimatedfuturebenefitPaymentsFromDefinedBenefitPensionPlans" xlink:href="suz-20260630.xsd#suz_EstimatedfuturebenefitPaymentsFromDefinedBenefitPensionPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EstimatedfuturebenefitPaymentsFromDefinedBenefitPensionPlans" xlink:to="lab_suz_EstimatedfuturebenefitPaymentsFromDefinedBenefitPensionPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BasisOfPreparationAndPresentationOfUnauditedCondensedConsolidatedFinancialInformationAbstract_label_en-US" xlink:label="lab_suz_BasisOfPreparationAndPresentationOfUnauditedCondensedConsolidatedFinancialInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis of preparation and presentation of unaudited condensed consolidated financial information [Abstract]</link:label>
    <link:label id="lab_suz_BasisOfPreparationAndPresentationOfUnauditedCondensedConsolidatedFinancialInformationAbstract_documentation_en-US" xlink:label="lab_suz_BasisOfPreparationAndPresentationOfUnauditedCondensedConsolidatedFinancialInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basis of preparation and presentation of unaudited condensed consolidated financial information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BasisOfPreparationAndPresentationOfUnauditedCondensedConsolidatedFinancialInformationAbstract" xlink:href="suz-20260630.xsd#suz_BasisOfPreparationAndPresentationOfUnauditedCondensedConsolidatedFinancialInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BasisOfPreparationAndPresentationOfUnauditedCondensedConsolidatedFinancialInformationAbstract" xlink:to="lab_suz_BasisOfPreparationAndPresentationOfUnauditedCondensedConsolidatedFinancialInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_019ff75a-d3c2-792d-bc7c-e1413829e33d_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, interest rate</link:label>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_label_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, interest rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsInterestRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsInterestRate" xlink:to="lab_ifrs-full_BorrowingsInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_019ff75a-d484-7214-a584-a8c4eb751f81_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash used in investing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxEffectsOfTaxIncentivesAppliedToIncomeTax_019ff75a-d50c-7654-968b-e21d34670ab6_terseLabel_en-US" xlink:label="lab_suz_TaxEffectsOfTaxIncentivesAppliedToIncomeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax incentives (Note 16.3)</link:label>
    <link:label id="lab_suz_TaxEffectsOfTaxIncentivesAppliedToIncomeTax_label_en-US" xlink:label="lab_suz_TaxEffectsOfTaxIncentivesAppliedToIncomeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effects Of Tax Incentives applied to Income Tax</link:label>
    <link:label id="lab_suz_TaxEffectsOfTaxIncentivesAppliedToIncomeTax_documentation_en-US" xlink:label="lab_suz_TaxEffectsOfTaxIncentivesAppliedToIncomeTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax deduction amount referring to the use of the PAT ("Worker Feeding Program") benefit and donations made in cultural and sports projects.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxEffectsOfTaxIncentivesAppliedToIncomeTax" xlink:href="suz-20260630.xsd#suz_TaxEffectsOfTaxIncentivesAppliedToIncomeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxEffectsOfTaxIncentivesAppliedToIncomeTax" xlink:to="lab_suz_TaxEffectsOfTaxIncentivesAppliedToIncomeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_019ff75a-d5ab-7fc4-8514-c01daceb72dc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments - Sensitivity analysis foreign exchange - derivative</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of derivative financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinancialLiabilitiesNetOfFinancialAssets_019ff75a-d5ab-7661-a594-29bd67565e84_totalLabel_en-US" xlink:label="lab_suz_FinancialLiabilitiesNetOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial Liabilities, Net of Financial Assets</link:label>
    <link:label id="lab_suz_FinancialLiabilitiesNetOfFinancialAssets_label_en-US" xlink:label="lab_suz_FinancialLiabilitiesNetOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities, Net of Financial Assets</link:label>
    <link:label id="lab_suz_FinancialLiabilitiesNetOfFinancialAssets_documentation_en-US" xlink:label="lab_suz_FinancialLiabilitiesNetOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of financial liabilities, net of financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinancialLiabilitiesNetOfFinancialAssets" xlink:href="suz-20260630.xsd#suz_FinancialLiabilitiesNetOfFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinancialLiabilitiesNetOfFinancialAssets" xlink:to="lab_suz_FinancialLiabilitiesNetOfFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DescriptionOfEmployeeAndManagementProfitSharingPolicyTextBlock_019ff75a-d484-7ac6-9109-04b665e44350_terseLabel_en-US" xlink:label="lab_suz_DescriptionOfEmployeeAndManagementProfitSharingPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee and management profit sharing</link:label>
    <link:label id="lab_suz_DescriptionOfEmployeeAndManagementProfitSharingPolicyTextBlock_label_en-US" xlink:label="lab_suz_DescriptionOfEmployeeAndManagementProfitSharingPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of Employee and Management Profit Sharing [Policy Text Block]</link:label>
    <link:label id="lab_suz_DescriptionOfEmployeeAndManagementProfitSharingPolicyTextBlock_documentation_en-US" xlink:label="lab_suz_DescriptionOfEmployeeAndManagementProfitSharingPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description of Employee and Management Profit Sharing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DescriptionOfEmployeeAndManagementProfitSharingPolicyTextBlock" xlink:href="suz-20260630.xsd#suz_DescriptionOfEmployeeAndManagementProfitSharingPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DescriptionOfEmployeeAndManagementProfitSharingPolicyTextBlock" xlink:to="lab_suz_DescriptionOfEmployeeAndManagementProfitSharingPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ZeroCostCollarU.s.dollarToReaisMember_019ff75a-d50c-7197-b315-a06e3cc045e3_terseLabel_en-US" xlink:label="lab_suz_ZeroCostCollarU.s.dollarToReaisMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Zero cost collar (U.S.$ x R$)</link:label>
    <link:label id="lab_suz_ZeroCostCollarU.s.dollarToReaisMember_label_en-US" xlink:label="lab_suz_ZeroCostCollarU.s.dollarToReaisMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Zero cost collar (U.S.$ x R$)</link:label>
    <link:label id="lab_suz_ZeroCostCollarU.s.dollarToReaisMember_documentation_en-US" xlink:label="lab_suz_ZeroCostCollarU.s.dollarToReaisMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for positions in an instrument consisting of a simultaneous combination of purchase of put options and sale of call options in dollars, with the same principal amount and maturity, in order to hedge cash flows from exports. According to this strategy, a range is fixed where there is no deposit or receipt of a financial margin on position adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ZeroCostCollarU.s.dollarToReaisMember" xlink:href="suz-20260630.xsd#suz_ZeroCostCollarU.s.dollarToReaisMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ZeroCostCollarU.s.dollarToReaisMember" xlink:to="lab_suz_ZeroCostCollarU.s.dollarToReaisMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseInAllowanceAccountForCrediTLossesFinancialAssets_019ff75a-d484-753b-b772-6f4c710bce90_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseInAllowanceAccountForCrediTLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase Decrease In Allowance Account For Credi tLosses Financial Assets</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInAllowanceAccountForCrediTLossesFinancialAssets_label_en-US" xlink:label="lab_suz_IncreaseDecreaseInAllowanceAccountForCrediTLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease In Allowance Account For Credi tLosses Financial Assets</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInAllowanceAccountForCrediTLossesFinancialAssets_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseInAllowanceAccountForCrediTLossesFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase Decrease In Allowance Account For Credi tLosses Financial Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseInAllowanceAccountForCrediTLossesFinancialAssets" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseInAllowanceAccountForCrediTLossesFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseInAllowanceAccountForCrediTLossesFinancialAssets" xlink:to="lab_suz_IncreaseDecreaseInAllowanceAccountForCrediTLossesFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_019ff75a-d50c-7605-a7fe-e6e9457bac1b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BrazilianNationalBankForEconomicAndSocialDevelopmentIofMember_019ff75a-d484-716a-93d2-1b6a09214f02_terseLabel_en-US" xlink:label="lab_suz_BrazilianNationalBankForEconomicAndSocialDevelopmentIofMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNDES</link:label>
    <link:label id="lab_suz_BrazilianNationalBankForEconomicAndSocialDevelopmentIofMember_label_en-US" xlink:label="lab_suz_BrazilianNationalBankForEconomicAndSocialDevelopmentIofMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNDES ("IOF")</link:label>
    <link:label id="lab_suz_BrazilianNationalBankForEconomicAndSocialDevelopmentIofMember_documentation_en-US" xlink:label="lab_suz_BrazilianNationalBankForEconomicAndSocialDevelopmentIofMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the IOF tax imposed on loans issued by Brazilian National Bank for Economic and Social Development.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BrazilianNationalBankForEconomicAndSocialDevelopmentIofMember" xlink:href="suz-20260630.xsd#suz_BrazilianNationalBankForEconomicAndSocialDevelopmentIofMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BrazilianNationalBankForEconomicAndSocialDevelopmentIofMember" xlink:to="lab_suz_BrazilianNationalBankForEconomicAndSocialDevelopmentIofMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BorrowingCostMember_019ff75a-d3c2-7be0-9b47-caf9189ced9b_terseLabel_en-US" xlink:label="lab_suz_BorrowingCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized loan costs</link:label>
    <link:label id="lab_suz_BorrowingCostMember_label_en-US" xlink:label="lab_suz_BorrowingCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing cost</link:label>
    <link:label id="lab_suz_BorrowingCostMember_documentation_en-US" xlink:label="lab_suz_BorrowingCostMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for borrowing costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BorrowingCostMember" xlink:href="suz-20260630.xsd#suz_BorrowingCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BorrowingCostMember" xlink:to="lab_suz_BorrowingCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_EventAfterTheReportingPeriodAbstract_019ff75a-d5ab-74b0-9fa6-5b13879fdb78_terseLabel_en-US" xlink:label="lab_suz_EventAfterTheReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Event after the reporting period [Abstract]</link:label>
    <link:label id="lab_suz_EventAfterTheReportingPeriodAbstract_label_en-US" xlink:label="lab_suz_EventAfterTheReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Event after the reporting period [Abstract]</link:label>
    <link:label id="lab_suz_EventAfterTheReportingPeriodAbstract_documentation_en-US" xlink:label="lab_suz_EventAfterTheReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Event after the report [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_EventAfterTheReportingPeriodAbstract" xlink:href="suz-20260630.xsd#suz_EventAfterTheReportingPeriodAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_EventAfterTheReportingPeriodAbstract" xlink:to="lab_suz_EventAfterTheReportingPeriodAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PrivateSecuritiesCdbsEscrowAccountMember_019ff75a-d50c-7240-9725-f38b416c3c93_terseLabel_en-US" xlink:label="lab_suz_PrivateSecuritiesCdbsEscrowAccountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CDBs - Escrow Account</link:label>
    <link:label id="lab_suz_PrivateSecuritiesCdbsEscrowAccountMember_label_en-US" xlink:label="lab_suz_PrivateSecuritiesCdbsEscrowAccountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Securities (CDBs) - Escrow Account</link:label>
    <link:label id="lab_suz_PrivateSecuritiesCdbsEscrowAccountMember_documentation_en-US" xlink:label="lab_suz_PrivateSecuritiesCdbsEscrowAccountMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for an escrow account related to private securities (bank deposit certificates).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PrivateSecuritiesCdbsEscrowAccountMember" xlink:href="suz-20260630.xsd#suz_PrivateSecuritiesCdbsEscrowAccountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PrivateSecuritiesCdbsEscrowAccountMember" xlink:to="lab_suz_PrivateSecuritiesCdbsEscrowAccountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_019ff75a-d484-73a5-9314-dcf94b61f5af_terseLabel_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization</link:label>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortisation, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_June2025Member_019ff75a-d3c2-70f8-a0e0-bd839be7efff_terseLabel_en-US" xlink:label="lab_suz_June2025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">June 2025 [Member]</link:label>
    <link:label id="lab_suz_June2025Member_label_en-US" xlink:label="lab_suz_June2025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">June 2025 [Member]</link:label>
    <link:label id="lab_suz_June2025Member_documentation_en-US" xlink:label="lab_suz_June2025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">June 2025</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_June2025Member" xlink:href="suz-20260630.xsd#suz_June2025Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_June2025Member" xlink:to="lab_suz_June2025Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate_019ff75a-d5ab-7011-9154-fa4bef49abaa_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-controlling interest in acquiree recognised at acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:to="lab_ifrs-full_NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_019ff75a-d484-7601-81c7-306d00821fe3_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial instruments</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssets_019ff75a-d50c-7177-a1f3-52ad5d29cc02_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssets" xlink:to="lab_ifrs-full_CurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RecoverableTaxesAssetsCurrent_019ff75a-d50c-721a-8b65-b535f84228ec_terseLabel_en-US" xlink:label="lab_suz_RecoverableTaxesAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recoverable taxes</link:label>
    <link:label id="lab_suz_RecoverableTaxesAssetsCurrent_label_en-US" xlink:label="lab_suz_RecoverableTaxesAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recoverable Taxes Assets, Current</link:label>
    <link:label id="lab_suz_RecoverableTaxesAssetsCurrent_documentation_en-US" xlink:label="lab_suz_RecoverableTaxesAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recoverable Taxes Assets, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RecoverableTaxesAssetsCurrent" xlink:href="suz-20260630.xsd#suz_RecoverableTaxesAssetsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RecoverableTaxesAssetsCurrent" xlink:to="lab_suz_RecoverableTaxesAssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FinancialSettlementRuralProductNotesMember_019ff75a-d5ab-7502-82c9-bedb1f58b986_terseLabel_en-US" xlink:label="lab_suz_FinancialSettlementRuralProductNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Settlement Rural Product Notes</link:label>
    <link:label id="lab_suz_FinancialSettlementRuralProductNotesMember_label_en-US" xlink:label="lab_suz_FinancialSettlementRuralProductNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Settlement Rural Product Notes [Member]</link:label>
    <link:label id="lab_suz_FinancialSettlementRuralProductNotesMember_documentation_en-US" xlink:label="lab_suz_FinancialSettlementRuralProductNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Settlement Rural Product Notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FinancialSettlementRuralProductNotesMember" xlink:href="suz-20260630.xsd#suz_FinancialSettlementRuralProductNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FinancialSettlementRuralProductNotesMember" xlink:to="lab_suz_FinancialSettlementRuralProductNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_019ff75a-d50c-75fa-b54d-5989806de5a0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SellingExpenseDepreciationAndAmortization_019ff75a-d50c-7630-8749-38fd3198d04b_negatedTerseLabel_en-US" xlink:label="lab_suz_SellingExpenseDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_suz_SellingExpenseDepreciationAndAmortization_label_en-US" xlink:label="lab_suz_SellingExpenseDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling Expense, Depreciation and Amortization</link:label>
    <link:label id="lab_suz_SellingExpenseDepreciationAndAmortization_documentation_en-US" xlink:label="lab_suz_SellingExpenseDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of depreciation and amortization relating to selling expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SellingExpenseDepreciationAndAmortization" xlink:href="suz-20260630.xsd#suz_SellingExpenseDepreciationAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SellingExpenseDepreciationAndAmortization" xlink:to="lab_suz_SellingExpenseDepreciationAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfFairValueHierarchyTableTextBlock_019ff75a-d50c-7da3-868f-975301bfabd0_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfFairValueHierarchyTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments - Fair Value Hierarchy</link:label>
    <link:label id="lab_suz_DisclosureOfFairValueHierarchyTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfFairValueHierarchyTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Fair Value Hierarchy [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfFairValueHierarchyTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfFairValueHierarchyTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of Fair Value Hierarchy</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfFairValueHierarchyTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfFairValueHierarchyTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfFairValueHierarchyTableTextBlock" xlink:to="lab_suz_DisclosureOfFairValueHierarchyTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TotalNetSalesMember_019ff75a-d484-7678-9835-c94bfc259deb_terseLabel_en-US" xlink:label="lab_suz_TotalNetSalesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Net Sales</link:label>
    <link:label id="lab_suz_TotalNetSalesMember_label_en-US" xlink:label="lab_suz_TotalNetSalesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Net Sales [Member]</link:label>
    <link:label id="lab_suz_TotalNetSalesMember_documentation_en-US" xlink:label="lab_suz_TotalNetSalesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Net Sales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TotalNetSalesMember" xlink:href="suz-20260630.xsd#suz_TotalNetSalesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TotalNetSalesMember" xlink:to="lab_suz_TotalNetSalesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NonCurrentFundingCurrent_019ff75a-d484-7e87-bd73-db92da5f2a57_terseLabel_en-US" xlink:label="lab_suz_NonCurrentFundingCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current funding</link:label>
    <link:label id="lab_suz_NonCurrentFundingCurrent_label_en-US" xlink:label="lab_suz_NonCurrentFundingCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Current Funding, Current</link:label>
    <link:label id="lab_suz_NonCurrentFundingCurrent_documentation_en-US" xlink:label="lab_suz_NonCurrentFundingCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of non-current funding relating to current portion.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NonCurrentFundingCurrent" xlink:href="suz-20260630.xsd#suz_NonCurrentFundingCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NonCurrentFundingCurrent" xlink:to="lab_suz_NonCurrentFundingCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTable_019ff75a-d50c-7af5-9b65-c8a53886f88b_terseLabel_en-US" xlink:label="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Present Value Of Lease Liabilities [Table]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTable_label_en-US" xlink:label="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Present Value Of Lease Liabilities [Table]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTable_documentation_en-US" xlink:label="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Present Value Of Lease Liabilities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTable" xlink:href="suz-20260630.xsd#suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTable" xlink:to="lab_suz_LesseeOperatingLeasesPresentValueOfLeaseLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ContractOrAgreementDomain_019ff75a-d50c-7ed9-865f-13d4281472ee_terseLabel_en-US" xlink:label="lab_suz_ContractOrAgreementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract or Agreement [Domain]</link:label>
    <link:label id="lab_suz_ContractOrAgreementDomain_label_en-US" xlink:label="lab_suz_ContractOrAgreementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract or Agreement [Domain]</link:label>
    <link:label id="lab_suz_ContractOrAgreementDomain_documentation_en-US" xlink:label="lab_suz_ContractOrAgreementDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract or Agreement [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ContractOrAgreementDomain" xlink:href="suz-20260630.xsd#suz_ContractOrAgreementDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ContractOrAgreementDomain" xlink:to="lab_suz_ContractOrAgreementDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TimeDepositInvestmentMaturityTerm_019ff75a-d5ab-7ef4-b47a-c9b2ea1f4ba0_terseLabel_en-US" xlink:label="lab_suz_TimeDepositInvestmentMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time deposit investment, maturity term</link:label>
    <link:label id="lab_suz_TimeDepositInvestmentMaturityTerm_label_en-US" xlink:label="lab_suz_TimeDepositInvestmentMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time Deposit Investment, Maturity Term</link:label>
    <link:label id="lab_suz_TimeDepositInvestmentMaturityTerm_documentation_en-US" xlink:label="lab_suz_TimeDepositInvestmentMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Time Deposit Investment, Maturity Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TimeDepositInvestmentMaturityTerm" xlink:href="suz-20260630.xsd#suz_TimeDepositInvestmentMaturityTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TimeDepositInvestmentMaturityTerm" xlink:to="lab_suz_TimeDepositInvestmentMaturityTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestCostsCapitalised_019ff75a-d50c-792d-9a27-f38132c7287a_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest costs capitalised</link:label>
    <link:label id="lab_ifrs-full_InterestCostsCapitalised_label_en-US" xlink:label="lab_ifrs-full_InterestCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest costs capitalised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestCostsCapitalised" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestCostsCapitalised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestCostsCapitalised" xlink:to="lab_ifrs-full_InterestCostsCapitalised" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsAxis_019ff75a-d50c-71de-9b4f-9b1b8d227a24_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [axis]</link:label>
    <link:label id="lab_ifrs-full_SegmentsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsAxis" xlink:to="lab_ifrs-full_SegmentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_019ff75a-d50c-7bbf-b01d-083efcc98fdb_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksAxis" xlink:to="lab_ifrs-full_TypesOfRisksAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoSingaporePte.LtdMember_019ff75a-d50c-7f36-8ad9-48dd7b671a76_terseLabel_en-US" xlink:label="lab_suz_SuzanoSingaporePte.LtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Singapura Pte. Ltda. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoSingaporePte.LtdMember_label_en-US" xlink:label="lab_suz_SuzanoSingaporePte.LtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Singapore Pte. Ltd [Member]</link:label>
    <link:label id="lab_suz_SuzanoSingaporePte.LtdMember_documentation_en-US" xlink:label="lab_suz_SuzanoSingaporePte.LtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Suzano Singapore Pte. Ltd</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoSingaporePte.LtdMember" xlink:href="suz-20260630.xsd#suz_SuzanoSingaporePte.LtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoSingaporePte.LtdMember" xlink:to="lab_suz_SuzanoSingaporePte.LtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfGainsLossesOnFairValueAdjustmentBiologicalAssetsTableTextBlock_019ff75a-d484-7f09-89e0-84e8119ca380_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfGainsLossesOnFairValueAdjustmentBiologicalAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Gains Losses On Fair Value Adjustment Biological Assets</link:label>
    <link:label id="lab_suz_DisclosureOfGainsLossesOnFairValueAdjustmentBiologicalAssetsTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfGainsLossesOnFairValueAdjustmentBiologicalAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Gains Losses On Fair Value Adjustment Biological Assets [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfGainsLossesOnFairValueAdjustmentBiologicalAssetsTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfGainsLossesOnFairValueAdjustmentBiologicalAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of fair value adjustment of biological assets recognized under other operating income (expense), net.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfGainsLossesOnFairValueAdjustmentBiologicalAssetsTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfGainsLossesOnFairValueAdjustmentBiologicalAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfGainsLossesOnFairValueAdjustmentBiologicalAssetsTableTextBlock" xlink:to="lab_suz_DisclosureOfGainsLossesOnFairValueAdjustmentBiologicalAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_BizmaInvestimentosLtda.Member_019ff75a-d5ab-7460-b205-6df2398a38b3_terseLabel_en-US" xlink:label="lab_suz_BizmaInvestimentosLtda.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bizma Investimentos Ltda. [Member]</link:label>
    <link:label id="lab_suz_BizmaInvestimentosLtda.Member_label_en-US" xlink:label="lab_suz_BizmaInvestimentosLtda.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bizma Investimentos Ltda. [Member]</link:label>
    <link:label id="lab_suz_BizmaInvestimentosLtda.Member_documentation_en-US" xlink:label="lab_suz_BizmaInvestimentosLtda.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Bizma Investimentos Ltda. ("Bizma") , a related party controlled by key management personnel.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_BizmaInvestimentosLtda.Member" xlink:href="suz-20260630.xsd#suz_BizmaInvestimentosLtda.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_BizmaInvestimentosLtda.Member" xlink:to="lab_suz_BizmaInvestimentosLtda.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ReserveForCapitalIncreaseMember_019ff75a-d3c2-7557-9a00-3753b13c7c6e_terseLabel_en-US" xlink:label="lab_suz_ReserveForCapitalIncreaseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserve for capital increase [Member]</link:label>
    <link:label id="lab_suz_ReserveForCapitalIncreaseMember_label_en-US" xlink:label="lab_suz_ReserveForCapitalIncreaseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve for capital increase [Member]</link:label>
    <link:label id="lab_suz_ReserveForCapitalIncreaseMember_documentation_en-US" xlink:label="lab_suz_ReserveForCapitalIncreaseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the portion of profit reserves allocated to capital increase.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ReserveForCapitalIncreaseMember" xlink:href="suz-20260630.xsd#suz_ReserveForCapitalIncreaseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ReserveForCapitalIncreaseMember" xlink:to="lab_suz_ReserveForCapitalIncreaseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AccumulatedSocialContributionTaxLossCarryforward_019ff75a-d50c-76ce-a299-bff114410b8d_terseLabel_en-US" xlink:label="lab_suz_AccumulatedSocialContributionTaxLossCarryforward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Negative tax basis of social contribution carried forward</link:label>
    <link:label id="lab_suz_AccumulatedSocialContributionTaxLossCarryforward_label_en-US" xlink:label="lab_suz_AccumulatedSocialContributionTaxLossCarryforward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Social contribution Tax Loss Carryforward</link:label>
    <link:label id="lab_suz_AccumulatedSocialContributionTaxLossCarryforward_documentation_en-US" xlink:label="lab_suz_AccumulatedSocialContributionTaxLossCarryforward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of accumulated social contribution tax loss carryforward.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AccumulatedSocialContributionTaxLossCarryforward" xlink:href="suz-20260630.xsd#suz_AccumulatedSocialContributionTaxLossCarryforward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AccumulatedSocialContributionTaxLossCarryforward" xlink:to="lab_suz_AccumulatedSocialContributionTaxLossCarryforward" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OverdueMoreThan90DaysMember_019ff75a-d484-7cb1-9c87-26042c990258_terseLabel_en-US" xlink:label="lab_suz_OverdueMoreThan90DaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Overdue more than 90 days</link:label>
    <link:label id="lab_suz_OverdueMoreThan90DaysMember_label_en-US" xlink:label="lab_suz_OverdueMoreThan90DaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Overdue more than 90 days member</link:label>
    <link:label id="lab_suz_OverdueMoreThan90DaysMember_documentation_en-US" xlink:label="lab_suz_OverdueMoreThan90DaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a time band of later than three months and negotiated terms..</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OverdueMoreThan90DaysMember" xlink:href="suz-20260630.xsd#suz_OverdueMoreThan90DaysMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OverdueMoreThan90DaysMember" xlink:to="lab_suz_OverdueMoreThan90DaysMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfTaxReceivablesAndPayablesTable_019ff75a-d5ab-7890-89ad-618e17c9a464_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfTaxReceivablesAndPayablesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Tax Receivables and Payables [Table]</link:label>
    <link:label id="lab_suz_DisclosureOfTaxReceivablesAndPayablesTable_label_en-US" xlink:label="lab_suz_DisclosureOfTaxReceivablesAndPayablesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Tax Receivables and Payables [Table]</link:label>
    <link:label id="lab_suz_DisclosureOfTaxReceivablesAndPayablesTable_documentation_en-US" xlink:label="lab_suz_DisclosureOfTaxReceivablesAndPayablesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of Tax Receivables and Payables [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfTaxReceivablesAndPayablesTable" xlink:href="suz-20260630.xsd#suz_DisclosureOfTaxReceivablesAndPayablesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfTaxReceivablesAndPayablesTable" xlink:to="lab_suz_DisclosureOfTaxReceivablesAndPayablesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_019ff75a-d5ab-722f-ad95-5e33046801b8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Transactions Between Related Parties [Table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IfrsCommodityContractMember_019ff75a-d5ab-7379-ae16-8c27b028cb5d_terseLabel_en-US" xlink:label="lab_suz_IfrsCommodityContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity Hedge</link:label>
    <link:label id="lab_suz_IfrsCommodityContractMember_label_en-US" xlink:label="lab_suz_IfrsCommodityContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commodity Hedge</link:label>
    <link:label id="lab_suz_IfrsCommodityContractMember_documentation_en-US" xlink:label="lab_suz_IfrsCommodityContractMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative instrument whose primary underlying risk is tied to commodity prices.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IfrsCommodityContractMember" xlink:href="suz-20260630.xsd#suz_IfrsCommodityContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IfrsCommodityContractMember" xlink:to="lab_suz_IfrsCommodityContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationPropertyPlantAndEquipment_019ff75a-d484-781b-a8f6-eb26f6f31ef4_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_ifrs-full_DepreciationPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfHedgesAxis_019ff75a-d484-77c7-b02c-94a4c0ea43bb_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of hedges [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfHedgesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of hedges [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfHedgesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfHedgesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfHedgesAxis" xlink:to="lab_ifrs-full_TypesOfHedgesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAbstract_019ff75a-d484-7104-a934-e697ec4dcbe9_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit (loss) [abstract]</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAbstract_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="lab_ifrs-full_ProfitLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsCurrent_019ff75a-d3c2-701c-be22-11d323918b77_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recoverable taxes</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsCurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax assets, current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxAssetsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:to="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLAdministrativeProcessRequiringTheCollectionOfIRPJAndCSLLForThe2015CalendarYearMember_019ff75a-d483-75fd-9de6-da41d6d31ee5_terseLabel_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLAdministrativeProcessRequiringTheCollectionOfIRPJAndCSLLForThe2015CalendarYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL Administrative process requiring the collection of IRPJ and CSLL for the 2015 calendar year</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLAdministrativeProcessRequiringTheCollectionOfIRPJAndCSLLForThe2015CalendarYearMember_label_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLAdministrativeProcessRequiringTheCollectionOfIRPJAndCSLLForThe2015CalendarYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL Administrative process requiring the collection of IRPJ and CSLL for the 2015 calendar year [Member]</link:label>
    <link:label id="lab_suz_IncomeTaxAssessmentIRPJCSLLAdministrativeProcessRequiringTheCollectionOfIRPJAndCSLLForThe2015CalendarYearMember_documentation_en-US" xlink:label="lab_suz_IncomeTaxAssessmentIRPJCSLLAdministrativeProcessRequiringTheCollectionOfIRPJAndCSLLForThe2015CalendarYearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax assessment - IRPJ/CSLL Administrative process requiring the collection of IRPJ and CSLL for the 2015 calendar year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncomeTaxAssessmentIRPJCSLLAdministrativeProcessRequiringTheCollectionOfIRPJAndCSLLForThe2015CalendarYearMember" xlink:href="suz-20260630.xsd#suz_IncomeTaxAssessmentIRPJCSLLAdministrativeProcessRequiringTheCollectionOfIRPJAndCSLLForThe2015CalendarYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncomeTaxAssessmentIRPJCSLLAdministrativeProcessRequiringTheCollectionOfIRPJAndCSLLForThe2015CalendarYearMember" xlink:to="lab_suz_IncomeTaxAssessmentIRPJCSLLAdministrativeProcessRequiringTheCollectionOfIRPJAndCSLLForThe2015CalendarYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProvisionForLossOnInvestments_019ff75a-d484-7a09-b337-21eaf6a5a67d_terseLabel_en-US" xlink:label="lab_suz_ProvisionForLossOnInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for loss on investments</link:label>
    <link:label id="lab_suz_ProvisionForLossOnInvestments_019ff75a-d484-79c0-9b72-5009edb53204_negatedTerseLabel_en-US" xlink:label="lab_suz_ProvisionForLossOnInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provision for loss on investments in associates</link:label>
    <link:label id="lab_suz_ProvisionForLossOnInvestments_label_en-US" xlink:label="lab_suz_ProvisionForLossOnInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for loss on investments</link:label>
    <link:label id="lab_suz_ProvisionForLossOnInvestments_documentation_en-US" xlink:label="lab_suz_ProvisionForLossOnInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for loss on investments in subsidiaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProvisionForLossOnInvestments" xlink:href="suz-20260630.xsd#suz_ProvisionForLossOnInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProvisionForLossOnInvestments" xlink:to="lab_suz_ProvisionForLossOnInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember_019ff75a-d484-7a38-beb7-30ce4ee81686_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2031 to 2035</link:label>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than five years and not later than ten years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember" xlink:to="lab_ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_019ff75a-d484-7c5c-be20-15ffc0a751e8_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost, category [member]</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_019ff75a-d50c-73f5-9de6-6c080deca559_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_019ff75a-d5ab-7ab0-95d5-e11615c83deb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of property, plant and equipment [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ProceedsFromIssuanceOfDebtInstruments_019ff75a-d5ab-7672-ab4e-b861e099a8b3_terseLabel_en-US" xlink:label="lab_suz_ProceedsFromIssuanceOfDebtInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds From Issuance Of Debt Instruments</link:label>
    <link:label id="lab_suz_ProceedsFromIssuanceOfDebtInstruments_label_en-US" xlink:label="lab_suz_ProceedsFromIssuanceOfDebtInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Issuance Of Debt Instruments</link:label>
    <link:label id="lab_suz_ProceedsFromIssuanceOfDebtInstruments_documentation_en-US" xlink:label="lab_suz_ProceedsFromIssuanceOfDebtInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds From Issuance Of Debt Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ProceedsFromIssuanceOfDebtInstruments" xlink:href="suz-20260630.xsd#suz_ProceedsFromIssuanceOfDebtInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ProceedsFromIssuanceOfDebtInstruments" xlink:to="lab_suz_ProceedsFromIssuanceOfDebtInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_019ff75a-d3c2-725a-8d90-d2165e38f00f_terseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_019ff75a-d3c2-72b0-bad2-1fe6418a4192_verboseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current assets</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_label_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetDeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDeferredTaxAssets" xlink:to="lab_ifrs-full_NetDeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GrossCashFromOperations_019ff75a-d5ab-7963-9ca0-71885bfb8159_terseLabel_en-US" xlink:label="lab_suz_GrossCashFromOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross Cash from Operations</link:label>
    <link:label id="lab_suz_GrossCashFromOperations_label_en-US" xlink:label="lab_suz_GrossCashFromOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Cash from Operations</link:label>
    <link:label id="lab_suz_GrossCashFromOperations_documentation_en-US" xlink:label="lab_suz_GrossCashFromOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of gross cash from operations calculated as adjusted EBITDA - cash reserved for capital expenditures.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GrossCashFromOperations" xlink:href="suz-20260630.xsd#suz_GrossCashFromOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GrossCashFromOperations" xlink:to="lab_suz_GrossCashFromOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PaymentDueYearDomain_019ff75a-d5ab-766d-ae77-34ac1682259e_terseLabel_en-US" xlink:label="lab_suz_PaymentDueYearDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payment Due Year [Domain]</link:label>
    <link:label id="lab_suz_PaymentDueYearDomain_label_en-US" xlink:label="lab_suz_PaymentDueYearDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment Due Year [Domain]</link:label>
    <link:label id="lab_suz_PaymentDueYearDomain_documentation_en-US" xlink:label="lab_suz_PaymentDueYearDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payment Due Year [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PaymentDueYearDomain" xlink:href="suz-20260630.xsd#suz_PaymentDueYearDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PaymentDueYearDomain" xlink:to="lab_suz_PaymentDueYearDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MatureBiologicalAssetsMember_019ff75a-d50c-7e08-83e6-d24b370fd86c_terseLabel_en-US" xlink:label="lab_ifrs-full_MatureBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mature biological assets [member]</link:label>
    <link:label id="lab_ifrs-full_MatureBiologicalAssetsMember_label_en-US" xlink:label="lab_ifrs-full_MatureBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mature biological assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MatureBiologicalAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MatureBiologicalAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MatureBiologicalAssetsMember" xlink:to="lab_ifrs-full_MatureBiologicalAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ControllerMember_019ff75a-d5ab-7cf0-abed-5a5dd49e6e24_terseLabel_en-US" xlink:label="lab_srt_ControllerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Controller</link:label>
    <link:label id="lab_srt_ControllerMember_label_en-US" xlink:label="lab_srt_ControllerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Controller [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ControllerMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ControllerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ControllerMember" xlink:to="lab_srt_ControllerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseInBorrowingsDueToExchangeDifferencesOnTranslation_019ff75a-d484-7934-adde-3900d6d5a166_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseInBorrowingsDueToExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Monetary and exchange rate variation, net</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInBorrowingsDueToExchangeDifferencesOnTranslation_label_en-US" xlink:label="lab_suz_IncreaseDecreaseInBorrowingsDueToExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Borrowings Due to Exchange Differences on Translation</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInBorrowingsDueToExchangeDifferencesOnTranslation_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseInBorrowingsDueToExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in borrowings due to exchange differences on translation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseInBorrowingsDueToExchangeDifferencesOnTranslation" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseInBorrowingsDueToExchangeDifferencesOnTranslation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseInBorrowingsDueToExchangeDifferencesOnTranslation" xlink:to="lab_suz_IncreaseDecreaseInBorrowingsDueToExchangeDifferencesOnTranslation" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_019ff75a-d5ab-7b32-ba49-3dc5b07ceea3_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_019ff75a-d3c2-7ff0-9376-dc9830da2e34_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain" xlink:to="lab_ifrs-full_ComponentsOfEquityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInPresentValueNet_019ff75a-d484-7644-afab-563c2b6d9345_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInPresentValueNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Defined Benefit Obligation Due to Reasonably Possible Increase in Present Value, Net</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInPresentValueNet_label_en-US" xlink:label="lab_suz_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInPresentValueNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Defined Benefit Obligation Due to Reasonably Possible Increase in Present Value, Net</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInPresentValueNet_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInPresentValueNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in a defined benefit obligation that would have been caused by an increase in the net present value of defined benefit obligation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInPresentValueNet" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInPresentValueNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInPresentValueNet" xlink:to="lab_suz_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInPresentValueNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_019ff75a-d484-7e7e-8182-0265aa47af05_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Restructuring expenses (3)</link:label>
    <link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_label_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense of restructuring activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseOfRestructuringActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseOfRestructuringActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseOfRestructuringActivities" xlink:to="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsPaid_019ff75a-d484-72aa-829f-ec02d0d435f1_terseLabel_en-US" xlink:label="lab_ifrs-full_DividendsPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends to be distributed</link:label>
    <link:label id="lab_ifrs-full_DividendsPaid_label_en-US" xlink:label="lab_ifrs-full_DividendsPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends recognised as distributions to owners</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaid" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaid" xlink:to="lab_ifrs-full_DividendsPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_019ff75a-d484-7c0c-ab81-32df30657444_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ShipsAndBoatsMember_019ff75a-d484-7f85-b110-eaace91d0e2f_terseLabel_en-US" xlink:label="lab_suz_ShipsAndBoatsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ships and boats</link:label>
    <link:label id="lab_suz_ShipsAndBoatsMember_label_en-US" xlink:label="lab_suz_ShipsAndBoatsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ships and boats</link:label>
    <link:label id="lab_suz_ShipsAndBoatsMember_documentation_en-US" xlink:label="lab_suz_ShipsAndBoatsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for ships and boats.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ShipsAndBoatsMember" xlink:href="suz-20260630.xsd#suz_ShipsAndBoatsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ShipsAndBoatsMember" xlink:to="lab_suz_ShipsAndBoatsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NewBorrowingsDuringPeriod_019ff75a-d484-7273-b7ca-3abcbbfbdf56_terseLabel_en-US" xlink:label="lab_suz_NewBorrowingsDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fundraising, net of issuance costs</link:label>
    <link:label id="lab_suz_NewBorrowingsDuringPeriod_label_en-US" xlink:label="lab_suz_NewBorrowingsDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Borrowings During The Period</link:label>
    <link:label id="lab_suz_NewBorrowingsDuringPeriod_documentation_en-US" xlink:label="lab_suz_NewBorrowingsDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New loans and financing during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NewBorrowingsDuringPeriod" xlink:href="suz-20260630.xsd#suz_NewBorrowingsDuringPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NewBorrowingsDuringPeriod" xlink:to="lab_suz_NewBorrowingsDuringPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IfrsBondsMember_019ff75a-d50c-7fd6-9572-16732b894411_terseLabel_en-US" xlink:label="lab_suz_IfrsBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds</link:label>
    <link:label id="lab_suz_IfrsBondsMember_label_en-US" xlink:label="lab_suz_IfrsBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bonds</link:label>
    <link:label id="lab_suz_IfrsBondsMember_documentation_en-US" xlink:label="lab_suz_IfrsBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt security, in which the authorized issuer owes the holder a debt and is obliged to repay the principal and interest (the coupon).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IfrsBondsMember" xlink:href="suz-20260630.xsd#suz_IfrsBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IfrsBondsMember" xlink:to="lab_suz_IfrsBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DollarCouponRateOfDerivativeFinancialInstruments_019ff75a-d50c-74a3-a268-14ed50d578fe_terseLabel_en-US" xlink:label="lab_suz_DollarCouponRateOfDerivativeFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dollar Coupon</link:label>
    <link:label id="lab_suz_DollarCouponRateOfDerivativeFinancialInstruments_label_en-US" xlink:label="lab_suz_DollarCouponRateOfDerivativeFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dollar Coupon Rate of Derivative Financial Instruments</link:label>
    <link:label id="lab_suz_DollarCouponRateOfDerivativeFinancialInstruments_documentation_en-US" xlink:label="lab_suz_DollarCouponRateOfDerivativeFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The rate of interest earned annually by holders of the financial instrument, expressed as a percentage of the par value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DollarCouponRateOfDerivativeFinancialInstruments" xlink:href="suz-20260630.xsd#suz_DollarCouponRateOfDerivativeFinancialInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DollarCouponRateOfDerivativeFinancialInstruments" xlink:to="lab_suz_DollarCouponRateOfDerivativeFinancialInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FibriaTerminalDeCeluloseDeSantosSpeS.a.Member_019ff75a-d5ab-7e72-a575-f41b7d473962_terseLabel_en-US" xlink:label="lab_suz_FibriaTerminalDeCeluloseDeSantosSpeS.a.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fibria Terminal de Celulose de Santos SPE S.A. (Direct)</link:label>
    <link:label id="lab_suz_FibriaTerminalDeCeluloseDeSantosSpeS.a.Member_label_en-US" xlink:label="lab_suz_FibriaTerminalDeCeluloseDeSantosSpeS.a.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fibria Terminal de Celulose de Santos SPE S.A.</link:label>
    <link:label id="lab_suz_FibriaTerminalDeCeluloseDeSantosSpeS.a.Member_documentation_en-US" xlink:label="lab_suz_FibriaTerminalDeCeluloseDeSantosSpeS.a.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Fibria Terminal de Celulose de Santos SPE S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FibriaTerminalDeCeluloseDeSantosSpeS.a.Member" xlink:href="suz-20260630.xsd#suz_FibriaTerminalDeCeluloseDeSantosSpeS.a.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FibriaTerminalDeCeluloseDeSantosSpeS.a.Member" xlink:to="lab_suz_FibriaTerminalDeCeluloseDeSantosSpeS.a.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_019ff75a-d484-75ba-a3c3-96fa5e8f3666_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefits</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for employee benefits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AvailableForCompletionShareUnits_019ff75a-d5ab-71dc-a2b8-5cffad6785b6_terseLabel_en-US" xlink:label="lab_suz_AvailableForCompletionShareUnits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available for completion</link:label>
    <link:label id="lab_suz_AvailableForCompletionShareUnits_label_en-US" xlink:label="lab_suz_AvailableForCompletionShareUnits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available For Completion Share Units</link:label>
    <link:label id="lab_suz_AvailableForCompletionShareUnits_documentation_en-US" xlink:label="lab_suz_AvailableForCompletionShareUnits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents share-based payment instruments that have met the vesting conditions and are available for completion but not yet exercised or transferred.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AvailableForCompletionShareUnits" xlink:href="suz-20260630.xsd#suz_AvailableForCompletionShareUnits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AvailableForCompletionShareUnits" xlink:to="lab_suz_AvailableForCompletionShareUnits" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxEffectsOnDirectorBonus_019ff75a-d50c-7f49-af94-639fcc616f5f_negatedTerseLabel_en-US" xlink:label="lab_suz_TaxEffectsOnDirectorBonus" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Director bonuses</link:label>
    <link:label id="lab_suz_TaxEffectsOnDirectorBonus_label_en-US" xlink:label="lab_suz_TaxEffectsOnDirectorBonus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effects on Director Bonus</link:label>
    <link:label id="lab_suz_TaxEffectsOnDirectorBonus_documentation_en-US" xlink:label="lab_suz_TaxEffectsOnDirectorBonus" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of tax effects on director bonus.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxEffectsOnDirectorBonus" xlink:href="suz-20260630.xsd#suz_TaxEffectsOnDirectorBonus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxEffectsOnDirectorBonus" xlink:to="lab_suz_TaxEffectsOnDirectorBonus" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_019ff75a-d50c-7483-8371-72a2cb1a5854_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_CostOfSalesIdleCapacityAndMaintenance_019ff75a-d484-7763-88be-c9cd81e042b2_terseLabel_en-US" xlink:label="lab_suz_CostOfSalesIdleCapacityAndMaintenance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost Of Sales , Idle Capacity And Maintenance</link:label>
    <link:label id="lab_suz_CostOfSalesIdleCapacityAndMaintenance_label_en-US" xlink:label="lab_suz_CostOfSalesIdleCapacityAndMaintenance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales , Idle Capacity And Maintenance</link:label>
    <link:label id="lab_suz_CostOfSalesIdleCapacityAndMaintenance_documentation_en-US" xlink:label="lab_suz_CostOfSalesIdleCapacityAndMaintenance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The portion of cost of sales attributable to idle capacity and maintenance downtime.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_CostOfSalesIdleCapacityAndMaintenance" xlink:href="suz-20260630.xsd#suz_CostOfSalesIdleCapacityAndMaintenance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_CostOfSalesIdleCapacityAndMaintenance" xlink:to="lab_suz_CostOfSalesIdleCapacityAndMaintenance" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionUsedOtherProvisions_019ff75a-d50c-7fc7-ac35-393db7759976_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionUsedOtherProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments</link:label>
    <link:label id="lab_ifrs-full_ProvisionUsedOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_ProvisionUsedOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision used, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionUsedOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionUsedOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionUsedOtherProvisions" xlink:to="lab_ifrs-full_ProvisionUsedOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeDomain_019ff75a-d5ab-7578-974a-4de1cffc6a12_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [domain]</link:label>
    <link:label id="lab_ifrs-full_RangeDomain_label_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeDomain" xlink:to="lab_ifrs-full_RangeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OperatingProfitReserveBalance_019ff75a-d5ab-7326-970e-d5337952ceb8_terseLabel_en-US" xlink:label="lab_suz_OperatingProfitReserveBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Profit, Reserve Balance</link:label>
    <link:label id="lab_suz_OperatingProfitReserveBalance_label_en-US" xlink:label="lab_suz_OperatingProfitReserveBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Profit, Reserve Balance</link:label>
    <link:label id="lab_suz_OperatingProfitReserveBalance_documentation_en-US" xlink:label="lab_suz_OperatingProfitReserveBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Profit, Reserve Balance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OperatingProfitReserveBalance" xlink:href="suz-20260630.xsd#suz_OperatingProfitReserveBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OperatingProfitReserveBalance" xlink:to="lab_suz_OperatingProfitReserveBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis_019ff75a-d484-7adc-9502-bd0963851d39_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoPrevPensionPlanMember_019ff75a-d50c-7dc0-9308-b6a2306034c1_terseLabel_en-US" xlink:label="lab_suz_SuzanoPrevPensionPlanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Prev</link:label>
    <link:label id="lab_suz_SuzanoPrevPensionPlanMember_label_en-US" xlink:label="lab_suz_SuzanoPrevPensionPlanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Prev</link:label>
    <link:label id="lab_suz_SuzanoPrevPensionPlanMember_documentation_en-US" xlink:label="lab_suz_SuzanoPrevPensionPlanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Suzano Prev Pension Plan.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoPrevPensionPlanMember" xlink:href="suz-20260630.xsd#suz_SuzanoPrevPensionPlanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoPrevPensionPlanMember" xlink:to="lab_suz_SuzanoPrevPensionPlanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment_019ff75a-d484-7408-bc0f-8f98ac22f54d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Result from sale and disposal of property, plant and equipment, intangible and biological assets, net</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for gain (loss) on disposals, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativeFinancialInstrumentsTermAxis_019ff75a-d50c-76de-a6d3-200c57269260_terseLabel_en-US" xlink:label="lab_suz_DerivativeFinancialInstrumentsTermAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Financial Instruments Term [Axis]</link:label>
    <link:label id="lab_suz_DerivativeFinancialInstrumentsTermAxis_label_en-US" xlink:label="lab_suz_DerivativeFinancialInstrumentsTermAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Financial Instruments Term [Axis]</link:label>
    <link:label id="lab_suz_DerivativeFinancialInstrumentsTermAxis_documentation_en-US" xlink:label="lab_suz_DerivativeFinancialInstrumentsTermAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativeFinancialInstrumentsTermAxis" xlink:href="suz-20260630.xsd#suz_DerivativeFinancialInstrumentsTermAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativeFinancialInstrumentsTermAxis" xlink:to="lab_suz_DerivativeFinancialInstrumentsTermAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_MucunungaServicosAmbientaisRestauracaoECarbonoLtda.Member_019ff75a-d484-7279-a20c-534a364876a4_terseLabel_en-US" xlink:label="lab_suz_MucunungaServicosAmbientaisRestauracaoECarbonoLtda.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mu&#231;ununga Servi&#231;os Ambientais, Restaura&#231;&#227;o e Carbono Ltda. (Indirect)</link:label>
    <link:label id="lab_suz_MucunungaServicosAmbientaisRestauracaoECarbonoLtda.Member_label_en-US" xlink:label="lab_suz_MucunungaServicosAmbientaisRestauracaoECarbonoLtda.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mu&#231;ununga Servi&#231;os Ambientais, Restaura&#231;&#227;o e Carbono Ltda. [Member]</link:label>
    <link:label id="lab_suz_MucunungaServicosAmbientaisRestauracaoECarbonoLtda.Member_documentation_en-US" xlink:label="lab_suz_MucunungaServicosAmbientaisRestauracaoECarbonoLtda.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mu&#231;ununga Servi&#231;os Ambientais, Restaura&#231;&#227;o e Carbono Ltda.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_MucunungaServicosAmbientaisRestauracaoECarbonoLtda.Member" xlink:href="suz-20260630.xsd#suz_MucunungaServicosAmbientaisRestauracaoECarbonoLtda.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_MucunungaServicosAmbientaisRestauracaoECarbonoLtda.Member" xlink:to="lab_suz_MucunungaServicosAmbientaisRestauracaoECarbonoLtda.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_September2037Member_019ff75a-d5ab-7084-ada6-03b18fa9e2a7_terseLabel_en-US" xlink:label="lab_suz_September2037Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">September 2037</link:label>
    <link:label id="lab_suz_September2037Member_label_en-US" xlink:label="lab_suz_September2037Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">September 2037 [Member]</link:label>
    <link:label id="lab_suz_September2037Member_documentation_en-US" xlink:label="lab_suz_September2037Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">September 2037</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_September2037Member" xlink:href="suz-20260630.xsd#suz_September2037Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_September2037Member" xlink:to="lab_suz_September2037Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdvancesToSuppliersTable_019ff75a-d5ab-72d7-95b5-6d7fe6d4db29_terseLabel_en-US" xlink:label="lab_suz_AdvancesToSuppliersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to Suppliers [Table]</link:label>
    <link:label id="lab_suz_AdvancesToSuppliersTable_label_en-US" xlink:label="lab_suz_AdvancesToSuppliersTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances to Suppliers [Table]</link:label>
    <link:label id="lab_suz_AdvancesToSuppliersTable_documentation_en-US" xlink:label="lab_suz_AdvancesToSuppliersTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances to Suppliers [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdvancesToSuppliersTable" xlink:href="suz-20260630.xsd#suz_AdvancesToSuppliersTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdvancesToSuppliersTable" xlink:to="lab_suz_AdvancesToSuppliersTable" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ScenarioUnspecifiedDomain_019ff75a-d50c-7f67-8ad8-0ab2cb2b8609_terseLabel_en-US" xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario [Domain]</link:label>
    <link:label id="lab_srt_ScenarioUnspecifiedDomain_label_en-US" xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScenarioUnspecifiedDomain" xlink:to="lab_srt_ScenarioUnspecifiedDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember_019ff75a-d50c-75b3-98ec-ea1d24983f22_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Later than one month and not later than three months [member]</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one month and not later than three months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember" xlink:to="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanSixMonthsMember_019ff75a-d50c-732c-a45d-162cd545441a_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanSixMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">From 181 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanSixMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanSixMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than six months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanSixMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanSixMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanSixMonthsMember" xlink:to="lab_ifrs-full_LaterThanSixMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsHeldForTradingExplanatory_019ff75a-d484-7314-8735-99b005779d45_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsHeldForTradingExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets held for trading [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsHeldForTradingExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsHeldForTradingExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets held for trading [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsHeldForTradingExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsHeldForTradingExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsHeldForTradingExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsHeldForTradingExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_IncreaseDecreaseInInterestOnOwnCapital_019ff75a-d50c-78d5-8307-b3aa0305472f_terseLabel_en-US" xlink:label="lab_suz_IncreaseDecreaseInInterestOnOwnCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in interest on own capital</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInInterestOnOwnCapital_label_en-US" xlink:label="lab_suz_IncreaseDecreaseInInterestOnOwnCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in interest on own capital</link:label>
    <link:label id="lab_suz_IncreaseDecreaseInInterestOnOwnCapital_documentation_en-US" xlink:label="lab_suz_IncreaseDecreaseInInterestOnOwnCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (decrease) in interest on own capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_IncreaseDecreaseInInterestOnOwnCapital" xlink:href="suz-20260630.xsd#suz_IncreaseDecreaseInInterestOnOwnCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_IncreaseDecreaseInInterestOnOwnCapital" xlink:to="lab_suz_IncreaseDecreaseInInterestOnOwnCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_May2044Member_019ff75a-d5ab-73aa-b8f4-24cff214819c_terseLabel_en-US" xlink:label="lab_suz_May2044Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">May 2044</link:label>
    <link:label id="lab_suz_May2044Member_label_en-US" xlink:label="lab_suz_May2044Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">May 2044 [Member]</link:label>
    <link:label id="lab_suz_May2044Member_documentation_en-US" xlink:label="lab_suz_May2044Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">May 2044</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_May2044Member" xlink:href="suz-20260630.xsd#suz_May2044Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_May2044Member" xlink:to="lab_suz_May2044Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_TaxEffectsAssetCapitalization_019ff75a-d483-76d9-9f90-666edd3ffd3a_negatedTerseLabel_en-US" xlink:label="lab_suz_TaxEffectsAssetCapitalization" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Thin capitalization</link:label>
    <link:label id="lab_suz_TaxEffectsAssetCapitalization_label_en-US" xlink:label="lab_suz_TaxEffectsAssetCapitalization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effects Asset Capitalization</link:label>
    <link:label id="lab_suz_TaxEffectsAssetCapitalization_documentation_en-US" xlink:label="lab_suz_TaxEffectsAssetCapitalization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of tax effects asset capitalization.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_TaxEffectsAssetCapitalization" xlink:href="suz-20260630.xsd#suz_TaxEffectsAssetCapitalization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_TaxEffectsAssetCapitalization" xlink:to="lab_suz_TaxEffectsAssetCapitalization" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets_019ff75a-d5ab-753d-8f0b-c664294a73b8_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sales of property, plant and equipment and biological assets</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from disposals of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:to="lab_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SensitivityAnalysisPossibleScenario25PercentChangeMember_019ff75a-d484-72be-b8d5-5583f38dd042_terseLabel_en-US" xlink:label="lab_suz_SensitivityAnalysisPossibleScenario25PercentChangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Possible 25%</link:label>
    <link:label id="lab_suz_SensitivityAnalysisPossibleScenario25PercentChangeMember_label_en-US" xlink:label="lab_suz_SensitivityAnalysisPossibleScenario25PercentChangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Possible 25%</link:label>
    <link:label id="lab_suz_SensitivityAnalysisPossibleScenario25PercentChangeMember_documentation_en-US" xlink:label="lab_suz_SensitivityAnalysisPossibleScenario25PercentChangeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a possible scenario of 25% change in a sensitivity analysis.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SensitivityAnalysisPossibleScenario25PercentChangeMember" xlink:href="suz-20260630.xsd#suz_SensitivityAnalysisPossibleScenario25PercentChangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SensitivityAnalysisPossibleScenario25PercentChangeMember" xlink:to="lab_suz_SensitivityAnalysisPossibleScenario25PercentChangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AverageCapitalisationRatePerMonthPropertyPlantAndEquipment_019ff75a-d5ab-707a-bf45-8c52b719e67c_terseLabel_en-US" xlink:label="lab_suz_AverageCapitalisationRatePerMonthPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average Capitalisation Rate Per Month, Property, Plant and Equipment</link:label>
    <link:label id="lab_suz_AverageCapitalisationRatePerMonthPropertyPlantAndEquipment_label_en-US" xlink:label="lab_suz_AverageCapitalisationRatePerMonthPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average Capitalisation Rate Per Month, Property, Plant and Equipment</link:label>
    <link:label id="lab_suz_AverageCapitalisationRatePerMonthPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_suz_AverageCapitalisationRatePerMonthPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The capitalization rate per month.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AverageCapitalisationRatePerMonthPropertyPlantAndEquipment" xlink:href="suz-20260630.xsd#suz_AverageCapitalisationRatePerMonthPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AverageCapitalisationRatePerMonthPropertyPlantAndEquipment" xlink:to="lab_suz_AverageCapitalisationRatePerMonthPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AmortizationOfFundraisingCosts_019ff75a-d484-7c95-9ba0-a1ecc1065a0a_terseLabel_en-US" xlink:label="lab_suz_AmortizationOfFundraisingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of transaction costs, premium and discounts</link:label>
    <link:label id="lab_suz_AmortizationOfFundraisingCosts_label_en-US" xlink:label="lab_suz_AmortizationOfFundraisingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Fundraising Costs</link:label>
    <link:label id="lab_suz_AmortizationOfFundraisingCosts_documentation_en-US" xlink:label="lab_suz_AmortizationOfFundraisingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of amortization of fundraising costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AmortizationOfFundraisingCosts" xlink:href="suz-20260630.xsd#suz_AmortizationOfFundraisingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AmortizationOfFundraisingCosts" xlink:to="lab_suz_AmortizationOfFundraisingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodIncludingEffectOfExchangeVariationOnInvestmentAbroad_019ff75a-d484-7645-bf5b-cb20dcabc597_terseLabel_en-US" xlink:label="lab_suz_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodIncludingEffectOfExchangeVariationOnInvestmentAbroad" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">In the income (expenses) for the period</link:label>
    <link:label id="lab_suz_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodIncludingEffectOfExchangeVariationOnInvestmentAbroad_label_en-US" xlink:label="lab_suz_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodIncludingEffectOfExchangeVariationOnInvestmentAbroad" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share of profit (loss) of associates and joint ventures accounted for using equity method, including effect of exchange variation on investment abroad</link:label>
    <link:label id="lab_suz_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodIncludingEffectOfExchangeVariationOnInvestmentAbroad_documentation_en-US" xlink:label="lab_suz_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodIncludingEffectOfExchangeVariationOnInvestmentAbroad" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entity's share of the profit (loss) of associates and joint ventures accounted for using the equity method, including effect of exchange variation on investment abroad.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodIncludingEffectOfExchangeVariationOnInvestmentAbroad" xlink:href="suz-20260630.xsd#suz_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodIncludingEffectOfExchangeVariationOnInvestmentAbroad"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodIncludingEffectOfExchangeVariationOnInvestmentAbroad" xlink:to="lab_suz_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodIncludingEffectOfExchangeVariationOnInvestmentAbroad" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_Term6MonthsMember_019ff75a-d5ab-703a-8cd2-a0c1fbb5b8db_terseLabel_en-US" xlink:label="lab_suz_Term6MonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term, 6 months</link:label>
    <link:label id="lab_suz_Term6MonthsMember_label_en-US" xlink:label="lab_suz_Term6MonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term, 6 months [Member]</link:label>
    <link:label id="lab_suz_Term6MonthsMember_documentation_en-US" xlink:label="lab_suz_Term6MonthsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivative instrument maturities of six months.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_Term6MonthsMember" xlink:href="suz-20260630.xsd#suz_Term6MonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_Term6MonthsMember" xlink:to="lab_suz_Term6MonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_NCEExportCreditNotesMember_019ff75a-d50c-7623-8bca-97a3f70ff2a8_terseLabel_en-US" xlink:label="lab_suz_NCEExportCreditNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NCE (&#8220;Export Credit Notes&#8221;)</link:label>
    <link:label id="lab_suz_NCEExportCreditNotesMember_label_en-US" xlink:label="lab_suz_NCEExportCreditNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NCE ("Export Credit Notes") [Member]</link:label>
    <link:label id="lab_suz_NCEExportCreditNotesMember_documentation_en-US" xlink:label="lab_suz_NCEExportCreditNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for export credit notes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_NCEExportCreditNotesMember" xlink:href="suz-20260630.xsd#suz_NCEExportCreditNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_NCEExportCreditNotesMember" xlink:to="lab_suz_NCEExportCreditNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory_019ff75a-d50c-7918-a0f3-dcf176b578e0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in biological assets [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in biological assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfCustomersAxis_019ff75a-d50c-7b7d-80cf-e23d1451f5dd_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of customers [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfCustomersAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of customers [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfCustomersAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfCustomersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfCustomersAxis" xlink:to="lab_ifrs-full_TypesOfCustomersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionalProvisionsOtherProvisions_019ff75a-d5ab-77ec-9e34-f5095d8f9195_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionalProvisionsOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionalProvisionsOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_AdditionalProvisionsOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional provisions, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionalProvisionsOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionalProvisionsOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionalProvisionsOtherProvisions" xlink:to="lab_ifrs-full_AdditionalProvisionsOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfTradeAccountsReceivablesByTypeOfCustomerTableTextBlock_019ff75a-d50c-7548-88ad-b7db19dccae5_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfTradeAccountsReceivablesByTypeOfCustomerTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Trade Accounts Receivables by Type of Customer</link:label>
    <link:label id="lab_suz_DisclosureOfTradeAccountsReceivablesByTypeOfCustomerTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfTradeAccountsReceivablesByTypeOfCustomerTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Trade Accounts Receivables by Type of Customer [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfTradeAccountsReceivablesByTypeOfCustomerTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfTradeAccountsReceivablesByTypeOfCustomerTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about trade accounts receivables by customer.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfTradeAccountsReceivablesByTypeOfCustomerTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfTradeAccountsReceivablesByTypeOfCustomerTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfTradeAccountsReceivablesByTypeOfCustomerTableTextBlock" xlink:to="lab_suz_DisclosureOfTradeAccountsReceivablesByTypeOfCustomerTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_FamProTissueHoldingsB.V.Member_019ff75a-d5ab-7b28-9bbb-c1104d8fcd67_terseLabel_en-US" xlink:label="lab_suz_FamProTissueHoldingsB.V.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FamPro Tissue Holdings B.V.</link:label>
    <link:label id="lab_suz_FamProTissueHoldingsB.V.Member_label_en-US" xlink:label="lab_suz_FamProTissueHoldingsB.V.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FamPro Tissue Holdings B.V. [Member]</link:label>
    <link:label id="lab_suz_FamProTissueHoldingsB.V.Member_documentation_en-US" xlink:label="lab_suz_FamProTissueHoldingsB.V.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">FamPro Tissue Holdings B.V.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_FamProTissueHoldingsB.V.Member" xlink:href="suz-20260630.xsd#suz_FamProTissueHoldingsB.V.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_FamProTissueHoldingsB.V.Member" xlink:to="lab_suz_FamProTissueHoldingsB.V.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsNoncurrent_019ff75a-d484-7643-9fdc-ee0ff10e1c9d_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recoverable taxes</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsNoncurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax assets, non-current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxAssetsNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:to="lab_ifrs-full_CurrentTaxAssetsNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PSOMember_019ff75a-d484-7a02-835e-eb9e2df91c48_terseLabel_en-US" xlink:label="lab_suz_PSOMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PSO</link:label>
    <link:label id="lab_suz_PSOMember_label_en-US" xlink:label="lab_suz_PSOMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PSO [Member]</link:label>
    <link:label id="lab_suz_PSOMember_documentation_en-US" xlink:label="lab_suz_PSOMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Incentive compensation awarded to employees consisting of a stated number of phantom shares or units.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PSOMember" xlink:href="suz-20260630.xsd#suz_PSOMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PSOMember" xlink:to="lab_suz_PSOMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotionalAmount_019ff75a-d483-7b4e-9eb1-26b30256540e_terseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notional amount</link:label>
    <link:label id="lab_ifrs-full_NotionalAmount_label_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notional amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotionalAmount" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotionalAmount" xlink:to="lab_ifrs-full_NotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNoncurrentNonfinancialLiabilities_019ff75a-d484-71fc-865e-fc986fcdc5fb_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentNonfinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentNonfinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentNonfinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-current non-financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentNonfinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentNonfinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentNonfinancialLiabilities" xlink:to="lab_ifrs-full_OtherNoncurrentNonfinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_September2035Member_019ff75a-d484-7c08-ad44-77464dcf2e5b_terseLabel_en-US" xlink:label="lab_suz_September2035Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">September 2035</link:label>
    <link:label id="lab_suz_September2035Member_label_en-US" xlink:label="lab_suz_September2035Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">September 2035 [Member]</link:label>
    <link:label id="lab_suz_September2035Member_documentation_en-US" xlink:label="lab_suz_September2035Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">September 2035</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_September2035Member" xlink:href="suz-20260630.xsd#suz_September2035Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_September2035Member" xlink:to="lab_suz_September2035Member" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LaterThanSixYearsMember_019ff75a-d484-7fb0-b088-dfcd4c07da2a_terseLabel_en-US" xlink:label="lab_suz_LaterThanSixYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Later than six years [Member]</link:label>
    <link:label id="lab_suz_LaterThanSixYearsMember_label_en-US" xlink:label="lab_suz_LaterThanSixYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than six years [Member]</link:label>
    <link:label id="lab_suz_LaterThanSixYearsMember_documentation_en-US" xlink:label="lab_suz_LaterThanSixYearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Later than six years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LaterThanSixYearsMember" xlink:href="suz-20260630.xsd#suz_LaterThanSixYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LaterThanSixYearsMember" xlink:to="lab_suz_LaterThanSixYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_PulpMember_019ff75a-d5ab-71fd-8599-2f0ac3f55c96_terseLabel_en-US" xlink:label="lab_suz_PulpMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pulp</link:label>
    <link:label id="lab_suz_PulpMember_label_en-US" xlink:label="lab_suz_PulpMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pulp products</link:label>
    <link:label id="lab_suz_PulpMember_documentation_en-US" xlink:label="lab_suz_PulpMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for pulp products.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_PulpMember" xlink:href="suz-20260630.xsd#suz_PulpMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_PulpMember" xlink:to="lab_suz_PulpMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_019ff75a-d5ab-7075-95e4-90fff093bcae_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_019ff75a-d5ab-759b-9047-45610fb2325b_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLeaseLiabilities" xlink:to="lab_ifrs-full_CurrentLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory_019ff75a-d484-7f4b-8d6a-30574bf3ffc6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of investments accounted for using equity method [text block]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of investments accounted for using equity method [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwillAbstract_019ff75a-d50c-7737-b7a4-8b0c62d0a814_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in intangible assets other than goodwill [abstract]</link:label>
    <link:label id="lab_ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes in intangible assets other than goodwill [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwillAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:to="lab_ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesTable_019ff75a-d50c-73b1-9704-3bec18e25f4c_terseLabel_en-US" xlink:label="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Changes in Lease Libilities [Table]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesTable_label_en-US" xlink:label="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Changes in Lease Libilities [Table]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesTable_documentation_en-US" xlink:label="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Changes in Lease Libilities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesTable" xlink:href="suz-20260630.xsd#suz_LesseeOperatingLeasesChangesInLeaseLibilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesTable" xlink:to="lab_suz_LesseeOperatingLeasesChangesInLeaseLibilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SensitivityAnalysisInterestRatePercentageOfIncreaseDecrease_019ff75a-d484-7d7d-a8f0-0d9c47c100a3_terseLabel_en-US" xlink:label="lab_suz_SensitivityAnalysisInterestRatePercentageOfIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis, Interest Rate, Percentage of Increase (Decrease)</link:label>
    <link:label id="lab_suz_SensitivityAnalysisInterestRatePercentageOfIncreaseDecrease_label_en-US" xlink:label="lab_suz_SensitivityAnalysisInterestRatePercentageOfIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis, Interest Rate, Percentage of Increase (Decrease)</link:label>
    <link:label id="lab_suz_SensitivityAnalysisInterestRatePercentageOfIncreaseDecrease_documentation_en-US" xlink:label="lab_suz_SensitivityAnalysisInterestRatePercentageOfIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in the interest rate used in a sensitivity analysis.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SensitivityAnalysisInterestRatePercentageOfIncreaseDecrease" xlink:href="suz-20260630.xsd#suz_SensitivityAnalysisInterestRatePercentageOfIncreaseDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SensitivityAnalysisInterestRatePercentageOfIncreaseDecrease" xlink:to="lab_suz_SensitivityAnalysisInterestRatePercentageOfIncreaseDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DerivativeInstrumentInterestRateEffectivePercentage_019ff75a-d5ab-705b-9c21-d77e30ac924d_terseLabel_en-US" xlink:label="lab_suz_DerivativeInstrumentInterestRateEffectivePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Yeld curves</link:label>
    <link:label id="lab_suz_DerivativeInstrumentInterestRateEffectivePercentage_label_en-US" xlink:label="lab_suz_DerivativeInstrumentInterestRateEffectivePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instrument, Interest Rate, Effective Percentage</link:label>
    <link:label id="lab_suz_DerivativeInstrumentInterestRateEffectivePercentage_documentation_en-US" xlink:label="lab_suz_DerivativeInstrumentInterestRateEffectivePercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Effective interest rate for the derivative instrument, considering interest compounding and original issue discount or premium.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DerivativeInstrumentInterestRateEffectivePercentage" xlink:href="suz-20260630.xsd#suz_DerivativeInstrumentInterestRateEffectivePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DerivativeInstrumentInterestRateEffectivePercentage" xlink:to="lab_suz_DerivativeInstrumentInterestRateEffectivePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CurrencyAxis_019ff75a-d5ab-7646-ae85-fbe8b5cbae76_terseLabel_en-US" xlink:label="lab_srt_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency [Axis]</link:label>
    <link:label id="lab_srt_CurrencyAxis_label_en-US" xlink:label="lab_srt_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CurrencyAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CurrencyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CurrencyAxis" xlink:to="lab_srt_CurrencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GeneralAndAdministrativeExpenseOtherExpenses_019ff75a-d484-7360-a05e-526979cbdf95_negatedTerseLabel_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpenseOtherExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other (3)</link:label>
    <link:label id="lab_suz_GeneralAndAdministrativeExpenseOtherExpenses_label_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpenseOtherExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General and Administrative Expense, Other Expenses</link:label>
    <link:label id="lab_suz_GeneralAndAdministrativeExpenseOtherExpenses_documentation_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpenseOtherExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other expenses relating to general and administrative expenses. Includes corporate expenses, insurance, materials (use and consumption), social projects and donations, expenses with travel and accommodation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GeneralAndAdministrativeExpenseOtherExpenses" xlink:href="suz-20260630.xsd#suz_GeneralAndAdministrativeExpenseOtherExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GeneralAndAdministrativeExpenseOtherExpenses" xlink:to="lab_suz_GeneralAndAdministrativeExpenseOtherExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis_019ff75a-d5ab-7290-a38c-7ec5ae068385_terseLabel_en-US" xlink:label="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Continuing involvement in derecognised financial assets by type of transfer [axis]</link:label>
    <link:label id="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis_label_en-US" xlink:label="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Continuing involvement in derecognised financial assets by type of transfer [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis" xlink:to="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_019ff75a-d5ab-7e5c-b0bf-43e11358319f_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_019ff75a-d5ab-76aa-8123-0017e48caae6_verboseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings per common share &#8211; R$</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:to="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ThirdPartiesMember_019ff75a-d5ab-7c6b-9093-7eec8850aca4_terseLabel_en-US" xlink:label="lab_suz_ThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Third party</link:label>
    <link:label id="lab_suz_ThirdPartiesMember_label_en-US" xlink:label="lab_suz_ThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Third parties</link:label>
    <link:label id="lab_suz_ThirdPartiesMember_documentation_en-US" xlink:label="lab_suz_ThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for third party members.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ThirdPartiesMember" xlink:href="suz-20260630.xsd#suz_ThirdPartiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ThirdPartiesMember" xlink:to="lab_suz_ThirdPartiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityDomain_019ff75a-d50c-7e66-8464-5a8282362328_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity [domain]</link:label>
    <link:label id="lab_ifrs-full_MaturityDomain_label_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityDomain" xlink:to="lab_ifrs-full_MaturityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_019ff75a-d50c-7b7a-9295-678abc80ef05_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_GeneralAndAdministrativeExpensePersonnelExpenses_019ff75a-d50c-7843-8d08-8f1e11883e5e_negatedTerseLabel_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpensePersonnelExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Personnel expenses</link:label>
    <link:label id="lab_suz_GeneralAndAdministrativeExpensePersonnelExpenses_label_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpensePersonnelExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General and Administrative Expense, Personnel Expenses</link:label>
    <link:label id="lab_suz_GeneralAndAdministrativeExpensePersonnelExpenses_documentation_en-US" xlink:label="lab_suz_GeneralAndAdministrativeExpensePersonnelExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of personnel expenses relating to general and administrative expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_GeneralAndAdministrativeExpensePersonnelExpenses" xlink:href="suz-20260630.xsd#suz_GeneralAndAdministrativeExpensePersonnelExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_GeneralAndAdministrativeExpensePersonnelExpenses" xlink:to="lab_suz_GeneralAndAdministrativeExpensePersonnelExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities_019ff75a-d5ab-773c-bf6c-9779347aa414_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Main activity</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of nature of entity's operations and principal activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:to="lab_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_RecoverableTaxesOtherTaxesAndContributions_019ff75a-d484-7770-abf9-e0f0fc40695e_terseLabel_en-US" xlink:label="lab_suz_RecoverableTaxesOtherTaxesAndContributions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other taxes and contributions</link:label>
    <link:label id="lab_suz_RecoverableTaxesOtherTaxesAndContributions_label_en-US" xlink:label="lab_suz_RecoverableTaxesOtherTaxesAndContributions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recoverable Taxes, Other Taxes and Contributions</link:label>
    <link:label id="lab_suz_RecoverableTaxesOtherTaxesAndContributions_documentation_en-US" xlink:label="lab_suz_RecoverableTaxesOtherTaxesAndContributions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of recoverable taxes from other taxes and contributions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_RecoverableTaxesOtherTaxesAndContributions" xlink:href="suz-20260630.xsd#suz_RecoverableTaxesOtherTaxesAndContributions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_RecoverableTaxesOtherTaxesAndContributions" xlink:to="lab_suz_RecoverableTaxesOtherTaxesAndContributions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis_019ff75a-d50c-7225-888a-f4e23796a603_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LaterThan120DaysAndNotLaterThan180DaysMember_019ff75a-d50c-7271-b991-4220ea75b6ee_terseLabel_en-US" xlink:label="lab_suz_LaterThan120DaysAndNotLaterThan180DaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">From 121 to 180 days</link:label>
    <link:label id="lab_suz_LaterThan120DaysAndNotLaterThan180DaysMember_label_en-US" xlink:label="lab_suz_LaterThan120DaysAndNotLaterThan180DaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">From 121 to 180 days</link:label>
    <link:label id="lab_suz_LaterThan120DaysAndNotLaterThan180DaysMember_documentation_en-US" xlink:label="lab_suz_LaterThan120DaysAndNotLaterThan180DaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a time band of later than 120 days and not later than 180 days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LaterThan120DaysAndNotLaterThan180DaysMember" xlink:href="suz-20260630.xsd#suz_LaterThan120DaysAndNotLaterThan180DaysMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LaterThan120DaysAndNotLaterThan180DaysMember" xlink:to="lab_suz_LaterThan120DaysAndNotLaterThan180DaysMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SuzanoNetherlandsB.V.Member_019ff75a-d484-7fa2-bbb9-9124f9825915_terseLabel_en-US" xlink:label="lab_suz_SuzanoNetherlandsB.V.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suzano Netherlands B.V. (Direct)</link:label>
    <link:label id="lab_suz_SuzanoNetherlandsB.V.Member_label_en-US" xlink:label="lab_suz_SuzanoNetherlandsB.V.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Suzano Netherlands B.V. [Member]</link:label>
    <link:label id="lab_suz_SuzanoNetherlandsB.V.Member_documentation_en-US" xlink:label="lab_suz_SuzanoNetherlandsB.V.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Suzano Netherlands B.V.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SuzanoNetherlandsB.V.Member" xlink:href="suz-20260630.xsd#suz_SuzanoNetherlandsB.V.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SuzanoNetherlandsB.V.Member" xlink:to="lab_suz_SuzanoNetherlandsB.V.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_019ff75a-d484-7ae8-8971-330749b8f1d2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AverageEffectiveTaxRate_019ff75a-d484-7376-80b4-bb0d15561515_terseLabel_en-US" xlink:label="lab_ifrs-full_AverageEffectiveTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective rate of income and social contribution tax expenses</link:label>
    <link:label id="lab_ifrs-full_AverageEffectiveTaxRate_label_en-US" xlink:label="lab_ifrs-full_AverageEffectiveTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average effective tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AverageEffectiveTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AverageEffectiveTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AverageEffectiveTaxRate" xlink:to="lab_ifrs-full_AverageEffectiveTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OneProceedingMember_019ff75a-d5ab-734d-aee6-d5b065bb37c9_terseLabel_en-US" xlink:label="lab_suz_OneProceedingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">One Proceeding</link:label>
    <link:label id="lab_suz_OneProceedingMember_label_en-US" xlink:label="lab_suz_OneProceedingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">One Proceeding [Member]</link:label>
    <link:label id="lab_suz_OneProceedingMember_documentation_en-US" xlink:label="lab_suz_OneProceedingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">One Proceeding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OneProceedingMember" xlink:href="suz-20260630.xsd#suz_OneProceedingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OneProceedingMember" xlink:to="lab_suz_OneProceedingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_VehiclesMember_019ff75a-d50c-73c3-b7c3-58870488a8f7_terseLabel_en-US" xlink:label="lab_ifrs-full_VehiclesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vehicles</link:label>
    <link:label id="lab_ifrs-full_VehiclesMember_label_en-US" xlink:label="lab_ifrs-full_VehiclesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vehicles [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_VehiclesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_VehiclesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_VehiclesMember" xlink:to="lab_ifrs-full_VehiclesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AtFairValueMember_019ff75a-d3c2-75d4-84a4-9588554631f2_terseLabel_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">At fair value</link:label>
    <link:label id="lab_ifrs-full_AtFairValueMember_label_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">At fair value [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AtFairValueMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AtFairValueMember" xlink:to="lab_ifrs-full_AtFairValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_LesseeOperatingLeasesExpensesRecognisedInProfitOrLossTableTextBlock_019ff75a-d5ab-7495-a2f2-7da43e62436b_terseLabel_en-US" xlink:label="lab_suz_LesseeOperatingLeasesExpensesRecognisedInProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Expenses Recognised in Profit or Loss [Table Text Block ]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesExpensesRecognisedInProfitOrLossTableTextBlock_label_en-US" xlink:label="lab_suz_LesseeOperatingLeasesExpensesRecognisedInProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases, Expenses Recognised in Profit or Loss [Table Text Block]</link:label>
    <link:label id="lab_suz_LesseeOperatingLeasesExpensesRecognisedInProfitOrLossTableTextBlock_documentation_en-US" xlink:label="lab_suz_LesseeOperatingLeasesExpensesRecognisedInProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the lease expenses recognised in profit or loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_LesseeOperatingLeasesExpensesRecognisedInProfitOrLossTableTextBlock" xlink:href="suz-20260630.xsd#suz_LesseeOperatingLeasesExpensesRecognisedInProfitOrLossTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_LesseeOperatingLeasesExpensesRecognisedInProfitOrLossTableTextBlock" xlink:to="lab_suz_LesseeOperatingLeasesExpensesRecognisedInProfitOrLossTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_OtherMiscellaneousProvisions_019ff75a-d3c2-7da1-9941-4e5df600d59f_periodStartLabel_en-US" xlink:label="lab_suz_OtherMiscellaneousProvisions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance provision at the beginning for the period</link:label>
    <link:label id="lab_suz_OtherMiscellaneousProvisions_019ff75a-d3c2-7a87-9075-ad015cd03787_periodEndLabel_en-US" xlink:label="lab_suz_OtherMiscellaneousProvisions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Provision Balance</link:label>
    <link:label id="lab_suz_OtherMiscellaneousProvisions_label_en-US" xlink:label="lab_suz_OtherMiscellaneousProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Miscellaneous Provisions</link:label>
    <link:label id="lab_suz_OtherMiscellaneousProvisions_documentation_en-US" xlink:label="lab_suz_OtherMiscellaneousProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other miscellaneous provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_OtherMiscellaneousProvisions" xlink:href="suz-20260630.xsd#suz_OtherMiscellaneousProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_OtherMiscellaneousProvisions" xlink:to="lab_suz_OtherMiscellaneousProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_ExportPrepaymentAgreementsEPPBankOfChinaMember_019ff75a-d484-772c-bf9d-361cb715e776_terseLabel_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementsEPPBankOfChinaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreements ("EPP") - Bank of China</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementsEPPBankOfChinaMember_label_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementsEPPBankOfChinaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreements ("EPP") - Bank of China [Member]</link:label>
    <link:label id="lab_suz_ExportPrepaymentAgreementsEPPBankOfChinaMember_documentation_en-US" xlink:label="lab_suz_ExportPrepaymentAgreementsEPPBankOfChinaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Export Prepayment Agreements ("EPP") - Bank of China</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_ExportPrepaymentAgreementsEPPBankOfChinaMember" xlink:href="suz-20260630.xsd#suz_ExportPrepaymentAgreementsEPPBankOfChinaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_ExportPrepaymentAgreementsEPPBankOfChinaMember" xlink:to="lab_suz_ExportPrepaymentAgreementsEPPBankOfChinaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_019ff75a-d50c-7231-bf05-1b7e5a8c9c68_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share [text block]</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareExplanatory" xlink:to="lab_ifrs-full_EarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_AdjustedEBITDA_019ff75a-d484-7b07-83ff-f2be85e46c0a_terseLabel_en-US" xlink:label="lab_suz_AdjustedEBITDA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjusted EBITDA</link:label>
    <link:label id="lab_suz_AdjustedEBITDA_label_en-US" xlink:label="lab_suz_AdjustedEBITDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjusted EBITDA</link:label>
    <link:label id="lab_suz_AdjustedEBITDA_documentation_en-US" xlink:label="lab_suz_AdjustedEBITDA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjusted EBITDA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_AdjustedEBITDA" xlink:href="suz-20260630.xsd#suz_AdjustedEBITDA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_AdjustedEBITDA" xlink:to="lab_suz_AdjustedEBITDA" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_019ff75a-d50c-7af6-aa22-2e43b7c937ac_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_DisclosureOfTaxIncentivesTableTextBlock_019ff75a-d484-7717-ad30-777eee0df755_terseLabel_en-US" xlink:label="lab_suz_DisclosureOfTaxIncentivesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Tax Incentives</link:label>
    <link:label id="lab_suz_DisclosureOfTaxIncentivesTableTextBlock_label_en-US" xlink:label="lab_suz_DisclosureOfTaxIncentivesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Tax Incentives [Table Text Block]</link:label>
    <link:label id="lab_suz_DisclosureOfTaxIncentivesTableTextBlock_documentation_en-US" xlink:label="lab_suz_DisclosureOfTaxIncentivesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of tax incentives.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_DisclosureOfTaxIncentivesTableTextBlock" xlink:href="suz-20260630.xsd#suz_DisclosureOfTaxIncentivesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_DisclosureOfTaxIncentivesTableTextBlock" xlink:to="lab_suz_DisclosureOfTaxIncentivesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_019ff75a-d484-7d54-8628-2d2cb99542cc_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Additions to intangible</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of intangible assets, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_suz_SwapVeryLowSulphurFuelOilBlendsAndOtherMember_019ff75a-d50c-7e83-a384-6b566a175760_terseLabel_en-US" xlink:label="lab_suz_SwapVeryLowSulphurFuelOilBlendsAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap VLSFO/other</link:label>
    <link:label id="lab_suz_SwapVeryLowSulphurFuelOilBlendsAndOtherMember_label_en-US" xlink:label="lab_suz_SwapVeryLowSulphurFuelOilBlendsAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap VLSFO/other</link:label>
    <link:label id="lab_suz_SwapVeryLowSulphurFuelOilBlendsAndOtherMember_documentation_en-US" xlink:label="lab_suz_SwapVeryLowSulphurFuelOilBlendsAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for swaps of very low sulphur fuel oil (VLSFO) blends and Other.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_suz_SwapVeryLowSulphurFuelOilBlendsAndOtherMember" xlink:href="suz-20260630.xsd#suz_SwapVeryLowSulphurFuelOilBlendsAndOtherMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_suz_SwapVeryLowSulphurFuelOilBlendsAndOtherMember" xlink:to="lab_suz_SwapVeryLowSulphurFuelOilBlendsAndOtherMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InternalCreditGradesAxis_019ff75a-d484-7880-a4cf-6197ea22560f_terseLabel_en-US" xlink:label="lab_ifrs-full_InternalCreditGradesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Internal credit grades [axis]</link:label>
    <link:label id="lab_ifrs-full_InternalCreditGradesAxis_label_en-US" xlink:label="lab_ifrs-full_InternalCreditGradesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Internal credit grades [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InternalCreditGradesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InternalCreditGradesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InternalCreditGradesAxis" xlink:to="lab_ifrs-full_InternalCreditGradesAxis" xlink:type="arc" order="1"/>
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