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  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
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    <link:label id="lab_meso_FairValueRemeasurementOfContingentConsiderationAfterTax_label_en-US" xlink:label="lab_meso_FairValueRemeasurementOfContingentConsiderationAfterTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Remeasurement Of Contingent Consideration After Tax</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfContingentConsiderationAfterTax_documentation_en-US" xlink:label="lab_meso_FairValueRemeasurementOfContingentConsiderationAfterTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of contingent consideration after tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FairValueRemeasurementOfContingentConsiderationAfterTax" xlink:href="meso-20260630.xsd#meso_FairValueRemeasurementOfContingentConsiderationAfterTax"/>
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    <link:label id="lab_currency_CHF_label_en-US" xlink:label="lab_currency_CHF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Switzerland, Francs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_CHF" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_CHF"/>
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    <link:label id="lab_ifrs-full_InterestExpense_label_en-US" xlink:label="lab_ifrs-full_InterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpense" xlink:to="lab_ifrs-full_InterestExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfNetMovementRelatedToDeferredTaxAssetsAndLiabilitiesExplanatoryTableTextBlock_019f3528-b14c-7aab-a9a2-b156ff4822eb_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfNetMovementRelatedToDeferredTaxAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Movements Related to Deferred Tax Assets and Liabilities</link:label>
    <link:label id="lab_meso_DisclosureOfNetMovementRelatedToDeferredTaxAssetsAndLiabilitiesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfNetMovementRelatedToDeferredTaxAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Net Movement Related To Deferred Tax Assets And Liabilities Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfNetMovementRelatedToDeferredTaxAssetsAndLiabilitiesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfNetMovementRelatedToDeferredTaxAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of net movement related to deferred tax assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfNetMovementRelatedToDeferredTaxAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfNetMovementRelatedToDeferredTaxAssetsAndLiabilitiesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfNetMovementRelatedToDeferredTaxAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfNetMovementRelatedToDeferredTaxAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredTaxLiabilityAbstract_019f3528-b0c3-78a6-ba85-383f1499bf24_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxLiabilityAbstract" 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_meso_DeferredTaxLiabilityAbstract_label_en-US" xlink:label="lab_meso_DeferredTaxLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liability [Abstract]</link:label>
    <link:label id="lab_meso_DeferredTaxLiabilityAbstract_documentation_en-US" xlink:label="lab_meso_DeferredTaxLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxLiabilityAbstract" xlink:href="meso-20260630.xsd#meso_DeferredTaxLiabilityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxLiabilityAbstract" xlink:to="lab_meso_DeferredTaxLiabilityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetirementsRightofuseAssets_01a01844-a79a-76aa-a2ab-d84b80fb7a64_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RetirementsRightofuseAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Derecognition</link:label>
    <link:label id="lab_ifrs-full_RetirementsRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_RetirementsRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirements, right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetirementsRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetirementsRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetirementsRightofuseAssets" xlink:to="lab_ifrs-full_RetirementsRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_019f3528-b026-758a-879b-2fe77c78fa7b_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">Payments for 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_ifrs-full_WagesAndSalaries_019f3528-b0c3-7e5e-9e15-619682b16cc5_negatedLabel_en-US" xlink:label="lab_ifrs-full_WagesAndSalaries" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Salaries and employee benefits</link:label>
    <link:label id="lab_ifrs-full_WagesAndSalaries_label_en-US" xlink:label="lab_ifrs-full_WagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wages and salaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WagesAndSalaries" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WagesAndSalaries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WagesAndSalaries" xlink:to="lab_ifrs-full_WagesAndSalaries" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests_019f3528-af4f-7936-a84e-b1ab16d7bfc7_terseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity holding</link:label>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion of ownership interests held by non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFileNumber_019f3528-b026-7fd9-b29c-01d21bfc7d5f_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity File Number</link:label>
    <link:label id="lab_dei_EntityFileNumber_label_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity File Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ReceivablesFromIncomeTax_019f3528-b026-79b5-99d5-a7a91895f434_terseLabel_en-US" xlink:label="lab_meso_ReceivablesFromIncomeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivables From Income Tax</link:label>
    <link:label id="lab_meso_ReceivablesFromIncomeTax_label_en-US" xlink:label="lab_meso_ReceivablesFromIncomeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables From Income Tax</link:label>
    <link:label id="lab_meso_ReceivablesFromIncomeTax_documentation_en-US" xlink:label="lab_meso_ReceivablesFromIncomeTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Receivables from income tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ReceivablesFromIncomeTax" xlink:href="meso-20260630.xsd#meso_ReceivablesFromIncomeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ReceivablesFromIncomeTax" xlink:to="lab_meso_ReceivablesFromIncomeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TransactionCostsArisingOnShareIssueValue_019f3528-b0c3-739f-9c63-81aaf75cd7b8_negatedLabel_en-US" xlink:label="lab_meso_TransactionCostsArisingOnShareIssueValue" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Transaction costs arising on share issue</link:label>
    <link:label id="lab_meso_TransactionCostsArisingOnShareIssueValue_label_en-US" xlink:label="lab_meso_TransactionCostsArisingOnShareIssueValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transaction Costs Arising On Share Issue, Value</link:label>
    <link:label id="lab_meso_TransactionCostsArisingOnShareIssueValue_documentation_en-US" xlink:label="lab_meso_TransactionCostsArisingOnShareIssueValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transaction costs arising on share issue.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TransactionCostsArisingOnShareIssueValue" xlink:href="meso-20260630.xsd#meso_TransactionCostsArisingOnShareIssueValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TransactionCostsArisingOnShareIssueValue" xlink:to="lab_meso_TransactionCostsArisingOnShareIssueValue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredTaxAssetExpirationPeriod_019f3528-b14c-7a11-9eb5-c7fae45116b6_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetExpirationPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax asset expiration period</link:label>
    <link:label id="lab_meso_DeferredTaxAssetExpirationPeriod_label_en-US" xlink:label="lab_meso_DeferredTaxAssetExpirationPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Asset Expiration Period</link:label>
    <link:label id="lab_meso_DeferredTaxAssetExpirationPeriod_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetExpirationPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax asset expiration period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetExpirationPeriod" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetExpirationPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetExpirationPeriod" xlink:to="lab_meso_DeferredTaxAssetExpirationPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FairValuePerWarrant_019f3528-b14c-79cc-a8f8-0751dd855ba2_terseLabel_en-US" xlink:label="lab_meso_FairValuePerWarrant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value per warrant (in dollars per share)</link:label>
    <link:label id="lab_meso_FairValuePerWarrant_label_en-US" xlink:label="lab_meso_FairValuePerWarrant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Per Warrant</link:label>
    <link:label id="lab_meso_FairValuePerWarrant_documentation_en-US" xlink:label="lab_meso_FairValuePerWarrant" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value per warrant.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FairValuePerWarrant" xlink:href="meso-20260630.xsd#meso_FairValuePerWarrant"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FairValuePerWarrant" xlink:to="lab_meso_FairValuePerWarrant" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyDomain_019f3528-b026-7a4a-b6fa-cfe155d68f62_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</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_meso_DescriptionOfAccountingPolicyForInvestmentsAndOtherFinancialAssetsExplanatoryPolicyTextBlock_019f3528-b026-7d67-8be3-860807a051c6_terseLabel_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForInvestmentsAndOtherFinancialAssetsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments and other financial assets</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForInvestmentsAndOtherFinancialAssetsExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForInvestmentsAndOtherFinancialAssetsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Investments And Other Financial Assets Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForInvestmentsAndOtherFinancialAssetsExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForInvestmentsAndOtherFinancialAssetsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description of accounting policy for investments and other financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DescriptionOfAccountingPolicyForInvestmentsAndOtherFinancialAssetsExplanatoryPolicyTextBlock" xlink:href="meso-20260630.xsd#meso_DescriptionOfAccountingPolicyForInvestmentsAndOtherFinancialAssetsExplanatoryPolicyTextBlock"/>
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    <link:label id="lab_meso_DisclosureOfParentEntityFinancialInformationLineItems_label_en-US" xlink:label="lab_meso_DisclosureOfParentEntityFinancialInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Parent Entity Financial Information [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfParentEntityFinancialInformationLineItems_documentation_en-US" xlink:label="lab_meso_DisclosureOfParentEntityFinancialInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Parent entity financial information.</link:label>
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    <link:label id="lab_ifrs-full_CashAndCashEquivalentsAbstract_019f3528-b026-7248-9dc3-2b6216a30ee3_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalentsAbstract" 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_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"/>
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    <link:label id="lab_meso_SeriesFiftyEightMember_019f3528-b026-70cb-b707-aaace13a0dba_terseLabel_en-US" xlink:label="lab_meso_SeriesFiftyEightMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">58</link:label>
    <link:label id="lab_meso_SeriesFiftyEightMember_label_en-US" xlink:label="lab_meso_SeriesFiftyEightMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Fifty Eight [Member]</link:label>
    <link:label id="lab_meso_SeriesFiftyEightMember_documentation_en-US" xlink:label="lab_meso_SeriesFiftyEightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 58.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFiftyEightMember" xlink:href="meso-20260630.xsd#meso_SeriesFiftyEightMember"/>
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    <link:label id="lab_meso_TradeAndOtherReceivablesMember_019f3528-b025-7367-82fa-634f868e415f_terseLabel_en-US" xlink:label="lab_meso_TradeAndOtherReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other receivables</link:label>
    <link:label id="lab_meso_TradeAndOtherReceivablesMember_label_en-US" xlink:label="lab_meso_TradeAndOtherReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade And Other Receivables [Member]</link:label>
    <link:label id="lab_meso_TradeAndOtherReceivablesMember_documentation_en-US" xlink:label="lab_meso_TradeAndOtherReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade and other receivables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TradeAndOtherReceivablesMember" xlink:href="meso-20260630.xsd#meso_TradeAndOtherReceivablesMember"/>
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    <link:label id="lab_ifrs-full_SalesChannelsDomain_019f3528-af4f-7158-9641-5aa9627b1b91_terseLabel_en-US" xlink:label="lab_ifrs-full_SalesChannelsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales channels [domain]</link:label>
    <link:label id="lab_ifrs-full_SalesChannelsDomain_label_en-US" xlink:label="lab_ifrs-full_SalesChannelsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales channels [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SalesChannelsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesChannelsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesChannelsDomain" xlink:to="lab_ifrs-full_SalesChannelsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_019f3528-af4f-7b4f-b497-1ed6adfeb94e_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other sundry items</link:label>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other tax effects for reconciliation between accounting profit and tax expense (income)</link:label>
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    <link:label id="lab_meso_DisclosureOfCarryingValueOfInProcessResearchAndDevelopmentAcquiredByProductExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfCarryingValueOfInProcessResearchAndDevelopmentAcquiredByProductExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Carrying Value Of In Process Research And Development Acquired By Product Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfCarryingValueOfInProcessResearchAndDevelopmentAcquiredByProductExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfCarryingValueOfInProcessResearchAndDevelopmentAcquiredByProductExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of carrying value of in process research and development acquired by product.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfCarryingValueOfInProcessResearchAndDevelopmentAcquiredByProductExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfCarryingValueOfInProcessResearchAndDevelopmentAcquiredByProductExplanatoryTableTextBlock"/>
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    <link:label id="lab_meso_ClinicalManufacturingRegulatoryAndReimbursementApprovalMember_019f3528-b14c-7d2c-a218-294943fe2813_terseLabel_en-US" xlink:label="lab_meso_ClinicalManufacturingRegulatoryAndReimbursementApprovalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Clinical, manufacturing, regulatory and reimbursement approval</link:label>
    <link:label id="lab_meso_ClinicalManufacturingRegulatoryAndReimbursementApprovalMember_label_en-US" xlink:label="lab_meso_ClinicalManufacturingRegulatoryAndReimbursementApprovalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Clinical Manufacturing Regulatory And Reimbursement Approval [Member]</link:label>
    <link:label id="lab_meso_ClinicalManufacturingRegulatoryAndReimbursementApprovalMember_documentation_en-US" xlink:label="lab_meso_ClinicalManufacturingRegulatoryAndReimbursementApprovalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Clinical, manufacturing, regulatory and reimbursement approval.</link:label>
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    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_019f3528-b026-7d3b-ad54-7788c7cb634b_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">Schedule of Right-of-Use Assets</link:label>
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    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_019f3528-b0c3-7343-89e7-9ee42ebfafa2_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"/>
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    <link:label id="lab_meso_DefinedContributionSuperannuationExpenses_019f3528-b0c3-7840-8d05-80ccc2484316_negatedLabel_en-US" xlink:label="lab_meso_DefinedContributionSuperannuationExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Defined contribution superannuation expenses</link:label>
    <link:label id="lab_meso_DefinedContributionSuperannuationExpenses_label_en-US" xlink:label="lab_meso_DefinedContributionSuperannuationExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Superannuation Expenses</link:label>
    <link:label id="lab_meso_DefinedContributionSuperannuationExpenses_documentation_en-US" xlink:label="lab_meso_DefinedContributionSuperannuationExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Defined contribution superannuation expenses.</link:label>
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    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_019f3528-b14c-74e5-a04a-79096fdd85d9_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 assets</link:label>
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    <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>
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    <link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_019f3528-b0c3-7ea2-8146-8f9069375aad_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of comprehensive income [abstract]</link:label>
    <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>
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    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_019f3528-b026-7173-a238-2da02edb5028_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_meso_InProcessResearchAndDevelopmentRecognized_019f3528-af4f-71e9-8cad-007d6d301575_terseLabel_en-US" xlink:label="lab_meso_InProcessResearchAndDevelopmentRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">In process research and development recognized</link:label>
    <link:label id="lab_meso_InProcessResearchAndDevelopmentRecognized_label_en-US" xlink:label="lab_meso_InProcessResearchAndDevelopmentRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">In Process Research And Development Recognized</link:label>
    <link:label id="lab_meso_InProcessResearchAndDevelopmentRecognized_documentation_en-US" xlink:label="lab_meso_InProcessResearchAndDevelopmentRecognized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">In process research and development recognized.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_InProcessResearchAndDevelopmentRecognized" xlink:href="meso-20260630.xsd#meso_InProcessResearchAndDevelopmentRecognized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_InProcessResearchAndDevelopmentRecognized" xlink:to="lab_meso_InProcessResearchAndDevelopmentRecognized" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredTaxAssetsAttributableToTemporaryDifferencesFromTaxLosses_019f3528-b0c3-7d75-80f5-17bc7afe32a0_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetsAttributableToTemporaryDifferencesFromTaxLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax losses</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsAttributableToTemporaryDifferencesFromTaxLosses_label_en-US" xlink:label="lab_meso_DeferredTaxAssetsAttributableToTemporaryDifferencesFromTaxLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Attributable To Temporary Differences From Tax Losses</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsAttributableToTemporaryDifferencesFromTaxLosses_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetsAttributableToTemporaryDifferencesFromTaxLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax assets attributable to temporary differences from tax losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetsAttributableToTemporaryDifferencesFromTaxLosses" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetsAttributableToTemporaryDifferencesFromTaxLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetsAttributableToTemporaryDifferencesFromTaxLosses" xlink:to="lab_meso_DeferredTaxAssetsAttributableToTemporaryDifferencesFromTaxLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_019f3528-b026-74a3-a343-71a29b0eca52_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic - losses per share (in USD per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_019f3528-b026-7ed3-94fc-f3f4540280a7_verboseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">From continuing operations attributable to the ordinary equity holders of the company (in USD per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share from continuing operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShareFromContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:to="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ManufacturingServiceAgreementMember_019f3528-b026-7954-b9e3-9a7c70554e63_terseLabel_en-US" xlink:label="lab_meso_ManufacturingServiceAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Manufacturing service agreement</link:label>
    <link:label id="lab_meso_ManufacturingServiceAgreementMember_label_en-US" xlink:label="lab_meso_ManufacturingServiceAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturing Service Agreement [Member]</link:label>
    <link:label id="lab_meso_ManufacturingServiceAgreementMember_documentation_en-US" xlink:label="lab_meso_ManufacturingServiceAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Manufacturing service agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ManufacturingServiceAgreementMember" xlink:href="meso-20260630.xsd#meso_ManufacturingServiceAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ManufacturingServiceAgreementMember" xlink:to="lab_meso_ManufacturingServiceAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OtherSalesRelatedDeductionsAdjustmentMember_01a0172a-3583-732b-8160-5bf03abe5387_terseLabel_en-US" xlink:label="lab_meso_OtherSalesRelatedDeductionsAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other sales-related deductions</link:label>
    <link:label id="lab_meso_OtherSalesRelatedDeductionsAdjustmentMember_label_en-US" xlink:label="lab_meso_OtherSalesRelatedDeductionsAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Sales-Related Deductions, Adjustment [Member]</link:label>
    <link:label id="lab_meso_OtherSalesRelatedDeductionsAdjustmentMember_documentation_en-US" xlink:label="lab_meso_OtherSalesRelatedDeductionsAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Sales-Related Deductions, Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherSalesRelatedDeductionsAdjustmentMember" xlink:href="meso-20260630.xsd#meso_OtherSalesRelatedDeductionsAdjustmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OtherSalesRelatedDeductionsAdjustmentMember" xlink:to="lab_meso_OtherSalesRelatedDeductionsAdjustmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromGovernmentGrants_019f3528-b026-7dac-872b-1949b104af49_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government grant revenue</link:label>
    <link:label id="lab_ifrs-full_RevenueFromGovernmentGrants_label_en-US" xlink:label="lab_ifrs-full_RevenueFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income from government grants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromGovernmentGrants" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromGovernmentGrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromGovernmentGrants" xlink:to="lab_ifrs-full_RevenueFromGovernmentGrants" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SharesAvailableForIssuanceUnderIssuancePlanShares_019f3528-b026-7071-94da-d58778a8c7cf_terseLabel_en-US" xlink:label="lab_meso_SharesAvailableForIssuanceUnderIssuancePlanShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement of shares under a share placement agreement (in shares)</link:label>
    <link:label id="lab_meso_SharesAvailableForIssuanceUnderIssuancePlanShares_label_en-US" xlink:label="lab_meso_SharesAvailableForIssuanceUnderIssuancePlanShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Available For Issuance Under Issuance Plan, Shares</link:label>
    <link:label id="lab_meso_SharesAvailableForIssuanceUnderIssuancePlanShares_documentation_en-US" xlink:label="lab_meso_SharesAvailableForIssuanceUnderIssuancePlanShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares available for issuance under issuance plan.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SharesAvailableForIssuanceUnderIssuancePlanShares" xlink:href="meso-20260630.xsd#meso_SharesAvailableForIssuanceUnderIssuancePlanShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SharesAvailableForIssuanceUnderIssuancePlanShares" xlink:to="lab_meso_SharesAvailableForIssuanceUnderIssuancePlanShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract_019f3528-b026-7743-a662-02ccc2137446_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">Deferred tax assets not brought to account</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_IntangibleAssetsUnderDevelopmentMember_019f3528-b14c-7bca-8cdc-5a96dc718cac_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsUnderDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">In-process research and development acquired</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsUnderDevelopmentMember_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsUnderDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets under development [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsUnderDevelopmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsUnderDevelopmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsUnderDevelopmentMember" xlink:to="lab_ifrs-full_IntangibleAssetsUnderDevelopmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfLiabilitiesMeasuredAtFairValue_019f3528-b026-7579-a02b-819fe56b14bf_terseLabel_en-US" xlink:label="lab_meso_PercentageOfLiabilitiesMeasuredAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of liabilities measured at fair value</link:label>
    <link:label id="lab_meso_PercentageOfLiabilitiesMeasuredAtFairValue_label_en-US" xlink:label="lab_meso_PercentageOfLiabilitiesMeasuredAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Liabilities Measured At Fair Value</link:label>
    <link:label id="lab_meso_PercentageOfLiabilitiesMeasuredAtFairValue_documentation_en-US" xlink:label="lab_meso_PercentageOfLiabilitiesMeasuredAtFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of liabilities measured at fair value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfLiabilitiesMeasuredAtFairValue" xlink:href="meso-20260630.xsd#meso_PercentageOfLiabilitiesMeasuredAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfLiabilitiesMeasuredAtFairValue" xlink:to="lab_meso_PercentageOfLiabilitiesMeasuredAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners_019f3528-af4f-79f6-a016-c3fdcf02829f_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contributions of equity net of transaction costs</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase through other contributions by owners, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_GainsLossesOnRemeasurementOfContingentConsideration_019f3528-b026-73f8-9592-b70fefb9a91b_negatedTerseLabel_en-US" xlink:label="lab_meso_GainsLossesOnRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of contingent consideration</link:label>
    <link:label id="lab_meso_GainsLossesOnRemeasurementOfContingentConsideration_019f3528-b026-74a3-82e9-8f8d79428a74_terseLabel_en-US" xlink:label="lab_meso_GainsLossesOnRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement</link:label>
    <link:label id="lab_meso_GainsLossesOnRemeasurementOfContingentConsideration_label_en-US" xlink:label="lab_meso_GainsLossesOnRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">(Gains) Losses On Remeasurement Of Contingent Consideration</link:label>
    <link:label id="lab_meso_GainsLossesOnRemeasurementOfContingentConsideration_documentation_en-US" xlink:label="lab_meso_GainsLossesOnRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loss (gain) on remeasurement of contingent consideration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_GainsLossesOnRemeasurementOfContingentConsideration" xlink:href="meso-20260630.xsd#meso_GainsLossesOnRemeasurementOfContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_GainsLossesOnRemeasurementOfContingentConsideration" xlink:to="lab_meso_GainsLossesOnRemeasurementOfContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FinanceCostsGainsLossOnRemeasurementOfBorrowingArrangements_019f3528-b0c3-7342-8b64-d94a2dec108d_terseLabel_en-US" xlink:label="lab_meso_FinanceCostsGainsLossOnRemeasurementOfBorrowingArrangements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of borrowing arrangements within finance gains (loss)</link:label>
    <link:label id="lab_meso_FinanceCostsGainsLossOnRemeasurementOfBorrowingArrangements_label_en-US" xlink:label="lab_meso_FinanceCostsGainsLossOnRemeasurementOfBorrowingArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Costs Gains (Loss) On Remeasurement Of Borrowing Arrangements</link:label>
    <link:label id="lab_meso_FinanceCostsGainsLossOnRemeasurementOfBorrowingArrangements_documentation_en-US" xlink:label="lab_meso_FinanceCostsGainsLossOnRemeasurementOfBorrowingArrangements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finance costs gains (loss) on remeasurement of borrowing arrangements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FinanceCostsGainsLossOnRemeasurementOfBorrowingArrangements" xlink:href="meso-20260630.xsd#meso_FinanceCostsGainsLossOnRemeasurementOfBorrowingArrangements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FinanceCostsGainsLossOnRemeasurementOfBorrowingArrangements" xlink:to="lab_meso_FinanceCostsGainsLossOnRemeasurementOfBorrowingArrangements" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentPrepayments_019f3528-b0c3-7476-8463-4571ab87b589_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentPrepayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepayments</link:label>
    <link:label id="lab_ifrs-full_CurrentPrepayments_label_en-US" xlink:label="lab_ifrs-full_CurrentPrepayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current prepayments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentPrepayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentPrepayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentPrepayments" xlink:to="lab_ifrs-full_CurrentPrepayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_019f3528-b0c3-7e05-9255-66923f04a1b1_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <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_meso_MilestoneRevenueInRelationToPatentLicenseAgreement_019f3528-b026-781c-bdcc-54c0c20e92ae_terseLabel_en-US" xlink:label="lab_meso_MilestoneRevenueInRelationToPatentLicenseAgreement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Milestone revenue in relation to patent license agreement</link:label>
    <link:label id="lab_meso_MilestoneRevenueInRelationToPatentLicenseAgreement_label_en-US" xlink:label="lab_meso_MilestoneRevenueInRelationToPatentLicenseAgreement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Milestone Revenue In Relation To Patent License Agreement</link:label>
    <link:label id="lab_meso_MilestoneRevenueInRelationToPatentLicenseAgreement_documentation_en-US" xlink:label="lab_meso_MilestoneRevenueInRelationToPatentLicenseAgreement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Milestone revenue in relation to patent license agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MilestoneRevenueInRelationToPatentLicenseAgreement" xlink:href="meso-20260630.xsd#meso_MilestoneRevenueInRelationToPatentLicenseAgreement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MilestoneRevenueInRelationToPatentLicenseAgreement" xlink:to="lab_meso_MilestoneRevenueInRelationToPatentLicenseAgreement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_019f3528-b0c3-7ec9-9437-a23a014d831a_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 and expenses</link:label>
    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_019f3528-b0c3-7fa5-bcfd-51e1d999dc7d_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other operating income and expenses</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_019f3528-af4f-7b4a-9001-3268571c7b30_terseLabel_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <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_meso_CurrentProvisionsForShortTermIncentives_019f3528-b026-73ee-b9e7-99c4a7677c75_terseLabel_en-US" xlink:label="lab_meso_CurrentProvisionsForShortTermIncentives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current provisions for short term incentives</link:label>
    <link:label id="lab_meso_CurrentProvisionsForShortTermIncentives_label_en-US" xlink:label="lab_meso_CurrentProvisionsForShortTermIncentives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Provisions For Short Term Incentives</link:label>
    <link:label id="lab_meso_CurrentProvisionsForShortTermIncentives_documentation_en-US" xlink:label="lab_meso_CurrentProvisionsForShortTermIncentives" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Provisions For Short Term Incentives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CurrentProvisionsForShortTermIncentives" xlink:href="meso-20260630.xsd#meso_CurrentProvisionsForShortTermIncentives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CurrentProvisionsForShortTermIncentives" xlink:to="lab_meso_CurrentProvisionsForShortTermIncentives" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CoPayAssistanceAdjustmentMember_01a0172a-84bf-7e8c-8fb2-e967e7f49105_terseLabel_en-US" xlink:label="lab_meso_CoPayAssistanceAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Co-pay assistance</link:label>
    <link:label id="lab_meso_CoPayAssistanceAdjustmentMember_label_en-US" xlink:label="lab_meso_CoPayAssistanceAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Co-Pay Assistance, Adjustment [Member]</link:label>
    <link:label id="lab_meso_CoPayAssistanceAdjustmentMember_documentation_en-US" xlink:label="lab_meso_CoPayAssistanceAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Co-Pay Assistance, Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CoPayAssistanceAdjustmentMember" xlink:href="meso-20260630.xsd#meso_CoPayAssistanceAdjustmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CoPayAssistanceAdjustmentMember" xlink:to="lab_meso_CoPayAssistanceAdjustmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesTable_019f3528-b0c3-7fe5-8dbb-d6194f542503_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Assets And Liabilities [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesTable_label_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Assets And Liabilities [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesTable_documentation_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets and liabilities table.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfFinancialAssetsAndLiabilitiesTable" xlink:href="meso-20260630.xsd#meso_DisclosureOfFinancialAssetsAndLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfFinancialAssetsAndLiabilitiesTable" xlink:to="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyFourBMember_019f3528-b026-756a-8a34-68bc58b97e44_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyFourBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">74b</link:label>
    <link:label id="lab_meso_SeriesSeventyFourBMember_label_en-US" xlink:label="lab_meso_SeriesSeventyFourBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Four B [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyFourBMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyFourBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 74b.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyFourBMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyFourBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyFourBMember" xlink:to="lab_meso_SeriesSeventyFourBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_019f3528-b0c3-758d-9ed7-1d2c8eae3680_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyNineAMember_019f3528-b0c3-7f31-81fc-40ed96c525d9_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyNineAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">79a</link:label>
    <link:label id="lab_meso_SeriesSeventyNineAMember_label_en-US" xlink:label="lab_meso_SeriesSeventyNineAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Nine A [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyNineAMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyNineAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Seventy Nine A</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyNineAMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyNineAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyNineAMember" xlink:to="lab_meso_SeriesSeventyNineAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfQuantitativeInformationAboutSignificantUnobservableInputsUsedInFairValueMeasurementsExplanatoryTableTextBlock_019f3528-b025-7ffd-8e57-f938e619037e_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfQuantitativeInformationAboutSignificantUnobservableInputsUsedInFairValueMeasurementsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Quantitative Information About the Significant Unobservable Inputs Used in Level 3 Fair Value Measurements</link:label>
    <link:label id="lab_meso_DisclosureOfQuantitativeInformationAboutSignificantUnobservableInputsUsedInFairValueMeasurementsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfQuantitativeInformationAboutSignificantUnobservableInputsUsedInFairValueMeasurementsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Quantitative Information About Significant Unobservable Inputs Used In Fair Value Measurements Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfQuantitativeInformationAboutSignificantUnobservableInputsUsedInFairValueMeasurementsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfQuantitativeInformationAboutSignificantUnobservableInputsUsedInFairValueMeasurementsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about significant unobservable inputs used in fair value measurements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfQuantitativeInformationAboutSignificantUnobservableInputsUsedInFairValueMeasurementsExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfQuantitativeInformationAboutSignificantUnobservableInputsUsedInFairValueMeasurementsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfQuantitativeInformationAboutSignificantUnobservableInputsUsedInFairValueMeasurementsExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfQuantitativeInformationAboutSignificantUnobservableInputsUsedInFairValueMeasurementsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_019f3528-b14c-7fa8-934c-5f66edcaec2f_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_ifrs-full_TradeReceivables_019f3528-b0c3-7fa2-b48c-be869727b300_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade receivables, net</link:label>
    <link:label id="lab_ifrs-full_TradeReceivables_label_en-US" xlink:label="lab_ifrs-full_TradeReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeReceivables" xlink:to="lab_ifrs-full_TradeReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ManufacturingProductionAndDevelopmentExpense_019f3528-b0c3-7eb7-a0a6-4ae2918cb409_negatedTerseLabel_en-US" xlink:label="lab_meso_ManufacturingProductionAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Manufacturing production &amp; development</link:label>
    <link:label id="lab_meso_ManufacturingProductionAndDevelopmentExpense_label_en-US" xlink:label="lab_meso_ManufacturingProductionAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturing Production And Development Expense</link:label>
    <link:label id="lab_meso_ManufacturingProductionAndDevelopmentExpense_documentation_en-US" xlink:label="lab_meso_ManufacturingProductionAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expenditure directly attributable to manufacturing production and development.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ManufacturingProductionAndDevelopmentExpense" xlink:href="meso-20260630.xsd#meso_ManufacturingProductionAndDevelopmentExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ManufacturingProductionAndDevelopmentExpense" xlink:to="lab_meso_ManufacturingProductionAndDevelopmentExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFiftyMember_019f3528-b14c-7715-9648-10165b0a86d3_terseLabel_en-US" xlink:label="lab_meso_SeriesFiftyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">50</link:label>
    <link:label id="lab_meso_SeriesFiftyMember_label_en-US" xlink:label="lab_meso_SeriesFiftyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Fifty [Member]</link:label>
    <link:label id="lab_meso_SeriesFiftyMember_documentation_en-US" xlink:label="lab_meso_SeriesFiftyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 50.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFiftyMember" xlink:href="meso-20260630.xsd#meso_SeriesFiftyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFiftyMember" xlink:to="lab_meso_SeriesFiftyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityShellCompany_019f3528-b0c3-75e7-b525-64b5068ceafc_terseLabel_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Shell Company</link:label>
    <link:label id="lab_dei_EntityShellCompany_label_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Shell Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityShellCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany" xlink:to="lab_dei_EntityShellCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndTenCMember_019fd8b1-9311-7b4f-b818-fa4a16e2aa13_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">110c</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTenCMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Ten C [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTenCMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Ten C</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndTenCMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndTenCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndTenCMember" xlink:to="lab_meso_SeriesOneHundredAndTenCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesEightySixMember_019f3528-b0c3-7cad-b0eb-5242afed71a2_terseLabel_en-US" xlink:label="lab_meso_SeriesEightySixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">86</link:label>
    <link:label id="lab_meso_SeriesEightySixMember_label_en-US" xlink:label="lab_meso_SeriesEightySixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty Six [Member]</link:label>
    <link:label id="lab_meso_SeriesEightySixMember_documentation_en-US" xlink:label="lab_meso_SeriesEightySixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty Six</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightySixMember" xlink:href="meso-20260630.xsd#meso_SeriesEightySixMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightySixMember" xlink:to="lab_meso_SeriesEightySixMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions_01a019d9-800c-7253-8c44-9a87a983cc45_terseLabel_en-US" xlink:label="lab_ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitment fee to related party</link:label>
    <link:label id="lab_ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions_label_en-US" xlink:label="lab_ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments made by entity, related party transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions" xlink:to="lab_ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures_019f3528-b026-717b-a196-f66b7f5ecb5d_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Potential tax benefit at local tax rates</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements for which deferred tax liabilities have not been recognised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures"/>
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    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_019f3528-b026-7749-b84a-899c26ffd0c8_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) financing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesDomain_019f3528-b14c-775a-92ef-a4178f23102b_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_meso_NumberOfAcquisition_019f3528-b026-7cc8-ac40-075d8a19c360_terseLabel_en-US" xlink:label="lab_meso_NumberOfAcquisition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of acquisitions</link:label>
    <link:label id="lab_meso_NumberOfAcquisition_label_en-US" xlink:label="lab_meso_NumberOfAcquisition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Acquisition</link:label>
    <link:label id="lab_meso_NumberOfAcquisition_documentation_en-US" xlink:label="lab_meso_NumberOfAcquisition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Acquisition</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfAcquisition" xlink:href="meso-20260630.xsd#meso_NumberOfAcquisition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfAcquisition" xlink:to="lab_meso_NumberOfAcquisition" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutWarrantLiabilityExplanatoryTableTextBlock_019f3528-b0c3-7ef3-9f30-6007a1bf147d_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutWarrantLiabilityExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Warrant Liability</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutWarrantLiabilityExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutWarrantLiabilityExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Warrant Liability Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutWarrantLiabilityExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutWarrantLiabilityExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about warrant liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfDetailedInformationAboutWarrantLiabilityExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfDetailedInformationAboutWarrantLiabilityExplanatoryTableTextBlock"/>
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    <link:label id="lab_meso_WarrantLiabilityForeignCurrencyTranslationReserve_019fd764-f892-7ec4-953f-c8dff929a24c_terseLabel_en-US" xlink:label="lab_meso_WarrantLiabilityForeignCurrencyTranslationReserve" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency translation reserve</link:label>
    <link:label id="lab_meso_WarrantLiabilityForeignCurrencyTranslationReserve_label_en-US" xlink:label="lab_meso_WarrantLiabilityForeignCurrencyTranslationReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrant Liability, Foreign Currency Translation Reserve</link:label>
    <link:label id="lab_meso_WarrantLiabilityForeignCurrencyTranslationReserve_documentation_en-US" xlink:label="lab_meso_WarrantLiabilityForeignCurrencyTranslationReserve" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrant Liability, Foreign Currency Translation Reserve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WarrantLiabilityForeignCurrencyTranslationReserve" xlink:href="meso-20260630.xsd#meso_WarrantLiabilityForeignCurrencyTranslationReserve"/>
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    <link:label id="lab_ifrs-full_ComprehensiveIncome_019f3528-b026-74aa-977b-dec4254d85bb_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 (loss)/income for the period</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_DilutedEarningsLossPerShareFromContinuingOperations_019f3528-b026-76bc-9a71-8614ba86983c_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted - losses per share (in USD per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations_019f3528-b026-76fa-ab2d-227f4caa88fa_verboseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">From continuing operations attributable to the ordinary equity holders of the company (in USD per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share from continuing operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations"/>
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    <link:label id="lab_meso_OtherSellingGeneralAndAdministrationExpense_01a0366c-7b9b-7a62-b2cf-e3e17a4460f4_negatedTotalLabel_en-US" xlink:label="lab_meso_OtherSellingGeneralAndAdministrationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total Other Selling, general and administration</link:label>
    <link:label id="lab_meso_OtherSellingGeneralAndAdministrationExpense_label_en-US" xlink:label="lab_meso_OtherSellingGeneralAndAdministrationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Selling, General And Administration Expense</link:label>
    <link:label id="lab_meso_OtherSellingGeneralAndAdministrationExpense_documentation_en-US" xlink:label="lab_meso_OtherSellingGeneralAndAdministrationExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Selling, General And Administration Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherSellingGeneralAndAdministrationExpense" xlink:href="meso-20260630.xsd#meso_OtherSellingGeneralAndAdministrationExpense"/>
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    <link:label id="lab_meso_SeriesOneHundredAndElevenMember_019fd8b2-9a55-7f52-8b5a-f7ec14a9cb50_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndElevenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">111</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndElevenMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndElevenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Eleven [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndElevenMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndElevenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Eleven</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndElevenMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndElevenMember"/>
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    <link:label id="lab_meso_OtherNonCashCostOfFinanceClassifiedAsFinancingActivities_01a00063-4d7d-71a1-92ad-b44994b98d25_terseLabel_en-US" xlink:label="lab_meso_OtherNonCashCostOfFinanceClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other costs of finance classified as financing activities</link:label>
    <link:label id="lab_meso_OtherNonCashCostOfFinanceClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_meso_OtherNonCashCostOfFinanceClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Non-Cash Cost Of Finance Classified As Financing Activities</link:label>
    <link:label id="lab_meso_OtherNonCashCostOfFinanceClassifiedAsFinancingActivities_documentation_en-US" xlink:label="lab_meso_OtherNonCashCostOfFinanceClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Non-Cash Cost Of Finance Classified As Financing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherNonCashCostOfFinanceClassifiedAsFinancingActivities" xlink:href="meso-20260630.xsd#meso_OtherNonCashCostOfFinanceClassifiedAsFinancingActivities"/>
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    <link:label id="lab_ifrs-full_WorkInProgress_019f3528-b14c-7b45-842e-c604692701df_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">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_019f3528-b0c3-7878-a743-7bf73c7e0e44_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">Basis of preparation</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"/>
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    <link:label id="lab_meso_AdjustmentForLossOnDerecognitionOfSublease_01a00069-c6c0-7076-bc1d-a00e1ff12892_negatedTerseLabel_en-US" xlink:label="lab_meso_AdjustmentForLossOnDerecognitionOfSublease" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loss on derecognition of sublease</link:label>
    <link:label id="lab_meso_AdjustmentForLossOnDerecognitionOfSublease_label_en-US" xlink:label="lab_meso_AdjustmentForLossOnDerecognitionOfSublease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Loss On Derecognition Of Sublease</link:label>
    <link:label id="lab_meso_AdjustmentForLossOnDerecognitionOfSublease_documentation_en-US" xlink:label="lab_meso_AdjustmentForLossOnDerecognitionOfSublease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment For Loss On Derecognition Of Sublease</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AdjustmentForLossOnDerecognitionOfSublease" xlink:href="meso-20260630.xsd#meso_AdjustmentForLossOnDerecognitionOfSublease"/>
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    <link:label id="lab_ifrs-full_RegulatoryEnvironmentsDomain_019f3528-b0c3-79e1-b310-4bc552affd13_terseLabel_en-US" xlink:label="lab_ifrs-full_RegulatoryEnvironmentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory environments</link:label>
    <link:label id="lab_ifrs-full_RegulatoryEnvironmentsDomain_label_en-US" xlink:label="lab_ifrs-full_RegulatoryEnvironmentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory environments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RegulatoryEnvironmentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RegulatoryEnvironmentsDomain"/>
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    <link:label id="lab_dei_DocumentFiscalPeriodFocus_019f3528-b025-77f6-b0ba-82831c7ad938_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BalancesWithBanks_019f3528-b025-730b-a085-9e06ea4d7b13_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 at bank</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"/>
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    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory_019f3528-b026-76ef-a298-2d8792392c6e_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goods and services tax ("GST")</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for taxes other than income tax [text block]</link:label>
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    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutNetDebtExplanatoryTableTextBlock_019f3528-b14c-717c-8c86-1378d30d47a3_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutNetDebtExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Net Debt</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutNetDebtExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutNetDebtExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Net Debt Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutNetDebtExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutNetDebtExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about net debt.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfDetailedInformationAboutNetDebtExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfDetailedInformationAboutNetDebtExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfDetailedInformationAboutNetDebtExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfDetailedInformationAboutNetDebtExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfNonFinancialAssetsAndNonFinancialLiabilitiesExplanatoryTextBlock_019f3528-b0c3-7837-bdcf-488e2c7120c3_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfNonFinancialAssetsAndNonFinancialLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-financial assets and liabilities</link:label>
    <link:label id="lab_meso_DisclosureOfNonFinancialAssetsAndNonFinancialLiabilitiesExplanatoryTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfNonFinancialAssetsAndNonFinancialLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Non Financial Assets And Non Financial Liabilities Explanatory [Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfNonFinancialAssetsAndNonFinancialLiabilitiesExplanatoryTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfNonFinancialAssetsAndNonFinancialLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of non financial assets and non financial liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfNonFinancialAssetsAndNonFinancialLiabilitiesExplanatoryTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfNonFinancialAssetsAndNonFinancialLiabilitiesExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfNonFinancialAssetsAndNonFinancialLiabilitiesExplanatoryTextBlock" xlink:to="lab_meso_DisclosureOfNonFinancialAssetsAndNonFinancialLiabilitiesExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ExpectedTermOfOtherEquityInstrumentsGranted_01a035f2-8088-7435-9353-541888f21107_terseLabel_en-US" xlink:label="lab_meso_ExpectedTermOfOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Term</link:label>
    <link:label id="lab_meso_ExpectedTermOfOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_meso_ExpectedTermOfOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Term Of Other Equity Instruments Granted</link:label>
    <link:label id="lab_meso_ExpectedTermOfOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_meso_ExpectedTermOfOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Term Of Other Equity Instruments Granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpectedTermOfOtherEquityInstrumentsGranted" xlink:href="meso-20260630.xsd#meso_ExpectedTermOfOtherEquityInstrumentsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpectedTermOfOtherEquityInstrumentsGranted" xlink:to="lab_meso_ExpectedTermOfOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Assets_019f3528-b0c3-7472-a547-9d08c3ede95c_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_019f3528-b0c3-7d24-9545-cb98d9259276_terseLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" 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_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_019f3528-b14c-787d-87de-7a1e05e02422_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_019f3528-b14c-7f06-8931-0d6d719dbc47_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_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_019f3528-b025-7fd1-abef-eb7a648cffba_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current tax (benefit)/expense</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax expense (income) and adjustments for current tax of prior periods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CreditRiskMember_019f3528-b026-73dd-84b5-ebdb670a37c5_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</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_meso_TaxEffectOfContingentConsideration_019f3528-b14c-74f0-8833-7f1ef15b106b_terseLabel_en-US" xlink:label="lab_meso_TaxEffectOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_meso_TaxEffectOfContingentConsideration_label_en-US" xlink:label="lab_meso_TaxEffectOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Contingent Consideration</link:label>
    <link:label id="lab_meso_TaxEffectOfContingentConsideration_documentation_en-US" xlink:label="lab_meso_TaxEffectOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax contingent consideration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TaxEffectOfContingentConsideration" xlink:href="meso-20260630.xsd#meso_TaxEffectOfContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TaxEffectOfContingentConsideration" xlink:to="lab_meso_TaxEffectOfContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_TradingSymbol_019f3528-b026-7b93-8a09-babaad985e35_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading Symbol</link:label>
    <link:label id="lab_dei_TradingSymbol_label_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Symbol</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndNetMovementInRelatedDeferredTax_019f3528-b026-7648-912f-b2ed15c997dd_terseLabel_en-US" xlink:label="lab_ifrs-full_NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndNetMovementInRelatedDeferredTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">- profit or loss</link:label>
    <link:label id="lab_ifrs-full_NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndNetMovementInRelatedDeferredTax_label_en-US" xlink:label="lab_ifrs-full_NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndNetMovementInRelatedDeferredTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net movement in regulatory deferral account balances related to profit or loss and net movement in related deferred tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndNetMovementInRelatedDeferredTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndNetMovementInRelatedDeferredTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndNetMovementInRelatedDeferredTax" xlink:to="lab_ifrs-full_NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndNetMovementInRelatedDeferredTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_019f3528-b026-7b76-b02d-e9f75f622454_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_meso_DeferredConsiderationRevenueRecognized_019f3528-b026-7192-8568-f67dc720b039_negatedLabel_en-US" xlink:label="lab_meso_DeferredConsiderationRevenueRecognized" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Amount recognized as revenue during the period</link:label>
    <link:label id="lab_meso_DeferredConsiderationRevenueRecognized_label_en-US" xlink:label="lab_meso_DeferredConsiderationRevenueRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Consideration Revenue Recognized</link:label>
    <link:label id="lab_meso_DeferredConsiderationRevenueRecognized_documentation_en-US" xlink:label="lab_meso_DeferredConsiderationRevenueRecognized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred consideration revenue recognized.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredConsiderationRevenueRecognized" xlink:href="meso-20260630.xsd#meso_DeferredConsiderationRevenueRecognized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredConsiderationRevenueRecognized" xlink:to="lab_meso_DeferredConsiderationRevenueRecognized" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfSummaryOfCashFlowInformationExplanatoryTableTextBlock_019f3528-b026-7e5f-8741-27664eebb847_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfCashFlowInformationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Cash Flow Information</link:label>
    <link:label id="lab_meso_DisclosureOfSummaryOfCashFlowInformationExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfCashFlowInformationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Summary Of Cash Flow Information Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfSummaryOfCashFlowInformationExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfCashFlowInformationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of summary of cash flow information.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSummaryOfCashFlowInformationExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfSummaryOfCashFlowInformationExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfSummaryOfCashFlowInformationExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfSummaryOfCashFlowInformationExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Revenue_019f3528-b026-7065-84e2-bebee3a8bc3c_totalLabel_en-US" xlink:label="lab_ifrs-full_Revenue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total revenues</link:label>
    <link:label id="lab_ifrs-full_Revenue_label_en-US" xlink:label="lab_ifrs-full_Revenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Revenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Revenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Revenue" xlink:to="lab_ifrs-full_Revenue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseTable_019f3528-b0c3-7522-aa30-85d68c244491_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Effective Income Tax Expense [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseTable_label_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Effective Income Tax Expense [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseTable_documentation_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of effective income tax expense.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseTable" xlink:href="meso-20260630.xsd#meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseTable" xlink:to="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetySixDOneMember_019f3528-b14c-7f57-8e74-030c5fe526b3_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetySixDOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">96d</link:label>
    <link:label id="lab_meso_SeriesNinetySixDOneMember_label_en-US" xlink:label="lab_meso_SeriesNinetySixDOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Six D One [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetySixDOneMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetySixDOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Six D One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetySixDOneMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetySixDOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetySixDOneMember" xlink:to="lab_meso_SeriesNinetySixDOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCityOrTown_019f3528-b0c3-7fee-9485-d3b76530b526_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address City Or Town</link:label>
    <link:label id="lab_dei_EntityAddressCityOrTown_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_019f3528-b0c3-7510-ad30-64eb57b3d2c8_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued Capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_label_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued capital [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapitalMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapitalMember" xlink:to="lab_ifrs-full_IssuedCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShorttermBorrowings_019f6902-f268-79ab-9a93-bcb8701f41af_verboseLabel_en-US" xlink:label="lab_ifrs-full_ShorttermBorrowings" 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_ShorttermBorrowings_019f3528-b0c3-780b-8966-a6cf05b38089_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_meso_DisclosureOfContingentAssetsAndLiabilitiesAbstract_019f3528-b0c3-7194-b2f4-51957a9d2ecb_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Contingent Assets And Liabilities [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesAbstract_label_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Contingent Assets And Liabilities [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesAbstract_documentation_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfContingentAssetsAndLiabilitiesAbstract" xlink:href="meso-20260630.xsd#meso_DisclosureOfContingentAssetsAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfContingentAssetsAndLiabilitiesAbstract" xlink:to="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_019f3528-b14c-7c6c-8cf3-62dd16fa0dae_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</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_019f3528-af4f-7d3b-9084-65969ccb5c2a_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">Summary of Aggregate Compensation made to Directors and other Members of key Management Personnel</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_ifrs-full_BorrowingCostsRecognisedAsExpense_019f3528-af4f-78e2-8f7c-be2e43e2b58f_negatedLabel_en-US" xlink:label="lab_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Less: transaction costs</link:label>
    <link:label id="lab_ifrs-full_BorrowingCostsRecognisedAsExpense_label_en-US" xlink:label="lab_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing costs recognised as expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingCostsRecognisedAsExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:to="lab_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember_019f3528-b026-7fce-9b35-0ee5e0f01573_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Option Reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of gains and losses from investments in equity instruments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember" xlink:to="lab_ifrs-full_ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities_019f3528-b0c3-7c99-99fa-1b0a490da12a_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows, sub-total</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through financing cash flows, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate_019f3528-af4f-7765-91ff-a21309a2fffc_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Difference in tax rate</link:label>
    <link:label id="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate_label_en-US" xlink:label="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax rate effect from change in tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxRateEffectFromChangeInTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:to="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OtherChangesOnDebtAndLeases_019f3528-b0c3-7fc5-aa4d-2991a694e38e_terseLabel_en-US" xlink:label="lab_meso_OtherChangesOnDebtAndLeases" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Changes, sub-total</link:label>
    <link:label id="lab_meso_OtherChangesOnDebtAndLeases_019f3528-b0c3-7ce1-8940-3888d062a5b7_verboseLabel_en-US" xlink:label="lab_meso_OtherChangesOnDebtAndLeases" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other Changes, total</link:label>
    <link:label id="lab_meso_OtherChangesOnDebtAndLeases_label_en-US" xlink:label="lab_meso_OtherChangesOnDebtAndLeases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Changes On Debt And Leases</link:label>
    <link:label id="lab_meso_OtherChangesOnDebtAndLeases_documentation_en-US" xlink:label="lab_meso_OtherChangesOnDebtAndLeases" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other changes on debt and leases.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherChangesOnDebtAndLeases" xlink:href="meso-20260630.xsd#meso_OtherChangesOnDebtAndLeases"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OtherChangesOnDebtAndLeases" xlink:to="lab_meso_OtherChangesOnDebtAndLeases" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_019f3528-b0c3-7657-9085-bd03f42d75e6_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_ifrs-full_SellingGeneralAndAdministrativeExpenseMember_019f3528-b0c3-7590-8a40-fa1559c94bcd_terseLabel_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Selling, general and administration</link:label>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseMember_label_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, general and administrative expense [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SellingGeneralAndAdministrativeExpenseMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SellingGeneralAndAdministrativeExpenseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SellingGeneralAndAdministrativeExpenseMember" xlink:to="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_019f3528-b026-7a91-b3ba-51361a855aa5_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProbabilityOfDefaultAxis_019f3528-b0c3-747d-963c-014c607b73c1_terseLabel_en-US" xlink:label="lab_ifrs-full_ProbabilityOfDefaultAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probability of default [axis]</link:label>
    <link:label id="lab_ifrs-full_ProbabilityOfDefaultAxis_label_en-US" xlink:label="lab_ifrs-full_ProbabilityOfDefaultAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probability of default [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProbabilityOfDefaultAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProbabilityOfDefaultAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProbabilityOfDefaultAxis" xlink:to="lab_ifrs-full_ProbabilityOfDefaultAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredConsideration_019f3528-af4f-7c74-88d1-72133d79edad_periodStartLabel_en-US" xlink:label="lab_meso_DeferredConsideration" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance</link:label>
    <link:label id="lab_meso_DeferredConsideration_019f3528-af4f-78c5-bf35-46e0ed5b7ee7_periodEndLabel_en-US" xlink:label="lab_meso_DeferredConsideration" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">End of the period</link:label>
    <link:label id="lab_meso_DeferredConsideration_label_en-US" xlink:label="lab_meso_DeferredConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Consideration</link:label>
    <link:label id="lab_meso_DeferredConsideration_documentation_en-US" xlink:label="lab_meso_DeferredConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred consideration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredConsideration" xlink:href="meso-20260630.xsd#meso_DeferredConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredConsideration" xlink:to="lab_meso_DeferredConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortyAMember_019f3528-b0c3-72e6-8c8c-3a9e6f0cca5f_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">40a</link:label>
    <link:label id="lab_meso_SeriesFortyAMember_label_en-US" xlink:label="lab_meso_SeriesFortyAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty A [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyAMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 40a.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyAMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyAMember" xlink:to="lab_meso_SeriesFortyAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DiscountsAndDistributorFeesMember_019fd25a-41d5-7d7f-b499-a2d7c4d9e3d2_terseLabel_en-US" xlink:label="lab_meso_DiscountsAndDistributorFeesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounts and distributor fees</link:label>
    <link:label id="lab_meso_DiscountsAndDistributorFeesMember_label_en-US" xlink:label="lab_meso_DiscountsAndDistributorFeesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounts And Distributor Fees [Member]</link:label>
    <link:label id="lab_meso_DiscountsAndDistributorFeesMember_documentation_en-US" xlink:label="lab_meso_DiscountsAndDistributorFeesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discounts And Distributor Fees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DiscountsAndDistributorFeesMember" xlink:href="meso-20260630.xsd#meso_DiscountsAndDistributorFeesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DiscountsAndDistributorFeesMember" xlink:to="lab_meso_DiscountsAndDistributorFeesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory_019f3528-b14c-7eee-a65e-a3c5315c662c_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for trade and other payables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019_019f3528-af4f-76c1-8c9c-55216971cba3_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average share purchase price, Exercised No. (during the year) (in AUD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ConsultancyExpenses_019f3528-b0c3-70ba-89a5-6312eca14d36_negatedLabel_en-US" xlink:label="lab_meso_ConsultancyExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Consultancy</link:label>
    <link:label id="lab_meso_ConsultancyExpenses_label_en-US" xlink:label="lab_meso_ConsultancyExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consultancy Expenses</link:label>
    <link:label id="lab_meso_ConsultancyExpenses_documentation_en-US" xlink:label="lab_meso_ConsultancyExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expenditure directly attributable to consultancy expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ConsultancyExpenses" xlink:href="meso-20260630.xsd#meso_ConsultancyExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ConsultancyExpenses" xlink:to="lab_meso_ConsultancyExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_01a0177d-b366-77bc-a008-32b7d415a182_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassifications</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndThirteenMember_019fd8b3-afb9-7db0-b488-564f93ccb965_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndThirteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">113</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndThirteenMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndThirteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Thirteen [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndThirteenMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndThirteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Thirteen</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndThirteenMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndThirteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndThirteenMember" xlink:to="lab_meso_SeriesOneHundredAndThirteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_019f3528-b14c-71bf-b1c4-6e33781d9220_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">Tax benefit at the Australian tax rate of 30% (2025: 30%, 2024: 30%)</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_meso_SeriesSixtyFourCMember_019f3528-b026-7a20-a949-9f92a810c47c_terseLabel_en-US" xlink:label="lab_meso_SeriesSixtyFourCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">64c</link:label>
    <link:label id="lab_meso_SeriesSixtyFourCMember_label_en-US" xlink:label="lab_meso_SeriesSixtyFourCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Sixty Four C [Member]</link:label>
    <link:label id="lab_meso_SeriesSixtyFourCMember_documentation_en-US" xlink:label="lab_meso_SeriesSixtyFourCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 64c.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSixtyFourCMember" xlink:href="meso-20260630.xsd#meso_SeriesSixtyFourCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSixtyFourCMember" xlink:to="lab_meso_SeriesSixtyFourCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019_019f3528-b0c3-7fc7-ab83-29df2a936bac_terseLabel_en-US" xlink:label="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise price (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019_label_en-US" xlink:label="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exercise price of outstanding share options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExercisePriceOfOutstandingShareOptions2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:to="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAbstract_019f3528-b026-7e0d-bbb7-0c6897a9ece5_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_meso_PaymentsToSuppliersAndEmployeesInclusiveOfGoodsAndServicesTax_019f3528-af4f-70dd-966e-23851de55beb_negatedLabel_en-US" xlink:label="lab_meso_PaymentsToSuppliersAndEmployeesInclusiveOfGoodsAndServicesTax" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments to suppliers and employees (inclusive of goods and services tax)</link:label>
    <link:label id="lab_meso_PaymentsToSuppliersAndEmployeesInclusiveOfGoodsAndServicesTax_label_en-US" xlink:label="lab_meso_PaymentsToSuppliersAndEmployeesInclusiveOfGoodsAndServicesTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments To Suppliers And Employees Inclusive Of Goods And Services Tax</link:label>
    <link:label id="lab_meso_PaymentsToSuppliersAndEmployeesInclusiveOfGoodsAndServicesTax_documentation_en-US" xlink:label="lab_meso_PaymentsToSuppliersAndEmployeesInclusiveOfGoodsAndServicesTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments to suppliers and employees inclusive of goods and services tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PaymentsToSuppliersAndEmployeesInclusiveOfGoodsAndServicesTax" xlink:href="meso-20260630.xsd#meso_PaymentsToSuppliersAndEmployeesInclusiveOfGoodsAndServicesTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PaymentsToSuppliersAndEmployeesInclusiveOfGoodsAndServicesTax" xlink:to="lab_meso_PaymentsToSuppliersAndEmployeesInclusiveOfGoodsAndServicesTax" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_UnlistedEquitySecuritiesMember_019f3528-b0c3-74a6-82e3-4d725b083f0f_terseLabel_en-US" xlink:label="lab_meso_UnlistedEquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unlisted equity securities</link:label>
    <link:label id="lab_meso_UnlistedEquitySecuritiesMember_label_en-US" xlink:label="lab_meso_UnlistedEquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unlisted Equity Securities [Member]</link:label>
    <link:label id="lab_meso_UnlistedEquitySecuritiesMember_documentation_en-US" xlink:label="lab_meso_UnlistedEquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unlisted equity securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_UnlistedEquitySecuritiesMember" xlink:href="meso-20260630.xsd#meso_UnlistedEquitySecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_UnlistedEquitySecuritiesMember" xlink:to="lab_meso_UnlistedEquitySecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfKeyManagementPersonnelCompensationAbstract_019f3528-b026-74b9-8a79-45d0248ba499_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfKeyManagementPersonnelCompensationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Key Management Personnel Compensation [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfKeyManagementPersonnelCompensationAbstract_label_en-US" xlink:label="lab_meso_DisclosureOfKeyManagementPersonnelCompensationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Key Management Personnel Compensation [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfKeyManagementPersonnelCompensationAbstract_documentation_en-US" xlink:label="lab_meso_DisclosureOfKeyManagementPersonnelCompensationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of key management personnel compensation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfKeyManagementPersonnelCompensationAbstract" xlink:href="meso-20260630.xsd#meso_DisclosureOfKeyManagementPersonnelCompensationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfKeyManagementPersonnelCompensationAbstract" xlink:to="lab_meso_DisclosureOfKeyManagementPersonnelCompensationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExternalCreditGradesAxis_019f3528-af4f-75fe-b3de-e8d3a4cb9652_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_WeightedAverageSharePriceShareOptionsGranted2019_019f3528-b026-73ca-a489-8446fbd1188a_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average share purchase price, granted (in AUD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average share price, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:to="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_019f3528-b026-70a2-a2d8-c482b9fc3590_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_dei_EntityAddressPostalZipCode_019f3528-b026-78ae-b2c9-2eda20b0cd78_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address Postal Zip Code</link:label>
    <link:label id="lab_dei_EntityAddressPostalZipCode_label_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncreaseDecreaseInCurrentTax_019f3528-b026-7cd4-9fba-1870a1e16a5e_terseLabel_en-US" xlink:label="lab_meso_IncreaseDecreaseInCurrentTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax</link:label>
    <link:label id="lab_meso_IncreaseDecreaseInCurrentTax_label_en-US" xlink:label="lab_meso_IncreaseDecreaseInCurrentTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease In Current Tax</link:label>
    <link:label id="lab_meso_IncreaseDecreaseInCurrentTax_documentation_en-US" xlink:label="lab_meso_IncreaseDecreaseInCurrentTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase decrease in current tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseDecreaseInCurrentTax" xlink:href="meso-20260630.xsd#meso_IncreaseDecreaseInCurrentTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseDecreaseInCurrentTax" xlink:to="lab_meso_IncreaseDecreaseInCurrentTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsAbstract_019f3528-b026-7c84-a3a3-851e8b7c9a4e_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_meso_DisclosureOfBorrowingsDerivingPriceRiskExplanatoryTableTextBlock_019f3528-b025-7694-96da-35c9f549c29c_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfBorrowingsDerivingPriceRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Borrowing to Price Rate Changes</link:label>
    <link:label id="lab_meso_DisclosureOfBorrowingsDerivingPriceRiskExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfBorrowingsDerivingPriceRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Borrowings Deriving Price Risk Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfBorrowingsDerivingPriceRiskExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfBorrowingsDerivingPriceRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of borrowings deriving price risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfBorrowingsDerivingPriceRiskExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfBorrowingsDerivingPriceRiskExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfBorrowingsDerivingPriceRiskExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfBorrowingsDerivingPriceRiskExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityTable_019f3528-b0c3-7e9f-b8c3-ab4de1a63abb_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_AuditorsRemunerationForOtherServices_019f3528-b026-7d4a-8929-a8018f927f43_terseLabel_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationForOtherServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-audit service</link:label>
    <link:label id="lab_ifrs-full_AuditorsRemunerationForOtherServices_label_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationForOtherServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's remuneration for other services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AuditorsRemunerationForOtherServices" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemunerationForOtherServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AuditorsRemunerationForOtherServices" xlink:to="lab_ifrs-full_AuditorsRemunerationForOtherServices" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_InventoriesObsoleteStockProvision_019f3528-b026-78de-bc10-68cc568414bb_terseLabel_en-US" xlink:label="lab_meso_InventoriesObsoleteStockProvision" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories, obsolete stock</link:label>
    <link:label id="lab_meso_InventoriesObsoleteStockProvision_label_en-US" xlink:label="lab_meso_InventoriesObsoleteStockProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventories, Obsolete Stock Provision</link:label>
    <link:label id="lab_meso_InventoriesObsoleteStockProvision_documentation_en-US" xlink:label="lab_meso_InventoriesObsoleteStockProvision" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventories, Obsolete Stock Provision</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_InventoriesObsoleteStockProvision" xlink:href="meso-20260630.xsd#meso_InventoriesObsoleteStockProvision"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_InventoriesObsoleteStockProvision" xlink:to="lab_meso_InventoriesObsoleteStockProvision" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_019f3528-af4f-780b-a786-aa74df12f9af_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">Income tax benefit/(expense)</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_dei_DocumentInformationLineItems_019f3528-b14c-7c3c-bba5-cd6e9caa1f52_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:label id="lab_dei_DocumentInformationLineItems_label_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationLineItems" xlink:to="lab_dei_DocumentInformationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_019f3528-b0c3-79ca-b8ad-f8a966ded39a_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_meso_CashFlowsAdjustmentsOnDebt_019f3528-af4f-7549-8ace-10066331bb36_verboseLabel_en-US" xlink:label="lab_meso_CashFlowsAdjustmentsOnDebt" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows, borrowings</link:label>
    <link:label id="lab_meso_CashFlowsAdjustmentsOnDebt_label_en-US" xlink:label="lab_meso_CashFlowsAdjustmentsOnDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flows Adjustments On Debt</link:label>
    <link:label id="lab_meso_CashFlowsAdjustmentsOnDebt_documentation_en-US" xlink:label="lab_meso_CashFlowsAdjustmentsOnDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash flows adjustments on debt.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CashFlowsAdjustmentsOnDebt" xlink:href="meso-20260630.xsd#meso_CashFlowsAdjustmentsOnDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CashFlowsAdjustmentsOnDebt" xlink:to="lab_meso_CashFlowsAdjustmentsOnDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsForShareIssueCosts_019f3528-b026-7693-a576-36e44443e0c3_negatedLabel_en-US" xlink:label="lab_ifrs-full_PaymentsForShareIssueCosts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments for share issue costs</link:label>
    <link:label id="lab_ifrs-full_PaymentsForShareIssueCosts_label_en-US" xlink:label="lab_ifrs-full_PaymentsForShareIssueCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for share issue costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsForShareIssueCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsForShareIssueCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsForShareIssueCosts" xlink:to="lab_ifrs-full_PaymentsForShareIssueCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_Series97bMember_019f3528-b025-794c-b5d5-4899fcac38e3_terseLabel_en-US" xlink:label="lab_meso_Series97bMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">97b</link:label>
    <link:label id="lab_meso_Series97bMember_label_en-US" xlink:label="lab_meso_Series97bMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 97b [Member]</link:label>
    <link:label id="lab_meso_Series97bMember_documentation_en-US" xlink:label="lab_meso_Series97bMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 97b</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series97bMember" xlink:href="meso-20260630.xsd#meso_Series97bMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series97bMember" xlink:to="lab_meso_Series97bMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MPCMICROIOAndMPCCBEMember_019f3528-b0c3-7049-a5d5-5706462931c4_terseLabel_en-US" xlink:label="lab_meso_MPCMICROIOAndMPCCBEMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MPC-MICRO-IO and MPC-CBE</link:label>
    <link:label id="lab_meso_MPCMICROIOAndMPCCBEMember_label_en-US" xlink:label="lab_meso_MPCMICROIOAndMPCCBEMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">M P C M I C R O I O And M P C C B E [Member]</link:label>
    <link:label id="lab_meso_MPCMICROIOAndMPCCBEMember_documentation_en-US" xlink:label="lab_meso_MPCMICROIOAndMPCCBEMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">MPC MICRO IO and MPC CBE.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MPCMICROIOAndMPCCBEMember" xlink:href="meso-20260630.xsd#meso_MPCMICROIOAndMPCCBEMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MPCMICROIOAndMPCCBEMember" xlink:to="lab_meso_MPCMICROIOAndMPCCBEMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfPriceRateChangesInBorrowings_019f3528-b14c-7946-b349-220019f796cd_totalLabel_en-US" xlink:label="lab_meso_PercentageOfPriceRateChangesInBorrowings" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Percent of total loans</link:label>
    <link:label id="lab_meso_PercentageOfPriceRateChangesInBorrowings_label_en-US" xlink:label="lab_meso_PercentageOfPriceRateChangesInBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Price Rate Changes In Borrowings</link:label>
    <link:label id="lab_meso_PercentageOfPriceRateChangesInBorrowings_documentation_en-US" xlink:label="lab_meso_PercentageOfPriceRateChangesInBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of price rate changes in borrowings.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfPriceRateChangesInBorrowings" xlink:href="meso-20260630.xsd#meso_PercentageOfPriceRateChangesInBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfPriceRateChangesInBorrowings" xlink:to="lab_meso_PercentageOfPriceRateChangesInBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DecreaseInTwentyPercentageMember_019f3528-b0c3-75f2-8dae-26b5aedc3f17_terseLabel_en-US" xlink:label="lab_meso_DecreaseInTwentyPercentageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">-20%</link:label>
    <link:label id="lab_meso_DecreaseInTwentyPercentageMember_label_en-US" xlink:label="lab_meso_DecreaseInTwentyPercentageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease In Twenty Percentage [Member]</link:label>
    <link:label id="lab_meso_DecreaseInTwentyPercentageMember_documentation_en-US" xlink:label="lab_meso_DecreaseInTwentyPercentageMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease in twenty percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DecreaseInTwentyPercentageMember" xlink:href="meso-20260630.xsd#meso_DecreaseInTwentyPercentageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DecreaseInTwentyPercentageMember" xlink:to="lab_meso_DecreaseInTwentyPercentageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OtherPrepayments_019f3528-b0c3-7924-9e3d-781d1df9b736_terseLabel_en-US" xlink:label="lab_meso_OtherPrepayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_meso_OtherPrepayments_label_en-US" xlink:label="lab_meso_OtherPrepayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Prepayments</link:label>
    <link:label id="lab_meso_OtherPrepayments_documentation_en-US" xlink:label="lab_meso_OtherPrepayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other prepayments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherPrepayments" xlink:href="meso-20260630.xsd#meso_OtherPrepayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OtherPrepayments" xlink:to="lab_meso_OtherPrepayments" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsExplanatoryTextBlock_019f3528-b026-7812-a8c8-e65690f59f1d_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant estimates, judgments and errors</link:label>
    <link:label id="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsExplanatoryTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Significant Estimates Judgments And Errors Explanatory [Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsExplanatoryTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of significant estimates judgments and errors.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsExplanatoryTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsExplanatoryTextBlock" xlink:to="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_019f3528-b14c-7451-a5eb-f40ea2d2825d_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">Reconciliation of Outstanding Share Based Payments</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_ifrs-full_ReservesWithinEquityAxis_019f3528-b026-73ac-a4c5-8999c0f43333_terseLabel_en-US" xlink:label="lab_ifrs-full_ReservesWithinEquityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserves within equity [axis]</link:label>
    <link:label id="lab_ifrs-full_ReservesWithinEquityAxis_label_en-US" xlink:label="lab_ifrs-full_ReservesWithinEquityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserves within equity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReservesWithinEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReservesWithinEquityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReservesWithinEquityAxis" xlink:to="lab_ifrs-full_ReservesWithinEquityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_InventoriesGross_019f3528-b0c3-7115-97f7-0b523ac66aad_terseLabel_en-US" xlink:label="lab_meso_InventoriesGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories, gross</link:label>
    <link:label id="lab_meso_InventoriesGross_label_en-US" xlink:label="lab_meso_InventoriesGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventories, Gross</link:label>
    <link:label id="lab_meso_InventoriesGross_documentation_en-US" xlink:label="lab_meso_InventoriesGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventories, Gross</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_InventoriesGross" xlink:href="meso-20260630.xsd#meso_InventoriesGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_InventoriesGross" xlink:to="lab_meso_InventoriesGross" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_Series110cAnd111Member_01a021fe-f1f0-7d81-b0e9-a07ea4410875_terseLabel_en-US" xlink:label="lab_meso_Series110cAnd111Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">110c &amp; 111</link:label>
    <link:label id="lab_meso_Series110cAnd111Member_label_en-US" xlink:label="lab_meso_Series110cAnd111Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 110c And 111 [Member]</link:label>
    <link:label id="lab_meso_Series110cAnd111Member_documentation_en-US" xlink:label="lab_meso_Series110cAnd111Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 110c And 111</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series110cAnd111Member" xlink:href="meso-20260630.xsd#meso_Series110cAnd111Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series110cAnd111Member" xlink:to="lab_meso_Series110cAnd111Member" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfTranchesOfShareBasedPaymentArrangement_019f3528-af4f-7366-980f-b1c589b20469_terseLabel_en-US" xlink:label="lab_meso_NumberOfTranchesOfShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of tranches of share based payment arrangement</link:label>
    <link:label id="lab_meso_NumberOfTranchesOfShareBasedPaymentArrangement_label_en-US" xlink:label="lab_meso_NumberOfTranchesOfShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Tranches Of Share Based Payment Arrangement</link:label>
    <link:label id="lab_meso_NumberOfTranchesOfShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_meso_NumberOfTranchesOfShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Tranches Of Share Based Payment Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfTranchesOfShareBasedPaymentArrangement" xlink:href="meso-20260630.xsd#meso_NumberOfTranchesOfShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfTranchesOfShareBasedPaymentArrangement" xlink:to="lab_meso_NumberOfTranchesOfShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfSharebasedPaymentsMember_019f3528-b14c-749d-b39a-27136242d98c_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">Share-based payments reserve</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_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_019f3528-b0c3-7d9e-8e01-b927ae78aed3_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) investing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDeferredTaxExpense_019f3528-b026-72f8-baac-3720c9546a28_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 tax benefit</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_meso_DescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock_019f3528-b026-792a-9876-9ae6913abcc4_terseLabel_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description of accounting policy for basis of preparation explanatory</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Basis Of Preparation Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description of accounting policy for basis of preparation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock" xlink:href="meso-20260630.xsd#meso_DescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock" xlink:to="lab_meso_DescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CommodityPriceRiskMember_019f3528-af4f-7bf1-9ce1-5a246646791d_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</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_meso_SeriesFortyThreeBMember_019f3528-b026-73b1-8ac3-788efe9bc3d8_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyThreeBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">43b</link:label>
    <link:label id="lab_meso_SeriesFortyThreeBMember_label_en-US" xlink:label="lab_meso_SeriesFortyThreeBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Three B [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyThreeBMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyThreeBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 43b.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyThreeBMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyThreeBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyThreeBMember" xlink:to="lab_meso_SeriesFortyThreeBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ContingentAssetsOutstanding_019f3528-b0c3-76cf-80e3-9a919d957ecf_terseLabel_en-US" xlink:label="lab_meso_ContingentAssetsOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent assets outstanding</link:label>
    <link:label id="lab_meso_ContingentAssetsOutstanding_label_en-US" xlink:label="lab_meso_ContingentAssetsOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Assets Outstanding</link:label>
    <link:label id="lab_meso_ContingentAssetsOutstanding_documentation_en-US" xlink:label="lab_meso_ContingentAssetsOutstanding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent assets outstanding.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ContingentAssetsOutstanding" xlink:href="meso-20260630.xsd#meso_ContingentAssetsOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ContingentAssetsOutstanding" xlink:to="lab_meso_ContingentAssetsOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_019f3528-b026-7aed-adaa-350d284f0869_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk Free Interest Rate</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk free interest rate, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MilestonePaymentReceived_019f3528-b0c3-78e9-bc80-b185f3c3ad75_terseLabel_en-US" xlink:label="lab_meso_MilestonePaymentReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Milestone payment received</link:label>
    <link:label id="lab_meso_MilestonePaymentReceived_label_en-US" xlink:label="lab_meso_MilestonePaymentReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Milestone Payment Received</link:label>
    <link:label id="lab_meso_MilestonePaymentReceived_documentation_en-US" xlink:label="lab_meso_MilestonePaymentReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Milestone payment received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MilestonePaymentReceived" xlink:href="meso-20260630.xsd#meso_MilestonePaymentReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MilestonePaymentReceived" xlink:to="lab_meso_MilestonePaymentReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfAssetsMeasuredAtFairValue_019f3528-af4f-7f7e-a225-a72a8c900375_terseLabel_en-US" xlink:label="lab_meso_PercentageOfAssetsMeasuredAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of assets measured at fair value</link:label>
    <link:label id="lab_meso_PercentageOfAssetsMeasuredAtFairValue_label_en-US" xlink:label="lab_meso_PercentageOfAssetsMeasuredAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Assets Measured At Fair Value</link:label>
    <link:label id="lab_meso_PercentageOfAssetsMeasuredAtFairValue_documentation_en-US" xlink:label="lab_meso_PercentageOfAssetsMeasuredAtFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of assets measured at fair value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfAssetsMeasuredAtFairValue" xlink:href="meso-20260630.xsd#meso_PercentageOfAssetsMeasuredAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfAssetsMeasuredAtFairValue" xlink:to="lab_meso_PercentageOfAssetsMeasuredAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_WarrantLiabilityAbstract_019f3528-b025-7b0c-a49d-b55b3b0112a4_terseLabel_en-US" xlink:label="lab_meso_WarrantLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrant liability</link:label>
    <link:label id="lab_meso_WarrantLiabilityAbstract_label_en-US" xlink:label="lab_meso_WarrantLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrant Liability [Abstract]</link:label>
    <link:label id="lab_meso_WarrantLiabilityAbstract_documentation_en-US" xlink:label="lab_meso_WarrantLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrant Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WarrantLiabilityAbstract" xlink:href="meso-20260630.xsd#meso_WarrantLiabilityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_WarrantLiabilityAbstract" xlink:to="lab_meso_WarrantLiabilityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SharePriceAtValuationDate_019f3528-af4f-7f46-aa6a-82c99fc569c5_terseLabel_en-US" xlink:label="lab_meso_SharePriceAtValuationDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share price at acceptance date (in AUD per share)</link:label>
    <link:label id="lab_meso_SharePriceAtValuationDate_label_en-US" xlink:label="lab_meso_SharePriceAtValuationDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Price At Valuation Date</link:label>
    <link:label id="lab_meso_SharePriceAtValuationDate_documentation_en-US" xlink:label="lab_meso_SharePriceAtValuationDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share price at Valuation date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SharePriceAtValuationDate" xlink:href="meso-20260630.xsd#meso_SharePriceAtValuationDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SharePriceAtValuationDate" xlink:to="lab_meso_SharePriceAtValuationDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_019f3528-b025-74fd-89aa-236189ab09f8_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" 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_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for determining components of cash and cash equivalents [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_019f3528-b026-7bbd-966f-e02763388c9e_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of financial derivative</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_019f3528-b026-7b1f-93f9-e6948378c259_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">Share-based payment expense for the year</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_meso_ExpectedVolatilityOtherEquityInstrumentsGranted_01a035f0-b472-77a9-b016-33fb941e7d69_terseLabel_en-US" xlink:label="lab_meso_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Volatility</link:label>
    <link:label id="lab_meso_ExpectedVolatilityOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_meso_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Volatility, Other Equity Instruments Granted</link:label>
    <link:label id="lab_meso_ExpectedVolatilityOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_meso_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Volatility, Other Equity Instruments Granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:href="meso-20260630.xsd#meso_ExpectedVolatilityOtherEquityInstrumentsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:to="lab_meso_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ExercisePricePerShare_01a0360b-4b5f-7121-9617-43cd8032686c_terseLabel_en-US" xlink:label="lab_meso_ExercisePricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise price (in AUD per share)</link:label>
    <link:label id="lab_meso_ExercisePricePerShare_label_en-US" xlink:label="lab_meso_ExercisePricePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exercise Price Per Share</link:label>
    <link:label id="lab_meso_ExercisePricePerShare_documentation_en-US" xlink:label="lab_meso_ExercisePricePerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exercise Price Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExercisePricePerShare" xlink:href="meso-20260630.xsd#meso_ExercisePricePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExercisePricePerShare" xlink:to="lab_meso_ExercisePricePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesAbstract_019f3528-b026-7a91-8151-32a098dfb014_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesAbstract" 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_LeaseLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesAbstract" xlink:to="lab_ifrs-full_LeaseLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SharesReservedForIssueUnderSharePlacementAgreementValue_019f3528-af4f-7395-9fe5-156b50723d3a_terseLabel_en-US" xlink:label="lab_meso_SharesReservedForIssueUnderSharePlacementAgreementValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement of shares under a share placement agreement</link:label>
    <link:label id="lab_meso_SharesReservedForIssueUnderSharePlacementAgreementValue_label_en-US" xlink:label="lab_meso_SharesReservedForIssueUnderSharePlacementAgreementValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Reserved for Issue Under Share Placement Agreement, Value</link:label>
    <link:label id="lab_meso_SharesReservedForIssueUnderSharePlacementAgreementValue_documentation_en-US" xlink:label="lab_meso_SharesReservedForIssueUnderSharePlacementAgreementValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares issued in placements value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SharesReservedForIssueUnderSharePlacementAgreementValue" xlink:href="meso-20260630.xsd#meso_SharesReservedForIssueUnderSharePlacementAgreementValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SharesReservedForIssueUnderSharePlacementAgreementValue" xlink:to="lab_meso_SharesReservedForIssueUnderSharePlacementAgreementValue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SharesHeldInTrust_019f3528-b0c3-7819-a933-3588c1ef1e58_periodStartLabel_en-US" xlink:label="lab_meso_SharesHeldInTrust" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance, (in shares)</link:label>
    <link:label id="lab_meso_SharesHeldInTrust_019f3528-b0c3-714a-a14f-d0e62f194149_periodEndLabel_en-US" xlink:label="lab_meso_SharesHeldInTrust" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance, (in shares)</link:label>
    <link:label id="lab_meso_SharesHeldInTrust_label_en-US" xlink:label="lab_meso_SharesHeldInTrust" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Held In Trust</link:label>
    <link:label id="lab_meso_SharesHeldInTrust_documentation_en-US" xlink:label="lab_meso_SharesHeldInTrust" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares held in trust.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SharesHeldInTrust" xlink:href="meso-20260630.xsd#meso_SharesHeldInTrust"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SharesHeldInTrust" xlink:to="lab_meso_SharesHeldInTrust" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssets_019f3528-af4f-742f-996b-d9457ec0c057_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_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems_019f3528-b0c3-7dec-95c0-16a61671ce01_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Maturity Analysis For Derivative Financial Liabilities [Line Items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_019f3528-b026-73d1-8206-2e72f06eb9ab_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_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_019f3528-b14c-792a-8b00-41e983811623_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for impairment of assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_019f3528-b026-7bcd-9bca-68e6e109fcdf_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">Classes of property, plant and equipment [domain]</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_meso_DeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount_019f3528-af4f-792a-a315-b673d996ddc9_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax recorded in equity (if brought to account)</link:label>
    <link:label id="lab_meso_DeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount_label_en-US" xlink:label="lab_meso_DeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Relating To Items Charged Or Credited Amounts That Would Be Recognized Directly In Equity If Brought To Account</link:label>
    <link:label id="lab_meso_DeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount_documentation_en-US" xlink:label="lab_meso_DeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax relating to items charged or credited amounts that would be recognized directly in equity if brought to account.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:href="meso-20260630.xsd#meso_DeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:to="lab_meso_DeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCountry_019f3528-b0c3-7c77-b899-9e1987878d15_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCountry" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address Country</link:label>
    <link:label id="lab_dei_EntityAddressCountry_label_en-US" xlink:label="lab_dei_EntityAddressCountry" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Country</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCountry" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCountry"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCountry" xlink:to="lab_dei_EntityAddressCountry" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfWarrantsExercised_019f5eee-341f-7407-b6d1-ed5112a15ff1_terseLabel_en-US" xlink:label="lab_meso_NumberOfWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of warrants exercised (in shares)</link:label>
    <link:label id="lab_meso_NumberOfWarrantsExercised_label_en-US" xlink:label="lab_meso_NumberOfWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Warrants Exercised</link:label>
    <link:label id="lab_meso_NumberOfWarrantsExercised_documentation_en-US" xlink:label="lab_meso_NumberOfWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Warrants Exercised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfWarrantsExercised" xlink:href="meso-20260630.xsd#meso_NumberOfWarrantsExercised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfWarrantsExercised" xlink:to="lab_meso_NumberOfWarrantsExercised" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_GovernmentGrantsAndTaxIncentivesReceived_019f3528-b026-7f94-b357-62f073948b2f_terseLabel_en-US" xlink:label="lab_meso_GovernmentGrantsAndTaxIncentivesReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government grants and tax incentives and credits received</link:label>
    <link:label id="lab_meso_GovernmentGrantsAndTaxIncentivesReceived_label_en-US" xlink:label="lab_meso_GovernmentGrantsAndTaxIncentivesReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Government Grants And Tax Incentives Received</link:label>
    <link:label id="lab_meso_GovernmentGrantsAndTaxIncentivesReceived_documentation_en-US" xlink:label="lab_meso_GovernmentGrantsAndTaxIncentivesReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Government grants and tax incentives received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_GovernmentGrantsAndTaxIncentivesReceived" xlink:href="meso-20260630.xsd#meso_GovernmentGrantsAndTaxIncentivesReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_GovernmentGrantsAndTaxIncentivesReceived" xlink:to="lab_meso_GovernmentGrantsAndTaxIncentivesReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_EUR_019f3528-b026-73ec-a633-99e57c40515b_terseLabel_en-US" xlink:label="lab_currency_EUR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EUR</link:label>
    <link:label id="lab_currency_EUR_label_en-US" xlink:label="lab_currency_EUR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Euro Member Countries, Euro</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_EUR" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_EUR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_EUR" xlink:to="lab_currency_EUR" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MethodsOfGenerationDomain_019f3528-b0c3-75f3-a36f-53a972d187e8_terseLabel_en-US" xlink:label="lab_ifrs-full_MethodsOfGenerationDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Methods of generation</link:label>
    <link:label id="lab_ifrs-full_MethodsOfGenerationDomain_label_en-US" xlink:label="lab_ifrs-full_MethodsOfGenerationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Methods of generation [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MethodsOfGenerationDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MethodsOfGenerationDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MethodsOfGenerationDomain" xlink:to="lab_ifrs-full_MethodsOfGenerationDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfOrdinarySharesPerWarrant_019f3528-af4f-7675-ace2-b83c5e7b384c_terseLabel_en-US" xlink:label="lab_meso_NumberOfOrdinarySharesPerWarrant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of ordinary shares per warrant (in shares)</link:label>
    <link:label id="lab_meso_NumberOfOrdinarySharesPerWarrant_label_en-US" xlink:label="lab_meso_NumberOfOrdinarySharesPerWarrant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Ordinary Shares Per Warrant</link:label>
    <link:label id="lab_meso_NumberOfOrdinarySharesPerWarrant_documentation_en-US" xlink:label="lab_meso_NumberOfOrdinarySharesPerWarrant" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Ordinary Shares Per Warrant</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfOrdinarySharesPerWarrant" xlink:href="meso-20260630.xsd#meso_NumberOfOrdinarySharesPerWarrant"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfOrdinarySharesPerWarrant" xlink:to="lab_meso_NumberOfOrdinarySharesPerWarrant" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019f3528-b026-7a2b-bca6-91a773a76a21_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">Foreign exchange gains/(losses) on the translation of foreign bank accounts</link:label>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019f3528-b026-7876-9c66-bc3e3851626f_verboseLabel_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange adjustments, 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_meso_MesoblastUKLtdMember_019f3528-b026-75f6-98b1-5ae8bfb3c0c5_terseLabel_en-US" xlink:label="lab_meso_MesoblastUKLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mesoblast UK Ltd</link:label>
    <link:label id="lab_meso_MesoblastUKLtdMember_label_en-US" xlink:label="lab_meso_MesoblastUKLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mesoblast U K Ltd [Member]</link:label>
    <link:label id="lab_meso_MesoblastUKLtdMember_documentation_en-US" xlink:label="lab_meso_MesoblastUKLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mesoblast UK Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MesoblastUKLtdMember" xlink:href="meso-20260630.xsd#meso_MesoblastUKLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MesoblastUKLtdMember" xlink:to="lab_meso_MesoblastUKLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_019f3528-b14c-79c3-aca8-2f458d821a26_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency translation</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_meso_ProbabilityOfSuccessMeasurementInputMember_019f3528-b0c3-79a5-835d-d9bd4d13ed3e_terseLabel_en-US" xlink:label="lab_meso_ProbabilityOfSuccessMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probability of success measurement input</link:label>
    <link:label id="lab_meso_ProbabilityOfSuccessMeasurementInputMember_label_en-US" xlink:label="lab_meso_ProbabilityOfSuccessMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probability Of Success Measurement Input [Member]</link:label>
    <link:label id="lab_meso_ProbabilityOfSuccessMeasurementInputMember_documentation_en-US" xlink:label="lab_meso_ProbabilityOfSuccessMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Probability Of Success Measurement Input</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ProbabilityOfSuccessMeasurementInputMember" xlink:href="meso-20260630.xsd#meso_ProbabilityOfSuccessMeasurementInputMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ProbabilityOfSuccessMeasurementInputMember" xlink:to="lab_meso_ProbabilityOfSuccessMeasurementInputMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentAnnualReport_019f3528-b026-7150-af7e-563454918319_terseLabel_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Annual Report</link:label>
    <link:label id="lab_dei_DocumentAnnualReport_label_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Annual Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentAnnualReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAnnualReport" xlink:to="lab_dei_DocumentAnnualReport" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfSharesUnissuedAndFullyPaid_019f3528-b026-7a74-b3c4-3dc0c81a38c5_terseLabel_en-US" xlink:label="lab_meso_NumberOfSharesUnissuedAndFullyPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total unissues of ordinary shares during the period (in shares)</link:label>
    <link:label id="lab_meso_NumberOfSharesUnissuedAndFullyPaid_label_en-US" xlink:label="lab_meso_NumberOfSharesUnissuedAndFullyPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Shares Unissued And Fully Paid</link:label>
    <link:label id="lab_meso_NumberOfSharesUnissuedAndFullyPaid_documentation_en-US" xlink:label="lab_meso_NumberOfSharesUnissuedAndFullyPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Shares Unissued And Fully Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfSharesUnissuedAndFullyPaid" xlink:href="meso-20260630.xsd#meso_NumberOfSharesUnissuedAndFullyPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfSharesUnissuedAndFullyPaid" xlink:to="lab_meso_NumberOfSharesUnissuedAndFullyPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ClinicalTrialResearchAndDevelopmentExpenditure_019f3528-b0c3-7abd-9e73-4dff8ffedd79_terseLabel_en-US" xlink:label="lab_meso_ClinicalTrialResearchAndDevelopmentExpenditure" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Clinical trial research and development expenditure</link:label>
    <link:label id="lab_meso_ClinicalTrialResearchAndDevelopmentExpenditure_label_en-US" xlink:label="lab_meso_ClinicalTrialResearchAndDevelopmentExpenditure" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Clinical Trial Research And Development Expenditure</link:label>
    <link:label id="lab_meso_ClinicalTrialResearchAndDevelopmentExpenditure_documentation_en-US" xlink:label="lab_meso_ClinicalTrialResearchAndDevelopmentExpenditure" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of asset related to consideration paid in advance for clinical trial research and development expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ClinicalTrialResearchAndDevelopmentExpenditure" xlink:href="meso-20260630.xsd#meso_ClinicalTrialResearchAndDevelopmentExpenditure"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ClinicalTrialResearchAndDevelopmentExpenditure" xlink:to="lab_meso_ClinicalTrialResearchAndDevelopmentExpenditure" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredTaxAssetsAndLiabilitiesRelatingToChargedOrCreditedAbstract_019f3528-b026-799a-9057-1d723291aec4_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetsAndLiabilitiesRelatingToChargedOrCreditedAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charged/(credited) to:</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsAndLiabilitiesRelatingToChargedOrCreditedAbstract_label_en-US" xlink:label="lab_meso_DeferredTaxAssetsAndLiabilitiesRelatingToChargedOrCreditedAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets And Liabilities Relating To Charged Or Credited [Abstract]</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsAndLiabilitiesRelatingToChargedOrCreditedAbstract_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetsAndLiabilitiesRelatingToChargedOrCreditedAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax assets and liabilities relating to charged or credited.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetsAndLiabilitiesRelatingToChargedOrCreditedAbstract" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetsAndLiabilitiesRelatingToChargedOrCreditedAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetsAndLiabilitiesRelatingToChargedOrCreditedAbstract" xlink:to="lab_meso_DeferredTaxAssetsAndLiabilitiesRelatingToChargedOrCreditedAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable_019f3528-b026-72d1-9089-2646d7482d39_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 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_ifrs-full_GeographicalAreasDomain_019f3528-b0c3-7f59-b261-e69897bbd3b7_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</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_meso_SeriesNinetySixAOneMember_019f3528-b0c3-7f0d-ae82-501d4dc5fd62_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetySixAOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">96a</link:label>
    <link:label id="lab_meso_SeriesNinetySixAOneMember_label_en-US" xlink:label="lab_meso_SeriesNinetySixAOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Six A One [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetySixAOneMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetySixAOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Six A One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetySixAOneMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetySixAOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetySixAOneMember" xlink:to="lab_meso_SeriesNinetySixAOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_019f3528-b0c3-7d18-be9a-d3216e83adc3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Other Non-current Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other non-current assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_019f3528-b0c3-7940-8aa0-821896edbd37_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 &amp; other receivables</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_019f3528-b0c3-7116-94af-1823bfcdca6b_totalLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Trade and other receivables</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_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_019f3528-b0c3-7202-8f4f-c83cc82beff1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial risk management</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial risk management [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialRiskManagementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_019f3528-b0c3-756a-8f54-8ed39138a38d_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TrancheVestingTerm_019f3528-b0c3-78f5-971f-95fb678dcd49_terseLabel_en-US" xlink:label="lab_meso_TrancheVestingTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche vesting term</link:label>
    <link:label id="lab_meso_TrancheVestingTerm_label_en-US" xlink:label="lab_meso_TrancheVestingTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche Vesting Term</link:label>
    <link:label id="lab_meso_TrancheVestingTerm_documentation_en-US" xlink:label="lab_meso_TrancheVestingTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche vesting term.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TrancheVestingTerm" xlink:href="meso-20260630.xsd#meso_TrancheVestingTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TrancheVestingTerm" xlink:to="lab_meso_TrancheVestingTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TransactionCostOnCreditLineFacilityRelatedPartyTransaction_01a019ef-1890-78f5-9ab9-ed65650b9831_terseLabel_en-US" xlink:label="lab_meso_TransactionCostOnCreditLineFacilityRelatedPartyTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transaction cost on credit-line facility</link:label>
    <link:label id="lab_meso_TransactionCostOnCreditLineFacilityRelatedPartyTransaction_label_en-US" xlink:label="lab_meso_TransactionCostOnCreditLineFacilityRelatedPartyTransaction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transaction Cost On Credit Line Facility, Related Party Transaction</link:label>
    <link:label id="lab_meso_TransactionCostOnCreditLineFacilityRelatedPartyTransaction_documentation_en-US" xlink:label="lab_meso_TransactionCostOnCreditLineFacilityRelatedPartyTransaction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transaction Cost On Credit Line Facility, Related Party Transaction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TransactionCostOnCreditLineFacilityRelatedPartyTransaction" xlink:href="meso-20260630.xsd#meso_TransactionCostOnCreditLineFacilityRelatedPartyTransaction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TransactionCostOnCreditLineFacilityRelatedPartyTransaction" xlink:to="lab_meso_TransactionCostOnCreditLineFacilityRelatedPartyTransaction" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SharesAvailableForAcquisitionOfIntangibleAssetShares_01a014f0-e4ff-7fc9-b6dd-9c54d6f49a05_terseLabel_en-US" xlink:label="lab_meso_SharesAvailableForAcquisitionOfIntangibleAssetShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement of shares for acquisition of intangible asset (in shares)</link:label>
    <link:label id="lab_meso_SharesAvailableForAcquisitionOfIntangibleAssetShares_label_en-US" xlink:label="lab_meso_SharesAvailableForAcquisitionOfIntangibleAssetShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Available For Acquisition Of Intangible Asset, Shares</link:label>
    <link:label id="lab_meso_SharesAvailableForAcquisitionOfIntangibleAssetShares_documentation_en-US" xlink:label="lab_meso_SharesAvailableForAcquisitionOfIntangibleAssetShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares Available For Acquisition Of Intangible Asset, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SharesAvailableForAcquisitionOfIntangibleAssetShares" xlink:href="meso-20260630.xsd#meso_SharesAvailableForAcquisitionOfIntangibleAssetShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SharesAvailableForAcquisitionOfIntangibleAssetShares" xlink:to="lab_meso_SharesAvailableForAcquisitionOfIntangibleAssetShares" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangement_01a035f4-cb8e-7a2f-aa96-f082e70e66ff_terseLabel_en-US" xlink:label="lab_meso_ExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise Price (in USD/AUD per share)</link:label>
    <link:label id="lab_meso_ExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_meso_ExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exercise Price Of Other Equity Instruments in Share-Based Payment Arrangement</link:label>
    <link:label id="lab_meso_ExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_meso_ExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exercise Price Of Other Equity Instruments in Share-Based Payment Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangement" xlink:href="meso-20260630.xsd#meso_ExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangement" xlink:to="lab_meso_ExercisePriceOfOtherEquityInstrumentsInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WarrantReserve_019f3528-b026-7488-bd65-a23724e178b9_terseLabel_en-US" xlink:label="lab_ifrs-full_WarrantReserve" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrant Reserve</link:label>
    <link:label id="lab_ifrs-full_WarrantReserve_label_en-US" xlink:label="lab_ifrs-full_WarrantReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrant reserve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WarrantReserve" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WarrantReserve"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WarrantReserve" xlink:to="lab_ifrs-full_WarrantReserve" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DepreciationCapitalizedIntoInventory_019fd791-56c9-7d1b-bba7-1c8b1bc18946_terseLabel_en-US" xlink:label="lab_meso_DepreciationCapitalizedIntoInventory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation capitalized into inventory</link:label>
    <link:label id="lab_meso_DepreciationCapitalizedIntoInventory_label_en-US" xlink:label="lab_meso_DepreciationCapitalizedIntoInventory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation Capitalized Into Inventory</link:label>
    <link:label id="lab_meso_DepreciationCapitalizedIntoInventory_documentation_en-US" xlink:label="lab_meso_DepreciationCapitalizedIntoInventory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Depreciation Capitalized Into Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DepreciationCapitalizedIntoInventory" xlink:href="meso-20260630.xsd#meso_DepreciationCapitalizedIntoInventory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DepreciationCapitalizedIntoInventory" xlink:to="lab_meso_DepreciationCapitalizedIntoInventory" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfSharesIssuedAndFullyPaidValue_019f3528-b025-72c6-9f9a-111f03a217f5_totalLabel_en-US" xlink:label="lab_meso_NumberOfSharesIssuedAndFullyPaidValue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total issues of ordinary values during the period</link:label>
    <link:label id="lab_meso_NumberOfSharesIssuedAndFullyPaidValue_label_en-US" xlink:label="lab_meso_NumberOfSharesIssuedAndFullyPaidValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Shares Issued And Fully Paid, Value</link:label>
    <link:label id="lab_meso_NumberOfSharesIssuedAndFullyPaidValue_documentation_en-US" xlink:label="lab_meso_NumberOfSharesIssuedAndFullyPaidValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Shares Issued And Fully Paid, Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfSharesIssuedAndFullyPaidValue" xlink:href="meso-20260630.xsd#meso_NumberOfSharesIssuedAndFullyPaidValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfSharesIssuedAndFullyPaidValue" xlink:to="lab_meso_NumberOfSharesIssuedAndFullyPaidValue" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CondensedIncomeStatementTable_019f3528-b0c3-795e-b5b2-04f33cefd9e1_terseLabel_en-US" xlink:label="lab_srt_CondensedIncomeStatementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Condensed Income Statement [Table]</link:label>
    <link:label id="lab_srt_CondensedIncomeStatementTable_label_en-US" xlink:label="lab_srt_CondensedIncomeStatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Condensed Income Statement [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedIncomeStatementTable" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedIncomeStatementTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CondensedIncomeStatementTable" xlink:to="lab_srt_CondensedIncomeStatementTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NetworkFirmsOfPriceWaterHouseCoopersMember_019f3528-af4f-76d8-ba11-07e5adda9e62_terseLabel_en-US" xlink:label="lab_meso_NetworkFirmsOfPriceWaterHouseCoopersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">b. Network firms of PricewaterhouseCoopers Australia</link:label>
    <link:label id="lab_meso_NetworkFirmsOfPriceWaterHouseCoopersMember_label_en-US" xlink:label="lab_meso_NetworkFirmsOfPriceWaterHouseCoopersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Network Firms Of Price Water House Coopers [Member]</link:label>
    <link:label id="lab_meso_NetworkFirmsOfPriceWaterHouseCoopersMember_documentation_en-US" xlink:label="lab_meso_NetworkFirmsOfPriceWaterHouseCoopersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Network Firms Of Price Water House Coopers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NetworkFirmsOfPriceWaterHouseCoopersMember" xlink:href="meso-20260630.xsd#meso_NetworkFirmsOfPriceWaterHouseCoopersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NetworkFirmsOfPriceWaterHouseCoopersMember" xlink:to="lab_meso_NetworkFirmsOfPriceWaterHouseCoopersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyAbstract_019f3528-b026-7180-9404-adc66dc2c4d3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of voluntary change in accounting policy [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of voluntary change in accounting policy [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyAbstract" xlink:to="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_019f3528-b026-73d8-b654-bc1b01783253_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_meso_PaymentsOfTransactionCostsFromBorrowings_019f3528-b14c-75cf-94b4-184dde9edb3f_negatedLabel_en-US" xlink:label="lab_meso_PaymentsOfTransactionCostsFromBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payment of transaction costs from borrowings</link:label>
    <link:label id="lab_meso_PaymentsOfTransactionCostsFromBorrowings_label_en-US" xlink:label="lab_meso_PaymentsOfTransactionCostsFromBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments Of Transaction Costs From Borrowings</link:label>
    <link:label id="lab_meso_PaymentsOfTransactionCostsFromBorrowings_documentation_en-US" xlink:label="lab_meso_PaymentsOfTransactionCostsFromBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments of transaction costs from borrowings.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PaymentsOfTransactionCostsFromBorrowings" xlink:href="meso-20260630.xsd#meso_PaymentsOfTransactionCostsFromBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PaymentsOfTransactionCostsFromBorrowings" xlink:to="lab_meso_PaymentsOfTransactionCostsFromBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_GainLossRecognizedRemeasurementOfBorrowingArrangements_01a01765-3054-7d26-94a7-3bff51fc8ac5_negatedTerseLabel_en-US" xlink:label="lab_meso_GainLossRecognizedRemeasurementOfBorrowingArrangements" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) recognized remeasurement of borrowing arrangements</link:label>
    <link:label id="lab_meso_GainLossRecognizedRemeasurementOfBorrowingArrangements_label_en-US" xlink:label="lab_meso_GainLossRecognizedRemeasurementOfBorrowingArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) Recognized Remeasurement Of Borrowing Arrangements</link:label>
    <link:label id="lab_meso_GainLossRecognizedRemeasurementOfBorrowingArrangements_documentation_en-US" xlink:label="lab_meso_GainLossRecognizedRemeasurementOfBorrowingArrangements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gain (Loss) Recognized Remeasurement Of Borrowing Arrangements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_GainLossRecognizedRemeasurementOfBorrowingArrangements" xlink:href="meso-20260630.xsd#meso_GainLossRecognizedRemeasurementOfBorrowingArrangements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_GainLossRecognizedRemeasurementOfBorrowingArrangements" xlink:to="lab_meso_GainLossRecognizedRemeasurementOfBorrowingArrangements" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TrancheOneMember_019f3528-b026-70b0-ac31-0b5d5d9b01ca_terseLabel_en-US" xlink:label="lab_meso_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_meso_TrancheOneMember_label_en-US" xlink:label="lab_meso_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_meso_TrancheOneMember_documentation_en-US" xlink:label="lab_meso_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_meso_TrancheOneMember" xlink:href="meso-20260630.xsd#meso_TrancheOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TrancheOneMember" xlink:to="lab_meso_TrancheOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceCosts_019f3528-af4f-728e-a255-4632246856ba_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_019f3528-af4f-75c9-8b92-99fc6c440b17_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total 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_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsWarrantLiability_019f3528-b0c3-75d8-9358-7f3e308a1368_terseLabel_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ten percent of increase in share price, warrant liabilities</link:label>
    <link:label id="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsWarrantLiability_label_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Increase In Risk Variable, Impact On Earnings, Warrant Liability</link:label>
    <link:label id="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsWarrantLiability_documentation_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Increase In Risk Variable, Impact On Earnings, Warrant Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsWarrantLiability" xlink:href="meso-20260630.xsd#meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsWarrantLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsWarrantLiability" xlink:to="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsWarrantLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesThirtySixMember_019f3528-b025-700e-a4a5-1a7e2875a850_terseLabel_en-US" xlink:label="lab_meso_SeriesThirtySixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">36</link:label>
    <link:label id="lab_meso_SeriesThirtySixMember_label_en-US" xlink:label="lab_meso_SeriesThirtySixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Thirty Six [Member]</link:label>
    <link:label id="lab_meso_SeriesThirtySixMember_documentation_en-US" xlink:label="lab_meso_SeriesThirtySixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 36.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesThirtySixMember" xlink:href="meso-20260630.xsd#meso_SeriesThirtySixMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesThirtySixMember" xlink:to="lab_meso_SeriesThirtySixMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ExpectedUnitSalesPriceMeasurementInputMember_019f3528-b14c-75b5-86e0-12b6d885d5be_terseLabel_en-US" xlink:label="lab_meso_ExpectedUnitSalesPriceMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected unit sales price</link:label>
    <link:label id="lab_meso_ExpectedUnitSalesPriceMeasurementInputMember_label_en-US" xlink:label="lab_meso_ExpectedUnitSalesPriceMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Unit Sales Price Measurement Input [Member]</link:label>
    <link:label id="lab_meso_ExpectedUnitSalesPriceMeasurementInputMember_documentation_en-US" xlink:label="lab_meso_ExpectedUnitSalesPriceMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Unit Sales Price Measurement Input</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpectedUnitSalesPriceMeasurementInputMember" xlink:href="meso-20260630.xsd#meso_ExpectedUnitSalesPriceMeasurementInputMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpectedUnitSalesPriceMeasurementInputMember" xlink:to="lab_meso_ExpectedUnitSalesPriceMeasurementInputMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_019f3528-b0c3-7918-b3ef-0e59719511cf_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of material accounting policies</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of material accounting policy information [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:to="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TaxEffectOfBonusRestructureExpense_019f3528-b14c-7c40-986c-917c09e26874_terseLabel_en-US" xlink:label="lab_meso_TaxEffectOfBonusRestructureExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonus restructure expense</link:label>
    <link:label id="lab_meso_TaxEffectOfBonusRestructureExpense_label_en-US" xlink:label="lab_meso_TaxEffectOfBonusRestructureExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Bonus Restructure Expense</link:label>
    <link:label id="lab_meso_TaxEffectOfBonusRestructureExpense_documentation_en-US" xlink:label="lab_meso_TaxEffectOfBonusRestructureExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Effect Of Bonus Restructure Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TaxEffectOfBonusRestructureExpense" xlink:href="meso-20260630.xsd#meso_TaxEffectOfBonusRestructureExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TaxEffectOfBonusRestructureExpense" xlink:to="lab_meso_TaxEffectOfBonusRestructureExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InventoryWritedown2011_019f3528-b0c3-7f49-938c-8d8ddc08e4c8_terseLabel_en-US" xlink:label="lab_ifrs-full_InventoryWritedown2011" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory costs wrote off</link:label>
    <link:label id="lab_ifrs-full_InventoryWritedown2011_label_en-US" xlink:label="lab_ifrs-full_InventoryWritedown2011" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory write-down</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InventoryWritedown2011" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InventoryWritedown2011"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InventoryWritedown2011" xlink:to="lab_ifrs-full_InventoryWritedown2011" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromRoyalties_019f3528-b0c3-7be2-8517-a688cb80d436_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromRoyalties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Royalty revenue</link:label>
    <link:label id="lab_ifrs-full_RevenueFromRoyalties_label_en-US" xlink:label="lab_ifrs-full_RevenueFromRoyalties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Royalty income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromRoyalties" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromRoyalties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRoyalties" xlink:to="lab_ifrs-full_RevenueFromRoyalties" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfAuditFeesAndNonAuditFeesExplanatoryTableTextBlock_019f3528-af4f-7776-ae71-fc68f4a4822b_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfAuditFeesAndNonAuditFeesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Fees were Paid or Payable for Services Provided by the Auditor of the Parent Entity</link:label>
    <link:label id="lab_meso_DisclosureOfAuditFeesAndNonAuditFeesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfAuditFeesAndNonAuditFeesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Audit Fees And Non Audit Fees Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfAuditFeesAndNonAuditFeesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfAuditFeesAndNonAuditFeesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of audit fees and non audit fees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfAuditFeesAndNonAuditFeesExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfAuditFeesAndNonAuditFeesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfAuditFeesAndNonAuditFeesExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfAuditFeesAndNonAuditFeesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfDeferredTaxAssetsNotBroughtToAccountExplanatoryTableTextBlock_019f3528-b026-7691-80ef-2b5f6cd57ac3_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfDeferredTaxAssetsNotBroughtToAccountExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Deferred Tax Assets Not Brought to Account</link:label>
    <link:label id="lab_meso_DisclosureOfDeferredTaxAssetsNotBroughtToAccountExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfDeferredTaxAssetsNotBroughtToAccountExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Deferred Tax Assets Not Brought To Account Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfDeferredTaxAssetsNotBroughtToAccountExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfDeferredTaxAssetsNotBroughtToAccountExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of deferred tax assets not brought to account.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfDeferredTaxAssetsNotBroughtToAccountExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfDeferredTaxAssetsNotBroughtToAccountExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfDeferredTaxAssetsNotBroughtToAccountExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfDeferredTaxAssetsNotBroughtToAccountExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetyFiveMember_019f3528-b026-73d9-8606-73bb107c2774_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetyFiveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">95</link:label>
    <link:label id="lab_meso_SeriesNinetyFiveMember_label_en-US" xlink:label="lab_meso_SeriesNinetyFiveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Five [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetyFiveMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetyFiveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetyFiveMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetyFiveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetyFiveMember" xlink:to="lab_meso_SeriesNinetyFiveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_019f3528-b026-7ec6-a245-d422b9500a80_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_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_019f3528-b0c3-7b66-92e2-853a1fabb9e2_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive (loss)/income for the period, net of tax</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" 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, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_019f3528-b026-785e-b97e-72f6f99441a9_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">Summary of Cash and Cash Equivalents</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_meso_BorrowingsInterestOnlyPeriod_019f3528-b026-791f-b3e3-8adf4971ec5f_terseLabel_en-US" xlink:label="lab_meso_BorrowingsInterestOnlyPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, interest period</link:label>
    <link:label id="lab_meso_BorrowingsInterestOnlyPeriod_label_en-US" xlink:label="lab_meso_BorrowingsInterestOnlyPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Interest Only Period</link:label>
    <link:label id="lab_meso_BorrowingsInterestOnlyPeriod_documentation_en-US" xlink:label="lab_meso_BorrowingsInterestOnlyPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, Interest Only Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BorrowingsInterestOnlyPeriod" xlink:href="meso-20260630.xsd#meso_BorrowingsInterestOnlyPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BorrowingsInterestOnlyPeriod" xlink:to="lab_meso_BorrowingsInterestOnlyPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_019f3528-b025-75a9-80f0-96dadb5f5afb_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening Balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_019f3528-b025-7cfc-a170-130209eb11cc_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing Balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_label_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options outstanding in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOutstandingShareOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:to="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CapitalManagementAbstract_019f3528-b026-75e4-804f-f4d4cebff9f3_terseLabel_en-US" xlink:label="lab_meso_CapitalManagementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Management [Abstract]</link:label>
    <link:label id="lab_meso_CapitalManagementAbstract_label_en-US" xlink:label="lab_meso_CapitalManagementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Management [Abstract]</link:label>
    <link:label id="lab_meso_CapitalManagementAbstract_documentation_en-US" xlink:label="lab_meso_CapitalManagementAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capital management.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CapitalManagementAbstract" xlink:href="meso-20260630.xsd#meso_CapitalManagementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CapitalManagementAbstract" xlink:to="lab_meso_CapitalManagementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesEightyFourMember_019f3528-b0c3-77eb-a3e0-22416662854e_terseLabel_en-US" xlink:label="lab_meso_SeriesEightyFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">84</link:label>
    <link:label id="lab_meso_SeriesEightyFourMember_label_en-US" xlink:label="lab_meso_SeriesEightyFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty Four [Member]</link:label>
    <link:label id="lab_meso_SeriesEightyFourMember_documentation_en-US" xlink:label="lab_meso_SeriesEightyFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightyFourMember" xlink:href="meso-20260630.xsd#meso_SeriesEightyFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightyFourMember" xlink:to="lab_meso_SeriesEightyFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ReceivablesFromBankDeposits_019f3528-b14c-7f0d-9241-798f32f8e760_terseLabel_en-US" xlink:label="lab_meso_ReceivablesFromBankDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivable from minimum A rated bank deposits (interest)</link:label>
    <link:label id="lab_meso_ReceivablesFromBankDeposits_label_en-US" xlink:label="lab_meso_ReceivablesFromBankDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables From Bank Deposits</link:label>
    <link:label id="lab_meso_ReceivablesFromBankDeposits_documentation_en-US" xlink:label="lab_meso_ReceivablesFromBankDeposits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Receivables from bank deposits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ReceivablesFromBankDeposits" xlink:href="meso-20260630.xsd#meso_ReceivablesFromBankDeposits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ReceivablesFromBankDeposits" xlink:to="lab_meso_ReceivablesFromBankDeposits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_019f3528-b026-7dd2-a11d-435be656a85d_terseLabel_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [axis]</link:label>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_label_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FairValueRemeasurementOfContingentConsiderationAbstract_019f3528-b026-73ab-b8a4-cbc48cd28948_terseLabel_en-US" xlink:label="lab_meso_FairValueRemeasurementOfContingentConsiderationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of contingent consideration</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfContingentConsiderationAbstract_label_en-US" xlink:label="lab_meso_FairValueRemeasurementOfContingentConsiderationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Remeasurement Of Contingent Consideration [Abstract]</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfContingentConsiderationAbstract_documentation_en-US" xlink:label="lab_meso_FairValueRemeasurementOfContingentConsiderationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of contingent consideration abstract.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FairValueRemeasurementOfContingentConsiderationAbstract" xlink:href="meso-20260630.xsd#meso_FairValueRemeasurementOfContingentConsiderationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FairValueRemeasurementOfContingentConsiderationAbstract" xlink:to="lab_meso_FairValueRemeasurementOfContingentConsiderationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredTaxAssetsNotBroughtToAccount_019f3528-b0c3-7d8a-8c8f-d7424ccb54e2_totalLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets not brought to account</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsNotBroughtToAccount_label_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Not Brought To Account</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsNotBroughtToAccount_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax assets not brought to account.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetsNotBroughtToAccount" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetsNotBroughtToAccount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetsNotBroughtToAccount" xlink:to="lab_meso_DeferredTaxAssetsNotBroughtToAccount" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortyEightMember_019f3528-b026-74cc-b83a-b4477a9b2a2e_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyEightMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">48</link:label>
    <link:label id="lab_meso_SeriesFortyEightMember_label_en-US" xlink:label="lab_meso_SeriesFortyEightMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Eight [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyEightMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyEightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 48.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyEightMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyEightMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyEightMember" xlink:to="lab_meso_SeriesFortyEightMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsPerShareAbstract_019f3528-b025-70fb-9111-a37d44047b6e_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">(a) Basic (losses) per share</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_meso_NumberOfTranches_019f3528-b026-7b2a-90f4-aa33112746d3_terseLabel_en-US" xlink:label="lab_meso_NumberOfTranches" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of tranches</link:label>
    <link:label id="lab_meso_NumberOfTranches_label_en-US" xlink:label="lab_meso_NumberOfTranches" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Tranches</link:label>
    <link:label id="lab_meso_NumberOfTranches_documentation_en-US" xlink:label="lab_meso_NumberOfTranches" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Tranches</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfTranches" xlink:href="meso-20260630.xsd#meso_NumberOfTranches"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfTranches" xlink:to="lab_meso_NumberOfTranches" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CumulativeMilestonePaymentsReachableAmount_019f3528-af4f-7844-b6b9-74dc5ee9d117_terseLabel_en-US" xlink:label="lab_meso_CumulativeMilestonePaymentsReachableAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cumulative milestone payments reachable amount</link:label>
    <link:label id="lab_meso_CumulativeMilestonePaymentsReachableAmount_label_en-US" xlink:label="lab_meso_CumulativeMilestonePaymentsReachableAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cumulative Milestone Payments Reachable Amount</link:label>
    <link:label id="lab_meso_CumulativeMilestonePaymentsReachableAmount_documentation_en-US" xlink:label="lab_meso_CumulativeMilestonePaymentsReachableAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cumulative milestone payments reachable amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CumulativeMilestonePaymentsReachableAmount" xlink:href="meso-20260630.xsd#meso_CumulativeMilestonePaymentsReachableAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CumulativeMilestonePaymentsReachableAmount" xlink:to="lab_meso_CumulativeMilestonePaymentsReachableAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_019f3528-b14c-744c-866e-245465a41b4a_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_dei_EntityFilerCategory_019f3528-b026-7702-8efd-ec1d7bc4483c_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_label_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFilerCategory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory" xlink:to="lab_dei_EntityFilerCategory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DiscountedCashFlowMember_019f3528-af4f-79e3-8d73-edf3e1a76fe3_terseLabel_en-US" xlink:label="lab_ifrs-full_DiscountedCashFlowMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounted cash flow</link:label>
    <link:label id="lab_ifrs-full_DiscountedCashFlowMember_label_en-US" xlink:label="lab_ifrs-full_DiscountedCashFlowMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounted cash flow [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DiscountedCashFlowMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DiscountedCashFlowMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DiscountedCashFlowMember" xlink:to="lab_ifrs-full_DiscountedCashFlowMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_019f3528-b0c3-76a7-bde2-7d464ac25397_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax recorded in equity</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax relating to items credited (charged) directly to equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:to="lab_ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FutureCapitalExpenditureCommitmentsOutstanding_019f3528-b026-79fd-8ab6-315be5aa5600_terseLabel_en-US" xlink:label="lab_meso_FutureCapitalExpenditureCommitmentsOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Future capital expenditure commitments outstanding</link:label>
    <link:label id="lab_meso_FutureCapitalExpenditureCommitmentsOutstanding_label_en-US" xlink:label="lab_meso_FutureCapitalExpenditureCommitmentsOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Capital Expenditure Commitments Outstanding</link:label>
    <link:label id="lab_meso_FutureCapitalExpenditureCommitmentsOutstanding_documentation_en-US" xlink:label="lab_meso_FutureCapitalExpenditureCommitmentsOutstanding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future capital expenditure commitments outstanding.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FutureCapitalExpenditureCommitmentsOutstanding" xlink:href="meso-20260630.xsd#meso_FutureCapitalExpenditureCommitmentsOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FutureCapitalExpenditureCommitmentsOutstanding" xlink:to="lab_meso_FutureCapitalExpenditureCommitmentsOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CurrentProvisionsForAccruedAnnualLeave_019f3528-b0c3-7931-ad8b-42552fc6fec7_terseLabel_en-US" xlink:label="lab_meso_CurrentProvisionsForAccruedAnnualLeave" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current provisions for accrued annual leave</link:label>
    <link:label id="lab_meso_CurrentProvisionsForAccruedAnnualLeave_label_en-US" xlink:label="lab_meso_CurrentProvisionsForAccruedAnnualLeave" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Provisions For Accrued Annual Leave</link:label>
    <link:label id="lab_meso_CurrentProvisionsForAccruedAnnualLeave_documentation_en-US" xlink:label="lab_meso_CurrentProvisionsForAccruedAnnualLeave" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current provisions for accrued annual leave.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CurrentProvisionsForAccruedAnnualLeave" xlink:href="meso-20260630.xsd#meso_CurrentProvisionsForAccruedAnnualLeave"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CurrentProvisionsForAccruedAnnualLeave" xlink:to="lab_meso_CurrentProvisionsForAccruedAnnualLeave" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyFourOneMember_019f3528-b0c3-7565-88fa-7680bf42145c_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyFourOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">74</link:label>
    <link:label id="lab_meso_SeriesSeventyFourOneMember_label_en-US" xlink:label="lab_meso_SeriesSeventyFourOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Four One [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyFourOneMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyFourOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Seventy Four One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyFourOneMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyFourOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyFourOneMember" xlink:to="lab_meso_SeriesSeventyFourOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_019f3528-b0c3-797a-a31b-a46da3ffd382_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_meso_Series97aMember_019f3528-b026-7a6e-80a1-9415a61543f8_terseLabel_en-US" xlink:label="lab_meso_Series97aMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">97a</link:label>
    <link:label id="lab_meso_Series97aMember_label_en-US" xlink:label="lab_meso_Series97aMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 97a [Member]</link:label>
    <link:label id="lab_meso_Series97aMember_documentation_en-US" xlink:label="lab_meso_Series97aMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 97a</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series97aMember" xlink:href="meso-20260630.xsd#meso_Series97aMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series97aMember" xlink:to="lab_meso_Series97aMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FinanceCostsGainsOnRemeasurementOfBorrowingArrangements_019f3528-b0c3-7133-b361-7987da1fd655_terseLabel_en-US" xlink:label="lab_meso_FinanceCostsGainsOnRemeasurementOfBorrowingArrangements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of borrowing arrangements</link:label>
    <link:label id="lab_meso_FinanceCostsGainsOnRemeasurementOfBorrowingArrangements_label_en-US" xlink:label="lab_meso_FinanceCostsGainsOnRemeasurementOfBorrowingArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Costs Gains On Remeasurement Of Borrowing Arrangements</link:label>
    <link:label id="lab_meso_FinanceCostsGainsOnRemeasurementOfBorrowingArrangements_documentation_en-US" xlink:label="lab_meso_FinanceCostsGainsOnRemeasurementOfBorrowingArrangements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finance (costs) gains on remeasurement of borrowing arrangements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FinanceCostsGainsOnRemeasurementOfBorrowingArrangements" xlink:href="meso-20260630.xsd#meso_FinanceCostsGainsOnRemeasurementOfBorrowingArrangements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FinanceCostsGainsOnRemeasurementOfBorrowingArrangements" xlink:to="lab_meso_FinanceCostsGainsOnRemeasurementOfBorrowingArrangements" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesAbstract_019f3528-b026-7525-afa5-d5a226dacea5_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Assets And Liabilities [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesAbstract_label_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Assets And Liabilities [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesAbstract_documentation_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets and liabilities abstract.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfFinancialAssetsAndLiabilitiesAbstract" xlink:href="meso-20260630.xsd#meso_DisclosureOfFinancialAssetsAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfFinancialAssetsAndLiabilitiesAbstract" xlink:to="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_GainLossOnRemeasurementOfWarrantLiability_019f3528-b0c3-700e-9ed0-89e48cc11a6f_terseLabel_en-US" xlink:label="lab_meso_GainLossOnRemeasurementOfWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) on remeasurement of warrant liability</link:label>
    <link:label id="lab_meso_GainLossOnRemeasurementOfWarrantLiability_label_en-US" xlink:label="lab_meso_GainLossOnRemeasurementOfWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) On Remeasurement Of Warrant Liability</link:label>
    <link:label id="lab_meso_GainLossOnRemeasurementOfWarrantLiability_documentation_en-US" xlink:label="lab_meso_GainLossOnRemeasurementOfWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gain (loss) on remeasurement of warrant liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_GainLossOnRemeasurementOfWarrantLiability" xlink:href="meso-20260630.xsd#meso_GainLossOnRemeasurementOfWarrantLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_GainLossOnRemeasurementOfWarrantLiability" xlink:to="lab_meso_GainLossOnRemeasurementOfWarrantLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems_019f3528-b0c3-73cd-a7fb-104e2952b68e_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of summary of significant accounting policies</link:label>
    <link:label id="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems_label_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Summary Of Significant Accounting Policies [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems_documentation_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of summary of significant accounting policies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems" xlink:href="meso-20260630.xsd#meso_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems" xlink:to="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IntangibleAssetsMember_019f3528-b026-7d94-ac71-98e489550933_terseLabel_en-US" xlink:label="lab_meso_IntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible Assets (DTL)</link:label>
    <link:label id="lab_meso_IntangibleAssetsMember_label_en-US" xlink:label="lab_meso_IntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Assets [Member]</link:label>
    <link:label id="lab_meso_IntangibleAssetsMember_documentation_en-US" xlink:label="lab_meso_IntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Intangible assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IntangibleAssetsMember" xlink:href="meso-20260630.xsd#meso_IntangibleAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IntangibleAssetsMember" xlink:to="lab_meso_IntangibleAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PlantAndEquipmentMember_019f3528-b0c3-778b-a717-561c7ca543eb_terseLabel_en-US" xlink:label="lab_meso_PlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plant and Equipment</link:label>
    <link:label id="lab_meso_PlantAndEquipmentMember_label_en-US" xlink:label="lab_meso_PlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plant And Equipment [Member]</link:label>
    <link:label id="lab_meso_PlantAndEquipmentMember_documentation_en-US" xlink:label="lab_meso_PlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Plant and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PlantAndEquipmentMember" xlink:href="meso-20260630.xsd#meso_PlantAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PlantAndEquipmentMember" xlink:to="lab_meso_PlantAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AuditorsRemunerationForAuditServices_019f3528-b14c-7286-abd1-e072c7e8159c_terseLabel_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationForAuditServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Audit and review of financial reports</link:label>
    <link:label id="lab_ifrs-full_AuditorsRemunerationForAuditServices_label_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationForAuditServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's remuneration for audit services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AuditorsRemunerationForAuditServices" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemunerationForAuditServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AuditorsRemunerationForAuditServices" xlink:to="lab_ifrs-full_AuditorsRemunerationForAuditServices" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_019f3528-b026-7d9a-a672-af3d6c3706fc_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address Address Line1</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine1_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDeferredTaxLiabilities_019f3528-b14c-74ff-a21e-ad7dff19d1eb_totalLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net deferred tax 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_dei_EntityAddressAddressLine2_019f3528-b026-764b-bec5-a3d8a2a4383f_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address Address Line2</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine2_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine2" xlink:to="lab_dei_EntityAddressAddressLine2" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_QuarterlyPaymentsMember_019f3528-b0c3-7789-928c-d9f6ce674afc_terseLabel_en-US" xlink:label="lab_meso_QuarterlyPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quarterly payments</link:label>
    <link:label id="lab_meso_QuarterlyPaymentsMember_label_en-US" xlink:label="lab_meso_QuarterlyPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quarterly Payments [Member]</link:label>
    <link:label id="lab_meso_QuarterlyPaymentsMember_documentation_en-US" xlink:label="lab_meso_QuarterlyPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quarterly Payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_QuarterlyPaymentsMember" xlink:href="meso-20260630.xsd#meso_QuarterlyPaymentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_QuarterlyPaymentsMember" xlink:to="lab_meso_QuarterlyPaymentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromSaleOfGoods_019f3528-b026-7532-8616-25e88e9e1c90_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product sales, net</link:label>
    <link:label id="lab_ifrs-full_RevenueFromSaleOfGoods_label_en-US" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from sale of goods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromSaleOfGoods" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromSaleOfGoods"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromSaleOfGoods" xlink:to="lab_ifrs-full_RevenueFromSaleOfGoods" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CoPayAssistanceMember_019ff5bb-4334-779e-a288-7825254a1c9d_terseLabel_en-US" xlink:label="lab_meso_CoPayAssistanceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Co-pay assistance</link:label>
    <link:label id="lab_meso_CoPayAssistanceMember_label_en-US" xlink:label="lab_meso_CoPayAssistanceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Co-Pay Assistance [Member]</link:label>
    <link:label id="lab_meso_CoPayAssistanceMember_documentation_en-US" xlink:label="lab_meso_CoPayAssistanceMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Co-Pay Assistance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CoPayAssistanceMember" xlink:href="meso-20260630.xsd#meso_CoPayAssistanceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CoPayAssistanceMember" xlink:to="lab_meso_CoPayAssistanceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationChangesInKeyAssumptions_019f3528-b026-73f5-91db-b562bbf5875b_terseLabel_en-US" xlink:label="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationChangesInKeyAssumptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of contingent consideration, changes in key assumptions</link:label>
    <link:label id="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationChangesInKeyAssumptions_label_en-US" xlink:label="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationChangesInKeyAssumptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">(Gains) Losses On Remeasurement Of Contingent Consideration, Changes In Key Assumptions</link:label>
    <link:label id="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationChangesInKeyAssumptions_documentation_en-US" xlink:label="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationChangesInKeyAssumptions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">(Gains) Losses On Remeasurement Of Contingent Consideration, Changes In Key Assumptions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_GainsLossesOnRemeasurementOfContingentConsiderationChangesInKeyAssumptions" xlink:href="meso-20260630.xsd#meso_GainsLossesOnRemeasurementOfContingentConsiderationChangesInKeyAssumptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_GainsLossesOnRemeasurementOfContingentConsiderationChangesInKeyAssumptions" xlink:to="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationChangesInKeyAssumptions" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfDepositsHeldWhichDeriveInterestRevenueWithMaximumAndMinimumInterestRatesBeingEarnedExplanatoryTableTextBlock_019f3528-b0c3-724f-8d74-e9428a376c3f_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfDepositsHeldWhichDeriveInterestRevenueWithMaximumAndMinimumInterestRatesBeingEarnedExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deposits Held which Derive Interest Revenue with Maximum and Minimum Interest Rates Being Earned</link:label>
    <link:label id="lab_meso_DisclosureOfDepositsHeldWhichDeriveInterestRevenueWithMaximumAndMinimumInterestRatesBeingEarnedExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfDepositsHeldWhichDeriveInterestRevenueWithMaximumAndMinimumInterestRatesBeingEarnedExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Deposits Held Which Derive Interest Revenue With Maximum And Minimum Interest Rates Being Earned Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfDepositsHeldWhichDeriveInterestRevenueWithMaximumAndMinimumInterestRatesBeingEarnedExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfDepositsHeldWhichDeriveInterestRevenueWithMaximumAndMinimumInterestRatesBeingEarnedExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of deposits held which derive interest revenue with maximum and minimum interest rates being earned.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfDepositsHeldWhichDeriveInterestRevenueWithMaximumAndMinimumInterestRatesBeingEarnedExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfDepositsHeldWhichDeriveInterestRevenueWithMaximumAndMinimumInterestRatesBeingEarnedExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfDepositsHeldWhichDeriveInterestRevenueWithMaximumAndMinimumInterestRatesBeingEarnedExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfDepositsHeldWhichDeriveInterestRevenueWithMaximumAndMinimumInterestRatesBeingEarnedExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IntellectualPropertyExpenses_019f3528-af4f-7606-b394-d23651cdd94c_negatedLabel_en-US" xlink:label="lab_meso_IntellectualPropertyExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Intellectual property expenses (excluding the amount amortized above)</link:label>
    <link:label id="lab_meso_IntellectualPropertyExpenses_label_en-US" xlink:label="lab_meso_IntellectualPropertyExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intellectual Property Expenses</link:label>
    <link:label id="lab_meso_IntellectualPropertyExpenses_documentation_en-US" xlink:label="lab_meso_IntellectualPropertyExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expenditure directly attributable to intellectual property expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IntellectualPropertyExpenses" xlink:href="meso-20260630.xsd#meso_IntellectualPropertyExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IntellectualPropertyExpenses" xlink:to="lab_meso_IntellectualPropertyExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AdjustmentsForRestructureOfShortTermIncentive_019f3528-b026-70c4-bf6d-660f9c913759_terseLabel_en-US" xlink:label="lab_meso_AdjustmentsForRestructureOfShortTermIncentive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restructure of short-term incentive</link:label>
    <link:label id="lab_meso_AdjustmentsForRestructureOfShortTermIncentive_label_en-US" xlink:label="lab_meso_AdjustmentsForRestructureOfShortTermIncentive" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Restructure of Short-Term Incentive</link:label>
    <link:label id="lab_meso_AdjustmentsForRestructureOfShortTermIncentive_documentation_en-US" xlink:label="lab_meso_AdjustmentsForRestructureOfShortTermIncentive" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments For Restructure of Short-Term Incentive</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AdjustmentsForRestructureOfShortTermIncentive" xlink:href="meso-20260630.xsd#meso_AdjustmentsForRestructureOfShortTermIncentive"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AdjustmentsForRestructureOfShortTermIncentive" xlink:to="lab_meso_AdjustmentsForRestructureOfShortTermIncentive" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForRoundingOfAmountsExplanatoryPolicyTextBlock_019f3528-b025-70cc-a062-fcc33e3df909_terseLabel_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForRoundingOfAmountsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rounding of amounts</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForRoundingOfAmountsExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForRoundingOfAmountsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Rounding Of Amounts Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForRoundingOfAmountsExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForRoundingOfAmountsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description of accounting policy for rounding of amounts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DescriptionOfAccountingPolicyForRoundingOfAmountsExplanatoryPolicyTextBlock" xlink:href="meso-20260630.xsd#meso_DescriptionOfAccountingPolicyForRoundingOfAmountsExplanatoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DescriptionOfAccountingPolicyForRoundingOfAmountsExplanatoryPolicyTextBlock" xlink:to="lab_meso_DescriptionOfAccountingPolicyForRoundingOfAmountsExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_019f3528-b0c3-71a7-85df-77f26ce5dd2a_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">Summary 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_019f3528-b0c3-7894-b65c-7414db39fec7_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <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_meso_SeriesEightyThreeMember_019f3528-b0c3-7504-9416-9f445835de71_terseLabel_en-US" xlink:label="lab_meso_SeriesEightyThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">83</link:label>
    <link:label id="lab_meso_SeriesEightyThreeMember_label_en-US" xlink:label="lab_meso_SeriesEightyThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty Three [Member]</link:label>
    <link:label id="lab_meso_SeriesEightyThreeMember_documentation_en-US" xlink:label="lab_meso_SeriesEightyThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightyThreeMember" xlink:href="meso-20260630.xsd#meso_SeriesEightyThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightyThreeMember" xlink:to="lab_meso_SeriesEightyThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RiskFreeInterestRateOtherEquityInstruments_01a035ee-ea6f-7c2f-bc5a-c813e60f42d7_terseLabel_en-US" xlink:label="lab_meso_RiskFreeInterestRateOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk Free Interest Rate</link:label>
    <link:label id="lab_meso_RiskFreeInterestRateOtherEquityInstruments_label_en-US" xlink:label="lab_meso_RiskFreeInterestRateOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Free Interest Rate, Other Equity Instruments</link:label>
    <link:label id="lab_meso_RiskFreeInterestRateOtherEquityInstruments_documentation_en-US" xlink:label="lab_meso_RiskFreeInterestRateOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Free Interest Rate, Other Equity Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RiskFreeInterestRateOtherEquityInstruments" xlink:href="meso-20260630.xsd#meso_RiskFreeInterestRateOtherEquityInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RiskFreeInterestRateOtherEquityInstruments" xlink:to="lab_meso_RiskFreeInterestRateOtherEquityInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndSeventeenMember_019fd8b5-4d08-7eab-8bd5-12952c13618d_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndSeventeenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">117</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndSeventeenMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndSeventeenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Seventeen [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndSeventeenMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndSeventeenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Seventeen</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndSeventeenMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndSeventeenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndSeventeenMember" xlink:to="lab_meso_SeriesOneHundredAndSeventeenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage_019f3528-b026-7b65-bc99-04cafc0a0d11_terseLabel_en-US" xlink:label="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share options vesting to maximum in time-based conditions</link:label>
    <link:label id="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage_label_en-US" xlink:label="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting Requirements For Share-Based Payment Arrangement, Vesting Percentage</link:label>
    <link:label id="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage_documentation_en-US" xlink:label="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Vesting Requirements For Share-Based Payment Arrangement, Vesting Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:href="meso-20260630.xsd#meso_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:to="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredConsiderationNonCurrent_019f3528-b0c3-7bb1-a6f6-24d8e9bf6a72_terseLabel_en-US" xlink:label="lab_meso_DeferredConsiderationNonCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred consideration</link:label>
    <link:label id="lab_meso_DeferredConsiderationNonCurrent_label_en-US" xlink:label="lab_meso_DeferredConsiderationNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Consideration Non Current</link:label>
    <link:label id="lab_meso_DeferredConsiderationNonCurrent_documentation_en-US" xlink:label="lab_meso_DeferredConsiderationNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of deferred consideration on customer receipts expected to be accounted for after one year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredConsiderationNonCurrent" xlink:href="meso-20260630.xsd#meso_DeferredConsiderationNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredConsiderationNonCurrent" xlink:to="lab_meso_DeferredConsiderationNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AdjustmentsForIncreaseDecreaseInPrepayments_019f3528-b026-7002-98b1-125a66f48267_terseLabel_en-US" xlink:label="lab_meso_AdjustmentsForIncreaseDecreaseInPrepayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Increase)/decrease in prepayments</link:label>
    <link:label id="lab_meso_AdjustmentsForIncreaseDecreaseInPrepayments_label_en-US" xlink:label="lab_meso_AdjustmentsForIncreaseDecreaseInPrepayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Increase Decrease In Prepayments</link:label>
    <link:label id="lab_meso_AdjustmentsForIncreaseDecreaseInPrepayments_documentation_en-US" xlink:label="lab_meso_AdjustmentsForIncreaseDecreaseInPrepayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for (increase) decrease in prepayments to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AdjustmentsForIncreaseDecreaseInPrepayments" xlink:href="meso-20260630.xsd#meso_AdjustmentsForIncreaseDecreaseInPrepayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AdjustmentsForIncreaseDecreaseInPrepayments" xlink:to="lab_meso_AdjustmentsForIncreaseDecreaseInPrepayments" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain_019f3528-b025-7c3c-9eb5-ab66f4460c54_terseLabel_en-US" xlink:label="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title and Position [Domain]</link:label>
    <link:label id="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain_label_en-US" xlink:label="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title and Position [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_01a017a2-3477-7797-adda-3bb829076541_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of other equity instruments exercisable in share-based payment arrangement (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of other equity instruments exercisable in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ExpectedSalesVolumesMeasurementInputMember_019f3528-b0c3-7759-8cef-09a8975d7ec9_terseLabel_en-US" xlink:label="lab_meso_ExpectedSalesVolumesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected sales volumes</link:label>
    <link:label id="lab_meso_ExpectedSalesVolumesMeasurementInputMember_label_en-US" xlink:label="lab_meso_ExpectedSalesVolumesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Sales Volumes Measurement Input [Member]</link:label>
    <link:label id="lab_meso_ExpectedSalesVolumesMeasurementInputMember_documentation_en-US" xlink:label="lab_meso_ExpectedSalesVolumesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Sales Volumes Measurement Input</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpectedSalesVolumesMeasurementInputMember" xlink:href="meso-20260630.xsd#meso_ExpectedSalesVolumesMeasurementInputMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpectedSalesVolumesMeasurementInputMember" xlink:to="lab_meso_ExpectedSalesVolumesMeasurementInputMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod_019f3528-b0c3-7c7f-861d-70a68d38db16_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments for current tax of prior periods</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for current tax of prior periods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:to="lab_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MinimumRemainingFinancialCommitmentOfNonLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm_019f3528-b0c3-710e-8202-47c7729796bd_terseLabel_en-US" xlink:label="lab_meso_MinimumRemainingFinancialCommitmentOfNonLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum remaining financial commitment of non-lease component on exercise of option to extend non-cancellable term</link:label>
    <link:label id="lab_meso_MinimumRemainingFinancialCommitmentOfNonLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm_label_en-US" xlink:label="lab_meso_MinimumRemainingFinancialCommitmentOfNonLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Remaining Financial Commitment Of Non Lease Component On Exercise Of Option To Extend Non Cancellable Term</link:label>
    <link:label id="lab_meso_MinimumRemainingFinancialCommitmentOfNonLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm_documentation_en-US" xlink:label="lab_meso_MinimumRemainingFinancialCommitmentOfNonLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum remaining financial commitment of non-lease component on exercise of option to extend non-cancellable term.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MinimumRemainingFinancialCommitmentOfNonLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:href="meso-20260630.xsd#meso_MinimumRemainingFinancialCommitmentOfNonLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MinimumRemainingFinancialCommitmentOfNonLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:to="lab_meso_MinimumRemainingFinancialCommitmentOfNonLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FacilityFees_019f3528-b0c3-7a7b-8b65-d37fa29fc89b_negatedTerseLabel_en-US" xlink:label="lab_meso_FacilityFees" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Facility fee</link:label>
    <link:label id="lab_meso_FacilityFees_label_en-US" xlink:label="lab_meso_FacilityFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Facility Fees</link:label>
    <link:label id="lab_meso_FacilityFees_documentation_en-US" xlink:label="lab_meso_FacilityFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Facility Fees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FacilityFees" xlink:href="meso-20260630.xsd#meso_FacilityFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FacilityFees" xlink:to="lab_meso_FacilityFees" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfWeightedAverageOfSignificantUnobservableInputsLiabilities_019f3528-b0c3-7a5c-8a05-ee8e1e667873_terseLabel_en-US" xlink:label="lab_meso_PercentageOfWeightedAverageOfSignificantUnobservableInputsLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range of inputs (weighted average)</link:label>
    <link:label id="lab_meso_PercentageOfWeightedAverageOfSignificantUnobservableInputsLiabilities_label_en-US" xlink:label="lab_meso_PercentageOfWeightedAverageOfSignificantUnobservableInputsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Weighted Average Of Significant Unobservable Inputs Liabilities</link:label>
    <link:label id="lab_meso_PercentageOfWeightedAverageOfSignificantUnobservableInputsLiabilities_documentation_en-US" xlink:label="lab_meso_PercentageOfWeightedAverageOfSignificantUnobservableInputsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of weighted average of significant unobservable inputs liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfWeightedAverageOfSignificantUnobservableInputsLiabilities" xlink:href="meso-20260630.xsd#meso_PercentageOfWeightedAverageOfSignificantUnobservableInputsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfWeightedAverageOfSignificantUnobservableInputsLiabilities" xlink:to="lab_meso_PercentageOfWeightedAverageOfSignificantUnobservableInputsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxEffectOfForeignTaxRates_019f3528-b14c-7940-88f2-a1eacbfec437_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Differences in overseas tax rates</link:label>
    <link:label id="lab_ifrs-full_TaxEffectOfForeignTaxRates_label_en-US" xlink:label="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect of foreign tax rates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectOfForeignTaxRates" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxEffectOfForeignTaxRates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfForeignTaxRates" xlink:to="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetySixBMember_019f3528-b0c3-7caf-b215-f55600d47c85_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetySixBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">96b</link:label>
    <link:label id="lab_meso_SeriesNinetySixBMember_label_en-US" xlink:label="lab_meso_SeriesNinetySixBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Six B [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetySixBMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetySixBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Six B</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetySixBMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetySixBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetySixBMember" xlink:to="lab_meso_SeriesNinetySixBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutIncomeTaxExplanatoryTableTextBlock_019f3528-b0c3-7e61-91e5-2de8f79e8018_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutIncomeTaxExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of income tax expense/(benefit)</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutIncomeTaxExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutIncomeTaxExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Income Tax Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutIncomeTaxExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutIncomeTaxExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about income tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfDetailedInformationAboutIncomeTaxExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfDetailedInformationAboutIncomeTaxExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfDetailedInformationAboutIncomeTaxExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfDetailedInformationAboutIncomeTaxExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfIncreaseAndDecreaseInSharePrice_019f3528-b026-72f4-bf7b-4bc9cfcc45ab_terseLabel_en-US" xlink:label="lab_meso_PercentageOfIncreaseAndDecreaseInSharePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of increase and decrease in share price</link:label>
    <link:label id="lab_meso_PercentageOfIncreaseAndDecreaseInSharePrice_label_en-US" xlink:label="lab_meso_PercentageOfIncreaseAndDecreaseInSharePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Increase And Decrease In Share Price</link:label>
    <link:label id="lab_meso_PercentageOfIncreaseAndDecreaseInSharePrice_documentation_en-US" xlink:label="lab_meso_PercentageOfIncreaseAndDecreaseInSharePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Increase And Decrease In Share Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfIncreaseAndDecreaseInSharePrice" xlink:href="meso-20260630.xsd#meso_PercentageOfIncreaseAndDecreaseInSharePrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfIncreaseAndDecreaseInSharePrice" xlink:to="lab_meso_PercentageOfIncreaseAndDecreaseInSharePrice" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndLoanFunded_019f3528-b026-76ac-b322-bcfda31fffd6_terseLabel_en-US" xlink:label="lab_meso_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndLoanFunded" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average remaining contractual life of outstanding share options and loan funded</link:label>
    <link:label id="lab_meso_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndLoanFunded_label_en-US" xlink:label="lab_meso_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndLoanFunded" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Remaining Contractual Life Of Outstanding Share Options And Loan Funded</link:label>
    <link:label id="lab_meso_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndLoanFunded_documentation_en-US" xlink:label="lab_meso_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndLoanFunded" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted average remaining contractual life of outstanding share options and loan funded.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndLoanFunded" xlink:href="meso-20260630.xsd#meso_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndLoanFunded"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndLoanFunded" xlink:to="lab_meso_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndLoanFunded" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInEquity_019f3528-b0c3-7e74-8a10-22fc5fcacaee_totalLabel_en-US" xlink:label="lab_ifrs-full_ChangesInEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in equity</link:label>
    <link:label id="lab_ifrs-full_ChangesInEquity_label_en-US" xlink:label="lab_ifrs-full_ChangesInEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInEquity" xlink:to="lab_ifrs-full_ChangesInEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyNineBMember_019f3528-b0c3-73f6-98b9-ba9ecd4762a4_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyNineBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">79b</link:label>
    <link:label id="lab_meso_SeriesSeventyNineBMember_label_en-US" xlink:label="lab_meso_SeriesSeventyNineBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Nine B [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyNineBMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyNineBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Seventy Nine B</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyNineBMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyNineBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyNineBMember" xlink:to="lab_meso_SeriesSeventyNineBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInRightofuseAssetsAbstract_019f6930-ffd7-7420-a0c9-92dfb4063b67_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in right-of-use assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_ChangesInRightofuseAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_ChangesInRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes in right-of-use assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInRightofuseAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInRightofuseAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInRightofuseAssetsAbstract" xlink:to="lab_ifrs-full_ChangesInRightofuseAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_019f3528-b0c3-7323-a899-a099fb8e8bda_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_meso_DecreaseInInterestRatePercentage_019f3528-b14c-7f9d-af3d-97688e656c88_terseLabel_en-US" xlink:label="lab_meso_DecreaseInInterestRatePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate decrease</link:label>
    <link:label id="lab_meso_DecreaseInInterestRatePercentage_label_en-US" xlink:label="lab_meso_DecreaseInInterestRatePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease In Interest Rate Percentage</link:label>
    <link:label id="lab_meso_DecreaseInInterestRatePercentage_documentation_en-US" xlink:label="lab_meso_DecreaseInInterestRatePercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease in interest rate percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DecreaseInInterestRatePercentage" xlink:href="meso-20260630.xsd#meso_DecreaseInInterestRatePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DecreaseInInterestRatePercentage" xlink:to="lab_meso_DecreaseInInterestRatePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FundsInvestedWhichDerivesInterestRevenue_019f3528-b026-74b0-9533-9a5837354eea_terseLabel_en-US" xlink:label="lab_meso_FundsInvestedWhichDerivesInterestRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Funds invested</link:label>
    <link:label id="lab_meso_FundsInvestedWhichDerivesInterestRevenue_label_en-US" xlink:label="lab_meso_FundsInvestedWhichDerivesInterestRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Funds Invested Which Derives Interest Revenue</link:label>
    <link:label id="lab_meso_FundsInvestedWhichDerivesInterestRevenue_documentation_en-US" xlink:label="lab_meso_FundsInvestedWhichDerivesInterestRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Funds invested which derives interest revenue.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FundsInvestedWhichDerivesInterestRevenue" xlink:href="meso-20260630.xsd#meso_FundsInvestedWhichDerivesInterestRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FundsInvestedWhichDerivesInterestRevenue" xlink:to="lab_meso_FundsInvestedWhichDerivesInterestRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount_019f3528-b0c3-75c2-94df-763f954210a8_totalLabel_en-US" xlink:label="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Current and deferred tax relating to items credited (charged) directly to equity</link:label>
    <link:label id="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount_label_en-US" xlink:label="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current And Deferred Tax Relating To Items Charged Or Credited Amounts That Would Be Recognized Directly In Equity If Brought To Account</link:label>
    <link:label id="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount_documentation_en-US" xlink:label="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current and deferred tax relating to items charged or credited amounts that would be recognized directly in equity if brought to account.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:href="meso-20260630.xsd#meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:to="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfTradeAndOtherReceivablesAndPrepaymentsExplanatoryTableTextBlock_019f3528-b0c3-7545-ac66-23004d1c0de2_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfTradeAndOtherReceivablesAndPrepaymentsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Trade and Other Receivables and Prepayments</link:label>
    <link:label id="lab_meso_DisclosureOfTradeAndOtherReceivablesAndPrepaymentsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfTradeAndOtherReceivablesAndPrepaymentsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Trade And Other Receivables And Prepayments Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfTradeAndOtherReceivablesAndPrepaymentsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfTradeAndOtherReceivablesAndPrepaymentsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other receivables and prepayments explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfTradeAndOtherReceivablesAndPrepaymentsExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfTradeAndOtherReceivablesAndPrepaymentsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfTradeAndOtherReceivablesAndPrepaymentsExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfTradeAndOtherReceivablesAndPrepaymentsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFiftyNineMember_019f3528-b026-7b5a-9b88-70e55de48a6e_terseLabel_en-US" xlink:label="lab_meso_SeriesFiftyNineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">59</link:label>
    <link:label id="lab_meso_SeriesFiftyNineMember_label_en-US" xlink:label="lab_meso_SeriesFiftyNineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Fifty Nine [Member]</link:label>
    <link:label id="lab_meso_SeriesFiftyNineMember_documentation_en-US" xlink:label="lab_meso_SeriesFiftyNineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 59.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFiftyNineMember" xlink:href="meso-20260630.xsd#meso_SeriesFiftyNineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFiftyNineMember" xlink:to="lab_meso_SeriesFiftyNineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossLoanCommitments_019f3528-af4f-79bb-be7f-e884519d91eb_negatedLabel_en-US" xlink:label="lab_ifrs-full_GrossLoanCommitments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_GrossLoanCommitments_label_en-US" xlink:label="lab_ifrs-full_GrossLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross loan commitments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossLoanCommitments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossLoanCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossLoanCommitments" xlink:to="lab_ifrs-full_GrossLoanCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_019f3528-b026-7617-8af8-83e48845c57f_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_meso_GainsLossesOnRemeasurementOfContingentConsiderationMilestonePayment_019f3528-b025-7a22-9d93-445d83175010_terseLabel_en-US" xlink:label="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationMilestonePayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of contingent consideration, milestone payment</link:label>
    <link:label id="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationMilestonePayment_label_en-US" xlink:label="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationMilestonePayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">(Gains) Losses On Remeasurement Of Contingent Consideration, Milestone Payment</link:label>
    <link:label id="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationMilestonePayment_documentation_en-US" xlink:label="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationMilestonePayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">(Gains) Losses On Remeasurement Of Contingent Consideration, Milestone Payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_GainsLossesOnRemeasurementOfContingentConsiderationMilestonePayment" xlink:href="meso-20260630.xsd#meso_GainsLossesOnRemeasurementOfContingentConsiderationMilestonePayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_GainsLossesOnRemeasurementOfContingentConsiderationMilestonePayment" xlink:to="lab_meso_GainsLossesOnRemeasurementOfContingentConsiderationMilestonePayment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_019f3528-af4f-78ac-94a4-a799f5ac93aa_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Fair Value Measurement Of Assets [Line Items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value measurement of assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CentralAdelaideLocalHealthNetworkIncorporatedMember_019f3528-b0c3-71ff-af2a-b2efbfcd8192_terseLabel_en-US" xlink:label="lab_meso_CentralAdelaideLocalHealthNetworkIncorporatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CALHNI</link:label>
    <link:label id="lab_meso_CentralAdelaideLocalHealthNetworkIncorporatedMember_label_en-US" xlink:label="lab_meso_CentralAdelaideLocalHealthNetworkIncorporatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Central Adelaide Local Health Network Incorporated [Member]</link:label>
    <link:label id="lab_meso_CentralAdelaideLocalHealthNetworkIncorporatedMember_documentation_en-US" xlink:label="lab_meso_CentralAdelaideLocalHealthNetworkIncorporatedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Central Adelaide Local Health Network Incorporated.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CentralAdelaideLocalHealthNetworkIncorporatedMember" xlink:href="meso-20260630.xsd#meso_CentralAdelaideLocalHealthNetworkIncorporatedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CentralAdelaideLocalHealthNetworkIncorporatedMember" xlink:to="lab_meso_CentralAdelaideLocalHealthNetworkIncorporatedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAbstract_019f3528-af4f-796b-9458-f0069322cc2b_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 (loss)/income</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_ifrs-full_AmortisationExpense_019f3528-b0c3-7185-848e-1e0b6e3bec31_terseLabel_en-US" xlink:label="lab_ifrs-full_AmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortisation expense</link:label>
    <link:label id="lab_ifrs-full_AmortisationExpense_019f3528-b0c3-7836-a1df-567d73435471_negatedLabel_en-US" xlink:label="lab_ifrs-full_AmortisationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Amortization of currently marketed intangible assets</link:label>
    <link:label id="lab_ifrs-full_AmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_AmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmortisationExpense" xlink:to="lab_ifrs-full_AmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_country_CH_019f3528-b14c-7082-9ed7-f5c7da067186_terseLabel_en-US" xlink:label="lab_country_CH" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swiss government</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_ifrs-full_ClassesOfShareCapitalDomain_019f3528-af4f-7630-b1f8-551c72fbd2b6_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"/>
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    <link:label id="lab_meso_DisclosureOfFinancialRiskManagementAbstract_019f3528-b026-7741-adc3-3c4b2f680006_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfFinancialRiskManagementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Risk Management [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialRiskManagementAbstract_label_en-US" xlink:label="lab_meso_DisclosureOfFinancialRiskManagementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Risk Management [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialRiskManagementAbstract_documentation_en-US" xlink:label="lab_meso_DisclosureOfFinancialRiskManagementAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of financial risk management.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfFinancialRiskManagementAbstract" xlink:href="meso-20260630.xsd#meso_DisclosureOfFinancialRiskManagementAbstract"/>
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    <link:label id="lab_meso_SeriesFiftySixMember_019f3528-af4f-761e-bffe-3e9ed4e2514c_terseLabel_en-US" xlink:label="lab_meso_SeriesFiftySixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">56</link:label>
    <link:label id="lab_meso_SeriesFiftySixMember_label_en-US" xlink:label="lab_meso_SeriesFiftySixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Fifty Six [Member]</link:label>
    <link:label id="lab_meso_SeriesFiftySixMember_documentation_en-US" xlink:label="lab_meso_SeriesFiftySixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 56.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFiftySixMember" xlink:href="meso-20260630.xsd#meso_SeriesFiftySixMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFiftySixMember" xlink:to="lab_meso_SeriesFiftySixMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncreaseDecreaseInDeferredTaxAssets_019f3528-af4f-785c-89ff-784fafefb4b0_terseLabel_en-US" xlink:label="lab_meso_IncreaseDecreaseInDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Increase)/decrease in deferred tax assets</link:label>
    <link:label id="lab_meso_IncreaseDecreaseInDeferredTaxAssets_label_en-US" xlink:label="lab_meso_IncreaseDecreaseInDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease In Deferred Tax Assets</link:label>
    <link:label id="lab_meso_IncreaseDecreaseInDeferredTaxAssets_documentation_en-US" xlink:label="lab_meso_IncreaseDecreaseInDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase decrease in deferred tax assets.</link:label>
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    <link:label id="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_019f3528-b026-720e-a3bb-f8fe1a680188_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">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"/>
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    <link:label id="lab_meso_ExpiryTermOfOptions_019f3528-af4f-7aa2-85dd-871078c522a4_terseLabel_en-US" xlink:label="lab_meso_ExpiryTermOfOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expiry term of options</link:label>
    <link:label id="lab_meso_ExpiryTermOfOptions_label_en-US" xlink:label="lab_meso_ExpiryTermOfOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expiry Term Of Options</link:label>
    <link:label id="lab_meso_ExpiryTermOfOptions_documentation_en-US" xlink:label="lab_meso_ExpiryTermOfOptions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expiry term of options.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpiryTermOfOptions" xlink:href="meso-20260630.xsd#meso_ExpiryTermOfOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpiryTermOfOptions" xlink:to="lab_meso_ExpiryTermOfOptions" xlink:type="arc" order="1"/>
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    <link:label id="lab_meso_AdjustmentsForLossesGainsOnDisposalOfIntangibleAssets_label_en-US" xlink:label="lab_meso_AdjustmentsForLossesGainsOnDisposalOfIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Losses (Gains) On Disposal Of Intangible Assets</link:label>
    <link:label id="lab_meso_AdjustmentsForLossesGainsOnDisposalOfIntangibleAssets_documentation_en-US" xlink:label="lab_meso_AdjustmentsForLossesGainsOnDisposalOfIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments For Losses (Gains) On Disposal Of Intangible Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AdjustmentsForLossesGainsOnDisposalOfIntangibleAssets" xlink:href="meso-20260630.xsd#meso_AdjustmentsForLossesGainsOnDisposalOfIntangibleAssets"/>
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    <link:label id="lab_ifrs-full_Prepayments_019f3528-b026-7d21-a044-136664c6547b_totalLabel_en-US" xlink:label="lab_ifrs-full_Prepayments" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Prepayments</link:label>
    <link:label id="lab_ifrs-full_Prepayments_label_en-US" xlink:label="lab_ifrs-full_Prepayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepayments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Prepayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Prepayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Prepayments" xlink:to="lab_ifrs-full_Prepayments" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseLineItems_019f3528-b0c3-760c-b79e-95cc3adcd661_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Effective Income Tax Expense [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseLineItems_label_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Effective Income Tax Expense [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseLineItems_documentation_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of effective income tax expense.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseLineItems" xlink:href="meso-20260630.xsd#meso_DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseLineItems"/>
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    <link:label id="lab_ifrs-full_SalesChannelsAxis_019f3528-b0c3-7ff4-a2ae-2415d35ed70b_terseLabel_en-US" xlink:label="lab_ifrs-full_SalesChannelsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales channels [axis]</link:label>
    <link:label id="lab_ifrs-full_SalesChannelsAxis_label_en-US" xlink:label="lab_ifrs-full_SalesChannelsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales channels [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SalesChannelsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesChannelsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesChannelsAxis" xlink:to="lab_ifrs-full_SalesChannelsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_country_AU_019f3528-b0c3-78fa-ae1f-b68f9aa1596f_terseLabel_en-US" xlink:label="lab_country_AU" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Australian government</link:label>
    <link:label id="lab_country_AU_label_en-US" xlink:label="lab_country_AU" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AUSTRALIA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_AU" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_AU"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_AU" xlink:to="lab_country_AU" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NovaQuestCapitalManagementLLCMember_019f3528-b14c-70df-a325-ae432fd8bfb7_terseLabel_en-US" xlink:label="lab_meso_NovaQuestCapitalManagementLLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NovaQuest Capital Management, L.L.C.</link:label>
    <link:label id="lab_meso_NovaQuestCapitalManagementLLCMember_019f3528-b14c-7330-a64e-75bf2296d7fb_verboseLabel_en-US" xlink:label="lab_meso_NovaQuestCapitalManagementLLCMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Borrowings - NovaQuest</link:label>
    <link:label id="lab_meso_NovaQuestCapitalManagementLLCMember_label_en-US" xlink:label="lab_meso_NovaQuestCapitalManagementLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nova Quest Capital Management L L C [Member]</link:label>
    <link:label id="lab_meso_NovaQuestCapitalManagementLLCMember_documentation_en-US" xlink:label="lab_meso_NovaQuestCapitalManagementLLCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">NovaQuest Capital Management, L.L.C.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NovaQuestCapitalManagementLLCMember" xlink:href="meso-20260630.xsd#meso_NovaQuestCapitalManagementLLCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NovaQuestCapitalManagementLLCMember" xlink:to="lab_meso_NovaQuestCapitalManagementLLCMember" xlink:type="arc" order="1"/>
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    <link:label id="lab_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of amounts that would be recognized directly in equity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityExplanatoryTableTextBlock"/>
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    <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"/>
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    <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>
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    <link:label id="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract_019f3528-b025-7004-9529-bf94af9a0da8_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(c) Reconciliation of (losses) used in calculating (losses) per share</link:label>
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    <link:label id="lab_meso_IncomeStatementLocationsDomain_documentation_en-US" xlink:label="lab_meso_IncomeStatementLocationsDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Statement Locations [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncomeStatementLocationsDomain" xlink:href="meso-20260630.xsd#meso_IncomeStatementLocationsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncomeStatementLocationsDomain" xlink:to="lab_meso_IncomeStatementLocationsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetyFourMember_019f3528-b0c3-7b72-9d86-1b8bc5455b76_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetyFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">94</link:label>
    <link:label id="lab_meso_SeriesNinetyFourMember_label_en-US" xlink:label="lab_meso_SeriesNinetyFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Four [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetyFourMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetyFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetyFourMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetyFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetyFourMember" xlink:to="lab_meso_SeriesNinetyFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyFourAMember_019f3528-b0c3-7b9b-884f-f2c981475075_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyFourAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">74a</link:label>
    <link:label id="lab_meso_SeriesSeventyFourAMember_label_en-US" xlink:label="lab_meso_SeriesSeventyFourAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Four A [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyFourAMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyFourAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 74a.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyFourAMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyFourAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyFourAMember" xlink:to="lab_meso_SeriesSeventyFourAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019f3528-b0c3-7ae7-90da-84fd1b1f2982_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019f3528-b0c3-71be-b945-17b9d95cce73_negatedPeriodStartLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">Leases at beginning of period</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019f3528-b0c3-7126-9657-9452aede59cb_negatedPeriodEndLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">Leases at end of period</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019f3528-b0c3-71e2-ad94-6806dea055e7_totalLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities included in the balance sheet</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_meso_AuditorsRemunerationAuditAndOtherAssuranceServices_01a0221a-4362-704f-93e1-f593b0c53f5e_totalLabel_en-US" xlink:label="lab_meso_AuditorsRemunerationAuditAndOtherAssuranceServices" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total audit and other assurance services</link:label>
    <link:label id="lab_meso_AuditorsRemunerationAuditAndOtherAssuranceServices_label_en-US" xlink:label="lab_meso_AuditorsRemunerationAuditAndOtherAssuranceServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's Remuneration, Audit And Other Assurance Services</link:label>
    <link:label id="lab_meso_AuditorsRemunerationAuditAndOtherAssuranceServices_documentation_en-US" xlink:label="lab_meso_AuditorsRemunerationAuditAndOtherAssuranceServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Auditor's Remuneration, Audit And Other Assurance Services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AuditorsRemunerationAuditAndOtherAssuranceServices" xlink:href="meso-20260630.xsd#meso_AuditorsRemunerationAuditAndOtherAssuranceServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AuditorsRemunerationAuditAndOtherAssuranceServices" xlink:to="lab_meso_AuditorsRemunerationAuditAndOtherAssuranceServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingCostsCapitalised_019f3528-b0c3-73a5-88f2-517e5938ef8d_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of carrying amount, net of payments made</link:label>
    <link:label id="lab_ifrs-full_BorrowingCostsCapitalised_label_en-US" xlink:label="lab_ifrs-full_BorrowingCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing costs capitalised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingCostsCapitalised" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingCostsCapitalised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingCostsCapitalised" xlink:to="lab_ifrs-full_BorrowingCostsCapitalised" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BorrowingsAmortizationOverPeriodPercentageOfPrincipal_019f3528-af4f-72d4-b9cd-20e11023be97_terseLabel_en-US" xlink:label="lab_meso_BorrowingsAmortizationOverPeriodPercentageOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of principal amortizes over two years</link:label>
    <link:label id="lab_meso_BorrowingsAmortizationOverPeriodPercentageOfPrincipal_label_en-US" xlink:label="lab_meso_BorrowingsAmortizationOverPeriodPercentageOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Amortization Over Period, Percentage Of Principal</link:label>
    <link:label id="lab_meso_BorrowingsAmortizationOverPeriodPercentageOfPrincipal_documentation_en-US" xlink:label="lab_meso_BorrowingsAmortizationOverPeriodPercentageOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of principal amortizes over period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BorrowingsAmortizationOverPeriodPercentageOfPrincipal" xlink:href="meso-20260630.xsd#meso_BorrowingsAmortizationOverPeriodPercentageOfPrincipal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BorrowingsAmortizationOverPeriodPercentageOfPrincipal" xlink:to="lab_meso_BorrowingsAmortizationOverPeriodPercentageOfPrincipal" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndSixMember_019f3528-b0c3-7971-8c3d-49c669c74e40_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndSixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">106</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndSixMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndSixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Six [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndSixMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndSixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Six</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndSixMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndSixMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndSixMember" xlink:to="lab_meso_SeriesOneHundredAndSixMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis_019f3528-b14c-76f4-a950-9fd18acbc53f_terseLabel_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Timing of transfer of goods or services [axis]</link:label>
    <link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis_label_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Timing of transfer of goods or services [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:to="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesThirtyFiveAMember_019f3528-b0c3-7df7-a472-74d10697fc99_terseLabel_en-US" xlink:label="lab_meso_SeriesThirtyFiveAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">35a</link:label>
    <link:label id="lab_meso_SeriesThirtyFiveAMember_label_en-US" xlink:label="lab_meso_SeriesThirtyFiveAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Thirty Five A [Member]</link:label>
    <link:label id="lab_meso_SeriesThirtyFiveAMember_documentation_en-US" xlink:label="lab_meso_SeriesThirtyFiveAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 35a.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesThirtyFiveAMember" xlink:href="meso-20260630.xsd#meso_SeriesThirtyFiveAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesThirtyFiveAMember" xlink:to="lab_meso_SeriesThirtyFiveAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_019f3528-b026-7fd3-9943-469bfe1c37c4_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_InvestmentRevaluationReserveMember_019f3528-af4f-7d8d-b69c-80fe79e36bdc_terseLabel_en-US" xlink:label="lab_meso_InvestmentRevaluationReserveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Revaluation Reserve</link:label>
    <link:label id="lab_meso_InvestmentRevaluationReserveMember_label_en-US" xlink:label="lab_meso_InvestmentRevaluationReserveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Revaluation Reserve [Member]</link:label>
    <link:label id="lab_meso_InvestmentRevaluationReserveMember_documentation_en-US" xlink:label="lab_meso_InvestmentRevaluationReserveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment revaluation reserve.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_InvestmentRevaluationReserveMember" xlink:href="meso-20260630.xsd#meso_InvestmentRevaluationReserveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_InvestmentRevaluationReserveMember" xlink:to="lab_meso_InvestmentRevaluationReserveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill_019f3528-b0c3-7ef7-856e-5ad90540ab61_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassifications</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PatentAndLicenseMember_019f3528-b0c3-7292-9575-627ee1c05f67_terseLabel_en-US" xlink:label="lab_meso_PatentAndLicenseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Licenses to patents</link:label>
    <link:label id="lab_meso_PatentAndLicenseMember_label_en-US" xlink:label="lab_meso_PatentAndLicenseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Patent And License [Member]</link:label>
    <link:label id="lab_meso_PatentAndLicenseMember_documentation_en-US" xlink:label="lab_meso_PatentAndLicenseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Patent and license.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PatentAndLicenseMember" xlink:href="meso-20260630.xsd#meso_PatentAndLicenseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PatentAndLicenseMember" xlink:to="lab_meso_PatentAndLicenseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory_019f3528-b026-780e-bd17-d43dda1cb7dd_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other receivables</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for trade and other receivables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects_019f3528-b026-74a1-8392-a28f388e7411_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Losses) attributable to the ordinary equity holders of the company used in calculating diluted losses per share</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to ordinary equity holders of parent entity, used in calculating diluted earnings per share</link:label>
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    <link:label id="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiabilities_019f3528-af4f-7134-9cf7-c9732d9485b9_terseLabel_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ten percent of increase in share rice, derivative financial liabilities</link:label>
    <link:label id="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Increase In Risk Variable, Impact On Earnings, Derivative Financial Liabilities</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiabilities" xlink:href="meso-20260630.xsd#meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiabilities" xlink:to="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_December2022WarrantsMember_019f3528-b026-7578-ae60-2aff27658e2c_terseLabel_en-US" xlink:label="lab_meso_December2022WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">December 2022 Warrants</link:label>
    <link:label id="lab_meso_December2022WarrantsMember_label_en-US" xlink:label="lab_meso_December2022WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">December 2022 Warrants [Member]</link:label>
    <link:label id="lab_meso_December2022WarrantsMember_documentation_en-US" xlink:label="lab_meso_December2022WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">December 2022 Warrants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_December2022WarrantsMember" xlink:href="meso-20260630.xsd#meso_December2022WarrantsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_December2022WarrantsMember" xlink:to="lab_meso_December2022WarrantsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_019f3528-b0c3-7570-a904-01de732112b0_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" 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</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CommitmentsAbstract_019f3528-b0c3-70ff-bf19-3b828647f385_terseLabel_en-US" xlink:label="lab_meso_CommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments [Abstract]</link:label>
    <link:label id="lab_meso_CommitmentsAbstract_label_en-US" xlink:label="lab_meso_CommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments [Abstract]</link:label>
    <link:label id="lab_meso_CommitmentsAbstract_documentation_en-US" xlink:label="lab_meso_CommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CommitmentsAbstract" xlink:href="meso-20260630.xsd#meso_CommitmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CommitmentsAbstract" xlink:to="lab_meso_CommitmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapital_019f3528-b026-7fcb-a6e7-48b9928127d2_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">Issued 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_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems_019f3528-b0c3-71ef-9ccd-4630c7b8ddf8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Liabilities Arising From Financing Activities [Line Items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ReceivablesFromOtherParties_019f3528-b14c-7618-825b-31ffd06bb078_terseLabel_en-US" xlink:label="lab_meso_ReceivablesFromOtherParties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivable from other parties (non-rated)</link:label>
    <link:label id="lab_meso_ReceivablesFromOtherParties_label_en-US" xlink:label="lab_meso_ReceivablesFromOtherParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables From Other Parties</link:label>
    <link:label id="lab_meso_ReceivablesFromOtherParties_documentation_en-US" xlink:label="lab_meso_ReceivablesFromOtherParties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Receivables from other parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ReceivablesFromOtherParties" xlink:href="meso-20260630.xsd#meso_ReceivablesFromOtherParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ReceivablesFromOtherParties" xlink:to="lab_meso_ReceivablesFromOtherParties" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised_019f3528-b0c3-7db7-958f-f7df7e7dc81c_terseLabel_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Potential tax benefit at local tax rates</link:label>
    <link:label id="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised_label_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unused tax losses for which no deferred tax asset recognised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:to="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_019f3528-b0c3-7217-9197-ffd350b241fb_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfer of exercised options</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_019f3528-b0c3-7d52-86e0-fbe1f5a274da_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Exercise of share options</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through exercise of options, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_LetterOfCreditsMember_019f3528-b026-7d1f-ace9-a455be8023f5_terseLabel_en-US" xlink:label="lab_meso_LetterOfCreditsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letter of credit</link:label>
    <link:label id="lab_meso_LetterOfCreditsMember_label_en-US" xlink:label="lab_meso_LetterOfCreditsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letter Of Credits [Member]</link:label>
    <link:label id="lab_meso_LetterOfCreditsMember_documentation_en-US" xlink:label="lab_meso_LetterOfCreditsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Letter of credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_LetterOfCreditsMember" xlink:href="meso-20260630.xsd#meso_LetterOfCreditsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_LetterOfCreditsMember" xlink:to="lab_meso_LetterOfCreditsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MilestoneRevenue_019f3528-b0c3-75a3-8f2f-9f00cef22998_verboseLabel_en-US" xlink:label="lab_meso_MilestoneRevenue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Milestone revenue</link:label>
    <link:label id="lab_meso_MilestoneRevenue_label_en-US" xlink:label="lab_meso_MilestoneRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Milestone Revenue</link:label>
    <link:label id="lab_meso_MilestoneRevenue_documentation_en-US" xlink:label="lab_meso_MilestoneRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Milestone revenue relates to milestone payment, the receipt of which is dependent upon the achievement of certain clinical, regulatory or commercial milestones.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MilestoneRevenue" xlink:href="meso-20260630.xsd#meso_MilestoneRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MilestoneRevenue" xlink:to="lab_meso_MilestoneRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_019f3528-b026-77bb-9b7a-9bf74f739b5d_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_meso_SeriesFortyTwoMember_019f3528-b14c-7fec-89db-03f8909a81cc_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">42</link:label>
    <link:label id="lab_meso_SeriesFortyTwoMember_label_en-US" xlink:label="lab_meso_SeriesFortyTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Two [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyTwoMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 42.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyTwoMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyTwoMember" xlink:to="lab_meso_SeriesFortyTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain_019f3528-b0c3-705a-beba-579f67b9535b_terseLabel_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Timing of transfer of goods or services [domain]</link:label>
    <link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain_label_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Timing of transfer of goods or services [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain" xlink:to="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetySevenDMember_019f3528-b0c3-75a3-8e51-381aa7cac1f8_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetySevenDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">97d</link:label>
    <link:label id="lab_meso_SeriesNinetySevenDMember_label_en-US" xlink:label="lab_meso_SeriesNinetySevenDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Seven D [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetySevenDMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetySevenDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Seven D</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetySevenDMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetySevenDMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetySevenDMember" xlink:to="lab_meso_SeriesNinetySevenDMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CurrentProvisionsAndOtherCurrentLiabilities_019f3528-b0c3-7274-aaa8-6e9fe5165c70_terseLabel_en-US" xlink:label="lab_meso_CurrentProvisionsAndOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions and other liabilities</link:label>
    <link:label id="lab_meso_CurrentProvisionsAndOtherCurrentLiabilities_019f3528-b0c3-7df2-925d-26afe3d395f7_verboseLabel_en-US" xlink:label="lab_meso_CurrentProvisionsAndOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_meso_CurrentProvisionsAndOtherCurrentLiabilities_label_en-US" xlink:label="lab_meso_CurrentProvisionsAndOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Provisions And Other Current Liabilities</link:label>
    <link:label id="lab_meso_CurrentProvisionsAndOtherCurrentLiabilities_documentation_en-US" xlink:label="lab_meso_CurrentProvisionsAndOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Provisions And Other Current Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CurrentProvisionsAndOtherCurrentLiabilities" xlink:href="meso-20260630.xsd#meso_CurrentProvisionsAndOtherCurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CurrentProvisionsAndOtherCurrentLiabilities" xlink:to="lab_meso_CurrentProvisionsAndOtherCurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesExplanatoryTextBlock_019f3528-b14c-7bf2-99e2-66409c7b9006_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent assets and liabilities</link:label>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesExplanatoryTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Contingent Assets And Liabilities Explanatory [Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesExplanatoryTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of contingent assets and liabilities explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfContingentAssetsAndLiabilitiesExplanatoryTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfContingentAssetsAndLiabilitiesExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfContingentAssetsAndLiabilitiesExplanatoryTextBlock" xlink:to="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_019f3528-b0c3-7e24-967a-976684ab7d35_totalLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Contributed Equity (in shares)</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_meso_TransactionCostsArisingOnShareIssueShare_019f3528-b0c3-73e4-9802-0062c6b9b2aa_terseLabel_en-US" xlink:label="lab_meso_TransactionCostsArisingOnShareIssueShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transaction costs arising on share issue share (in shares)</link:label>
    <link:label id="lab_meso_TransactionCostsArisingOnShareIssueShare_label_en-US" xlink:label="lab_meso_TransactionCostsArisingOnShareIssueShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transaction Costs Arising On Share Issue, Share</link:label>
    <link:label id="lab_meso_TransactionCostsArisingOnShareIssueShare_documentation_en-US" xlink:label="lab_meso_TransactionCostsArisingOnShareIssueShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transaction Costs Arising On Share Issue, Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TransactionCostsArisingOnShareIssueShare" xlink:href="meso-20260630.xsd#meso_TransactionCostsArisingOnShareIssueShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TransactionCostsArisingOnShareIssueShare" xlink:to="lab_meso_TransactionCostsArisingOnShareIssueShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProductsAndServicesAxis_019f3528-b026-73c2-8ed7-ca71c743ddb8_terseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and services [axis]</link:label>
    <link:label id="lab_ifrs-full_ProductsAndServicesAxis_label_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and services [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProductsAndServicesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProductsAndServicesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProductsAndServicesAxis" xlink:to="lab_ifrs-full_ProductsAndServicesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTemporaryDifferencesMember_019f3528-b026-705b-8ed4-3033ec6710ad_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Temporary Differences (DTA)</link:label>
    <link:label id="lab_ifrs-full_OtherTemporaryDifferencesMember_label_en-US" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other temporary differences [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:to="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SubTotalAbstract_019f3528-b0c3-79e6-b8b2-871526100a82_terseLabel_en-US" xlink:label="lab_meso_SubTotalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sub-total</link:label>
    <link:label id="lab_meso_SubTotalAbstract_label_en-US" xlink:label="lab_meso_SubTotalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sub-Total [Abstract]</link:label>
    <link:label id="lab_meso_SubTotalAbstract_documentation_en-US" xlink:label="lab_meso_SubTotalAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sub-Total</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SubTotalAbstract" xlink:href="meso-20260630.xsd#meso_SubTotalAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SubTotalAbstract" xlink:to="lab_meso_SubTotalAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilities_019f3528-b0c3-732d-8937-bfdccabac5db_totalLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities, Total</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilities_019f3528-b0c3-7051-a926-bb2c5b73f1db_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_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_meso_KeyManagementPersonnelCompensationMonthlyRetainerFee_019f3528-b026-7576-8d4e-97be7aa7a962_terseLabel_en-US" xlink:label="lab_meso_KeyManagementPersonnelCompensationMonthlyRetainerFee" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Monthly retainer fee</link:label>
    <link:label id="lab_meso_KeyManagementPersonnelCompensationMonthlyRetainerFee_label_en-US" xlink:label="lab_meso_KeyManagementPersonnelCompensationMonthlyRetainerFee" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, Monthly Retainer Fee</link:label>
    <link:label id="lab_meso_KeyManagementPersonnelCompensationMonthlyRetainerFee_documentation_en-US" xlink:label="lab_meso_KeyManagementPersonnelCompensationMonthlyRetainerFee" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, Monthly Retainer Fee</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_KeyManagementPersonnelCompensationMonthlyRetainerFee" xlink:href="meso-20260630.xsd#meso_KeyManagementPersonnelCompensationMonthlyRetainerFee"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_KeyManagementPersonnelCompensationMonthlyRetainerFee" xlink:to="lab_meso_KeyManagementPersonnelCompensationMonthlyRetainerFee" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems_019f3528-b026-7455-96bc-321a99926de6_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_IncomeTaxExpenseContinuingOperations_019f3528-b0c3-7a94-81b1-2fb1fb23d3a5_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income tax (expense)/benefit</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_019f3528-b0c3-7e50-8335-34b7d9aebc98_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">Income tax expense/(benefit) attributable to loss before income tax</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_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodAbstract_019f3528-b0c3-7951-bd62-e94c3c8e3e07_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Significant Changes In Current Reporting Period [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodAbstract_label_en-US" xlink:label="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Significant Changes In Current Reporting Period [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodAbstract_documentation_en-US" xlink:label="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of significant changes in current reporting period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodAbstract" xlink:href="meso-20260630.xsd#meso_DisclosureOfSignificantChangesInCurrentReportingPeriodAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodAbstract" xlink:to="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfMovementsOfSharesInShareTrustTable_019f3528-af4f-77b3-b624-ad9a7494bd32_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfMovementsOfSharesInShareTrustTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Movements Of Shares In Share Trust [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfMovementsOfSharesInShareTrustTable_label_en-US" xlink:label="lab_meso_DisclosureOfMovementsOfSharesInShareTrustTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Movements Of Shares In Share Trust [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfMovementsOfSharesInShareTrustTable_documentation_en-US" xlink:label="lab_meso_DisclosureOfMovementsOfSharesInShareTrustTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of movements of shares in share trust.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfMovementsOfSharesInShareTrustTable" xlink:href="meso-20260630.xsd#meso_DisclosureOfMovementsOfSharesInShareTrustTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfMovementsOfSharesInShareTrustTable" xlink:to="lab_meso_DisclosureOfMovementsOfSharesInShareTrustTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ExpectedVolatilityContingentConsiderationValuation_01a0360d-7361-71a3-ad0c-3c4e6bf5662b_terseLabel_en-US" xlink:label="lab_meso_ExpectedVolatilityContingentConsiderationValuation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Volatility</link:label>
    <link:label id="lab_meso_ExpectedVolatilityContingentConsiderationValuation_label_en-US" xlink:label="lab_meso_ExpectedVolatilityContingentConsiderationValuation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Volatility, Contingent Consideration Valuation</link:label>
    <link:label id="lab_meso_ExpectedVolatilityContingentConsiderationValuation_documentation_en-US" xlink:label="lab_meso_ExpectedVolatilityContingentConsiderationValuation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Volatility, Contingent Consideration Valuation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpectedVolatilityContingentConsiderationValuation" xlink:href="meso-20260630.xsd#meso_ExpectedVolatilityContingentConsiderationValuation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpectedVolatilityContingentConsiderationValuation" xlink:to="lab_meso_ExpectedVolatilityContingentConsiderationValuation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCashFlowStatementExplanatory_019f3528-b026-7936-a63e-7283707f4cbe_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow information</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCashFlowStatementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of cash flow statement [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCashFlowStatementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatoryPolicyTextBlock_019f3528-b026-798f-b5b5-6f2aa2209449_terseLabel_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principles of consolidation</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Principles Of Consolidation Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description of accounting policy for principles of consolidation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatoryPolicyTextBlock" xlink:href="meso-20260630.xsd#meso_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatoryPolicyTextBlock" xlink:to="lab_meso_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_019f3528-b0c3-73d7-8b7d-f3e7b73bf828_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 occurring 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_meso_BasisOfPreparationAbstract_019f3528-b0c3-7a49-a4d2-f704d2c4bac2_terseLabel_en-US" xlink:label="lab_meso_BasisOfPreparationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis Of Preparation [Abstract]</link:label>
    <link:label id="lab_meso_BasisOfPreparationAbstract_label_en-US" xlink:label="lab_meso_BasisOfPreparationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis Of Preparation [Abstract]</link:label>
    <link:label id="lab_meso_BasisOfPreparationAbstract_documentation_en-US" xlink:label="lab_meso_BasisOfPreparationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basis of preparation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BasisOfPreparationAbstract" xlink:href="meso-20260630.xsd#meso_BasisOfPreparationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BasisOfPreparationAbstract" xlink:to="lab_meso_BasisOfPreparationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyFourMember_019f3528-b0c3-70f3-8275-2de2a98a9ccf_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">74</link:label>
    <link:label id="lab_meso_SeriesSeventyFourMember_label_en-US" xlink:label="lab_meso_SeriesSeventyFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Four [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyFourMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 74.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyFourMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyFourMember" xlink:to="lab_meso_SeriesSeventyFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PrivatePlacementOfSharesMember_019f3528-b026-7223-83be-579f6993df0a_terseLabel_en-US" xlink:label="lab_meso_PrivatePlacementOfSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private placement of shares</link:label>
    <link:label id="lab_meso_PrivatePlacementOfSharesMember_label_en-US" xlink:label="lab_meso_PrivatePlacementOfSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Placement Of Shares [Member]</link:label>
    <link:label id="lab_meso_PrivatePlacementOfSharesMember_documentation_en-US" xlink:label="lab_meso_PrivatePlacementOfSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Private placement of shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PrivatePlacementOfSharesMember" xlink:href="meso-20260630.xsd#meso_PrivatePlacementOfSharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PrivatePlacementOfSharesMember" xlink:to="lab_meso_PrivatePlacementOfSharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentTransitionReport_019f3528-b025-70fd-86f4-26acef088d3a_terseLabel_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Transition Report</link:label>
    <link:label id="lab_dei_DocumentTransitionReport_label_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Transition Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentTransitionReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentTransitionReport" xlink:to="lab_dei_DocumentTransitionReport" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetyTwoMember_019f3528-b14c-7dcf-a488-eb90d226ae12_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetyTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">92</link:label>
    <link:label id="lab_meso_SeriesNinetyTwoMember_label_en-US" xlink:label="lab_meso_SeriesNinetyTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Two [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetyTwoMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetyTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetyTwoMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetyTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetyTwoMember" xlink:to="lab_meso_SeriesNinetyTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndSixteenMember_019fd8b5-0128-7bb0-ae77-2d3b608be37b_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndSixteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">116</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndSixteenMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndSixteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Sixteen [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndSixteenMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndSixteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Sixteen</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndSixteenMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndSixteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndSixteenMember" xlink:to="lab_meso_SeriesOneHundredAndSixteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherReceivables_019f3528-b0c3-7a1d-84bf-96e076c8d0a1_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade &amp; other receivables</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherReceivables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherReceivables" xlink:to="lab_ifrs-full_TradeAndOtherReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesEightyNineMember_019f3528-b026-7f80-bf6e-49e5d84811e9_terseLabel_en-US" xlink:label="lab_meso_SeriesEightyNineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">89</link:label>
    <link:label id="lab_meso_SeriesEightyNineMember_label_en-US" xlink:label="lab_meso_SeriesEightyNineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty Nine [Member]</link:label>
    <link:label id="lab_meso_SeriesEightyNineMember_documentation_en-US" xlink:label="lab_meso_SeriesEightyNineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty Nine</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightyNineMember" xlink:href="meso-20260630.xsd#meso_SeriesEightyNineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightyNineMember" xlink:to="lab_meso_SeriesEightyNineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_019f3528-b025-7b28-9031-5576b68a6f8e_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 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_meso_CommitmentsLineItems_019f3528-af4f-7c76-84ea-f7654cd53ad1_terseLabel_en-US" xlink:label="lab_meso_CommitmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments [Line Items]</link:label>
    <link:label id="lab_meso_CommitmentsLineItems_label_en-US" xlink:label="lab_meso_CommitmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments [Line Items]</link:label>
    <link:label id="lab_meso_CommitmentsLineItems_documentation_en-US" xlink:label="lab_meso_CommitmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CommitmentsLineItems" xlink:href="meso-20260630.xsd#meso_CommitmentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CommitmentsLineItems" xlink:to="lab_meso_CommitmentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfFinancialRiskManagementTable_019f3528-b0c3-75ae-a5ac-4467cb8fedcc_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfFinancialRiskManagementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Risk Management [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialRiskManagementTable_label_en-US" xlink:label="lab_meso_DisclosureOfFinancialRiskManagementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Risk Management [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialRiskManagementTable_documentation_en-US" xlink:label="lab_meso_DisclosureOfFinancialRiskManagementTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of financial risk management.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfFinancialRiskManagementTable" xlink:href="meso-20260630.xsd#meso_DisclosureOfFinancialRiskManagementTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfFinancialRiskManagementTable" xlink:to="lab_meso_DisclosureOfFinancialRiskManagementTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ContingentConsiderations_019f3528-b026-7fc6-85a2-c4e12fc0c174_terseLabel_en-US" xlink:label="lab_meso_ContingentConsiderations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_meso_ContingentConsiderations_019f3528-b026-7eff-8496-092136ac7375_verboseLabel_en-US" xlink:label="lab_meso_ContingentConsiderations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_meso_ContingentConsiderations_019f3528-b026-7a47-b194-a964e3638c85_totalLabel_en-US" xlink:label="lab_meso_ContingentConsiderations" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_meso_ContingentConsiderations_label_en-US" xlink:label="lab_meso_ContingentConsiderations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Considerations</link:label>
    <link:label id="lab_meso_ContingentConsiderations_documentation_en-US" xlink:label="lab_meso_ContingentConsiderations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent considerations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ContingentConsiderations" xlink:href="meso-20260630.xsd#meso_ContingentConsiderations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ContingentConsiderations" xlink:to="lab_meso_ContingentConsiderations" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpense_019f3528-b0c3-77e7-8dfe-bbb23b349e13_negatedLabel_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Selling, general and administration</link:label>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, general and administrative expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SellingGeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_019f3528-b0c3-77d5-a6d7-2ddaf926ae14_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_meso_TreasurySharesPurchasedValue_019f3528-b0c3-7d3e-9804-f5d0366af257_negatedLabel_en-US" xlink:label="lab_meso_TreasurySharesPurchasedValue" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Less: Treasury Shares value</link:label>
    <link:label id="lab_meso_TreasurySharesPurchasedValue_label_en-US" xlink:label="lab_meso_TreasurySharesPurchasedValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Shares Purchased Value</link:label>
    <link:label id="lab_meso_TreasurySharesPurchasedValue_documentation_en-US" xlink:label="lab_meso_TreasurySharesPurchasedValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Treasury shares purchased value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TreasurySharesPurchasedValue" xlink:href="meso-20260630.xsd#meso_TreasurySharesPurchasedValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TreasurySharesPurchasedValue" xlink:to="lab_meso_TreasurySharesPurchasedValue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSixtyFourAMember_019f3528-b026-7761-a3d0-e881e73f03ac_terseLabel_en-US" xlink:label="lab_meso_SeriesSixtyFourAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">64a</link:label>
    <link:label id="lab_meso_SeriesSixtyFourAMember_label_en-US" xlink:label="lab_meso_SeriesSixtyFourAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Sixty Four A [Member]</link:label>
    <link:label id="lab_meso_SeriesSixtyFourAMember_documentation_en-US" xlink:label="lab_meso_SeriesSixtyFourAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 64a.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSixtyFourAMember" xlink:href="meso-20260630.xsd#meso_SeriesSixtyFourAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSixtyFourAMember" xlink:to="lab_meso_SeriesSixtyFourAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DividendYieldOnSharesUnderlyingOptions_019f3528-b0c3-7060-ad66-e53ebbaf7443_terseLabel_en-US" xlink:label="lab_meso_DividendYieldOnSharesUnderlyingOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend yield on shares underlying options</link:label>
    <link:label id="lab_meso_DividendYieldOnSharesUnderlyingOptions_label_en-US" xlink:label="lab_meso_DividendYieldOnSharesUnderlyingOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividend Yield On Shares Underlying Options</link:label>
    <link:label id="lab_meso_DividendYieldOnSharesUnderlyingOptions_documentation_en-US" xlink:label="lab_meso_DividendYieldOnSharesUnderlyingOptions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Dividend yield on shares underlying options.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DividendYieldOnSharesUnderlyingOptions" xlink:href="meso-20260630.xsd#meso_DividendYieldOnSharesUnderlyingOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DividendYieldOnSharesUnderlyingOptions" xlink:to="lab_meso_DividendYieldOnSharesUnderlyingOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_019f3528-b0c3-7837-b5a9-982bbb716335_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_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesTable_019f3528-b0c3-7e13-b093-53458c2be198_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Summary Of Significant Accounting Policies [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesTable_label_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Summary Of Significant Accounting Policies [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesTable_documentation_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of summary of significant accounting policies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesTable" xlink:href="meso-20260630.xsd#meso_DisclosureOfSummaryOfSignificantAccountingPoliciesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesTable" xlink:to="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndTenMember_019fd8b0-6fb4-7412-bf27-a04c19cb1362_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">110</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTenMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Ten [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTenMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Ten</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndTenMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndTenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndTenMember" xlink:to="lab_meso_SeriesOneHundredAndTenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets_019f3528-b0c3-733d-8a02-6168380d50aa_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAxis_019f3528-af4f-73d8-9442-7950b5fab19b_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_country_GB_019f3528-b0c3-7e19-b0cf-94fd98dfe3c1_terseLabel_en-US" xlink:label="lab_country_GB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">United Kingdom government</link:label>
    <link:label id="lab_country_GB_label_en-US" xlink:label="lab_country_GB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UNITED KINGDOM</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_GB" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_GB"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_GB" xlink:to="lab_country_GB" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_019f3528-b026-76ff-8698-542fa888550f_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax recorded in equity</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax relating to items credited (charged) directly to equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:to="lab_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ReserveOfWarrantsMember_019f3528-b026-7db1-9bfb-2c717e2c732c_terseLabel_en-US" xlink:label="lab_meso_ReserveOfWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrants reserve</link:label>
    <link:label id="lab_meso_ReserveOfWarrantsMember_label_en-US" xlink:label="lab_meso_ReserveOfWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve Of Warrants [Member]</link:label>
    <link:label id="lab_meso_ReserveOfWarrantsMember_documentation_en-US" xlink:label="lab_meso_ReserveOfWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reserve of warrants.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ReserveOfWarrantsMember" xlink:href="meso-20260630.xsd#meso_ReserveOfWarrantsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ReserveOfWarrantsMember" xlink:to="lab_meso_ReserveOfWarrantsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ExercisePriceOfOutstandingShareOptionsReductionPerOptionModificationsToShareBasedPaymentArrangements_019f3528-af4f-7761-ba16-4f1331056cdb_terseLabel_en-US" xlink:label="lab_meso_ExercisePriceOfOutstandingShareOptionsReductionPerOptionModificationsToShareBasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reduction per option to share-based payment arrangements (in AUD per share)</link:label>
    <link:label id="lab_meso_ExercisePriceOfOutstandingShareOptionsReductionPerOptionModificationsToShareBasedPaymentArrangements_label_en-US" xlink:label="lab_meso_ExercisePriceOfOutstandingShareOptionsReductionPerOptionModificationsToShareBasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exercise Price Of Outstanding Share Options, Reduction Per Option, Modifications To Share-Based Payment Arrangements</link:label>
    <link:label id="lab_meso_ExercisePriceOfOutstandingShareOptionsReductionPerOptionModificationsToShareBasedPaymentArrangements_documentation_en-US" xlink:label="lab_meso_ExercisePriceOfOutstandingShareOptionsReductionPerOptionModificationsToShareBasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exercise Price Of Outstanding Share Options, Reduction Per Option, Modifications To Share-Based Payment Arrangements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExercisePriceOfOutstandingShareOptionsReductionPerOptionModificationsToShareBasedPaymentArrangements" xlink:href="meso-20260630.xsd#meso_ExercisePriceOfOutstandingShareOptionsReductionPerOptionModificationsToShareBasedPaymentArrangements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExercisePriceOfOutstandingShareOptionsReductionPerOptionModificationsToShareBasedPaymentArrangements" xlink:to="lab_meso_ExercisePriceOfOutstandingShareOptionsReductionPerOptionModificationsToShareBasedPaymentArrangements" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CommercializationExpense_019f3528-af4f-70fe-ba0a-010384b48412_negatedTerseLabel_en-US" xlink:label="lab_meso_CommercializationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Commercialization</link:label>
    <link:label id="lab_meso_CommercializationExpense_label_en-US" xlink:label="lab_meso_CommercializationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercialization Expense</link:label>
    <link:label id="lab_meso_CommercializationExpense_documentation_en-US" xlink:label="lab_meso_CommercializationExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercialization Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CommercializationExpense" xlink:href="meso-20260630.xsd#meso_CommercializationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CommercializationExpense" xlink:to="lab_meso_CommercializationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_019f3528-b0c3-76f9-9dd4-7cc8a1720bd2_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_019f3528-b0c3-7113-8ba1-0ca0a865d006_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_meso_SeriesSixtyFourDMember_019f3528-b14c-7110-aeff-86f06160a82d_terseLabel_en-US" xlink:label="lab_meso_SeriesSixtyFourDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">64d</link:label>
    <link:label id="lab_meso_SeriesSixtyFourDMember_label_en-US" xlink:label="lab_meso_SeriesSixtyFourDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Sixty Four D [Member]</link:label>
    <link:label id="lab_meso_SeriesSixtyFourDMember_documentation_en-US" xlink:label="lab_meso_SeriesSixtyFourDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 64d.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSixtyFourDMember" xlink:href="meso-20260630.xsd#meso_SeriesSixtyFourDMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSixtyFourDMember" xlink:to="lab_meso_SeriesSixtyFourDMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AngioblastSystemsIncMember_019f3528-b0c3-7e58-a13e-98c269599660_terseLabel_en-US" xlink:label="lab_meso_AngioblastSystemsIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Angioblast Systems Inc in 2010</link:label>
    <link:label id="lab_meso_AngioblastSystemsIncMember_label_en-US" xlink:label="lab_meso_AngioblastSystemsIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Angioblast Systems Inc. [Member]</link:label>
    <link:label id="lab_meso_AngioblastSystemsIncMember_documentation_en-US" xlink:label="lab_meso_AngioblastSystemsIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Angioblast Systems Inc two thousand ten.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AngioblastSystemsIncMember" xlink:href="meso-20260630.xsd#meso_AngioblastSystemsIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AngioblastSystemsIncMember" xlink:to="lab_meso_AngioblastSystemsIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_019f3528-b026-7255-b633-034ad67f405d_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Current and deferred tax relating to items credited (charged) directly to equity</link:label>
    <link:label id="lab_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_label_en-US" xlink:label="lab_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current and deferred tax relating to items credited (charged) directly to equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:to="lab_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_019f3528-b026-7a10-ad03-bf06d24f8bb7_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_meso_WeightedAverageSharePriceExercisableInShareBasedPaymentArrangement_019f3528-b0c3-7481-8f41-5c2cd1b69711_terseLabel_en-US" xlink:label="lab_meso_WeightedAverageSharePriceExercisableInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average share purchase price, Vested and exercisable No (end of year) (in AUD per share)</link:label>
    <link:label id="lab_meso_WeightedAverageSharePriceExercisableInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_meso_WeightedAverageSharePriceExercisableInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Share Price Exercisable In Share Based Payment Arrangement</link:label>
    <link:label id="lab_meso_WeightedAverageSharePriceExercisableInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_meso_WeightedAverageSharePriceExercisableInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted average share price exercisable in share based payment arrangement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WeightedAverageSharePriceExercisableInShareBasedPaymentArrangement" xlink:href="meso-20260630.xsd#meso_WeightedAverageSharePriceExercisableInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_WeightedAverageSharePriceExercisableInShareBasedPaymentArrangement" xlink:to="lab_meso_WeightedAverageSharePriceExercisableInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_019f3528-af4f-7d5b-a8de-1747e86485b9_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_meso_TaxLossesMember_019f3528-b0c3-715f-b199-c1a5bb4b2eac_terseLabel_en-US" xlink:label="lab_meso_TaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax losses (DTA)</link:label>
    <link:label id="lab_meso_TaxLossesMember_label_en-US" xlink:label="lab_meso_TaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Losses [Member]</link:label>
    <link:label id="lab_meso_TaxLossesMember_documentation_en-US" xlink:label="lab_meso_TaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TaxLossesMember" xlink:href="meso-20260630.xsd#meso_TaxLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TaxLossesMember" xlink:to="lab_meso_TaxLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue_019f3528-b026-767b-88b2-01639b40672c_terseLabel_en-US" xlink:label="lab_meso_IncreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate increase on funds invested</link:label>
    <link:label id="lab_meso_IncreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue_label_en-US" xlink:label="lab_meso_IncreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase In Interest Rate On Funds Invested Which Derives Interest Revenue</link:label>
    <link:label id="lab_meso_IncreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue_documentation_en-US" xlink:label="lab_meso_IncreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase in interest rate on funds invested which derives interest revenue.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:href="meso-20260630.xsd#meso_IncreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:to="lab_meso_IncreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndNineteenMember_019fd8b5-daa8-7129-a2ec-856ab58e6b6e_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndNineteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">119</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndNineteenMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndNineteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Nineteen [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndNineteenMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndNineteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Nineteen</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndNineteenMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndNineteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndNineteenMember" xlink:to="lab_meso_SeriesOneHundredAndNineteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortyThreeMember_019f3528-b025-77ba-8fdf-2bcdbe57972c_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">43</link:label>
    <link:label id="lab_meso_SeriesFortyThreeMember_label_en-US" xlink:label="lab_meso_SeriesFortyThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Three [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyThreeMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 43.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyThreeMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyThreeMember" xlink:to="lab_meso_SeriesFortyThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill_019f3528-b025-75ba-9984-41963ae2d993_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_019f3528-b026-7f28-b77b-b93265e70f33_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_label_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeStatementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeStatementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeStatementAbstract" xlink:to="lab_ifrs-full_IncomeStatementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MesoblastAustraliaPtyLtdMember_019f3528-b026-712f-b0d4-291873fe6dc0_terseLabel_en-US" xlink:label="lab_meso_MesoblastAustraliaPtyLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mesoblast Australia Pty Ltd</link:label>
    <link:label id="lab_meso_MesoblastAustraliaPtyLtdMember_label_en-US" xlink:label="lab_meso_MesoblastAustraliaPtyLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mesoblast Australia Pty Ltd [Member]</link:label>
    <link:label id="lab_meso_MesoblastAustraliaPtyLtdMember_documentation_en-US" xlink:label="lab_meso_MesoblastAustraliaPtyLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mesoblast Australia Pty Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MesoblastAustraliaPtyLtdMember" xlink:href="meso-20260630.xsd#meso_MesoblastAustraliaPtyLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MesoblastAustraliaPtyLtdMember" xlink:to="lab_meso_MesoblastAustraliaPtyLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CurrentMarketedProductsMember_019f3528-b026-7808-9bdc-c341f1de92ec_terseLabel_en-US" xlink:label="lab_meso_CurrentMarketedProductsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currently marketed products</link:label>
    <link:label id="lab_meso_CurrentMarketedProductsMember_label_en-US" xlink:label="lab_meso_CurrentMarketedProductsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Marketed Products [Member]</link:label>
    <link:label id="lab_meso_CurrentMarketedProductsMember_documentation_en-US" xlink:label="lab_meso_CurrentMarketedProductsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current marketed products.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CurrentMarketedProductsMember" xlink:href="meso-20260630.xsd#meso_CurrentMarketedProductsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CurrentMarketedProductsMember" xlink:to="lab_meso_CurrentMarketedProductsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_EmployeeBenefits1Member_019f3528-b14c-7f07-a1d7-0b25d4038841_terseLabel_en-US" xlink:label="lab_meso_EmployeeBenefits1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefits</link:label>
    <link:label id="lab_meso_EmployeeBenefits1Member_label_en-US" xlink:label="lab_meso_EmployeeBenefits1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefits1 [Member]</link:label>
    <link:label id="lab_meso_EmployeeBenefits1Member_documentation_en-US" xlink:label="lab_meso_EmployeeBenefits1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employee benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_EmployeeBenefits1Member" xlink:href="meso-20260630.xsd#meso_EmployeeBenefits1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_EmployeeBenefits1Member" xlink:to="lab_meso_EmployeeBenefits1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ServiceConcessionArrangementsAxis_019f3528-af4f-703c-b447-a9770d918dd0_terseLabel_en-US" xlink:label="lab_ifrs-full_ServiceConcessionArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service concession arrangements [axis]</link:label>
    <link:label id="lab_ifrs-full_ServiceConcessionArrangementsAxis_label_en-US" xlink:label="lab_ifrs-full_ServiceConcessionArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Service concession arrangements [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ServiceConcessionArrangementsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ServiceConcessionArrangementsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ServiceConcessionArrangementsAxis" xlink:to="lab_ifrs-full_ServiceConcessionArrangementsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_Series119Member_01a021ff-8696-7bfd-a03b-b108b0c783d4_terseLabel_en-US" xlink:label="lab_meso_Series119Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">119</link:label>
    <link:label id="lab_meso_Series119Member_label_en-US" xlink:label="lab_meso_Series119Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 119 [Member]</link:label>
    <link:label id="lab_meso_Series119Member_documentation_en-US" xlink:label="lab_meso_Series119Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 119</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series119Member" xlink:href="meso-20260630.xsd#meso_Series119Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series119Member" xlink:to="lab_meso_Series119Member" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_WarrantExerciseTerm_019f3528-b026-7a7f-8f2b-423941c4fda9_terseLabel_en-US" xlink:label="lab_meso_WarrantExerciseTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrant exercise term</link:label>
    <link:label id="lab_meso_WarrantExerciseTerm_label_en-US" xlink:label="lab_meso_WarrantExerciseTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrant Exercise Term</link:label>
    <link:label id="lab_meso_WarrantExerciseTerm_documentation_en-US" xlink:label="lab_meso_WarrantExerciseTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrant exercise term.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WarrantExerciseTerm" xlink:href="meso-20260630.xsd#meso_WarrantExerciseTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_WarrantExerciseTerm" xlink:to="lab_meso_WarrantExerciseTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_019f3528-b0c3-77f1-8590-39b4b4236579_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_meso_UnpaidInterestPortionPerAnnum_019f3528-b026-73c8-9654-34463b9ccc7d_terseLabel_en-US" xlink:label="lab_meso_UnpaidInterestPortionPerAnnum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, unpaid interest portion per annum</link:label>
    <link:label id="lab_meso_UnpaidInterestPortionPerAnnum_label_en-US" xlink:label="lab_meso_UnpaidInterestPortionPerAnnum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unpaid Interest Portion Per Annum</link:label>
    <link:label id="lab_meso_UnpaidInterestPortionPerAnnum_documentation_en-US" xlink:label="lab_meso_UnpaidInterestPortionPerAnnum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unpaid interest portion per annum.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_UnpaidInterestPortionPerAnnum" xlink:href="meso-20260630.xsd#meso_UnpaidInterestPortionPerAnnum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_UnpaidInterestPortionPerAnnum" xlink:to="lab_meso_UnpaidInterestPortionPerAnnum" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OsirisMSCTwoThousandFifteenMember_019f3528-af4f-74dd-b66f-e5f97e8fca58_terseLabel_en-US" xlink:label="lab_meso_OsirisMSCTwoThousandFifteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Osiris MSC in 2015</link:label>
    <link:label id="lab_meso_OsirisMSCTwoThousandFifteenMember_label_en-US" xlink:label="lab_meso_OsirisMSCTwoThousandFifteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Osiris M S C Two Thousand Fifteen [Member]</link:label>
    <link:label id="lab_meso_OsirisMSCTwoThousandFifteenMember_documentation_en-US" xlink:label="lab_meso_OsirisMSCTwoThousandFifteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Osiris MSC two thousand fifteen.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OsirisMSCTwoThousandFifteenMember" xlink:href="meso-20260630.xsd#meso_OsirisMSCTwoThousandFifteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OsirisMSCTwoThousandFifteenMember" xlink:to="lab_meso_OsirisMSCTwoThousandFifteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_019f3528-b0c3-76a8-8c89-c8ce00bfeb69_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</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_EarningsPerShareAbstract_019f3528-b0c3-7dca-9692-7f45e35c5cd5_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">Losses per share from continuing operations attributable to the ordinary equity holders of the Group:</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_meso_AmountOfRoyaltiesEntitledToBeReceivedUponReachingSalesBasedMilestones_019f3528-b026-71ad-b836-e2f4574ebdd9_terseLabel_en-US" xlink:label="lab_meso_AmountOfRoyaltiesEntitledToBeReceivedUponReachingSalesBasedMilestones" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Milestone revenue relating to non-refundable up-front payment</link:label>
    <link:label id="lab_meso_AmountOfRoyaltiesEntitledToBeReceivedUponReachingSalesBasedMilestones_label_en-US" xlink:label="lab_meso_AmountOfRoyaltiesEntitledToBeReceivedUponReachingSalesBasedMilestones" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Of Royalties Entitled To Be Received Upon Reaching Sales Based Milestones</link:label>
    <link:label id="lab_meso_AmountOfRoyaltiesEntitledToBeReceivedUponReachingSalesBasedMilestones_documentation_en-US" xlink:label="lab_meso_AmountOfRoyaltiesEntitledToBeReceivedUponReachingSalesBasedMilestones" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount Of Royalties Entitled To Be Received Upon Reaching Sales Based Milestones</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AmountOfRoyaltiesEntitledToBeReceivedUponReachingSalesBasedMilestones" xlink:href="meso-20260630.xsd#meso_AmountOfRoyaltiesEntitledToBeReceivedUponReachingSalesBasedMilestones"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AmountOfRoyaltiesEntitledToBeReceivedUponReachingSalesBasedMilestones" xlink:to="lab_meso_AmountOfRoyaltiesEntitledToBeReceivedUponReachingSalesBasedMilestones" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeAxis_019f3528-b026-74a5-87f3-81ef91b91096_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_meso_IncreaseDecreaseInBorrowingLiabilitiesClassifiedAsFinancingActivities_019f3528-b0c3-7c9f-8bb5-17b688d5beb3_terseLabel_en-US" xlink:label="lab_meso_IncreaseDecreaseInBorrowingLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Changes, borrowings</link:label>
    <link:label id="lab_meso_IncreaseDecreaseInBorrowingLiabilitiesClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_meso_IncreaseDecreaseInBorrowingLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Borrowing Liabilities Classified As Financing Activities</link:label>
    <link:label id="lab_meso_IncreaseDecreaseInBorrowingLiabilitiesClassifiedAsFinancingActivities_documentation_en-US" xlink:label="lab_meso_IncreaseDecreaseInBorrowingLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase decrease in borrowing liabilities classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseDecreaseInBorrowingLiabilitiesClassifiedAsFinancingActivities" xlink:href="meso-20260630.xsd#meso_IncreaseDecreaseInBorrowingLiabilitiesClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseDecreaseInBorrowingLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_meso_IncreaseDecreaseInBorrowingLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_019f3528-b0c3-7533-83bd-e8160e45efad_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_019f3528-b026-7d6d-9a7e-4083fe00b896_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 interest rate</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_meso_RoyaltiesReceivableUnderSalesBasedMilestones_019f3528-b026-7988-8442-1d2d632edfe6_terseLabel_en-US" xlink:label="lab_meso_RoyaltiesReceivableUnderSalesBasedMilestones" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Royalties receivable under sales-based milestones</link:label>
    <link:label id="lab_meso_RoyaltiesReceivableUnderSalesBasedMilestones_label_en-US" xlink:label="lab_meso_RoyaltiesReceivableUnderSalesBasedMilestones" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Royalties Receivable Under Sales Based Milestones</link:label>
    <link:label id="lab_meso_RoyaltiesReceivableUnderSalesBasedMilestones_documentation_en-US" xlink:label="lab_meso_RoyaltiesReceivableUnderSalesBasedMilestones" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Royalties receivable under salesbased milestones.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RoyaltiesReceivableUnderSalesBasedMilestones" xlink:href="meso-20260630.xsd#meso_RoyaltiesReceivableUnderSalesBasedMilestones"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RoyaltiesReceivableUnderSalesBasedMilestones" xlink:to="lab_meso_RoyaltiesReceivableUnderSalesBasedMilestones" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_019f3528-b026-765f-a750-76f42a33f5b6_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">Loss before income tax</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_019f3528-b026-7d10-85b3-28e6babd915f_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">Loss from continuing operations before income tax</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_ifrs-full_FinancialAssetsDesignatedAsMeasuredAtFairValueAbstract_019f3528-b0c3-7a55-94ca-30e87340de57_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsDesignatedAsMeasuredAtFairValueAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income:</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsDesignatedAsMeasuredAtFairValueAbstract_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsDesignatedAsMeasuredAtFairValueAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets designated as measured at fair value through profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsDesignatedAsMeasuredAtFairValueAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsDesignatedAsMeasuredAtFairValueAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsDesignatedAsMeasuredAtFairValueAbstract" xlink:to="lab_ifrs-full_FinancialAssetsDesignatedAsMeasuredAtFairValueAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AuditorsRemunerationOtherNonAuditServices_01a0221a-81a2-7005-a726-b1f1cd13e4d9_totalLabel_en-US" xlink:label="lab_meso_AuditorsRemunerationOtherNonAuditServices" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other non-audit service</link:label>
    <link:label id="lab_meso_AuditorsRemunerationOtherNonAuditServices_label_en-US" xlink:label="lab_meso_AuditorsRemunerationOtherNonAuditServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's Remuneration, Other Non-Audit Services</link:label>
    <link:label id="lab_meso_AuditorsRemunerationOtherNonAuditServices_documentation_en-US" xlink:label="lab_meso_AuditorsRemunerationOtherNonAuditServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Auditor's Remuneration, Other Non-Audit Services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AuditorsRemunerationOtherNonAuditServices" xlink:href="meso-20260630.xsd#meso_AuditorsRemunerationOtherNonAuditServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AuditorsRemunerationOtherNonAuditServices" xlink:to="lab_meso_AuditorsRemunerationOtherNonAuditServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_019f3528-b0c3-782d-b7ec-ab891f0e3a78_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">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_meso_SeriesOneHundredAndSevenMember_019fd8ae-a113-7d7a-9353-743933cffba8_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndSevenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">107</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndSevenMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndSevenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Seven [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndSevenMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndSevenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Seven</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndSevenMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndSevenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndSevenMember" xlink:to="lab_meso_SeriesOneHundredAndSevenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesDomain_019f3528-b026-7736-a436-bfd670a983ce_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</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_ifrs-full_DisclosureOfOtherProvisionsTable_019f3528-af4f-77f0-b817-575ad849c645_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_meso_AdjustmentForGainOnDerecognitionOfLease_01a00069-c6c0-7bef-8223-4666ab7b5133_negatedTerseLabel_en-US" xlink:label="lab_meso_AdjustmentForGainOnDerecognitionOfLease" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Gain on derecognition of lease</link:label>
    <link:label id="lab_meso_AdjustmentForGainOnDerecognitionOfLease_label_en-US" xlink:label="lab_meso_AdjustmentForGainOnDerecognitionOfLease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Gain On Derecognition Of Lease</link:label>
    <link:label id="lab_meso_AdjustmentForGainOnDerecognitionOfLease_documentation_en-US" xlink:label="lab_meso_AdjustmentForGainOnDerecognitionOfLease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment For Gain On Termination Of Lease</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AdjustmentForGainOnDerecognitionOfLease" xlink:href="meso-20260630.xsd#meso_AdjustmentForGainOnDerecognitionOfLease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AdjustmentForGainOnDerecognitionOfLease" xlink:to="lab_meso_AdjustmentForGainOnDerecognitionOfLease" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSixtySixMember_019f3528-b026-7744-b1f5-d72cf4582291_terseLabel_en-US" xlink:label="lab_meso_SeriesSixtySixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">66</link:label>
    <link:label id="lab_meso_SeriesSixtySixMember_label_en-US" xlink:label="lab_meso_SeriesSixtySixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Sixty Six [Member]</link:label>
    <link:label id="lab_meso_SeriesSixtySixMember_documentation_en-US" xlink:label="lab_meso_SeriesSixtySixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 66.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSixtySixMember" xlink:href="meso-20260630.xsd#meso_SeriesSixtySixMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSixtySixMember" xlink:to="lab_meso_SeriesSixtySixMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage_01a03256-45af-778d-93b2-c27146cc2296_terseLabel_en-US" xlink:label="lab_meso_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration percentage</link:label>
    <link:label id="lab_meso_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage_label_en-US" xlink:label="lab_meso_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Exposure Associated With Instruments Sharing Characteristic, Concentration Percentage</link:label>
    <link:label id="lab_meso_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage_documentation_en-US" xlink:label="lab_meso_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Exposure Associated With Instruments Sharing Characteristic, Concentration Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:href="meso-20260630.xsd#meso_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:to="lab_meso_RiskExposureAssociatedWithInstrumentsSharingCharacteristicConcentrationPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ProvisionsAndOtherLiabilities_019f3528-b14c-7d92-8acb-a2fba77ec10b_totalLabel_en-US" xlink:label="lab_meso_ProvisionsAndOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_meso_ProvisionsAndOtherLiabilities_label_en-US" xlink:label="lab_meso_ProvisionsAndOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions And Other Liabilities</link:label>
    <link:label id="lab_meso_ProvisionsAndOtherLiabilities_documentation_en-US" xlink:label="lab_meso_ProvisionsAndOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions And Other Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ProvisionsAndOtherLiabilities" xlink:href="meso-20260630.xsd#meso_ProvisionsAndOtherLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ProvisionsAndOtherLiabilities" xlink:to="lab_meso_ProvisionsAndOtherLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_November2021WarrantsMember_019f3528-b0c3-72fa-87a9-43137f25c3b6_terseLabel_en-US" xlink:label="lab_meso_November2021WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">November 2021 Warrants</link:label>
    <link:label id="lab_meso_November2021WarrantsMember_label_en-US" xlink:label="lab_meso_November2021WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">November 2021 Warrants [Member]</link:label>
    <link:label id="lab_meso_November2021WarrantsMember_documentation_en-US" xlink:label="lab_meso_November2021WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">November 2021 Warrants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_November2021WarrantsMember" xlink:href="meso-20260630.xsd#meso_November2021WarrantsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_November2021WarrantsMember" xlink:to="lab_meso_November2021WarrantsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_019f3528-b026-783c-b59e-dca48a4d5ef9_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_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_01a017a2-3477-78dc-bff4-b046f50a6cfd_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement (in USD/AUD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorLocation_019f3528-b0c3-7008-909c-8ce60d86f47c_terseLabel_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Location</link:label>
    <link:label id="lab_dei_AuditorLocation_label_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Location</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLocation" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorLocation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorLocation" xlink:to="lab_dei_AuditorLocation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities_019f3528-b14c-7b6e-9bf1-773bf5e56641_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</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_meso_AmericanDepositorySharesMember_019f3528-b0c3-72d3-bfa4-6cde63d17c3c_terseLabel_en-US" xlink:label="lab_meso_AmericanDepositorySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">American Depository Shares</link:label>
    <link:label id="lab_meso_AmericanDepositorySharesMember_label_en-US" xlink:label="lab_meso_AmericanDepositorySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">American Depository Shares [Member]</link:label>
    <link:label id="lab_meso_AmericanDepositorySharesMember_documentation_en-US" xlink:label="lab_meso_AmericanDepositorySharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">American Depository Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AmericanDepositorySharesMember" xlink:href="meso-20260630.xsd#meso_AmericanDepositorySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AmericanDepositorySharesMember" xlink:to="lab_meso_AmericanDepositorySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions_019f3528-b025-7a75-a7f1-1ff3fa116db1_negatedTerseLabel_en-US" xlink:label="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Acquisition &#8211; leases</link:label>
    <link:label id="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions_019f3528-b025-724d-98a7-7c141595e9fa_negatedNetLabel_en-US" xlink:label="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="resource" xml:lang="en-US">Acquisition &#8211; leases, sub-total</link:label>
    <link:label id="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions_019f3528-b025-7918-88c6-a81a7669e2ed_negatedLabel_en-US" xlink:label="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Acquisition &#8211; leases, total</link:label>
    <link:label id="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions_label_en-US" xlink:label="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease In Liabilities From Financing Activities, Leases, Acquisitions</link:label>
    <link:label id="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions_documentation_en-US" xlink:label="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease In Liabilities From Financing Activities, Leases, Acquisitions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions" xlink:href="meso-20260630.xsd#meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions" xlink:to="lab_meso_DecreaseInLiabilitiesFromFinancingActivitiesLeasesAcquisitions" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AmountsPayableRelatedPartyTransactionsPercentagePayableOnSigning_01a017b1-84dc-7eaf-82fb-eca2f475207a_terseLabel_en-US" xlink:label="lab_meso_AmountsPayableRelatedPartyTransactionsPercentagePayableOnSigning" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage payable on signing</link:label>
    <link:label id="lab_meso_AmountsPayableRelatedPartyTransactionsPercentagePayableOnSigning_label_en-US" xlink:label="lab_meso_AmountsPayableRelatedPartyTransactionsPercentagePayableOnSigning" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amounts Payable, Related Party Transactions, Percentage Payable On Signing</link:label>
    <link:label id="lab_meso_AmountsPayableRelatedPartyTransactionsPercentagePayableOnSigning_documentation_en-US" xlink:label="lab_meso_AmountsPayableRelatedPartyTransactionsPercentagePayableOnSigning" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amounts Payable, Related Party Transactions, Percentage Payable On Signing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AmountsPayableRelatedPartyTransactionsPercentagePayableOnSigning" xlink:href="meso-20260630.xsd#meso_AmountsPayableRelatedPartyTransactionsPercentagePayableOnSigning"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AmountsPayableRelatedPartyTransactionsPercentagePayableOnSigning" xlink:to="lab_meso_AmountsPayableRelatedPartyTransactionsPercentagePayableOnSigning" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TradePayablesMember_019f3528-af4f-730d-94f3-7f88d4870481_terseLabel_en-US" xlink:label="lab_meso_TradePayablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade payables</link:label>
    <link:label id="lab_meso_TradePayablesMember_label_en-US" xlink:label="lab_meso_TradePayablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade Payables [Member]</link:label>
    <link:label id="lab_meso_TradePayablesMember_documentation_en-US" xlink:label="lab_meso_TradePayablesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade payables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TradePayablesMember" xlink:href="meso-20260630.xsd#meso_TradePayablesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TradePayablesMember" xlink:to="lab_meso_TradePayablesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_WarrantsFairValueAtIssueDate_019f3528-b025-7a09-b880-88e504a50be1_terseLabel_en-US" xlink:label="lab_meso_WarrantsFairValueAtIssueDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrants fair value at grant date</link:label>
    <link:label id="lab_meso_WarrantsFairValueAtIssueDate_label_en-US" xlink:label="lab_meso_WarrantsFairValueAtIssueDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants Fair Value At Issue Date</link:label>
    <link:label id="lab_meso_WarrantsFairValueAtIssueDate_documentation_en-US" xlink:label="lab_meso_WarrantsFairValueAtIssueDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrants fair value at issue date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WarrantsFairValueAtIssueDate" xlink:href="meso-20260630.xsd#meso_WarrantsFairValueAtIssueDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_WarrantsFairValueAtIssueDate" xlink:to="lab_meso_WarrantsFairValueAtIssueDate" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CashOrStockPayableAtFairValueLiabilities_019f3528-b14c-727c-9876-091d6c070e0e_terseLabel_en-US" xlink:label="lab_meso_CashOrStockPayableAtFairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of cash or stock payable, dependent on achievement of future late-stage clinical or regulatory targets</link:label>
    <link:label id="lab_meso_CashOrStockPayableAtFairValueLiabilities_label_en-US" xlink:label="lab_meso_CashOrStockPayableAtFairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Or Stock Payable At Fair Value, Liabilities</link:label>
    <link:label id="lab_meso_CashOrStockPayableAtFairValueLiabilities_documentation_en-US" xlink:label="lab_meso_CashOrStockPayableAtFairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash or stock payable at fair value, liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CashOrStockPayableAtFairValueLiabilities" xlink:href="meso-20260630.xsd#meso_CashOrStockPayableAtFairValueLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CashOrStockPayableAtFairValueLiabilities" xlink:to="lab_meso_CashOrStockPayableAtFairValueLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TrancheFourMember_019f3528-b026-7e7e-8ac2-748fdd8c06ce_terseLabel_en-US" xlink:label="lab_meso_TrancheFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche four</link:label>
    <link:label id="lab_meso_TrancheFourMember_label_en-US" xlink:label="lab_meso_TrancheFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche Four [Member]</link:label>
    <link:label id="lab_meso_TrancheFourMember_documentation_en-US" xlink:label="lab_meso_TrancheFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TrancheFourMember" xlink:href="meso-20260630.xsd#meso_TrancheFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TrancheFourMember" xlink:to="lab_meso_TrancheFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProductsAndServicesDomain_019f3528-af4f-7847-ae69-ed71111428db_terseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and services</link:label>
    <link:label id="lab_ifrs-full_ProductsAndServicesDomain_label_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and services [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProductsAndServicesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProductsAndServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProductsAndServicesDomain" xlink:to="lab_ifrs-full_ProductsAndServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageShares_019f3528-b026-76af-928a-6be63ba140d8_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 ordinary shares used as the denominator in calculating basic losses per share (in shares)</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_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsAbstract_019f3528-b0c3-71be-9141-55f25e6bca7c_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Significant Estimates Judgments And Errors [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsAbstract_label_en-US" xlink:label="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Significant Estimates Judgments And Errors [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsAbstract_documentation_en-US" xlink:label="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of significant estimates judgments and errors.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsAbstract" xlink:href="meso-20260630.xsd#meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsAbstract" xlink:to="lab_meso_DisclosureOfSignificantEstimatesJudgmentsAndErrorsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInUnobservableInputLiabilities_019f3528-b0c3-7da5-b38c-7c414d7865a6_terseLabel_en-US" xlink:label="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of reasonably possible increase (decrease) in unobservable input, liabilities</link:label>
    <link:label id="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInUnobservableInputLiabilities_label_en-US" xlink:label="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Reasonably Possible Increase (Decrease) In Unobservable Input, Liabilities</link:label>
    <link:label id="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInUnobservableInputLiabilities_documentation_en-US" xlink:label="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Reasonably Possible Increase (Decrease) In Unobservable Input, Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInUnobservableInputLiabilities" xlink:href="meso-20260630.xsd#meso_PercentageOfReasonablyPossibleIncreaseDecreaseInUnobservableInputLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInUnobservableInputLiabilities" xlink:to="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInUnobservableInputLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndTenBMember_019fd8b1-5e6d-7c8a-916f-bd0cca83f231_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">110b</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTenBMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Ten B [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTenBMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Ten B</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndTenBMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndTenBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndTenBMember" xlink:to="lab_meso_SeriesOneHundredAndTenBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_WarrantLiabilityRemeasurement_019f3528-b0c3-7f45-b49a-09940194318c_terseLabel_en-US" xlink:label="lab_meso_WarrantLiabilityRemeasurement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of warrant liability</link:label>
    <link:label id="lab_meso_WarrantLiabilityRemeasurement_label_en-US" xlink:label="lab_meso_WarrantLiabilityRemeasurement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrant Liability, Remeasurement</link:label>
    <link:label id="lab_meso_WarrantLiabilityRemeasurement_documentation_en-US" xlink:label="lab_meso_WarrantLiabilityRemeasurement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remeasurement of warrant liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WarrantLiabilityRemeasurement" xlink:href="meso-20260630.xsd#meso_WarrantLiabilityRemeasurement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_WarrantLiabilityRemeasurement" xlink:to="lab_meso_WarrantLiabilityRemeasurement" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfCashHeld_01a01841-1aeb-7301-bcbc-369c1dafee6b_terseLabel_en-US" xlink:label="lab_meso_PercentageOfCashHeld" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of cash held</link:label>
    <link:label id="lab_meso_PercentageOfCashHeld_label_en-US" xlink:label="lab_meso_PercentageOfCashHeld" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Cash Held</link:label>
    <link:label id="lab_meso_PercentageOfCashHeld_documentation_en-US" xlink:label="lab_meso_PercentageOfCashHeld" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Cash Held</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfCashHeld" xlink:href="meso-20260630.xsd#meso_PercentageOfCashHeld"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfCashHeld" xlink:to="lab_meso_PercentageOfCashHeld" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NonRefundableUpfrontPaymentsReceivable_019f3528-b026-7759-a1c4-ee4426ef1d8b_terseLabel_en-US" xlink:label="lab_meso_NonRefundableUpfrontPaymentsReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-refundable upfront payments receivable</link:label>
    <link:label id="lab_meso_NonRefundableUpfrontPaymentsReceivable_label_en-US" xlink:label="lab_meso_NonRefundableUpfrontPaymentsReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Refundable Upfront Payments Receivable</link:label>
    <link:label id="lab_meso_NonRefundableUpfrontPaymentsReceivable_documentation_en-US" xlink:label="lab_meso_NonRefundableUpfrontPaymentsReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-refundable upfront payments receivable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NonRefundableUpfrontPaymentsReceivable" xlink:href="meso-20260630.xsd#meso_NonRefundableUpfrontPaymentsReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NonRefundableUpfrontPaymentsReceivable" xlink:to="lab_meso_NonRefundableUpfrontPaymentsReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_019f3528-af4f-785c-8d8a-e2710c681f81_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 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_ifrs-full_OtherReserves_019f3528-b026-7fa7-bed5-2d62bacf590e_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">Reserves</link:label>
    <link:label id="lab_ifrs-full_OtherReserves_019f3528-b026-728f-938f-e3912500e649_periodStartLabel_en-US" xlink:label="lab_ifrs-full_OtherReserves" 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_OtherReserves_019f3528-b026-7db4-88ac-266c1a387ee5_periodEndLabel_en-US" xlink:label="lab_ifrs-full_OtherReserves" 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_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_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_019f3528-b025-7776-90e9-196f36631d29_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 payments</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_meso_FairValueOfWarrantsIssued_019f5ee8-4ae3-7c1d-aa72-03b4cbec3b31_terseLabel_en-US" xlink:label="lab_meso_FairValueOfWarrantsIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of warrants issued</link:label>
    <link:label id="lab_meso_FairValueOfWarrantsIssued_label_en-US" xlink:label="lab_meso_FairValueOfWarrantsIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Of Warrants, Issued</link:label>
    <link:label id="lab_meso_FairValueOfWarrantsIssued_documentation_en-US" xlink:label="lab_meso_FairValueOfWarrantsIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Of Warrants, Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FairValueOfWarrantsIssued" xlink:href="meso-20260630.xsd#meso_FairValueOfWarrantsIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FairValueOfWarrantsIssued" xlink:to="lab_meso_FairValueOfWarrantsIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Borrowings_019f3528-b14c-7c69-97f3-243587609df3_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_019f3528-b14c-7cd7-a57d-4b281db89a17_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">Total borrowings</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019f3528-b14c-7d46-96f7-574d9742ec8e_negatedLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019f3528-b14c-7ec5-ab17-eaf02bef9d17_negatedPeriodStartLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">Borrowings at beginning of period</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019f3528-b14c-7142-9d2c-c0aa10f416cf_negatedPeriodEndLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">Borrowings at end of period</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_dei_EntityWellKnownSeasonedIssuer_019f3528-af4f-7956-b6d4-36cd05cd6ca1_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesEightyTwoMember_019f3528-b026-7eb7-b127-b25554c5a6a2_terseLabel_en-US" xlink:label="lab_meso_SeriesEightyTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">82</link:label>
    <link:label id="lab_meso_SeriesEightyTwoMember_label_en-US" xlink:label="lab_meso_SeriesEightyTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty Two [Member]</link:label>
    <link:label id="lab_meso_SeriesEightyTwoMember_documentation_en-US" xlink:label="lab_meso_SeriesEightyTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightyTwoMember" xlink:href="meso-20260630.xsd#meso_SeriesEightyTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightyTwoMember" xlink:to="lab_meso_SeriesEightyTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ContractLiabilitiesGrossToNetAdjustments_019fd25e-45ae-720b-b58b-b154cc868db1_terseLabel_en-US" xlink:label="lab_meso_ContractLiabilitiesGrossToNetAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross to net adjustments</link:label>
    <link:label id="lab_meso_ContractLiabilitiesGrossToNetAdjustments_label_en-US" xlink:label="lab_meso_ContractLiabilitiesGrossToNetAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract Liabilities, Gross To Net Adjustments</link:label>
    <link:label id="lab_meso_ContractLiabilitiesGrossToNetAdjustments_documentation_en-US" xlink:label="lab_meso_ContractLiabilitiesGrossToNetAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract Liabilities, Gross To Net Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ContractLiabilitiesGrossToNetAdjustments" xlink:href="meso-20260630.xsd#meso_ContractLiabilitiesGrossToNetAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ContractLiabilitiesGrossToNetAdjustments" xlink:to="lab_meso_ContractLiabilitiesGrossToNetAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MinimumFinancialCommitmentOfLeaseComponent_019f3528-b14c-735e-b5b7-c02bc504d45f_terseLabel_en-US" xlink:label="lab_meso_MinimumFinancialCommitmentOfLeaseComponent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum financial commitment of the lease component</link:label>
    <link:label id="lab_meso_MinimumFinancialCommitmentOfLeaseComponent_label_en-US" xlink:label="lab_meso_MinimumFinancialCommitmentOfLeaseComponent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Financial Commitment Of Lease Component</link:label>
    <link:label id="lab_meso_MinimumFinancialCommitmentOfLeaseComponent_documentation_en-US" xlink:label="lab_meso_MinimumFinancialCommitmentOfLeaseComponent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum financial commitment of the lease component.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MinimumFinancialCommitmentOfLeaseComponent" xlink:href="meso-20260630.xsd#meso_MinimumFinancialCommitmentOfLeaseComponent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MinimumFinancialCommitmentOfLeaseComponent" xlink:to="lab_meso_MinimumFinancialCommitmentOfLeaseComponent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_019f3528-b026-7934-ab80-93f2016aa0bf_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested and exercisable No (end of year) (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options exercisable in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfExposureToFinancialRisksTableTextBlock_019f3528-b14c-7953-a91d-3571c8ccd0f4_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfExposureToFinancialRisksTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Exposure to Financial Risks</link:label>
    <link:label id="lab_meso_DisclosureOfExposureToFinancialRisksTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfExposureToFinancialRisksTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of exposure to financial risks [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfExposureToFinancialRisksTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfExposureToFinancialRisksTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of exposure to financial risks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfExposureToFinancialRisksTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfExposureToFinancialRisksTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfExposureToFinancialRisksTableTextBlock" xlink:to="lab_meso_DisclosureOfExposureToFinancialRisksTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComputerEquipmentMember_019f3528-b0c3-7dc4-84fd-1c1d3c9a666b_terseLabel_en-US" xlink:label="lab_ifrs-full_ComputerEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Computer Hardware and Software</link:label>
    <link:label id="lab_ifrs-full_ComputerEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_ComputerEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Computer equipment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComputerEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComputerEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComputerEquipmentMember" xlink:to="lab_ifrs-full_ComputerEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SharesReservedForAcquisitionOfIntangibleAssetValue_01a014f3-7e18-7cd9-82cd-a29fa9034ee9_terseLabel_en-US" xlink:label="lab_meso_SharesReservedForAcquisitionOfIntangibleAssetValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement of shares for acquisition of intangible asset</link:label>
    <link:label id="lab_meso_SharesReservedForAcquisitionOfIntangibleAssetValue_label_en-US" xlink:label="lab_meso_SharesReservedForAcquisitionOfIntangibleAssetValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Reserved for Acquisition Of Intangible Asset, Value</link:label>
    <link:label id="lab_meso_SharesReservedForAcquisitionOfIntangibleAssetValue_documentation_en-US" xlink:label="lab_meso_SharesReservedForAcquisitionOfIntangibleAssetValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares Reserved for Acquisition Of Intangible Asset, Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SharesReservedForAcquisitionOfIntangibleAssetValue" xlink:href="meso-20260630.xsd#meso_SharesReservedForAcquisitionOfIntangibleAssetValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SharesReservedForAcquisitionOfIntangibleAssetValue" xlink:to="lab_meso_SharesReservedForAcquisitionOfIntangibleAssetValue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AmountEntitledToBeReceivedOnNonRefundableUpfrontPaymentUponReachingProductRegulatoryMilestone_019f3528-af4f-7e36-8cc4-136f14b5d24c_terseLabel_en-US" xlink:label="lab_meso_AmountEntitledToBeReceivedOnNonRefundableUpfrontPaymentUponReachingProductRegulatoryMilestone" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receipt on non refundable up-front payment upon reaching product regulatory milestone</link:label>
    <link:label id="lab_meso_AmountEntitledToBeReceivedOnNonRefundableUpfrontPaymentUponReachingProductRegulatoryMilestone_label_en-US" xlink:label="lab_meso_AmountEntitledToBeReceivedOnNonRefundableUpfrontPaymentUponReachingProductRegulatoryMilestone" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Entitled To Be Received On Non Refundable Upfront Payment Upon Reaching Product Regulatory Milestone</link:label>
    <link:label id="lab_meso_AmountEntitledToBeReceivedOnNonRefundableUpfrontPaymentUponReachingProductRegulatoryMilestone_documentation_en-US" xlink:label="lab_meso_AmountEntitledToBeReceivedOnNonRefundableUpfrontPaymentUponReachingProductRegulatoryMilestone" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount Entitled to be received on non refundable up-front payment upon reaching product regulatory milestone.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AmountEntitledToBeReceivedOnNonRefundableUpfrontPaymentUponReachingProductRegulatoryMilestone" xlink:href="meso-20260630.xsd#meso_AmountEntitledToBeReceivedOnNonRefundableUpfrontPaymentUponReachingProductRegulatoryMilestone"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AmountEntitledToBeReceivedOnNonRefundableUpfrontPaymentUponReachingProductRegulatoryMilestone" xlink:to="lab_meso_AmountEntitledToBeReceivedOnNonRefundableUpfrontPaymentUponReachingProductRegulatoryMilestone" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NonCancellablePurchaseCommitments_019f3528-b026-75db-8a66-903ffacbbedb_terseLabel_en-US" xlink:label="lab_meso_NonCancellablePurchaseCommitments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cancellable purchase commitments related to raw materials, manufacturing agreements and other goods and services</link:label>
    <link:label id="lab_meso_NonCancellablePurchaseCommitments_label_en-US" xlink:label="lab_meso_NonCancellablePurchaseCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Cancellable Purchase Commitments</link:label>
    <link:label id="lab_meso_NonCancellablePurchaseCommitments_documentation_en-US" xlink:label="lab_meso_NonCancellablePurchaseCommitments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-cancellable purchase commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NonCancellablePurchaseCommitments" xlink:href="meso-20260630.xsd#meso_NonCancellablePurchaseCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NonCancellablePurchaseCommitments" xlink:to="lab_meso_NonCancellablePurchaseCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_019f3528-af4f-7f6f-bb25-9eb64ccf5684_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">Net cash (outflows)/inflows 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_ifrs-full_CounterpartiesAxis_019f3528-af4f-7630-913a-ca4522154268_terseLabel_en-US" xlink:label="lab_ifrs-full_CounterpartiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Counterparties [axis]</link:label>
    <link:label id="lab_ifrs-full_CounterpartiesAxis_label_en-US" xlink:label="lab_ifrs-full_CounterpartiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Counterparties [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CounterpartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CounterpartiesAxis" xlink:to="lab_ifrs-full_CounterpartiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetySixDMember_019f3528-b026-78af-aebc-dbc55c692073_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetySixDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">96d</link:label>
    <link:label id="lab_meso_SeriesNinetySixDMember_label_en-US" xlink:label="lab_meso_SeriesNinetySixDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Six D [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetySixDMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetySixDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Six D</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetySixDMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetySixDMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetySixDMember" xlink:to="lab_meso_SeriesNinetySixDMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_019f3528-af4f-7643-bf75-ddf40e74734a_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss per share</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NonRefundableUpFrontPaymentReceived_019f3528-b026-7530-a226-cde3c74306cd_terseLabel_en-US" xlink:label="lab_meso_NonRefundableUpFrontPaymentReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-refundable upfront payment received</link:label>
    <link:label id="lab_meso_NonRefundableUpFrontPaymentReceived_label_en-US" xlink:label="lab_meso_NonRefundableUpFrontPaymentReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Refundable Up Front Payment Received</link:label>
    <link:label id="lab_meso_NonRefundableUpFrontPaymentReceived_documentation_en-US" xlink:label="lab_meso_NonRefundableUpFrontPaymentReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non refundable up front payment received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NonRefundableUpFrontPaymentReceived" xlink:href="meso-20260630.xsd#meso_NonRefundableUpFrontPaymentReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NonRefundableUpFrontPaymentReceived" xlink:to="lab_meso_NonRefundableUpFrontPaymentReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCurrentReportingStatus_019f3528-af4f-7efd-857e-921320c00b43_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:label id="lab_dei_EntityCurrentReportingStatus_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCurrentReportingStatus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus" xlink:to="lab_dei_EntityCurrentReportingStatus" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory_019f3528-b14c-7a0f-9079-f39905ef5623_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">Summary of Deferred Tax Balances</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_meso_OsirisTherapeuticsInc.Member_019f3528-b14c-754b-94ae-5875730768af_terseLabel_en-US" xlink:label="lab_meso_OsirisTherapeuticsInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Osiris Therapeutics, Inc.</link:label>
    <link:label id="lab_meso_OsirisTherapeuticsInc.Member_label_en-US" xlink:label="lab_meso_OsirisTherapeuticsInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Osiris Therapeutics, Inc. [Member]</link:label>
    <link:label id="lab_meso_OsirisTherapeuticsInc.Member_documentation_en-US" xlink:label="lab_meso_OsirisTherapeuticsInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Osiris Therapeutics, Inc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OsirisTherapeuticsInc.Member" xlink:href="meso-20260630.xsd#meso_OsirisTherapeuticsInc.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OsirisTherapeuticsInc.Member" xlink:to="lab_meso_OsirisTherapeuticsInc.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TradeReceivablesFromProductSalesSettlementPeriod_019f3528-af4f-793e-b587-b48f638b0d52_terseLabel_en-US" xlink:label="lab_meso_TradeReceivablesFromProductSalesSettlementPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade receivables settlement period</link:label>
    <link:label id="lab_meso_TradeReceivablesFromProductSalesSettlementPeriod_label_en-US" xlink:label="lab_meso_TradeReceivablesFromProductSalesSettlementPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade Receivables From Product Sales, Settlement Period</link:label>
    <link:label id="lab_meso_TradeReceivablesFromProductSalesSettlementPeriod_documentation_en-US" xlink:label="lab_meso_TradeReceivablesFromProductSalesSettlementPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade receivables settlement period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TradeReceivablesFromProductSalesSettlementPeriod" xlink:href="meso-20260630.xsd#meso_TradeReceivablesFromProductSalesSettlementPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TradeReceivablesFromProductSalesSettlementPeriod" xlink:to="lab_meso_TradeReceivablesFromProductSalesSettlementPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_019f3528-b0c3-7ee2-9042-fd95c08161b2_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_country_JP_019f3528-b0c3-7369-9a61-cff6aa16a6f2_terseLabel_en-US" xlink:label="lab_country_JP" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Japan</link:label>
    <link:label id="lab_country_JP_label_en-US" xlink:label="lab_country_JP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">JAPAN</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_JP" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_JP"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_JP" xlink:to="lab_country_JP" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_019f5ee8-4ae3-75fc-8b13-eaf5298dc8fc_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">Key management personnel of entity or parent</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_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract_019f3528-b026-711b-bb9c-f7db3e139fd2_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Summary Of Significant Accounting Policies [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract_label_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Summary Of Significant Accounting Policies [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract_documentation_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of summary of significant accounting policies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract" xlink:href="meso-20260630.xsd#meso_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract" xlink:to="lab_meso_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_019f3528-b0c3-7c99-a4cd-a81d82592558_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_meso_ExpectedLifeAfterFactoring_019f3528-b0c3-7b94-b594-3e251c7520a3_terseLabel_en-US" xlink:label="lab_meso_ExpectedLifeAfterFactoring" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Life</link:label>
    <link:label id="lab_meso_ExpectedLifeAfterFactoring_label_en-US" xlink:label="lab_meso_ExpectedLifeAfterFactoring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Life After Factoring</link:label>
    <link:label id="lab_meso_ExpectedLifeAfterFactoring_documentation_en-US" xlink:label="lab_meso_ExpectedLifeAfterFactoring" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected life after factoring.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpectedLifeAfterFactoring" xlink:href="meso-20260630.xsd#meso_ExpectedLifeAfterFactoring"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpectedLifeAfterFactoring" xlink:to="lab_meso_ExpectedLifeAfterFactoring" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTaxCreditsAbstract_019f3528-b026-752c-b2ef-ee75b6841af7_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTaxCreditsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other tax credits</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTaxCreditsAbstract_label_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTaxCreditsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Not Brought To Account For Other Tax Credits [Abstract]</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTaxCreditsAbstract_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTaxCreditsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax assets not brought to account for other tax credits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTaxCreditsAbstract" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetsNotBroughtToAccountForOtherTaxCreditsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTaxCreditsAbstract" xlink:to="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTaxCreditsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CostOfSales_019f3528-b0c3-7ccf-9674-ebd56793cf34_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 revenues (including amortization of currently marketed intangible assets, 2026: $6,126: 2025: $3,937, 2024: $Nil)</link:label>
    <link:label id="lab_ifrs-full_CostOfSales_019f3528-b0c3-7036-bb5b-59dd8dff93c2_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 Cost of revenues</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_ifrs-full_ClassesOfAssetsDomain_019f3528-b026-71e9-b626-64f80b702fb5_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_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract_019f3528-b025-777b-bed1-2d0da3310904_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_019f3528-af4f-7324-9a78-935be052afe1_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_meso_NonInterestBearingFinancialLiabilitiesMaturityPeriod_019f3528-b0c3-7511-afa9-e540d121ada3_terseLabel_en-US" xlink:label="lab_meso_NonInterestBearingFinancialLiabilitiesMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-interest bearing financial liabilities maturing period</link:label>
    <link:label id="lab_meso_NonInterestBearingFinancialLiabilitiesMaturityPeriod_label_en-US" xlink:label="lab_meso_NonInterestBearingFinancialLiabilitiesMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Interest Bearing Financial Liabilities Maturity Period</link:label>
    <link:label id="lab_meso_NonInterestBearingFinancialLiabilitiesMaturityPeriod_documentation_en-US" xlink:label="lab_meso_NonInterestBearingFinancialLiabilitiesMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non interest bearing financial liabilities maturity period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NonInterestBearingFinancialLiabilitiesMaturityPeriod" xlink:href="meso-20260630.xsd#meso_NonInterestBearingFinancialLiabilitiesMaturityPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NonInterestBearingFinancialLiabilitiesMaturityPeriod" xlink:to="lab_meso_NonInterestBearingFinancialLiabilitiesMaturityPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_EffectOnProfitFromChangeInTaxRate_019f3528-b0c3-7ebb-90a4-c23dbd7a7f82_terseLabel_en-US" xlink:label="lab_meso_EffectOnProfitFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect on profit from change in tax rate</link:label>
    <link:label id="lab_meso_EffectOnProfitFromChangeInTaxRate_label_en-US" xlink:label="lab_meso_EffectOnProfitFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect On Profit From Change In Tax Rate</link:label>
    <link:label id="lab_meso_EffectOnProfitFromChangeInTaxRate_documentation_en-US" xlink:label="lab_meso_EffectOnProfitFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Effect on profit from change in tax rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_EffectOnProfitFromChangeInTaxRate" xlink:href="meso-20260630.xsd#meso_EffectOnProfitFromChangeInTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_EffectOnProfitFromChangeInTaxRate" xlink:to="lab_meso_EffectOnProfitFromChangeInTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_019f3528-b025-7d65-a87a-2dc3dfb10c13_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</link:label>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_019f3528-b025-77c1-96d6-70dcb9a580a4_verboseLabel_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Low</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_ifrs-full_Accruals_019fd2c0-3206-7839-aba5-2887743cb080_terseLabel_en-US" xlink:label="lab_ifrs-full_Accruals" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross to net accruals</link:label>
    <link:label id="lab_ifrs-full_Accruals_label_en-US" xlink:label="lab_ifrs-full_Accruals" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accruals</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Accruals" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Accruals"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Accruals" xlink:to="lab_ifrs-full_Accruals" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndTenAMember_019fd8b1-0f8d-7402-9252-924eb11a8bcc_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">110a</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTenAMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Ten A [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTenAMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndTenAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Ten A</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndTenAMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndTenAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndTenAMember" xlink:to="lab_meso_SeriesOneHundredAndTenAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_019f3528-b026-79a5-8967-a069260879be_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_019f3528-b026-7efa-a4bd-a2d0512eabee_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_meso_WarrantsPricePerShare_019f5a93-ef82-787f-96d0-5fc0c035527e_verboseLabel_en-US" xlink:label="lab_meso_WarrantsPricePerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Warrants price per share (in AUD per share)</link:label>
    <link:label id="lab_meso_WarrantsPricePerShare_019f3528-b14c-7976-833d-b2491c50c442_terseLabel_en-US" xlink:label="lab_meso_WarrantsPricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Price (in USD/AUD per share)</link:label>
    <link:label id="lab_meso_WarrantsPricePerShare_label_en-US" xlink:label="lab_meso_WarrantsPricePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants Price Per Share</link:label>
    <link:label id="lab_meso_WarrantsPricePerShare_documentation_en-US" xlink:label="lab_meso_WarrantsPricePerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrant price per share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WarrantsPricePerShare" xlink:href="meso-20260630.xsd#meso_WarrantsPricePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_WarrantsPricePerShare" xlink:to="lab_meso_WarrantsPricePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract_019f3528-b0c3-7788-88c3-0fe20beafc52_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effect of amounts which are not deductible/(exempt) in calculating taxable income:</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of accounting profit multiplied by applicable tax rates [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:to="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_GovernmentRebatesAndChargebacksAdjustmentsMember_01a01724-34da-76a3-9a90-22e8027eb45b_terseLabel_en-US" xlink:label="lab_meso_GovernmentRebatesAndChargebacksAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government rebates and chargebacks</link:label>
    <link:label id="lab_meso_GovernmentRebatesAndChargebacksAdjustmentsMember_label_en-US" xlink:label="lab_meso_GovernmentRebatesAndChargebacksAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Government Rebates And Chargebacks, Adjustments [Member]</link:label>
    <link:label id="lab_meso_GovernmentRebatesAndChargebacksAdjustmentsMember_documentation_en-US" xlink:label="lab_meso_GovernmentRebatesAndChargebacksAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Government Rebates And Chargebacks, Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_GovernmentRebatesAndChargebacksAdjustmentsMember" xlink:href="meso-20260630.xsd#meso_GovernmentRebatesAndChargebacksAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_GovernmentRebatesAndChargebacksAdjustmentsMember" xlink:to="lab_meso_GovernmentRebatesAndChargebacksAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DecreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue_019f3528-b026-775c-833f-94e15d4692f0_negatedLabel_en-US" xlink:label="lab_meso_DecreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Rate decrease on funds invested</link:label>
    <link:label id="lab_meso_DecreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue_label_en-US" xlink:label="lab_meso_DecreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease In Interest Rate On Funds Invested Which Derives Interest Revenue</link:label>
    <link:label id="lab_meso_DecreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue_documentation_en-US" xlink:label="lab_meso_DecreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease in interest rate on funds invested which derives interest revenue.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DecreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:href="meso-20260630.xsd#meso_DecreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DecreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:to="lab_meso_DecreaseInInterestRateOnFundsInvestedWhichDerivesInterestRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OtherSalesRelatedDeductionsMember_019fd25a-41d5-7a46-99b1-9ec119039dae_terseLabel_en-US" xlink:label="lab_meso_OtherSalesRelatedDeductionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other sales-related deductions</link:label>
    <link:label id="lab_meso_OtherSalesRelatedDeductionsMember_label_en-US" xlink:label="lab_meso_OtherSalesRelatedDeductionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Sales-Related Deductions [Member]</link:label>
    <link:label id="lab_meso_OtherSalesRelatedDeductionsMember_documentation_en-US" xlink:label="lab_meso_OtherSalesRelatedDeductionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Sales-Related Deductions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherSalesRelatedDeductionsMember" xlink:href="meso-20260630.xsd#meso_OtherSalesRelatedDeductionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OtherSalesRelatedDeductionsMember" xlink:to="lab_meso_OtherSalesRelatedDeductionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLoss_019f3528-b0c3-767e-a85c-b47868143725_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">Loss for the period</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_019f3528-b0c3-7c5a-b990-3650fc74385a_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">Loss for 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_ifrs-full_FinancialAssets_019f3528-b14c-75c4-aad0-fac6e2adf659_totalLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial assets, Total</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_019f3528-b14c-7d9c-9d1b-809ac2867bc7_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">Foreign currency balance held</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_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesWarrantLiability_019fd726-4b47-7ba0-9e7b-995fa36234d2_terseLabel_en-US" xlink:label="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange adjustments, warrant liability</link:label>
    <link:label id="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesWarrantLiability_label_en-US" xlink:label="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Effect Of Changes In Foreign Exchange Rates, Warrant Liability</link:label>
    <link:label id="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesWarrantLiability_documentation_en-US" xlink:label="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Effect Of Changes In Foreign Exchange Rates, Warrant Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesWarrantLiability" xlink:href="meso-20260630.xsd#meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesWarrantLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesWarrantLiability" xlink:to="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesWarrantLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_019f3528-b026-7b1e-920b-60848c3e6bb6_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_meso_OriginalIssueDiscountOnCreditLineFacilityRelatedPartyTransaction_01a019ea-4f4e-74c6-9ceb-0cf1dd82d5d1_terseLabel_en-US" xlink:label="lab_meso_OriginalIssueDiscountOnCreditLineFacilityRelatedPartyTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Original Issue Discount ("OID") on credit-line facility</link:label>
    <link:label id="lab_meso_OriginalIssueDiscountOnCreditLineFacilityRelatedPartyTransaction_label_en-US" xlink:label="lab_meso_OriginalIssueDiscountOnCreditLineFacilityRelatedPartyTransaction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Original Issue Discount On Credit Line Facility, Related Party Transaction</link:label>
    <link:label id="lab_meso_OriginalIssueDiscountOnCreditLineFacilityRelatedPartyTransaction_documentation_en-US" xlink:label="lab_meso_OriginalIssueDiscountOnCreditLineFacilityRelatedPartyTransaction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Original Issue Discount On Credit Line Facility, Related Party Transaction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OriginalIssueDiscountOnCreditLineFacilityRelatedPartyTransaction" xlink:href="meso-20260630.xsd#meso_OriginalIssueDiscountOnCreditLineFacilityRelatedPartyTransaction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OriginalIssueDiscountOnCreditLineFacilityRelatedPartyTransaction" xlink:to="lab_meso_OriginalIssueDiscountOnCreditLineFacilityRelatedPartyTransaction" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RevenueRecognizedFromUpfrontPaymentAsDeferredConsideration_019f3528-b0c3-7af1-a7dd-092ad806f9ee_terseLabel_en-US" xlink:label="lab_meso_RevenueRecognizedFromUpfrontPaymentAsDeferredConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue recognized from up-front payment as deferred consideration</link:label>
    <link:label id="lab_meso_RevenueRecognizedFromUpfrontPaymentAsDeferredConsideration_label_en-US" xlink:label="lab_meso_RevenueRecognizedFromUpfrontPaymentAsDeferredConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Recognized From Upfront Payment As Deferred Consideration</link:label>
    <link:label id="lab_meso_RevenueRecognizedFromUpfrontPaymentAsDeferredConsideration_documentation_en-US" xlink:label="lab_meso_RevenueRecognizedFromUpfrontPaymentAsDeferredConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue recognized from up-front payment as deferred consideration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RevenueRecognizedFromUpfrontPaymentAsDeferredConsideration" xlink:href="meso-20260630.xsd#meso_RevenueRecognizedFromUpfrontPaymentAsDeferredConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RevenueRecognizedFromUpfrontPaymentAsDeferredConsideration" xlink:to="lab_meso_RevenueRecognizedFromUpfrontPaymentAsDeferredConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DepreciationAndAmortizationOfNonCurrentAssetsAbstract_019f3528-b026-788f-ac87-707eb6260a0d_terseLabel_en-US" xlink:label="lab_meso_DepreciationAndAmortizationOfNonCurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization of non-current assets</link:label>
    <link:label id="lab_meso_DepreciationAndAmortizationOfNonCurrentAssetsAbstract_label_en-US" xlink:label="lab_meso_DepreciationAndAmortizationOfNonCurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation And Amortization Of Non Current Assets [Abstract]</link:label>
    <link:label id="lab_meso_DepreciationAndAmortizationOfNonCurrentAssetsAbstract_documentation_en-US" xlink:label="lab_meso_DepreciationAndAmortizationOfNonCurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Depreciation and Amortization of Non-current Assets Abstract.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DepreciationAndAmortizationOfNonCurrentAssetsAbstract" xlink:href="meso-20260630.xsd#meso_DepreciationAndAmortizationOfNonCurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DepreciationAndAmortizationOfNonCurrentAssetsAbstract" xlink:to="lab_meso_DepreciationAndAmortizationOfNonCurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentRegistrationStatement_019f3528-b025-793d-8b09-5e1b90639af5_terseLabel_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Registration Statement</link:label>
    <link:label id="lab_dei_DocumentRegistrationStatement_label_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Registration Statement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentRegistrationStatement" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentRegistrationStatement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentRegistrationStatement" xlink:to="lab_dei_DocumentRegistrationStatement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_019f3528-b0c3-71c8-a7ea-3cb2a6694816_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ordinary shares (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_019f3528-b0c3-72fe-89ba-f68c4df8ee12_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_019f3528-b0c3-7779-bfae-4e8f593ec04a_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of shares issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssued" xlink:to="lab_ifrs-full_NumberOfSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CommitmentsTable_019f3528-af4f-7f6a-a622-8567b0c3f9a4_terseLabel_en-US" xlink:label="lab_meso_CommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments [Table]</link:label>
    <link:label id="lab_meso_CommitmentsTable_label_en-US" xlink:label="lab_meso_CommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments [Table]</link:label>
    <link:label id="lab_meso_CommitmentsTable_documentation_en-US" xlink:label="lab_meso_CommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CommitmentsTable" xlink:href="meso-20260630.xsd#meso_CommitmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CommitmentsTable" xlink:to="lab_meso_CommitmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_019f3528-b026-702a-8e06-7f68bfd3c871_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">Segment information</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_ifrs-full_DepreciationRightofuseAssets_019f3528-b0c3-7bd1-a382-d871effcd451_negatedLabel_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Right of use asset depreciation</link:label>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_019f3528-b0c3-7642-95b0-8a0b1b07c212_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depreciation charge</link:label>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_019f3528-b0c3-7f18-95c1-164ce9da3a30_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_019f3528-b026-742d-a135-7bc9381c022f_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</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_meso_SeriesSeventyFiveMember_019f3528-b026-7a64-83e0-9b4d53d01ffb_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyFiveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">75</link:label>
    <link:label id="lab_meso_SeriesSeventyFiveMember_label_en-US" xlink:label="lab_meso_SeriesSeventyFiveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Five [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyFiveMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyFiveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 75.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyFiveMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyFiveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyFiveMember" xlink:to="lab_meso_SeriesSeventyFiveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfLossBeforeIncomeTaxAbstract_019f3528-b026-7f92-b744-0eda0e672167_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfLossBeforeIncomeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Loss Before Income Tax [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfLossBeforeIncomeTaxAbstract_label_en-US" xlink:label="lab_meso_DisclosureOfLossBeforeIncomeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Loss Before Income Tax [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfLossBeforeIncomeTaxAbstract_documentation_en-US" xlink:label="lab_meso_DisclosureOfLossBeforeIncomeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of loss before income tax [Abstract].</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfLossBeforeIncomeTaxAbstract" xlink:href="meso-20260630.xsd#meso_DisclosureOfLossBeforeIncomeTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfLossBeforeIncomeTaxAbstract" xlink:to="lab_meso_DisclosureOfLossBeforeIncomeTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_019f3528-b026-72c8-b327-81366f619a4f_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_019f3528-b026-7bbb-a920-e2b1aebc9337_verboseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accumulated amortization</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_ifrs-full_RetainedEarningsMember_019f3528-b0c3-7fdd-be42-ed8276c2f7e1_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/ (accumulated losses)</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_ifrs-full_BorrowingsAbstract_019f3528-b025-7b33-8eb6-ea4ea2eb71f5_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsAbstract" 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_BorrowingsAbstract_label_en-US" xlink:label="lab_ifrs-full_BorrowingsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsAbstract" xlink:to="lab_ifrs-full_BorrowingsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndOneMember_019f3528-b14c-70e1-b420-6d16336bbf32_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">101</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndOneMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And One [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndOneMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndOneMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndOneMember" xlink:to="lab_meso_SeriesOneHundredAndOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_019f3528-b0c3-7d9a-8137-790f34b2f022_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">Between 1-2 years</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_ValueAddedTaxReceivables_019f3528-b0c3-7b28-94bc-ea02861a3418_terseLabel_en-US" xlink:label="lab_ifrs-full_ValueAddedTaxReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivable from the Swiss Government (Value-Added Tax)</link:label>
    <link:label id="lab_ifrs-full_ValueAddedTaxReceivables_label_en-US" xlink:label="lab_ifrs-full_ValueAddedTaxReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value added tax receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValueAddedTaxReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValueAddedTaxReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValueAddedTaxReceivables" xlink:to="lab_ifrs-full_ValueAddedTaxReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_019f3528-af4f-764a-b25a-cd0bb63af376_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_meso_PercentageOfPriceRateChangesInNonCurrentBorrowings_019f3528-af4f-7271-acfc-3153017685a9_terseLabel_en-US" xlink:label="lab_meso_PercentageOfPriceRateChangesInNonCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percent of non-current borrowings</link:label>
    <link:label id="lab_meso_PercentageOfPriceRateChangesInNonCurrentBorrowings_label_en-US" xlink:label="lab_meso_PercentageOfPriceRateChangesInNonCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Price Rate Changes In Non Current Borrowings</link:label>
    <link:label id="lab_meso_PercentageOfPriceRateChangesInNonCurrentBorrowings_documentation_en-US" xlink:label="lab_meso_PercentageOfPriceRateChangesInNonCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of price rate changes in non-current borrowings.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfPriceRateChangesInNonCurrentBorrowings" xlink:href="meso-20260630.xsd#meso_PercentageOfPriceRateChangesInNonCurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfPriceRateChangesInNonCurrentBorrowings" xlink:to="lab_meso_PercentageOfPriceRateChangesInNonCurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesLineItems_019f3528-b026-71f1-8c91-f5aed88a972c_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Contingent Assets And Liabilities [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesLineItems_label_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Contingent Assets And Liabilities [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesLineItems_documentation_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of contingent assets and liabilities lineItems.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfContingentAssetsAndLiabilitiesLineItems" xlink:href="meso-20260630.xsd#meso_DisclosureOfContingentAssetsAndLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfContingentAssetsAndLiabilitiesLineItems" xlink:to="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax_019f3528-b0c3-7639-a7a1-a996dc75b42f_negatedLabel_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Exchange differences on translation of foreign operations</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_meso_PercentageOfPriceRateChangesInCurrentBorrowings_019f3528-b0c3-795a-b1a6-6054569cbc22_terseLabel_en-US" xlink:label="lab_meso_PercentageOfPriceRateChangesInCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percent of current borrowings</link:label>
    <link:label id="lab_meso_PercentageOfPriceRateChangesInCurrentBorrowings_label_en-US" xlink:label="lab_meso_PercentageOfPriceRateChangesInCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Price Rate Changes In Current Borrowings</link:label>
    <link:label id="lab_meso_PercentageOfPriceRateChangesInCurrentBorrowings_documentation_en-US" xlink:label="lab_meso_PercentageOfPriceRateChangesInCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of price rate changes in current borrowings.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfPriceRateChangesInCurrentBorrowings" xlink:href="meso-20260630.xsd#meso_PercentageOfPriceRateChangesInCurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfPriceRateChangesInCurrentBorrowings" xlink:to="lab_meso_PercentageOfPriceRateChangesInCurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetySixCMember_019f3528-b026-758b-8f3b-724ab2baa9eb_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetySixCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">96c</link:label>
    <link:label id="lab_meso_SeriesNinetySixCMember_label_en-US" xlink:label="lab_meso_SeriesNinetySixCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Six C [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetySixCMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetySixCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Six C</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetySixCMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetySixCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetySixCMember" xlink:to="lab_meso_SeriesNinetySixCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_019f3528-b026-7dea-9f03-2a98d70ed214_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total Depreciation and amortization of non-current assets</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_dei_BusinessContactMember_019f3528-af4f-794a-93da-c4310384b493_terseLabel_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Contact</link:label>
    <link:label id="lab_dei_BusinessContactMember_label_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Contact [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_BusinessContactMember" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_BusinessContactMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_BusinessContactMember" xlink:to="lab_dei_BusinessContactMember" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_GBP_019f3528-b026-70a7-b9f7-c563fb6aeecb_terseLabel_en-US" xlink:label="lab_currency_GBP" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">GBP</link:label>
    <link:label id="lab_currency_GBP_label_en-US" xlink:label="lab_currency_GBP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">United Kingdom, Pounds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_GBP" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_GBP"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_GBP" xlink:to="lab_currency_GBP" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_019f3528-b026-7513-bc01-45655df26b8f_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesAbstract" xlink:to="lab_ifrs-full_LiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MesoblastIncMember_019f3528-b0c3-7729-be70-d5441c434aea_terseLabel_en-US" xlink:label="lab_meso_MesoblastIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mesoblast, Inc.</link:label>
    <link:label id="lab_meso_MesoblastIncMember_label_en-US" xlink:label="lab_meso_MesoblastIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mesoblast Inc [Member]</link:label>
    <link:label id="lab_meso_MesoblastIncMember_documentation_en-US" xlink:label="lab_meso_MesoblastIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mesoblast, Inc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MesoblastIncMember" xlink:href="meso-20260630.xsd#meso_MesoblastIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MesoblastIncMember" xlink:to="lab_meso_MesoblastIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FairValueRemeasurementOfContingentConsideration_019f3528-b0c3-74f0-8044-f6fcc1b19f3d_negatedLabel_en-US" xlink:label="lab_meso_FairValueRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of contingent consideration</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfContingentConsideration_019f3528-b0c3-7a65-8f9d-212e6a474772_negatedTotalLabel_en-US" xlink:label="lab_meso_FairValueRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total Fair value remeasurement of contingent consideration</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfContingentConsideration_label_en-US" xlink:label="lab_meso_FairValueRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Remeasurement Of Contingent Consideration</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfContingentConsideration_documentation_en-US" xlink:label="lab_meso_FairValueRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of contingent consideration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FairValueRemeasurementOfContingentConsideration" xlink:href="meso-20260630.xsd#meso_FairValueRemeasurementOfContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FairValueRemeasurementOfContingentConsideration" xlink:to="lab_meso_FairValueRemeasurementOfContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExternalCreditGradesDomain_019f3528-b0c3-78d3-b246-c67e586a4da2_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</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_019f3528-b026-7781-a50b-2d9825d399cf_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</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_meso_ProvisionsMember_019f3528-b026-7d10-afbf-03a4cd4f054f_terseLabel_en-US" xlink:label="lab_meso_ProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_meso_ProvisionsMember_label_en-US" xlink:label="lab_meso_ProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions [Member]</link:label>
    <link:label id="lab_meso_ProvisionsMember_documentation_en-US" xlink:label="lab_meso_ProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ProvisionsMember" xlink:href="meso-20260630.xsd#meso_ProvisionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ProvisionsMember" xlink:to="lab_meso_ProvisionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountMember_019f3528-b0c3-7b8b-9fed-a9c7d743793f_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_ifrs-full_DesignatedFinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract_019f3528-af4f-7867-8b67-db4fa546706e_terseLabel_en-US" xlink:label="lab_ifrs-full_DesignatedFinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities at fair value through profit or loss:</link:label>
    <link:label id="lab_ifrs-full_DesignatedFinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract_label_en-US" xlink:label="lab_ifrs-full_DesignatedFinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Designated financial liabilities at fair value through profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DesignatedFinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DesignatedFinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DesignatedFinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" xlink:to="lab_ifrs-full_DesignatedFinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfReportableOperatingSegment_019f3528-b026-7bad-a387-51205bf03280_terseLabel_en-US" xlink:label="lab_meso_NumberOfReportableOperatingSegment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of reportable operating segment</link:label>
    <link:label id="lab_meso_NumberOfReportableOperatingSegment_label_en-US" xlink:label="lab_meso_NumberOfReportableOperatingSegment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Reportable Operating Segment</link:label>
    <link:label id="lab_meso_NumberOfReportableOperatingSegment_documentation_en-US" xlink:label="lab_meso_NumberOfReportableOperatingSegment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of reportable operating segment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfReportableOperatingSegment" xlink:href="meso-20260630.xsd#meso_NumberOfReportableOperatingSegment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfReportableOperatingSegment" xlink:to="lab_meso_NumberOfReportableOperatingSegment" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfCapitalManagementExplanatoryTextBlock_019f3528-b025-745f-964f-eea418bbf68f_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfCapitalManagementExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital management</link:label>
    <link:label id="lab_meso_DisclosureOfCapitalManagementExplanatoryTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfCapitalManagementExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Capital Management Explanatory [Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfCapitalManagementExplanatoryTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfCapitalManagementExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of capital management.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfCapitalManagementExplanatoryTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfCapitalManagementExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfCapitalManagementExplanatoryTextBlock" xlink:to="lab_meso_DisclosureOfCapitalManagementExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities_019f3528-b026-7d90-b762-5d5646dbb158_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows, total</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FinanceCostsGainsAbstract_019f3528-b0c3-7a7d-9a38-e5404fb9c4ad_terseLabel_en-US" xlink:label="lab_meso_FinanceCostsGainsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance (costs)/gains</link:label>
    <link:label id="lab_meso_FinanceCostsGainsAbstract_label_en-US" xlink:label="lab_meso_FinanceCostsGainsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Costs Gains [Abstract]</link:label>
    <link:label id="lab_meso_FinanceCostsGainsAbstract_documentation_en-US" xlink:label="lab_meso_FinanceCostsGainsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finance (costs) gains.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FinanceCostsGainsAbstract" xlink:href="meso-20260630.xsd#meso_FinanceCostsGainsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FinanceCostsGainsAbstract" xlink:to="lab_meso_FinanceCostsGainsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnobservableInputsDomain_019f3528-af4f-7b93-9e68-4e9b2db45451_terseLabel_en-US" xlink:label="lab_ifrs-full_UnobservableInputsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unobservable inputs [domain]</link:label>
    <link:label id="lab_ifrs-full_UnobservableInputsDomain_label_en-US" xlink:label="lab_ifrs-full_UnobservableInputsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unobservable inputs [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnobservableInputsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnobservableInputsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnobservableInputsDomain" xlink:to="lab_ifrs-full_UnobservableInputsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInEquityAbstract_019f3528-b14c-720f-b510-e5a4bdf214af_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with owners in their capacity as owners:</link:label>
    <link:label id="lab_ifrs-full_ChangesInEquityAbstract_019f3528-b14c-7fb1-bf91-d29800ad6611_verboseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Changes in equity</link:label>
    <link:label id="lab_ifrs-full_ChangesInEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_ChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes in equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInEquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInEquityAbstract" xlink:to="lab_ifrs-full_ChangesInEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_019f3528-b0c3-7bb5-b48f-16668b3185ce_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term employee 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_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember_019f3528-b026-75c6-a611-525d4ae01f92_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrant Reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of equity component of convertible instruments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember" xlink:to="lab_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SecurityExchangeName_019f3528-b0c3-771f-81fb-4d1548bbadce_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security Exchange Name</link:label>
    <link:label id="lab_dei_SecurityExchangeName_label_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security Exchange Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiability_019f3528-af4f-7683-9297-27a4d5f76f61_terseLabel_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ten percent of decrease in share rice, derivative financial liabilities</link:label>
    <link:label id="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiability_label_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Decrease In Risk Variable, Impact On Earnings, Derivative Financial Liability</link:label>
    <link:label id="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiability_documentation_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Decrease In Risk Variable, Impact On Earnings, Derivative Financial Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiability" xlink:href="meso-20260630.xsd#meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiability" xlink:to="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsDerivativeFinancialLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MesoblastInternationalSarlMember_019f3528-b0c3-7cd4-9f34-415f99fc7981_terseLabel_en-US" xlink:label="lab_meso_MesoblastInternationalSarlMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mesoblast International S&#224;rl (includes Mesoblast International S&#224;rl Singapore Branch)</link:label>
    <link:label id="lab_meso_MesoblastInternationalSarlMember_label_en-US" xlink:label="lab_meso_MesoblastInternationalSarlMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mesoblast International Sarl [Member]</link:label>
    <link:label id="lab_meso_MesoblastInternationalSarlMember_documentation_en-US" xlink:label="lab_meso_MesoblastInternationalSarlMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mesoblast International Sarl</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MesoblastInternationalSarlMember" xlink:href="meso-20260630.xsd#meso_MesoblastInternationalSarlMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MesoblastInternationalSarlMember" xlink:to="lab_meso_MesoblastInternationalSarlMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_019f3528-af4f-79fe-9b74-d58a9d180a0b_negatedLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Number of share options forfeited in share-based payment arrangement (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options forfeited in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_019faf15-39ea-741e-abf4-94941dd22b74_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_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_019f3528-b14c-794d-af58-f43fa2f91539_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Valuations of Options Approved and Granted</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RightofuseAssets_019f3528-b0c3-704f-a20e-1929c035d7e3_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 assets</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_019f3528-b0c3-705a-ac1f-3d6ea0e07559_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">Right-of-use assets, beginning balance</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_019f3528-b0c3-7bdf-95f4-19f404032868_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">Right-of-use assets, 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_meso_SeriesOneHundredAndFourteenMember_019fd8b3-fdf4-7d8a-b59f-0dd4cc74e90e_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndFourteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">114</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndFourteenMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndFourteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Fourteen [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndFourteenMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndFourteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Fourteen</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndFourteenMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndFourteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndFourteenMember" xlink:to="lab_meso_SeriesOneHundredAndFourteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_UnratedMember_019f3528-b0c3-7ef3-96ee-71d9bb95d43a_terseLabel_en-US" xlink:label="lab_meso_UnratedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-rated</link:label>
    <link:label id="lab_meso_UnratedMember_label_en-US" xlink:label="lab_meso_UnratedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrated [Member]</link:label>
    <link:label id="lab_meso_UnratedMember_documentation_en-US" xlink:label="lab_meso_UnratedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unrated.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_UnratedMember" xlink:href="meso-20260630.xsd#meso_UnratedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_UnratedMember" xlink:to="lab_meso_UnratedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_ContactPersonnelName_019f3528-af4f-7e98-aae6-894403d63c70_terseLabel_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contact Personnel Name</link:label>
    <link:label id="lab_dei_ContactPersonnelName_label_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contact Personnel Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ContactPersonnelName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_ContactPersonnelName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelName" xlink:to="lab_dei_ContactPersonnelName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MethodsOfGenerationAxis_019f3528-b025-7627-961a-080ce17b22ad_terseLabel_en-US" xlink:label="lab_ifrs-full_MethodsOfGenerationAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Methods of generation [axis]</link:label>
    <link:label id="lab_ifrs-full_MethodsOfGenerationAxis_label_en-US" xlink:label="lab_ifrs-full_MethodsOfGenerationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Methods of generation [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MethodsOfGenerationAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MethodsOfGenerationAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MethodsOfGenerationAxis" xlink:to="lab_ifrs-full_MethodsOfGenerationAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfWarrantsIssuedToPurchaseAmericanDepositaryShares_019f3528-b0c3-73ec-b411-7a870764c254_terseLabel_en-US" xlink:label="lab_meso_NumberOfWarrantsIssuedToPurchaseAmericanDepositaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of warrants issued to purchase american depositary shares (in shares)</link:label>
    <link:label id="lab_meso_NumberOfWarrantsIssuedToPurchaseAmericanDepositaryShares_label_en-US" xlink:label="lab_meso_NumberOfWarrantsIssuedToPurchaseAmericanDepositaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Warrants Issued To Purchase American Depositary Shares</link:label>
    <link:label id="lab_meso_NumberOfWarrantsIssuedToPurchaseAmericanDepositaryShares_documentation_en-US" xlink:label="lab_meso_NumberOfWarrantsIssuedToPurchaseAmericanDepositaryShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Warrants Issued To Purchase American Depositary Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfWarrantsIssuedToPurchaseAmericanDepositaryShares" xlink:href="meso-20260630.xsd#meso_NumberOfWarrantsIssuedToPurchaseAmericanDepositaryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfWarrantsIssuedToPurchaseAmericanDepositaryShares" xlink:to="lab_meso_NumberOfWarrantsIssuedToPurchaseAmericanDepositaryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_019f3528-b026-79d1-ba02-cd2ae9ba5967_totalLabel_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net Assets</link:label>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_label_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets (liabilities)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetAssetsLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetAssetsLiabilities" xlink:to="lab_ifrs-full_NetAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfEscalatingMilestonePayments_019f3528-b0c3-785d-afb0-a22f3c01aa82_terseLabel_en-US" xlink:label="lab_meso_NumberOfEscalatingMilestonePayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of escalating milestone payments</link:label>
    <link:label id="lab_meso_NumberOfEscalatingMilestonePayments_label_en-US" xlink:label="lab_meso_NumberOfEscalatingMilestonePayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Escalating Milestone Payments</link:label>
    <link:label id="lab_meso_NumberOfEscalatingMilestonePayments_documentation_en-US" xlink:label="lab_meso_NumberOfEscalatingMilestonePayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Escalating Milestone Payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfEscalatingMilestonePayments" xlink:href="meso-20260630.xsd#meso_NumberOfEscalatingMilestonePayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfEscalatingMilestonePayments" xlink:to="lab_meso_NumberOfEscalatingMilestonePayments" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IntellectualPropertyAmortization_019f3528-b026-7a39-88fd-dcd3fe655993_negatedLabel_en-US" xlink:label="lab_meso_IntellectualPropertyAmortization" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Intellectual property amortization</link:label>
    <link:label id="lab_meso_IntellectualPropertyAmortization_label_en-US" xlink:label="lab_meso_IntellectualPropertyAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intellectual Property Amortization</link:label>
    <link:label id="lab_meso_IntellectualPropertyAmortization_documentation_en-US" xlink:label="lab_meso_IntellectualPropertyAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Intellectual property amortization.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IntellectualPropertyAmortization" xlink:href="meso-20260630.xsd#meso_IntellectualPropertyAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IntellectualPropertyAmortization" xlink:to="lab_meso_IntellectualPropertyAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetySixAMember_019f3528-af4f-744d-986b-f9f6be39e149_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetySixAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">96a</link:label>
    <link:label id="lab_meso_SeriesNinetySixAMember_label_en-US" xlink:label="lab_meso_SeriesNinetySixAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Six A [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetySixAMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetySixAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Six A</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetySixAMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetySixAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetySixAMember" xlink:to="lab_meso_SeriesNinetySixAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IssuesGrantedSinceJulyOneTwoThousandFifteenMember_019f3528-b0c3-74bc-94d6-103137c075c1_terseLabel_en-US" xlink:label="lab_meso_IssuesGrantedSinceJulyOneTwoThousandFifteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issues granted since July 1, 2015</link:label>
    <link:label id="lab_meso_IssuesGrantedSinceJulyOneTwoThousandFifteenMember_label_en-US" xlink:label="lab_meso_IssuesGrantedSinceJulyOneTwoThousandFifteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issues Granted Since July One Two Thousand Fifteen [Member]</link:label>
    <link:label id="lab_meso_IssuesGrantedSinceJulyOneTwoThousandFifteenMember_documentation_en-US" xlink:label="lab_meso_IssuesGrantedSinceJulyOneTwoThousandFifteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issues granted since July one two thousand fifteen.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IssuesGrantedSinceJulyOneTwoThousandFifteenMember" xlink:href="meso-20260630.xsd#meso_IssuesGrantedSinceJulyOneTwoThousandFifteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IssuesGrantedSinceJulyOneTwoThousandFifteenMember" xlink:to="lab_meso_IssuesGrantedSinceJulyOneTwoThousandFifteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable_019f3528-b0c3-7446-8a4b-14ece905341a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting estimates [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting estimates [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfChangesInAccountingEstimatesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:to="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_019f3528-b0c3-70d8-9aee-d0927848e396_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Items that may be reclassified to profit and loss</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_019f3528-b025-749e-9c13-82246621013b_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Financial Assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContractLiabilities_019fd25e-9676-714f-93be-3729c99fe17e_periodStartLabel_en-US" xlink:label="lab_ifrs-full_ContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance, beginning of period</link:label>
    <link:label id="lab_ifrs-full_ContractLiabilities_019fd25e-f54c-7527-9c20-36625db61401_periodEndLabel_en-US" xlink:label="lab_ifrs-full_ContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance, end of period</link:label>
    <link:label id="lab_ifrs-full_ContractLiabilities_label_en-US" xlink:label="lab_ifrs-full_ContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractLiabilities" xlink:to="lab_ifrs-full_ContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DerecognitionOfRightOfUseAsset_01a01720-9da6-708e-85f0-645d182456b8_negatedTerseLabel_en-US" xlink:label="lab_meso_DerecognitionOfRightOfUseAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Derecognition of right-of-use asset</link:label>
    <link:label id="lab_meso_DerecognitionOfRightOfUseAsset_label_en-US" xlink:label="lab_meso_DerecognitionOfRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derecognition of Right-Of-Use Asset</link:label>
    <link:label id="lab_meso_DerecognitionOfRightOfUseAsset_documentation_en-US" xlink:label="lab_meso_DerecognitionOfRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derecognition of Right-Of-Use Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DerecognitionOfRightOfUseAsset" xlink:href="meso-20260630.xsd#meso_DerecognitionOfRightOfUseAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DerecognitionOfRightOfUseAsset" xlink:to="lab_meso_DerecognitionOfRightOfUseAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProbabilityOfDefaultMember_019f3528-b026-7260-a127-28a908647c81_terseLabel_en-US" xlink:label="lab_ifrs-full_ProbabilityOfDefaultMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probability of Success</link:label>
    <link:label id="lab_ifrs-full_ProbabilityOfDefaultMember_label_en-US" xlink:label="lab_ifrs-full_ProbabilityOfDefaultMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total for all probability of default [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProbabilityOfDefaultMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProbabilityOfDefaultMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProbabilityOfDefaultMember" xlink:to="lab_ifrs-full_ProbabilityOfDefaultMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TaxEffectOfForeignExchangeTranslationGainsLosses_019f3528-af4f-7ca9-a46b-d26387fc17d1_terseLabel_en-US" xlink:label="lab_meso_TaxEffectOfForeignExchangeTranslationGainsLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange translation (losses)/gains</link:label>
    <link:label id="lab_meso_TaxEffectOfForeignExchangeTranslationGainsLosses_label_en-US" xlink:label="lab_meso_TaxEffectOfForeignExchangeTranslationGainsLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Foreign Exchange Translation Gains (Losses)</link:label>
    <link:label id="lab_meso_TaxEffectOfForeignExchangeTranslationGainsLosses_documentation_en-US" xlink:label="lab_meso_TaxEffectOfForeignExchangeTranslationGainsLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Effect Of Foreign Exchange Translation Gains (Losses)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TaxEffectOfForeignExchangeTranslationGainsLosses" xlink:href="meso-20260630.xsd#meso_TaxEffectOfForeignExchangeTranslationGainsLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TaxEffectOfForeignExchangeTranslationGainsLosses" xlink:to="lab_meso_TaxEffectOfForeignExchangeTranslationGainsLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncomeStatementLocationsAxis_019f3528-b025-7b03-b4ad-b6954bf237ac_terseLabel_en-US" xlink:label="lab_meso_IncomeStatementLocationsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement Locations</link:label>
    <link:label id="lab_meso_IncomeStatementLocationsAxis_label_en-US" xlink:label="lab_meso_IncomeStatementLocationsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement Locations [Axis]</link:label>
    <link:label id="lab_meso_IncomeStatementLocationsAxis_documentation_en-US" xlink:label="lab_meso_IncomeStatementLocationsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income statement locations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncomeStatementLocationsAxis" xlink:href="meso-20260630.xsd#meso_IncomeStatementLocationsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncomeStatementLocationsAxis" xlink:to="lab_meso_IncomeStatementLocationsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredMember_019f3528-b025-7894-81d3-ecb409c7c842_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">100</link:label>
    <link:label id="lab_meso_SeriesOneHundredMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredMember" xlink:to="lab_meso_SeriesOneHundredMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed_019f3528-af4f-7725-b60d-480dafb41711_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">Short term leases expense</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_UnusedTaxLossesMember_019f3528-b026-79b4-bd24-1b01ef349c7a_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">Unused Tax Losses</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_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_019f3528-b0c3-77fb-a91b-64e27b463300_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">Foreign Currency Translation Reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_019f3528-b0c3-7a1e-981a-e997a676e42e_verboseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency translation reserve</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_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_019f3528-b025-7d4f-9127-66180432bd1b_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [axis]</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_SGD_019f3528-b026-72da-96cb-863d0f1758f1_terseLabel_en-US" xlink:label="lab_currency_SGD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SGD</link:label>
    <link:label id="lab_currency_SGD_label_en-US" xlink:label="lab_currency_SGD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Singapore, Dollars</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_SGD" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_SGD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_SGD" xlink:to="lab_currency_SGD" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNoncurrentFinancialAssets_019f3528-b026-7046-85fb-847e7490c2fb_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-current assets</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-current financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentFinancialAssets" xlink:to="lab_ifrs-full_OtherNoncurrentFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember_019f3528-b0c3-7659-95c0-806db6dd37e5_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets at amortized cost</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost, class [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill_019f3528-b0c3-7573-a911-0dea55112547_terseLabel_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Useful life measured as period of time, intangible assets other than goodwill</link:label>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Useful life measured as period of time, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions_019f3528-b025-7945-9b04-9ea8a4c15d73_negatedLabel_en-US" xlink:label="lab_ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Equity settled share-based payment transactions</link:label>
    <link:label id="lab_ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions_019f3528-b025-7792-8ed6-315455406864_terseLabel_en-US" xlink:label="lab_ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity settled share-based payment transactions</link:label>
    <link:label id="lab_ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions_label_en-US" xlink:label="lab_ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease (increase) through tax on share-based payment transactions, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions" xlink:to="lab_ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_019f3528-b14c-74f9-aece-4be2baab4827_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_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_019f3528-b0c3-7a76-8c4f-7138e963cd3d_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise of share options (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_019f3528-b0c3-7382-b2ac-b552b8e531e7_negatedLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Exercise of share options, (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_019f3528-b0c3-7181-8f5a-18243c60e9dd_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Exercise of share options (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options exercised in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OtherReservesAbstract_019f3528-b026-7e8f-9b94-b5e257be33d6_terseLabel_en-US" xlink:label="lab_meso_OtherReservesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserves</link:label>
    <link:label id="lab_meso_OtherReservesAbstract_label_en-US" xlink:label="lab_meso_OtherReservesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Reserves [Abstract]</link:label>
    <link:label id="lab_meso_OtherReservesAbstract_documentation_en-US" xlink:label="lab_meso_OtherReservesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Reserves.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherReservesAbstract" xlink:href="meso-20260630.xsd#meso_OtherReservesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OtherReservesAbstract" xlink:to="lab_meso_OtherReservesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_LoanCovenantMinimumUnrestrictedCashBalance_019f5ee8-4ae3-7858-828b-8f35bf9b82ba_terseLabel_en-US" xlink:label="lab_meso_LoanCovenantMinimumUnrestrictedCashBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum unrestricted cash balance</link:label>
    <link:label id="lab_meso_LoanCovenantMinimumUnrestrictedCashBalance_label_en-US" xlink:label="lab_meso_LoanCovenantMinimumUnrestrictedCashBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Covenant, Minimum Unrestricted Cash Balance</link:label>
    <link:label id="lab_meso_LoanCovenantMinimumUnrestrictedCashBalance_documentation_en-US" xlink:label="lab_meso_LoanCovenantMinimumUnrestrictedCashBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum unrestricted cash balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_LoanCovenantMinimumUnrestrictedCashBalance" xlink:href="meso-20260630.xsd#meso_LoanCovenantMinimumUnrestrictedCashBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_LoanCovenantMinimumUnrestrictedCashBalance" xlink:to="lab_meso_LoanCovenantMinimumUnrestrictedCashBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_country_SG_019f3528-b14c-71d8-8d2f-b3ba17e77efe_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_019f3528-b14c-7a34-872b-9faafcdc1da0_verboseLabel_en-US" xlink:label="lab_country_SG" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Singapore government</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_meso_BorrowingsCovenantPercentageOfSalesExceedAnnualPaymentCap_019f3528-b14c-719e-96a0-62df72e5a5d1_terseLabel_en-US" xlink:label="lab_meso_BorrowingsCovenantPercentageOfSalesExceedAnnualPaymentCap" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales percentage against payment cap amount</link:label>
    <link:label id="lab_meso_BorrowingsCovenantPercentageOfSalesExceedAnnualPaymentCap_label_en-US" xlink:label="lab_meso_BorrowingsCovenantPercentageOfSalesExceedAnnualPaymentCap" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Covenant, Percentage Of Sales Exceed Annual Payment Cap</link:label>
    <link:label id="lab_meso_BorrowingsCovenantPercentageOfSalesExceedAnnualPaymentCap_documentation_en-US" xlink:label="lab_meso_BorrowingsCovenantPercentageOfSalesExceedAnnualPaymentCap" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, Covenant, Percentage Of Sales Exceed Annual Payment Cap</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BorrowingsCovenantPercentageOfSalesExceedAnnualPaymentCap" xlink:href="meso-20260630.xsd#meso_BorrowingsCovenantPercentageOfSalesExceedAnnualPaymentCap"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BorrowingsCovenantPercentageOfSalesExceedAnnualPaymentCap" xlink:to="lab_meso_BorrowingsCovenantPercentageOfSalesExceedAnnualPaymentCap" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesEightyEightMember_019f3528-af4f-782f-8afe-61a19cd1e661_terseLabel_en-US" xlink:label="lab_meso_SeriesEightyEightMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">88</link:label>
    <link:label id="lab_meso_SeriesEightyEightMember_label_en-US" xlink:label="lab_meso_SeriesEightyEightMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty Eight [Member]</link:label>
    <link:label id="lab_meso_SeriesEightyEightMember_documentation_en-US" xlink:label="lab_meso_SeriesEightyEightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty Eight</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightyEightMember" xlink:href="meso-20260630.xsd#meso_SeriesEightyEightMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightyEightMember" xlink:to="lab_meso_SeriesEightyEightMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfPoliciesRelatedToTheNumberAndWeightedAverageExercisePricesOfShareOptionsTableTextBlock_019f3528-b14c-7366-b21f-b01b932438e3_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfPoliciesRelatedToTheNumberAndWeightedAverageExercisePricesOfShareOptionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Policies Related To Valuations of Options Approved and Granted</link:label>
    <link:label id="lab_meso_DisclosureOfPoliciesRelatedToTheNumberAndWeightedAverageExercisePricesOfShareOptionsTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfPoliciesRelatedToTheNumberAndWeightedAverageExercisePricesOfShareOptionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of policies related to the number and weighted average exercise prices of share options [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfPoliciesRelatedToTheNumberAndWeightedAverageExercisePricesOfShareOptionsTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfPoliciesRelatedToTheNumberAndWeightedAverageExercisePricesOfShareOptionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of policies related to the number and weighted average exercise prices of share options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfPoliciesRelatedToTheNumberAndWeightedAverageExercisePricesOfShareOptionsTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfPoliciesRelatedToTheNumberAndWeightedAverageExercisePricesOfShareOptionsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfPoliciesRelatedToTheNumberAndWeightedAverageExercisePricesOfShareOptionsTableTextBlock" xlink:to="lab_meso_DisclosureOfPoliciesRelatedToTheNumberAndWeightedAverageExercisePricesOfShareOptionsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentPortionOfLongtermBorrowings_019f3528-b0c3-7643-b782-ce5967461794_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentPortionOfLongtermBorrowings" 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_CurrentPortionOfLongtermBorrowings_label_en-US" xlink:label="lab_ifrs-full_CurrentPortionOfLongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current portion of non-current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentPortionOfLongtermBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentPortionOfLongtermBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentPortionOfLongtermBorrowings" xlink:to="lab_ifrs-full_CurrentPortionOfLongtermBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Equity_019f3528-b0c3-7c7f-b00c-d183f835eef8_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">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_Equity_019f3528-b0c3-7dca-bb40-4eb2dfdcb784_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">Ending balance</link:label>
    <link:label id="lab_ifrs-full_Equity_019f3528-b0c3-72fe-a613-e9811f408001_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_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_dei_EntityAddressesAddressTypeAxis_019f3528-b14c-73e6-a99e-6ba266dbead2_terseLabel_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Addresses, Address Type</link:label>
    <link:label id="lab_dei_EntityAddressesAddressTypeAxis_label_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Addresses, Address Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesAddressTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesAddressTypeAxis" xlink:to="lab_dei_EntityAddressesAddressTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019f3528-af4f-7d20-958b-afadaf796518_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_019f3528-af4f-7b80-be7d-ff7172852565_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_019f3528-af4f-7712-984b-39356ae6f943_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_ifrs-full_DisclosureOfCommitmentsExplanatory_019f3528-b0c3-7ed0-a3de-6eec3dc97b94_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of commitments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCommitmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherReceivables_01a01a28-7d04-741b-ac45-692828463bf8_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other receivables</link:label>
    <link:label id="lab_ifrs-full_OtherReceivables_label_en-US" xlink:label="lab_ifrs-full_OtherReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherReceivables" xlink:to="lab_ifrs-full_OtherReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInFairValueMeasurementDueToChangeInUnobservableInputLiabilities_019f3528-b025-728a-b8e7-1864f407f57b_terseLabel_en-US" xlink:label="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInFairValueMeasurementDueToChangeInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of reasonably possible increase (decrease) in fair value measurement due to change in unobservable input, liabilities</link:label>
    <link:label id="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInFairValueMeasurementDueToChangeInUnobservableInputLiabilities_label_en-US" xlink:label="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInFairValueMeasurementDueToChangeInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Reasonably Possible Increase (Decrease) In Fair Value Measurement Due To Change In Unobservable Input, Liabilities</link:label>
    <link:label id="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInFairValueMeasurementDueToChangeInUnobservableInputLiabilities_documentation_en-US" xlink:label="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInFairValueMeasurementDueToChangeInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Reasonably Possible Increase (Decrease) In Fair Value Measurement Due To Change In Unobservable Input, Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInFairValueMeasurementDueToChangeInUnobservableInputLiabilities" xlink:href="meso-20260630.xsd#meso_PercentageOfReasonablyPossibleIncreaseDecreaseInFairValueMeasurementDueToChangeInUnobservableInputLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInFairValueMeasurementDueToChangeInUnobservableInputLiabilities" xlink:to="lab_meso_PercentageOfReasonablyPossibleIncreaseDecreaseInFairValueMeasurementDueToChangeInUnobservableInputLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredTaxAssetsNotBroughtToAccountForUnusedTaxLossesAbstract_019f3528-b14c-79d3-b351-30ea61f59d2b_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccountForUnusedTaxLossesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unused tax losses</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsNotBroughtToAccountForUnusedTaxLossesAbstract_label_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccountForUnusedTaxLossesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Not Brought To Account For Unused Tax Losses [Abstract]</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsNotBroughtToAccountForUnusedTaxLossesAbstract_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccountForUnusedTaxLossesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax assets not brought to account for unused tax losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetsNotBroughtToAccountForUnusedTaxLossesAbstract" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetsNotBroughtToAccountForUnusedTaxLossesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetsNotBroughtToAccountForUnusedTaxLossesAbstract" xlink:to="lab_meso_DeferredTaxAssetsNotBroughtToAccountForUnusedTaxLossesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory_019f3528-af4f-7156-bf78-54d991516921_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Research and development undertaken internally</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for research and development expense [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilitiesUndiscountedCashFlows_019f3528-b026-7dea-984c-81015c5b0b31_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total contractual cash flows</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilitiesUndiscountedCashFlows_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial liabilities, undiscounted cash flows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialLiabilitiesUndiscountedCashFlows"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:to="lab_ifrs-full_DerivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_019f3528-b026-7480-8d80-ac8dee75b652_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Items that will not be reclassified to profit and loss</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_019f3528-af4f-74c7-8275-375ba11ade2c_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_meso_TrancheTwoMember_019f3528-b0c3-7ff2-bfc8-cc42dd791497_terseLabel_en-US" xlink:label="lab_meso_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_meso_TrancheTwoMember_label_en-US" xlink:label="lab_meso_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_meso_TrancheTwoMember_documentation_en-US" xlink:label="lab_meso_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_meso_TrancheTwoMember" xlink:href="meso-20260630.xsd#meso_TrancheTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TrancheTwoMember" xlink:to="lab_meso_TrancheTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_019f3528-b026-7e09-b18d-67912f990518_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Granted No. (during the year) (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options granted in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PostTaxDiscountRates_019f3528-b0c3-76bb-8e75-bad5dc359194_terseLabel_en-US" xlink:label="lab_meso_PostTaxDiscountRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real post-tax discount rate</link:label>
    <link:label id="lab_meso_PostTaxDiscountRates_label_en-US" xlink:label="lab_meso_PostTaxDiscountRates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Post Tax Discount Rates</link:label>
    <link:label id="lab_meso_PostTaxDiscountRates_documentation_en-US" xlink:label="lab_meso_PostTaxDiscountRates" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Post tax discount rates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PostTaxDiscountRates" xlink:href="meso-20260630.xsd#meso_PostTaxDiscountRates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PostTaxDiscountRates" xlink:to="lab_meso_PostTaxDiscountRates" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContingentConsiderationMember_019f3528-b026-709b-8cc2-e8cf5740db0a_terseLabel_en-US" xlink:label="lab_ifrs-full_ContingentConsiderationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_ifrs-full_ContingentConsiderationMember_label_en-US" xlink:label="lab_ifrs-full_ContingentConsiderationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent consideration [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContingentConsiderationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContingentConsiderationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContingentConsiderationMember" xlink:to="lab_ifrs-full_ContingentConsiderationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_019f3528-af4f-7820-bb88-efd09c239499_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 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_meso_NetMovementInRegulatoryDeferralAccountBalancesRelatedToDirectlyToEquity_019f3528-b14c-7ce6-aa6a-8caab066f56b_terseLabel_en-US" xlink:label="lab_meso_NetMovementInRegulatoryDeferralAccountBalancesRelatedToDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">- directly to equity</link:label>
    <link:label id="lab_meso_NetMovementInRegulatoryDeferralAccountBalancesRelatedToDirectlyToEquity_label_en-US" xlink:label="lab_meso_NetMovementInRegulatoryDeferralAccountBalancesRelatedToDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Movement In Regulatory Deferral Account Balances Related To Directly To Equity</link:label>
    <link:label id="lab_meso_NetMovementInRegulatoryDeferralAccountBalancesRelatedToDirectlyToEquity_documentation_en-US" xlink:label="lab_meso_NetMovementInRegulatoryDeferralAccountBalancesRelatedToDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net movement in regulatory deferral account balances related to directly to equity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NetMovementInRegulatoryDeferralAccountBalancesRelatedToDirectlyToEquity" xlink:href="meso-20260630.xsd#meso_NetMovementInRegulatoryDeferralAccountBalancesRelatedToDirectlyToEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NetMovementInRegulatoryDeferralAccountBalancesRelatedToDirectlyToEquity" xlink:to="lab_meso_NetMovementInRegulatoryDeferralAccountBalancesRelatedToDirectlyToEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DiscountRateMeasurementInputMember_019f3528-b0c3-7eb2-b37d-9b47bb58a969_terseLabel_en-US" xlink:label="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounted cash flows</link:label>
    <link:label id="lab_ifrs-full_DiscountRateMeasurementInputMember_label_en-US" xlink:label="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discount rate, measurement input [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DiscountRateMeasurementInputMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DiscountRateMeasurementInputMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DiscountRateMeasurementInputMember" xlink:to="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TotalAbstract_019f3528-af4f-728c-b72a-4979ebed3937_terseLabel_en-US" xlink:label="lab_meso_TotalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_meso_TotalAbstract_label_en-US" xlink:label="lab_meso_TotalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total [Abstract]</link:label>
    <link:label id="lab_meso_TotalAbstract_documentation_en-US" xlink:label="lab_meso_TotalAbstract" 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_meso_TotalAbstract" xlink:href="meso-20260630.xsd#meso_TotalAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TotalAbstract" xlink:to="lab_meso_TotalAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions_019fd856-f380-7f76-be7f-b96cf0181b36_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of product to a director</link:label>
    <link:label id="lab_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions_label_en-US" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from sale of goods, related party transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" xlink:to="lab_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_019f3528-b0c3-7f95-9e5f-932c961962cd_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_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract_019f3528-b0c3-7469-935d-95f948a4b78e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RemeasurementOfWarrantLiabilities_019f3528-b0c3-7694-889f-a4528122f186_terseLabel_en-US" xlink:label="lab_meso_RemeasurementOfWarrantLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of warrant liabilities</link:label>
    <link:label id="lab_meso_RemeasurementOfWarrantLiabilities_label_en-US" xlink:label="lab_meso_RemeasurementOfWarrantLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remeasurement Of Warrant Liabilities</link:label>
    <link:label id="lab_meso_RemeasurementOfWarrantLiabilities_documentation_en-US" xlink:label="lab_meso_RemeasurementOfWarrantLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remeasurement of warrant liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RemeasurementOfWarrantLiabilities" xlink:href="meso-20260630.xsd#meso_RemeasurementOfWarrantLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RemeasurementOfWarrantLiabilities" xlink:to="lab_meso_RemeasurementOfWarrantLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSixtyFourEMember_019f3528-b0c3-73c1-9ed4-6e96c0932e11_terseLabel_en-US" xlink:label="lab_meso_SeriesSixtyFourEMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">64e</link:label>
    <link:label id="lab_meso_SeriesSixtyFourEMember_label_en-US" xlink:label="lab_meso_SeriesSixtyFourEMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Sixty Four E [Member]</link:label>
    <link:label id="lab_meso_SeriesSixtyFourEMember_documentation_en-US" xlink:label="lab_meso_SeriesSixtyFourEMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 64e.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSixtyFourEMember" xlink:href="meso-20260630.xsd#meso_SeriesSixtyFourEMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSixtyFourEMember" xlink:to="lab_meso_SeriesSixtyFourEMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BorrowingsPrincipalAmortizationPeriod_019f3528-b026-700f-9c45-a7bb4fdc2362_terseLabel_en-US" xlink:label="lab_meso_BorrowingsPrincipalAmortizationPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings principal amortization period</link:label>
    <link:label id="lab_meso_BorrowingsPrincipalAmortizationPeriod_label_en-US" xlink:label="lab_meso_BorrowingsPrincipalAmortizationPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Principal Amortization Period</link:label>
    <link:label id="lab_meso_BorrowingsPrincipalAmortizationPeriod_documentation_en-US" xlink:label="lab_meso_BorrowingsPrincipalAmortizationPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, Principal Amortization Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BorrowingsPrincipalAmortizationPeriod" xlink:href="meso-20260630.xsd#meso_BorrowingsPrincipalAmortizationPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BorrowingsPrincipalAmortizationPeriod" xlink:to="lab_meso_BorrowingsPrincipalAmortizationPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_019f3528-b026-704c-86a4-7ea9da4e667e_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Loss attributable to the owners of Mesoblast Limited</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_019f3528-b026-7d44-bf1f-4b486f91ffb2_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">Loss for the period</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_meso_DisclosureOfDetailedInformationAboutLossBeforeIncomeTaxExplanatoryTextBlock_019f3528-b026-7f9a-ab46-cc9302785a25_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutLossBeforeIncomeTaxExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss before income tax</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutLossBeforeIncomeTaxExplanatoryTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutLossBeforeIncomeTaxExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Loss Before Income Tax Explanatory [Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutLossBeforeIncomeTaxExplanatoryTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutLossBeforeIncomeTaxExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about loss before income tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfDetailedInformationAboutLossBeforeIncomeTaxExplanatoryTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfDetailedInformationAboutLossBeforeIncomeTaxExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfDetailedInformationAboutLossBeforeIncomeTaxExplanatoryTextBlock" xlink:to="lab_meso_DisclosureOfDetailedInformationAboutLossBeforeIncomeTaxExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ARatedMember_019f3528-b0c3-7d2d-a447-8750b4a005e1_terseLabel_en-US" xlink:label="lab_meso_ARatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A rated</link:label>
    <link:label id="lab_meso_ARatedMember_label_en-US" xlink:label="lab_meso_ARatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">A Rated [Member]</link:label>
    <link:label id="lab_meso_ARatedMember_documentation_en-US" xlink:label="lab_meso_ARatedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rated.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ARatedMember" xlink:href="meso-20260630.xsd#meso_ARatedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ARatedMember" xlink:to="lab_meso_ARatedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForProvisions_019f3528-b025-7e96-bc1f-e42813c62fd8_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase/(decrease) in provisions</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForProvisions_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForProvisions" xlink:to="lab_ifrs-full_AdjustmentsForProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncreaseDecreaseInLeaseLiabilitiesArisingFromFinancingActivities_019f3528-af4f-7bea-99e3-3d8d940eea8c_terseLabel_en-US" xlink:label="lab_meso_IncreaseDecreaseInLeaseLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Changes, leases</link:label>
    <link:label id="lab_meso_IncreaseDecreaseInLeaseLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_meso_IncreaseDecreaseInLeaseLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Lease Liabilities Arising From Financing Activities</link:label>
    <link:label id="lab_meso_IncreaseDecreaseInLeaseLiabilitiesArisingFromFinancingActivities_documentation_en-US" xlink:label="lab_meso_IncreaseDecreaseInLeaseLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (decrease)in lease liabilities arising from financing activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseDecreaseInLeaseLiabilitiesArisingFromFinancingActivities" xlink:href="meso-20260630.xsd#meso_IncreaseDecreaseInLeaseLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseDecreaseInLeaseLiabilitiesArisingFromFinancingActivities" xlink:to="lab_meso_IncreaseDecreaseInLeaseLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AdjustmentForPreLaunchInventory_019f3528-b026-79cd-8422-ea9bcea7640a_negatedTerseLabel_en-US" xlink:label="lab_meso_AdjustmentForPreLaunchInventory" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Adjustment for pre-launch inventory</link:label>
    <link:label id="lab_meso_AdjustmentForPreLaunchInventory_label_en-US" xlink:label="lab_meso_AdjustmentForPreLaunchInventory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Pre-Launch Inventory</link:label>
    <link:label id="lab_meso_AdjustmentForPreLaunchInventory_documentation_en-US" xlink:label="lab_meso_AdjustmentForPreLaunchInventory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment For Pre-Launch Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AdjustmentForPreLaunchInventory" xlink:href="meso-20260630.xsd#meso_AdjustmentForPreLaunchInventory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AdjustmentForPreLaunchInventory" xlink:to="lab_meso_AdjustmentForPreLaunchInventory" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncreaseDecreaseThroughRemeasurementRightOfUseAssets_019f3528-b026-718a-9a87-c563caf12f8d_terseLabel_en-US" xlink:label="lab_meso_IncreaseDecreaseThroughRemeasurementRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement</link:label>
    <link:label id="lab_meso_IncreaseDecreaseThroughRemeasurementRightOfUseAssets_label_en-US" xlink:label="lab_meso_IncreaseDecreaseThroughRemeasurementRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Remeasurement, Right-of-Use Assets</link:label>
    <link:label id="lab_meso_IncreaseDecreaseThroughRemeasurementRightOfUseAssets_documentation_en-US" xlink:label="lab_meso_IncreaseDecreaseThroughRemeasurementRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Remeasurement, Right-of-Use Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseDecreaseThroughRemeasurementRightOfUseAssets" xlink:href="meso-20260630.xsd#meso_IncreaseDecreaseThroughRemeasurementRightOfUseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseDecreaseThroughRemeasurementRightOfUseAssets" xlink:to="lab_meso_IncreaseDecreaseThroughRemeasurementRightOfUseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RevenueFromSaleOfGoodsGrossPercentage_01a0227b-00a1-73a4-9c43-57fb60295805_terseLabel_en-US" xlink:label="lab_meso_RevenueFromSaleOfGoodsGrossPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross product sales, percentage</link:label>
    <link:label id="lab_meso_RevenueFromSaleOfGoodsGrossPercentage_label_en-US" xlink:label="lab_meso_RevenueFromSaleOfGoodsGrossPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue From Sale Of Goods, Gross Percentage</link:label>
    <link:label id="lab_meso_RevenueFromSaleOfGoodsGrossPercentage_documentation_en-US" xlink:label="lab_meso_RevenueFromSaleOfGoodsGrossPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue From Sale Of Goods, Gross Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RevenueFromSaleOfGoodsGrossPercentage" xlink:href="meso-20260630.xsd#meso_RevenueFromSaleOfGoodsGrossPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RevenueFromSaleOfGoodsGrossPercentage" xlink:to="lab_meso_RevenueFromSaleOfGoodsGrossPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems_019f3528-af4f-7f01-8839-9424bf1fba5f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting estimates [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting estimates [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:to="lab_ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromLeases_019f3528-b0c3-75b8-8e63-b11b7981eeaa_verboseLabel_en-US" xlink:label="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromLeases" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange adjustments, Leases</link:label>
    <link:label id="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromLeases_label_en-US" xlink:label="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromLeases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease Through Effect Of Changes In Foreign Exchange Rates Liabilities Arising From Leases</link:label>
    <link:label id="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromLeases_documentation_en-US" xlink:label="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromLeases" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from leases.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromLeases" xlink:href="meso-20260630.xsd#meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromLeases"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromLeases" xlink:to="lab_meso_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromLeases" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod_019f3528-b026-7765-98f0-5316d33dc06c_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income</link:label>
    <link:label id="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod_label_en-US" xlink:label="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest revenue calculated using effective interest method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:to="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_019f3528-b026-7971-8c0c-9e8dca14fec7_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">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_019f3528-b026-7e28-8620-09b6beb8252a_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">Ending 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_CurrentLiabilities_019f3528-b0c3-782a-a7a7-ec421aefbccb_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_019f3528-b0c3-7028-95e7-20d56becf5c2_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" 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_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_meso_RoyaltyPaymentsAtFairValueLiabilities_019f3528-b026-7273-b0f1-f727a32fe8f7_terseLabel_en-US" xlink:label="lab_meso_RoyaltyPaymentsAtFairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of royalty payments from commercialization of the intellectual property acquired</link:label>
    <link:label id="lab_meso_RoyaltyPaymentsAtFairValueLiabilities_label_en-US" xlink:label="lab_meso_RoyaltyPaymentsAtFairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Royalty Payments At Fair Value, Liabilities</link:label>
    <link:label id="lab_meso_RoyaltyPaymentsAtFairValueLiabilities_documentation_en-US" xlink:label="lab_meso_RoyaltyPaymentsAtFairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Royalty payments at fair value, liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RoyaltyPaymentsAtFairValueLiabilities" xlink:href="meso-20260630.xsd#meso_RoyaltyPaymentsAtFairValueLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RoyaltyPaymentsAtFairValueLiabilities" xlink:to="lab_meso_RoyaltyPaymentsAtFairValueLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BorrowingsTerm_019f3528-b0c3-7acc-99b5-0b2c136193d1_terseLabel_en-US" xlink:label="lab_meso_BorrowingsTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings term</link:label>
    <link:label id="lab_meso_BorrowingsTerm_label_en-US" xlink:label="lab_meso_BorrowingsTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Term</link:label>
    <link:label id="lab_meso_BorrowingsTerm_documentation_en-US" xlink:label="lab_meso_BorrowingsTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings term.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BorrowingsTerm" xlink:href="meso-20260630.xsd#meso_BorrowingsTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BorrowingsTerm" xlink:to="lab_meso_BorrowingsTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ClinicalTrialRelatedResearchAndDevelopmentExpense_019f3528-b0c3-7007-88ad-508a8e17738c_negatedTerseLabel_en-US" xlink:label="lab_meso_ClinicalTrialRelatedResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Clinical trial and research &amp; development</link:label>
    <link:label id="lab_meso_ClinicalTrialRelatedResearchAndDevelopmentExpense_label_en-US" xlink:label="lab_meso_ClinicalTrialRelatedResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Clinical Trial Related Research And Development Expense</link:label>
    <link:label id="lab_meso_ClinicalTrialRelatedResearchAndDevelopmentExpense_documentation_en-US" xlink:label="lab_meso_ClinicalTrialRelatedResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expenditure directly attributable to clinical trial related research and development.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ClinicalTrialRelatedResearchAndDevelopmentExpense" xlink:href="meso-20260630.xsd#meso_ClinicalTrialRelatedResearchAndDevelopmentExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ClinicalTrialRelatedResearchAndDevelopmentExpense" xlink:to="lab_meso_ClinicalTrialRelatedResearchAndDevelopmentExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetySevenCMember_019f3528-af4f-7f39-b149-9e2cf9253782_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetySevenCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">97c</link:label>
    <link:label id="lab_meso_SeriesNinetySevenCMember_label_en-US" xlink:label="lab_meso_SeriesNinetySevenCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Seven C [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetySevenCMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetySevenCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Seven C</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetySevenCMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetySevenCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetySevenCMember" xlink:to="lab_meso_SeriesNinetySevenCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_019f3528-b025-7e48-b472-8eca2b62ad05_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 asset</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_019f3528-b025-7eb7-8017-b3b5c59023fa_totalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total 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_019f3528-b0c3-778d-a59e-63759539dfc8_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">Inventory</link:label>
    <link:label id="lab_ifrs-full_Inventories_019f3528-b0c3-7e37-a61d-e22db91fe04b_totalLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Inventory</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_dei_DocumentAccountingStandard_019f3528-b026-7f5f-93dc-e8a2f7b7bee5_terseLabel_en-US" xlink:label="lab_dei_DocumentAccountingStandard" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Accounting Standard</link:label>
    <link:label id="lab_dei_DocumentAccountingStandard_label_en-US" xlink:label="lab_dei_DocumentAccountingStandard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Accounting Standard</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAccountingStandard" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentAccountingStandard"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAccountingStandard" xlink:to="lab_dei_DocumentAccountingStandard" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AmortizationOfCarryingAmountRelatedParties_01a031e1-dcec-7cb5-b413-124f14fd12d6_terseLabel_en-US" xlink:label="lab_meso_AmortizationOfCarryingAmountRelatedParties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of carrying amount</link:label>
    <link:label id="lab_meso_AmortizationOfCarryingAmountRelatedParties_label_en-US" xlink:label="lab_meso_AmortizationOfCarryingAmountRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization Of Carrying Amount, Related Parties</link:label>
    <link:label id="lab_meso_AmortizationOfCarryingAmountRelatedParties_documentation_en-US" xlink:label="lab_meso_AmortizationOfCarryingAmountRelatedParties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization Of Carrying Amount, Related Parties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AmortizationOfCarryingAmountRelatedParties" xlink:href="meso-20260630.xsd#meso_AmortizationOfCarryingAmountRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AmortizationOfCarryingAmountRelatedParties" xlink:to="lab_meso_AmortizationOfCarryingAmountRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorLineItems_label_en-US" xlink:label="lab_dei_AuditorLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLineItems" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorLineItems" xlink:to="lab_dei_AuditorLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FundsInvestedPercentage_019f3528-b026-7f90-a447-d4aa3d30c647_terseLabel_en-US" xlink:label="lab_meso_FundsInvestedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Funds invested percentage</link:label>
    <link:label id="lab_meso_FundsInvestedPercentage_label_en-US" xlink:label="lab_meso_FundsInvestedPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Funds Invested Percentage</link:label>
    <link:label id="lab_meso_FundsInvestedPercentage_documentation_en-US" xlink:label="lab_meso_FundsInvestedPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Funds invested percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FundsInvestedPercentage" xlink:href="meso-20260630.xsd#meso_FundsInvestedPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FundsInvestedPercentage" xlink:to="lab_meso_FundsInvestedPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_019f3528-b0c3-7abb-8c19-b603216c63c3_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_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_019f3528-af4f-7899-b5b6-907d01a893e3_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average remaining contractual life of outstanding share options</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average remaining contractual life of outstanding share options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:to="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ConvertibleNoteSubscriptionAgreementWarrantsMember_01a0179d-3e58-7c30-bcd5-f2351a351362_terseLabel_en-US" xlink:label="lab_meso_ConvertibleNoteSubscriptionAgreementWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible Note Subscription Agreement, Warrants</link:label>
    <link:label id="lab_meso_ConvertibleNoteSubscriptionAgreementWarrantsMember_label_en-US" xlink:label="lab_meso_ConvertibleNoteSubscriptionAgreementWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Note Subscription Agreement, Warrants [Member]</link:label>
    <link:label id="lab_meso_ConvertibleNoteSubscriptionAgreementWarrantsMember_documentation_en-US" xlink:label="lab_meso_ConvertibleNoteSubscriptionAgreementWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Convertible Note Subscription Agreement, Warrants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ConvertibleNoteSubscriptionAgreementWarrantsMember" xlink:href="meso-20260630.xsd#meso_ConvertibleNoteSubscriptionAgreementWarrantsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ConvertibleNoteSubscriptionAgreementWarrantsMember" xlink:to="lab_meso_ConvertibleNoteSubscriptionAgreementWarrantsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_019f3528-af4f-7b6e-942d-640735dd9817_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_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_019f3528-b025-7c9d-85aa-e9b6b2a4b6b0_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_ifrs-full_StatementOfChangesInEquityAbstract_019f3528-b0c3-7ba7-83a1-aeaa9acf0e7d_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [abstract]</link:label>
    <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_meso_OrdinarySharesPurchasedValue_019f3528-b0c3-7905-aefc-c01a619fe344_terseLabel_en-US" xlink:label="lab_meso_OrdinarySharesPurchasedValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ordinary shares value</link:label>
    <link:label id="lab_meso_OrdinarySharesPurchasedValue_label_en-US" xlink:label="lab_meso_OrdinarySharesPurchasedValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ordinary Shares Purchased Value</link:label>
    <link:label id="lab_meso_OrdinarySharesPurchasedValue_documentation_en-US" xlink:label="lab_meso_OrdinarySharesPurchasedValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ordinary shares value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OrdinarySharesPurchasedValue" xlink:href="meso-20260630.xsd#meso_OrdinarySharesPurchasedValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OrdinarySharesPurchasedValue" xlink:to="lab_meso_OrdinarySharesPurchasedValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarnings_019f3528-b0c3-7c06-96da-2ccc37a858b7_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">Accumulated losses</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_meso_NumberOfWarrantsExcercised_019f3528-af4f-7cdd-bccd-951010961416_terseLabel_en-US" xlink:label="lab_meso_NumberOfWarrantsExcercised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of warrants excercised (in shares)</link:label>
    <link:label id="lab_meso_NumberOfWarrantsExcercised_label_en-US" xlink:label="lab_meso_NumberOfWarrantsExcercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Warrants Excercised</link:label>
    <link:label id="lab_meso_NumberOfWarrantsExcercised_documentation_en-US" xlink:label="lab_meso_NumberOfWarrantsExcercised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Warrants Excercised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfWarrantsExcercised" xlink:href="meso-20260630.xsd#meso_NumberOfWarrantsExcercised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfWarrantsExcercised" xlink:to="lab_meso_NumberOfWarrantsExcercised" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_Series63aMember_019f3528-b025-77a2-b7f1-68fabf1ff4b0_terseLabel_en-US" xlink:label="lab_meso_Series63aMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">63a</link:label>
    <link:label id="lab_meso_Series63aMember_label_en-US" xlink:label="lab_meso_Series63aMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 63a [Member]</link:label>
    <link:label id="lab_meso_Series63aMember_documentation_en-US" xlink:label="lab_meso_Series63aMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 63a.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series63aMember" xlink:href="meso-20260630.xsd#meso_Series63aMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series63aMember" xlink:to="lab_meso_Series63aMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_GovernmentChargebacks_019fae21-fcbc-72bd-931a-6058595638ef_terseLabel_en-US" xlink:label="lab_meso_GovernmentChargebacks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government chargebacks</link:label>
    <link:label id="lab_meso_GovernmentChargebacks_label_en-US" xlink:label="lab_meso_GovernmentChargebacks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Government Chargebacks</link:label>
    <link:label id="lab_meso_GovernmentChargebacks_documentation_en-US" xlink:label="lab_meso_GovernmentChargebacks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Government Chargebacks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_GovernmentChargebacks" xlink:href="meso-20260630.xsd#meso_GovernmentChargebacks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_GovernmentChargebacks" xlink:to="lab_meso_GovernmentChargebacks" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PlacementAgreementMember_019f3528-b0c3-7fc1-a483-ba58c89534b1_terseLabel_en-US" xlink:label="lab_meso_PlacementAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement agreement</link:label>
    <link:label id="lab_meso_PlacementAgreementMember_label_en-US" xlink:label="lab_meso_PlacementAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Placement Agreement [Member]</link:label>
    <link:label id="lab_meso_PlacementAgreementMember_documentation_en-US" xlink:label="lab_meso_PlacementAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Placement agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PlacementAgreementMember" xlink:href="meso-20260630.xsd#meso_PlacementAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PlacementAgreementMember" xlink:to="lab_meso_PlacementAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RemeasurementAdjustmentsOnWarrants_019f3528-b026-7cf0-bb1c-85af4c098bdc_terseLabel_en-US" xlink:label="lab_meso_RemeasurementAdjustmentsOnWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement adjustments, warrant liability</link:label>
    <link:label id="lab_meso_RemeasurementAdjustmentsOnWarrants_label_en-US" xlink:label="lab_meso_RemeasurementAdjustmentsOnWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remeasurement Adjustments On Warrants</link:label>
    <link:label id="lab_meso_RemeasurementAdjustmentsOnWarrants_documentation_en-US" xlink:label="lab_meso_RemeasurementAdjustmentsOnWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remeasurement adjustments on warrants.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RemeasurementAdjustmentsOnWarrants" xlink:href="meso-20260630.xsd#meso_RemeasurementAdjustmentsOnWarrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RemeasurementAdjustmentsOnWarrants" xlink:to="lab_meso_RemeasurementAdjustmentsOnWarrants" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredTaxAssetsAndLiabilitiesLineItems_019f3528-b026-77d9-be8f-e28cda03ba85_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets And Liabilities [Line Items]</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsAndLiabilitiesLineItems_label_en-US" xlink:label="lab_meso_DeferredTaxAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets And Liabilities [Line Items]</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsAndLiabilitiesLineItems_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetsAndLiabilitiesLineItems" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetsAndLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetsAndLiabilitiesLineItems" xlink:to="lab_meso_DeferredTaxAssetsAndLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems_019f3528-af4f-7e17-8fd2-22af155130fa_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 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_meso_Series116Member_01a02205-e272-7a19-93b8-12ba5f8f8aa3_terseLabel_en-US" xlink:label="lab_meso_Series116Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">116</link:label>
    <link:label id="lab_meso_Series116Member_label_en-US" xlink:label="lab_meso_Series116Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 116 [Member]</link:label>
    <link:label id="lab_meso_Series116Member_documentation_en-US" xlink:label="lab_meso_Series116Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 116</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series116Member" xlink:href="meso-20260630.xsd#meso_Series116Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series116Member" xlink:to="lab_meso_Series116Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BuildingsMember_019f3528-af4f-7058-8689-482f39157710_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_meso_SeriesSixtyEightMember_019f3528-af4f-7366-9e8a-e150d9ca05a6_terseLabel_en-US" xlink:label="lab_meso_SeriesSixtyEightMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">68</link:label>
    <link:label id="lab_meso_SeriesSixtyEightMember_label_en-US" xlink:label="lab_meso_SeriesSixtyEightMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Sixty Eight [Member]</link:label>
    <link:label id="lab_meso_SeriesSixtyEightMember_documentation_en-US" xlink:label="lab_meso_SeriesSixtyEightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 68.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSixtyEightMember" xlink:href="meso-20260630.xsd#meso_SeriesSixtyEightMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSixtyEightMember" xlink:to="lab_meso_SeriesSixtyEightMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_01a0179c-6960-7e57-9318-c98a9ff2beb3_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">Number of other equity instruments granted in share-based payment arrangement (in shares)</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_ifrs-full_TypesOfRisksDomain_019f3528-b026-7666-80c1-00ae89cd3d60_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</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_meso_RegulatoryMilestonePaymentReceivable_019f3528-b0c3-7a25-bc04-a5e8a67a0ba5_terseLabel_en-US" xlink:label="lab_meso_RegulatoryMilestonePaymentReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory milestone payment receivable</link:label>
    <link:label id="lab_meso_RegulatoryMilestonePaymentReceivable_label_en-US" xlink:label="lab_meso_RegulatoryMilestonePaymentReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Milestone Payment Receivable</link:label>
    <link:label id="lab_meso_RegulatoryMilestonePaymentReceivable_documentation_en-US" xlink:label="lab_meso_RegulatoryMilestonePaymentReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Regulatory milestone payment receivable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RegulatoryMilestonePaymentReceivable" xlink:href="meso-20260630.xsd#meso_RegulatoryMilestonePaymentReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RegulatoryMilestonePaymentReceivable" xlink:to="lab_meso_RegulatoryMilestonePaymentReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_019f3528-af4f-7de5-a82a-75ce9092cf60_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Increase)/decrease in trade and other receivables</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in trade and other receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DerecognitionOfLeaseLiability_01a0151f-11c0-73fb-83e6-8a76ea1e590c_terseLabel_en-US" xlink:label="lab_meso_DerecognitionOfLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derecognition of lease liability</link:label>
    <link:label id="lab_meso_DerecognitionOfLeaseLiability_label_en-US" xlink:label="lab_meso_DerecognitionOfLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derecognition Of Lease Liability</link:label>
    <link:label id="lab_meso_DerecognitionOfLeaseLiability_documentation_en-US" xlink:label="lab_meso_DerecognitionOfLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derecognition Of Lease Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DerecognitionOfLeaseLiability" xlink:href="meso-20260630.xsd#meso_DerecognitionOfLeaseLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DerecognitionOfLeaseLiability" xlink:to="lab_meso_DerecognitionOfLeaseLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_Series87bMember_019f3528-b0c3-7aeb-b450-6508574d3daa_terseLabel_en-US" xlink:label="lab_meso_Series87bMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">87b</link:label>
    <link:label id="lab_meso_Series87bMember_label_en-US" xlink:label="lab_meso_Series87bMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 87b [Member]</link:label>
    <link:label id="lab_meso_Series87bMember_documentation_en-US" xlink:label="lab_meso_Series87bMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 87b</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series87bMember" xlink:href="meso-20260630.xsd#meso_Series87bMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series87bMember" xlink:to="lab_meso_Series87bMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_ContactPersonnelFaxNumber_019f3528-b0c3-74ac-ab3b-1e245407b45b_terseLabel_en-US" xlink:label="lab_dei_ContactPersonnelFaxNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contact Personnel Fax Number</link:label>
    <link:label id="lab_dei_ContactPersonnelFaxNumber_label_en-US" xlink:label="lab_dei_ContactPersonnelFaxNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contact Personnel Fax Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ContactPersonnelFaxNumber" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_ContactPersonnelFaxNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelFaxNumber" xlink:to="lab_dei_ContactPersonnelFaxNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventySixMember_019f3528-b0c3-7353-890b-4a45c653359f_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventySixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">76</link:label>
    <link:label id="lab_meso_SeriesSeventySixMember_label_en-US" xlink:label="lab_meso_SeriesSeventySixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Six [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventySixMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventySixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Seventy Six</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventySixMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventySixMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventySixMember" xlink:to="lab_meso_SeriesSeventySixMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_019f3528-b025-7eb9-9ac5-1e3f89fafda5_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_meso_NumberOfSharesReservedForIssueUnderSharePlacementAgreement_019f3528-b026-7ed2-b9d5-d6e522a6e8a0_terseLabel_en-US" xlink:label="lab_meso_NumberOfSharesReservedForIssueUnderSharePlacementAgreement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement of shares under a share placement agreement (in shares)</link:label>
    <link:label id="lab_meso_NumberOfSharesReservedForIssueUnderSharePlacementAgreement_label_en-US" xlink:label="lab_meso_NumberOfSharesReservedForIssueUnderSharePlacementAgreement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Shares Reserved For Issue Under Share Placement Agreement</link:label>
    <link:label id="lab_meso_NumberOfSharesReservedForIssueUnderSharePlacementAgreement_documentation_en-US" xlink:label="lab_meso_NumberOfSharesReservedForIssueUnderSharePlacementAgreement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Shares Reserved For Issue Under Share Placement Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfSharesReservedForIssueUnderSharePlacementAgreement" xlink:href="meso-20260630.xsd#meso_NumberOfSharesReservedForIssueUnderSharePlacementAgreement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfSharesReservedForIssueUnderSharePlacementAgreement" xlink:to="lab_meso_NumberOfSharesReservedForIssueUnderSharePlacementAgreement" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AuditorsRemunerationForOtherAuditServices_01a02219-de64-7116-a79a-ce0e18e3c252_terseLabel_en-US" xlink:label="lab_meso_AuditorsRemunerationForOtherAuditServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other audit services</link:label>
    <link:label id="lab_meso_AuditorsRemunerationForOtherAuditServices_label_en-US" xlink:label="lab_meso_AuditorsRemunerationForOtherAuditServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's Remuneration For Other Audit Services</link:label>
    <link:label id="lab_meso_AuditorsRemunerationForOtherAuditServices_documentation_en-US" xlink:label="lab_meso_AuditorsRemunerationForOtherAuditServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Auditor's Remuneration For Other Audit Services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AuditorsRemunerationForOtherAuditServices" xlink:href="meso-20260630.xsd#meso_AuditorsRemunerationForOtherAuditServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AuditorsRemunerationForOtherAuditServices" xlink:to="lab_meso_AuditorsRemunerationForOtherAuditServices" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortyNineMember_019f3528-b026-7e60-b0b6-9aee184856e6_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyNineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">49</link:label>
    <link:label id="lab_meso_SeriesFortyNineMember_label_en-US" xlink:label="lab_meso_SeriesFortyNineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Nine [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyNineMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyNineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 49.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyNineMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyNineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyNineMember" xlink:to="lab_meso_SeriesFortyNineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfMovementsOfSharesInShareTrustExplanatoryTableTextBlock_019f3528-b026-7b21-86d8-299df139ed17_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfMovementsOfSharesInShareTrustExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Movements of Shares in Share Trust</link:label>
    <link:label id="lab_meso_DisclosureOfMovementsOfSharesInShareTrustExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfMovementsOfSharesInShareTrustExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Movements Of Shares In Share Trust Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfMovementsOfSharesInShareTrustExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfMovementsOfSharesInShareTrustExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of movements of shares in share trust.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfMovementsOfSharesInShareTrustExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfMovementsOfSharesInShareTrustExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfMovementsOfSharesInShareTrustExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfMovementsOfSharesInShareTrustExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory_019f3528-b0c3-7fdf-9316-2626907dcf41_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment reporting</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_meso_Series110aMember_01a021fd-99ad-755d-b5ba-35692df75a1b_terseLabel_en-US" xlink:label="lab_meso_Series110aMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">110a</link:label>
    <link:label id="lab_meso_Series110aMember_label_en-US" xlink:label="lab_meso_Series110aMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 110a [Member]</link:label>
    <link:label id="lab_meso_Series110aMember_documentation_en-US" xlink:label="lab_meso_Series110aMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 110a</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series110aMember" xlink:href="meso-20260630.xsd#meso_Series110aMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series110aMember" xlink:to="lab_meso_Series110aMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_019f3528-b0c3-76b2-8bfd-ee7521c64f0d_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_meso_OptionExerciseTermInConnectionWithCessationOfEmployment_019f3528-b026-739b-82d4-c400a88fc679_terseLabel_en-US" xlink:label="lab_meso_OptionExerciseTermInConnectionWithCessationOfEmployment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Option exercise term in connection with cessation of employment</link:label>
    <link:label id="lab_meso_OptionExerciseTermInConnectionWithCessationOfEmployment_label_en-US" xlink:label="lab_meso_OptionExerciseTermInConnectionWithCessationOfEmployment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option Exercise Term In Connection With Cessation Of Employment</link:label>
    <link:label id="lab_meso_OptionExerciseTermInConnectionWithCessationOfEmployment_documentation_en-US" xlink:label="lab_meso_OptionExerciseTermInConnectionWithCessationOfEmployment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Option exercise term in connection with cessation of employment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OptionExerciseTermInConnectionWithCessationOfEmployment" xlink:href="meso-20260630.xsd#meso_OptionExerciseTermInConnectionWithCessationOfEmployment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OptionExerciseTermInConnectionWithCessationOfEmployment" xlink:to="lab_meso_OptionExerciseTermInConnectionWithCessationOfEmployment" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_JCRPharmaceuticalsCoLTDMember_019f3528-af4f-7c5d-8595-8241d602a514_terseLabel_en-US" xlink:label="lab_meso_JCRPharmaceuticalsCoLTDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">J C R Pharmaceuticals Co L T D</link:label>
    <link:label id="lab_meso_JCRPharmaceuticalsCoLTDMember_label_en-US" xlink:label="lab_meso_JCRPharmaceuticalsCoLTDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">J C R Pharmaceuticals Co L T D [Member]</link:label>
    <link:label id="lab_meso_JCRPharmaceuticalsCoLTDMember_documentation_en-US" xlink:label="lab_meso_JCRPharmaceuticalsCoLTDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">JCR Pharmaceuticals Co LTD.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_JCRPharmaceuticalsCoLTDMember" xlink:href="meso-20260630.xsd#meso_JCRPharmaceuticalsCoLTDMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_JCRPharmaceuticalsCoLTDMember" xlink:to="lab_meso_JCRPharmaceuticalsCoLTDMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesIssuedAndFullyPaid_019f3528-b025-7d65-9340-5113185f6daa_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fully-paid ordinary shares (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssuedAndFullyPaid_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of shares issued and fully paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssuedAndFullyPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:to="lab_ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities_019f3528-b0c3-7897-9b2d-1aa235e8be2a_negatedPeriodStartLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">Sub-total at beginning of period</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities_019f3528-b0c3-73e6-8a4b-73549e56653c_negatedPeriodEndLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">Sub-total at end of period</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExplanationOfModificationsModifiedSharebasedPaymentArrangements_019f3528-b14c-70cf-8739-16816ee2d521_terseLabel_en-US" xlink:label="lab_ifrs-full_ExplanationOfModificationsModifiedSharebasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Modification made to share based payment arrangements</link:label>
    <link:label id="lab_ifrs-full_ExplanationOfModificationsModifiedSharebasedPaymentArrangements_label_en-US" xlink:label="lab_ifrs-full_ExplanationOfModificationsModifiedSharebasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Explanation of modifications, modified share-based payment arrangements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExplanationOfModificationsModifiedSharebasedPaymentArrangements" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExplanationOfModificationsModifiedSharebasedPaymentArrangements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExplanationOfModificationsModifiedSharebasedPaymentArrangements" xlink:to="lab_ifrs-full_ExplanationOfModificationsModifiedSharebasedPaymentArrangements" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesEightyOneMember_019f3528-b0c3-733f-97ce-26ab5b919f4c_terseLabel_en-US" xlink:label="lab_meso_SeriesEightyOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">81</link:label>
    <link:label id="lab_meso_SeriesEightyOneMember_label_en-US" xlink:label="lab_meso_SeriesEightyOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty One [Member]</link:label>
    <link:label id="lab_meso_SeriesEightyOneMember_documentation_en-US" xlink:label="lab_meso_SeriesEightyOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightyOneMember" xlink:href="meso-20260630.xsd#meso_SeriesEightyOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightyOneMember" xlink:to="lab_meso_SeriesEightyOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TEMCELLAssetMember_019f3528-b026-76c9-8693-67270a40bfc8_terseLabel_en-US" xlink:label="lab_meso_TEMCELLAssetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TEMCELL Asset</link:label>
    <link:label id="lab_meso_TEMCELLAssetMember_label_en-US" xlink:label="lab_meso_TEMCELLAssetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">T E M C E L L Asset [Member]</link:label>
    <link:label id="lab_meso_TEMCELLAssetMember_documentation_en-US" xlink:label="lab_meso_TEMCELLAssetMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">TEMCELL asset.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TEMCELLAssetMember" xlink:href="meso-20260630.xsd#meso_TEMCELLAssetMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TEMCELLAssetMember" xlink:to="lab_meso_TEMCELLAssetMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_019f3528-af4f-7351-8508-2e1b92ed47d4_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_019f3528-af4f-71ac-95d8-b8b22b821b73_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_meso_DisclosureOfLeaseLiabilitiesExplanatoryTableTextBlock_019f3528-b026-75d0-b4d0-18bee18c8858_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfLeaseLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Lease Liabilities</link:label>
    <link:label id="lab_meso_DisclosureOfLeaseLiabilitiesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfLeaseLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Lease Liabilities Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfLeaseLiabilitiesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfLeaseLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of lease liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfLeaseLiabilitiesExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfLeaseLiabilitiesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfLeaseLiabilitiesExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfLeaseLiabilitiesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BorrowingFacilitiesRemainingBorrowingCapacity_019f5a44-a335-7395-aa32-03bb57f0a8b0_terseLabel_en-US" xlink:label="lab_meso_BorrowingFacilitiesRemainingBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowing facilities, remaining borrowing capacity</link:label>
    <link:label id="lab_meso_BorrowingFacilitiesRemainingBorrowingCapacity_label_en-US" xlink:label="lab_meso_BorrowingFacilitiesRemainingBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Remaining Borrowing Capacity</link:label>
    <link:label id="lab_meso_BorrowingFacilitiesRemainingBorrowingCapacity_documentation_en-US" xlink:label="lab_meso_BorrowingFacilitiesRemainingBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Remaining Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BorrowingFacilitiesRemainingBorrowingCapacity" xlink:href="meso-20260630.xsd#meso_BorrowingFacilitiesRemainingBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BorrowingFacilitiesRemainingBorrowingCapacity" xlink:to="lab_meso_BorrowingFacilitiesRemainingBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_019f3528-b0c3-768d-889b-ef5fb1b251d5_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDebt_019f3528-af4f-7b48-96d1-9465f021ef24_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_NetDebt" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Net Debt</link:label>
    <link:label id="lab_ifrs-full_NetDebt_019f3528-af4f-7c1c-8719-465493ed19c6_negatedPeriodStartLabel_en-US" xlink:label="lab_ifrs-full_NetDebt" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">As at June 30, 2025</link:label>
    <link:label id="lab_ifrs-full_NetDebt_019f3528-af4f-78e6-b573-08ea60d35de1_negatedPeriodEndLabel_en-US" xlink:label="lab_ifrs-full_NetDebt" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">As at June 30, 2026</link:label>
    <link:label id="lab_ifrs-full_NetDebt_label_en-US" xlink:label="lab_ifrs-full_NetDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetDebt" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDebt" xlink:to="lab_ifrs-full_NetDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFinStmtErrorCorrectionFlag_019f3528-b0c3-70b8-a820-9c949a85cf72_terseLabel_en-US" xlink:label="lab_dei_DocumentFinStmtErrorCorrectionFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Financial Statement Error Correction [Flag]</link:label>
    <link:label id="lab_dei_DocumentFinStmtErrorCorrectionFlag_label_en-US" xlink:label="lab_dei_DocumentFinStmtErrorCorrectionFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Financial Statement Error Correction [Flag]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFinStmtErrorCorrectionFlag" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFinStmtErrorCorrectionFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFinStmtErrorCorrectionFlag" xlink:to="lab_dei_DocumentFinStmtErrorCorrectionFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_019f3528-b025-7b65-9dcc-b2e7c0296097_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Fair Value Measurement Of Assets [Table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value measurement of assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill_01a01782-6a22-7b19-9170-cdb70e4f15c8_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill" 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_DisposalsIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposals, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyTwoMember_019f3528-b0c3-707a-b47c-f2cc696d956b_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">72</link:label>
    <link:label id="lab_meso_SeriesSeventyTwoMember_label_en-US" xlink:label="lab_meso_SeriesSeventyTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Two [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyTwoMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 72.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyTwoMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyTwoMember" xlink:to="lab_meso_SeriesSeventyTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019f3528-b026-7ae3-abf1-f80fd1836d40_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 &amp; cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019f3528-b026-7899-827c-9af4b3fd2ed5_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">Cash and cash equivalents at beginning of period</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019f3528-b026-7657-8292-101e2ada1863_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">Cash and cash equivalents at end of period</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019f3528-b026-7381-b7c1-c71bed6ab10a_totalLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019f3528-b026-7d24-a954-eba5cc6d8c07_verboseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</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_meso_DeferredConsiderationMilestoneConsiderationRecognized_019f3528-b026-7b97-a9e6-c95e4d601259_terseLabel_en-US" xlink:label="lab_meso_DeferredConsiderationMilestoneConsiderationRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred consideration milestone consideration recognized</link:label>
    <link:label id="lab_meso_DeferredConsiderationMilestoneConsiderationRecognized_label_en-US" xlink:label="lab_meso_DeferredConsiderationMilestoneConsiderationRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Consideration Milestone Consideration Recognized</link:label>
    <link:label id="lab_meso_DeferredConsiderationMilestoneConsiderationRecognized_documentation_en-US" xlink:label="lab_meso_DeferredConsiderationMilestoneConsiderationRecognized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred consideration milestone consideration recognized.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredConsiderationMilestoneConsiderationRecognized" xlink:href="meso-20260630.xsd#meso_DeferredConsiderationMilestoneConsiderationRecognized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredConsiderationMilestoneConsiderationRecognized" xlink:to="lab_meso_DeferredConsiderationMilestoneConsiderationRecognized" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable_019f3528-b025-7097-9547-d4d614a8017e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Maturity Analysis For Derivative Financial Liabilities [Table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationTable_019f3528-af4f-74ea-b61b-4488a14555c0_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:label id="lab_dei_DocumentInformationTable_label_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationTable" xlink:to="lab_dei_DocumentInformationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslation_019f3528-b026-7fa1-878e-d96c26085401_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Currency Translation Reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslation_label_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of exchange differences on translation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:to="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_GovernmentRebatesAndChargebacksMember_019fd25a-41d5-7df2-95b1-e33c7ae8677c_terseLabel_en-US" xlink:label="lab_meso_GovernmentRebatesAndChargebacksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government rebates and chargebacks</link:label>
    <link:label id="lab_meso_GovernmentRebatesAndChargebacksMember_label_en-US" xlink:label="lab_meso_GovernmentRebatesAndChargebacksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Government Rebates And Chargebacks [Member]</link:label>
    <link:label id="lab_meso_GovernmentRebatesAndChargebacksMember_documentation_en-US" xlink:label="lab_meso_GovernmentRebatesAndChargebacksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Government Rebates And Chargebacks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_GovernmentRebatesAndChargebacksMember" xlink:href="meso-20260630.xsd#meso_GovernmentRebatesAndChargebacksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_GovernmentRebatesAndChargebacksMember" xlink:to="lab_meso_GovernmentRebatesAndChargebacksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ExpectedDividendAsPercentageOtherEquityInstrumentsGranted_01a035f1-9443-75d7-af99-c21019393639_terseLabel_en-US" xlink:label="lab_meso_ExpectedDividendAsPercentageOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend Yield</link:label>
    <link:label id="lab_meso_ExpectedDividendAsPercentageOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_meso_ExpectedDividendAsPercentageOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Dividend As Percentage, Other Equity Instruments Granted</link:label>
    <link:label id="lab_meso_ExpectedDividendAsPercentageOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_meso_ExpectedDividendAsPercentageOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Dividend As Percentage, Other Equity Instruments Granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpectedDividendAsPercentageOtherEquityInstrumentsGranted" xlink:href="meso-20260630.xsd#meso_ExpectedDividendAsPercentageOtherEquityInstrumentsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpectedDividendAsPercentageOtherEquityInstrumentsGranted" xlink:to="lab_meso_ExpectedDividendAsPercentageOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfTradeAndOtherReceivablesWithCreditRiskExplanatoryTableTextBlock_019f3528-b14c-7a7e-ad5b-a09cc79c1377_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfTradeAndOtherReceivablesWithCreditRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Group's Receivables</link:label>
    <link:label id="lab_meso_DisclosureOfTradeAndOtherReceivablesWithCreditRiskExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfTradeAndOtherReceivablesWithCreditRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Trade And Other Receivables With Credit Risk Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfTradeAndOtherReceivablesWithCreditRiskExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfTradeAndOtherReceivablesWithCreditRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of trade and other receivables with credit risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfTradeAndOtherReceivablesWithCreditRiskExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfTradeAndOtherReceivablesWithCreditRiskExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfTradeAndOtherReceivablesWithCreditRiskExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfTradeAndOtherReceivablesWithCreditRiskExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ResearchAndDevelopmentMember_019f3528-b025-79f1-a195-2c9909bb296f_terseLabel_en-US" xlink:label="lab_meso_ResearchAndDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Research and development</link:label>
    <link:label id="lab_meso_ResearchAndDevelopmentMember_label_en-US" xlink:label="lab_meso_ResearchAndDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Research And Development [Member]</link:label>
    <link:label id="lab_meso_ResearchAndDevelopmentMember_documentation_en-US" xlink:label="lab_meso_ResearchAndDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Research and development.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ResearchAndDevelopmentMember" xlink:href="meso-20260630.xsd#meso_ResearchAndDevelopmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ResearchAndDevelopmentMember" xlink:to="lab_meso_ResearchAndDevelopmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DepreciationRightOfUseAssetsExcludingDepreciationOnCapitalizedInventory_01a02229-d7ba-7680-ab73-3b83a9c2c162_negatedTerseLabel_en-US" xlink:label="lab_meso_DepreciationRightOfUseAssetsExcludingDepreciationOnCapitalizedInventory" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Right of use asset depreciation</link:label>
    <link:label id="lab_meso_DepreciationRightOfUseAssetsExcludingDepreciationOnCapitalizedInventory_label_en-US" xlink:label="lab_meso_DepreciationRightOfUseAssetsExcludingDepreciationOnCapitalizedInventory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, Right-of-Use Assets Excluding Depreciation On Capitalized Inventory</link:label>
    <link:label id="lab_meso_DepreciationRightOfUseAssetsExcludingDepreciationOnCapitalizedInventory_documentation_en-US" xlink:label="lab_meso_DepreciationRightOfUseAssetsExcludingDepreciationOnCapitalizedInventory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Depreciation, Right-of-Use Assets Excluding Depreciation On Capitalized Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DepreciationRightOfUseAssetsExcludingDepreciationOnCapitalizedInventory" xlink:href="meso-20260630.xsd#meso_DepreciationRightOfUseAssetsExcludingDepreciationOnCapitalizedInventory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DepreciationRightOfUseAssetsExcludingDepreciationOnCapitalizedInventory" xlink:to="lab_meso_DepreciationRightOfUseAssetsExcludingDepreciationOnCapitalizedInventory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_019fd822-75e6-74c3-9ec5-0de62c19f677_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">Schedule of Transactions with Other Related Parties</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_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_019f3528-b0c3-7cc2-9280-67feb1a11eea_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">Summary of Borrowings</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_country_US_019f3528-b0c3-734f-8ba9-0b56d3209f49_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 government</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_BusinessCombinationsAxis_019f3528-b0c3-7ddb-b919-1ceadfb62ae3_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_ifrs-full_BusinessCombinationsDomain_019f3528-af4f-7d4e-9961-67efd698c973_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</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_meso_OtherTaxCreditsForWhichNoDeferredTaxAssetRecognised_019f3528-b14c-713c-be42-141250ec614f_terseLabel_en-US" xlink:label="lab_meso_OtherTaxCreditsForWhichNoDeferredTaxAssetRecognised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Potential tax benefit at local tax rates</link:label>
    <link:label id="lab_meso_OtherTaxCreditsForWhichNoDeferredTaxAssetRecognised_label_en-US" xlink:label="lab_meso_OtherTaxCreditsForWhichNoDeferredTaxAssetRecognised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Tax Credits For Which No Deferred Tax Asset Recognised</link:label>
    <link:label id="lab_meso_OtherTaxCreditsForWhichNoDeferredTaxAssetRecognised_documentation_en-US" xlink:label="lab_meso_OtherTaxCreditsForWhichNoDeferredTaxAssetRecognised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other tax credits for which no deferred Tax Asset Recognised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherTaxCreditsForWhichNoDeferredTaxAssetRecognised" xlink:href="meso-20260630.xsd#meso_OtherTaxCreditsForWhichNoDeferredTaxAssetRecognised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OtherTaxCreditsForWhichNoDeferredTaxAssetRecognised" xlink:to="lab_meso_OtherTaxCreditsForWhichNoDeferredTaxAssetRecognised" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_InterestPaidRelatedParties_01a021ab-de16-7719-8be8-a453fffbf741_negatedTerseLabel_en-US" xlink:label="lab_meso_InterestPaidRelatedParties" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest paid</link:label>
    <link:label id="lab_meso_InterestPaidRelatedParties_label_en-US" xlink:label="lab_meso_InterestPaidRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Related Parties</link:label>
    <link:label id="lab_meso_InterestPaidRelatedParties_documentation_en-US" xlink:label="lab_meso_InterestPaidRelatedParties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Paid, Related Parties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_InterestPaidRelatedParties" xlink:href="meso-20260630.xsd#meso_InterestPaidRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_InterestPaidRelatedParties" xlink:to="lab_meso_InterestPaidRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RevenueFromSaleOfGoodsTotalGrossToNetAdjustmentsPercentage_019f5f96-934e-7997-b04d-b970b5a96977_terseLabel_en-US" xlink:label="lab_meso_RevenueFromSaleOfGoodsTotalGrossToNetAdjustmentsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of gross sales</link:label>
    <link:label id="lab_meso_RevenueFromSaleOfGoodsTotalGrossToNetAdjustmentsPercentage_label_en-US" xlink:label="lab_meso_RevenueFromSaleOfGoodsTotalGrossToNetAdjustmentsPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue From Sale Of Goods, Total Gross To Net Adjustments Percentage</link:label>
    <link:label id="lab_meso_RevenueFromSaleOfGoodsTotalGrossToNetAdjustmentsPercentage_documentation_en-US" xlink:label="lab_meso_RevenueFromSaleOfGoodsTotalGrossToNetAdjustmentsPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue From Sale Of Goods, Total Gross To Net Adjustments Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RevenueFromSaleOfGoodsTotalGrossToNetAdjustmentsPercentage" xlink:href="meso-20260630.xsd#meso_RevenueFromSaleOfGoodsTotalGrossToNetAdjustmentsPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RevenueFromSaleOfGoodsTotalGrossToNetAdjustmentsPercentage" xlink:to="lab_meso_RevenueFromSaleOfGoodsTotalGrossToNetAdjustmentsPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MaximumPercentageOfTotalIssuedCapitalFromESOPOptionsGranted_019f3528-b0c3-7fd3-bdad-07e7b10cf6ba_terseLabel_en-US" xlink:label="lab_meso_MaximumPercentageOfTotalIssuedCapitalFromESOPOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum percentage of total issued capital from ESOP options granted</link:label>
    <link:label id="lab_meso_MaximumPercentageOfTotalIssuedCapitalFromESOPOptionsGranted_label_en-US" xlink:label="lab_meso_MaximumPercentageOfTotalIssuedCapitalFromESOPOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Percentage Of Total Issued Capital From ESOP Options Granted</link:label>
    <link:label id="lab_meso_MaximumPercentageOfTotalIssuedCapitalFromESOPOptionsGranted_documentation_en-US" xlink:label="lab_meso_MaximumPercentageOfTotalIssuedCapitalFromESOPOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Percentage Of Total Issued Capital From ESOP Options Granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MaximumPercentageOfTotalIssuedCapitalFromESOPOptionsGranted" xlink:href="meso-20260630.xsd#meso_MaximumPercentageOfTotalIssuedCapitalFromESOPOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MaximumPercentageOfTotalIssuedCapitalFromESOPOptionsGranted" xlink:to="lab_meso_MaximumPercentageOfTotalIssuedCapitalFromESOPOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TradePayablesAndAccrualsMember_019f3528-b026-7d2b-a774-ae8f8c462249_terseLabel_en-US" xlink:label="lab_meso_TradePayablesAndAccrualsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade payables and accruals</link:label>
    <link:label id="lab_meso_TradePayablesAndAccrualsMember_label_en-US" xlink:label="lab_meso_TradePayablesAndAccrualsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade Payables And Accruals [Member]</link:label>
    <link:label id="lab_meso_TradePayablesAndAccrualsMember_documentation_en-US" xlink:label="lab_meso_TradePayablesAndAccrualsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade payables and accruals.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TradePayablesAndAccrualsMember" xlink:href="meso-20260630.xsd#meso_TradePayablesAndAccrualsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TradePayablesAndAccrualsMember" xlink:to="lab_meso_TradePayablesAndAccrualsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfMovementsInOrdinaryShareCapitalExplanatoryTableTextBlock_019f3528-b026-7116-ac3c-de5f1b7057d4_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfMovementsInOrdinaryShareCapitalExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Movements in Ordinary Share Capital</link:label>
    <link:label id="lab_meso_DisclosureOfMovementsInOrdinaryShareCapitalExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfMovementsInOrdinaryShareCapitalExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Movements In Ordinary Share Capital Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfMovementsInOrdinaryShareCapitalExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfMovementsInOrdinaryShareCapitalExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of movements in ordinary share capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfMovementsInOrdinaryShareCapitalExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfMovementsInOrdinaryShareCapitalExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfMovementsInOrdinaryShareCapitalExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfMovementsInOrdinaryShareCapitalExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_WarrantLiabilityFairValueAtGrantDate_019fd75e-fb06-7256-98d9-35ce49dbf4bb_terseLabel_en-US" xlink:label="lab_meso_WarrantLiabilityFairValueAtGrantDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrants fair value at grant date - December 30, 2025</link:label>
    <link:label id="lab_meso_WarrantLiabilityFairValueAtGrantDate_label_en-US" xlink:label="lab_meso_WarrantLiabilityFairValueAtGrantDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrant Liability, Fair Value At Grant Date</link:label>
    <link:label id="lab_meso_WarrantLiabilityFairValueAtGrantDate_documentation_en-US" xlink:label="lab_meso_WarrantLiabilityFairValueAtGrantDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrant Liability, Fair Value At Grant Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WarrantLiabilityFairValueAtGrantDate" xlink:href="meso-20260630.xsd#meso_WarrantLiabilityFairValueAtGrantDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_WarrantLiabilityFairValueAtGrantDate" xlink:to="lab_meso_WarrantLiabilityFairValueAtGrantDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod_019f3528-b0c3-7c3b-816a-28a50c406f59_negatedLabel_en-US" xlink:label="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Cost of inventories</link:label>
    <link:label id="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod_019f3528-b0c3-7b4a-b64c-55b749c5bbe7_terseLabel_en-US" xlink:label="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of inventories recognised as expense during period</link:label>
    <link:label id="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod_label_en-US" xlink:label="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of inventories recognised as expense during period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:to="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermBorrowingsMember_019f3528-af4f-74d9-b5cb-fd700a36bf9a_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowingsMember" 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_LongtermBorrowingsMember_label_en-US" xlink:label="lab_ifrs-full_LongtermBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term borrowings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermBorrowingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermBorrowingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowingsMember" xlink:to="lab_ifrs-full_LongtermBorrowingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DepreciationPropertyPlantAndEquipmentIncludingLossOnDisposalsOfPropertyPlantAndEquipment_019f3528-b0c3-755e-96b4-1114a8a28dc8_negatedLabel_en-US" xlink:label="lab_meso_DepreciationPropertyPlantAndEquipmentIncludingLossOnDisposalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Plant and equipment depreciation</link:label>
    <link:label id="lab_meso_DepreciationPropertyPlantAndEquipmentIncludingLossOnDisposalsOfPropertyPlantAndEquipment_label_en-US" xlink:label="lab_meso_DepreciationPropertyPlantAndEquipmentIncludingLossOnDisposalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, Property, Plant And Equipment Including Loss On Disposals Of Property Plant And Equipment</link:label>
    <link:label id="lab_meso_DepreciationPropertyPlantAndEquipmentIncludingLossOnDisposalsOfPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_meso_DepreciationPropertyPlantAndEquipmentIncludingLossOnDisposalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Depreciation, Property, Plant And Equipment Including Loss On Disposals Of Property Plant And Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DepreciationPropertyPlantAndEquipmentIncludingLossOnDisposalsOfPropertyPlantAndEquipment" xlink:href="meso-20260630.xsd#meso_DepreciationPropertyPlantAndEquipmentIncludingLossOnDisposalsOfPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DepreciationPropertyPlantAndEquipmentIncludingLossOnDisposalsOfPropertyPlantAndEquipment" xlink:to="lab_meso_DepreciationPropertyPlantAndEquipmentIncludingLossOnDisposalsOfPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_StrategicAdvisoryRoleMember_019f3528-b0c3-7819-9484-51814db2b32a_terseLabel_en-US" xlink:label="lab_meso_StrategicAdvisoryRoleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Strategic advisory role</link:label>
    <link:label id="lab_meso_StrategicAdvisoryRoleMember_label_en-US" xlink:label="lab_meso_StrategicAdvisoryRoleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Strategic Advisory Role [Member]</link:label>
    <link:label id="lab_meso_StrategicAdvisoryRoleMember_documentation_en-US" xlink:label="lab_meso_StrategicAdvisoryRoleMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Strategic Advisory Role</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_StrategicAdvisoryRoleMember" xlink:href="meso-20260630.xsd#meso_StrategicAdvisoryRoleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_StrategicAdvisoryRoleMember" xlink:to="lab_meso_StrategicAdvisoryRoleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProbabilityOfDefaultDomain_019f3528-b0c3-7602-9b29-4163f6e1f8a7_terseLabel_en-US" xlink:label="lab_ifrs-full_ProbabilityOfDefaultDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probability of default [domain]</link:label>
    <link:label id="lab_ifrs-full_ProbabilityOfDefaultDomain_label_en-US" xlink:label="lab_ifrs-full_ProbabilityOfDefaultDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probability of default [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProbabilityOfDefaultDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProbabilityOfDefaultDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProbabilityOfDefaultDomain" xlink:to="lab_ifrs-full_ProbabilityOfDefaultDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SecuredBankLoansReceived_019f3528-af4f-78a2-9ca9-c316e5ec1c70_terseLabel_en-US" xlink:label="lab_ifrs-full_SecuredBankLoansReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowing arrangements</link:label>
    <link:label id="lab_ifrs-full_SecuredBankLoansReceived_label_en-US" xlink:label="lab_ifrs-full_SecuredBankLoansReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured bank loans received</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SecuredBankLoansReceived" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SecuredBankLoansReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SecuredBankLoansReceived" xlink:to="lab_ifrs-full_SecuredBankLoansReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSixtyNineMember_019f3528-b0c3-70b1-9b99-cb70ba081926_terseLabel_en-US" xlink:label="lab_meso_SeriesSixtyNineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">69</link:label>
    <link:label id="lab_meso_SeriesSixtyNineMember_label_en-US" xlink:label="lab_meso_SeriesSixtyNineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Sixty Nine [Member]</link:label>
    <link:label id="lab_meso_SeriesSixtyNineMember_documentation_en-US" xlink:label="lab_meso_SeriesSixtyNineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 69.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSixtyNineMember" xlink:href="meso-20260630.xsd#meso_SeriesSixtyNineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSixtyNineMember" xlink:to="lab_meso_SeriesSixtyNineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset_019f3528-af4f-71bf-9834-8a374265c082_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Decrease/(increase) in tax assets</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in deferred tax liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset" xlink:to="lab_ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TaxEffectOfRemeasurementOfWarrants_019f3528-b026-701a-bdd9-7ac70ce4613e_terseLabel_en-US" xlink:label="lab_meso_TaxEffectOfRemeasurementOfWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of warrants</link:label>
    <link:label id="lab_meso_TaxEffectOfRemeasurementOfWarrants_label_en-US" xlink:label="lab_meso_TaxEffectOfRemeasurementOfWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Remeasurement Of Warrants</link:label>
    <link:label id="lab_meso_TaxEffectOfRemeasurementOfWarrants_documentation_en-US" xlink:label="lab_meso_TaxEffectOfRemeasurementOfWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Effect Of Remeasurement Of Warrants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TaxEffectOfRemeasurementOfWarrants" xlink:href="meso-20260630.xsd#meso_TaxEffectOfRemeasurementOfWarrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TaxEffectOfRemeasurementOfWarrants" xlink:to="lab_meso_TaxEffectOfRemeasurementOfWarrants" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities_019f3528-b026-79c2-84ed-15d422ce5e58_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange adjustments, Sub-total</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_019f3528-af4f-7c89-bd67-74a392e5f3c7_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_dei_CityAreaCode_019f3528-b0c3-7f2a-82f6-c63fd77ea7a7_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">City Area Code</link:label>
    <link:label id="lab_dei_CityAreaCode_label_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">City Area Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndFifteenMember_019fd8b4-c0c4-78b8-a95e-2537eeb83203_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndFifteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">115</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndFifteenMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndFifteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Fifteen [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndFifteenMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndFifteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Fifteen</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndFifteenMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndFifteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndFifteenMember" xlink:to="lab_meso_SeriesOneHundredAndFifteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AdjustmentsForIncreaseDecreaseInTradeCreditorsAndAccruals_019f3528-b0c3-7ff1-8cd8-8378d0d785e5_terseLabel_en-US" xlink:label="lab_meso_AdjustmentsForIncreaseDecreaseInTradeCreditorsAndAccruals" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase/(decrease) in trade and other payables</link:label>
    <link:label id="lab_meso_AdjustmentsForIncreaseDecreaseInTradeCreditorsAndAccruals_label_en-US" xlink:label="lab_meso_AdjustmentsForIncreaseDecreaseInTradeCreditorsAndAccruals" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Increase Decrease In Trade Creditors And Accruals</link:label>
    <link:label id="lab_meso_AdjustmentsForIncreaseDecreaseInTradeCreditorsAndAccruals_documentation_en-US" xlink:label="lab_meso_AdjustmentsForIncreaseDecreaseInTradeCreditorsAndAccruals" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in trade creditors and accruals to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AdjustmentsForIncreaseDecreaseInTradeCreditorsAndAccruals" xlink:href="meso-20260630.xsd#meso_AdjustmentsForIncreaseDecreaseInTradeCreditorsAndAccruals"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AdjustmentsForIncreaseDecreaseInTradeCreditorsAndAccruals" xlink:to="lab_meso_AdjustmentsForIncreaseDecreaseInTradeCreditorsAndAccruals" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MilestonePayment_019f3528-b0c3-764b-8a56-a149463ce19a_terseLabel_en-US" xlink:label="lab_meso_MilestonePayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregated milestone payments</link:label>
    <link:label id="lab_meso_MilestonePayment_label_en-US" xlink:label="lab_meso_MilestonePayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Milestone Payment</link:label>
    <link:label id="lab_meso_MilestonePayment_documentation_en-US" xlink:label="lab_meso_MilestonePayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">We purchase intellectual property from them and we need to pay them milestone payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MilestonePayment" xlink:href="meso-20260630.xsd#meso_MilestonePayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MilestonePayment" xlink:to="lab_meso_MilestonePayment" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_USD_019f3528-af4f-7a01-82a7-53622945bdd4_terseLabel_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">USD</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_019f3528-b026-7443-9e3d-24d89547add5_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">(b) Diluted (losses) per share</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_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementValue_019f3528-af4f-7843-9123-cfd6f0117856_terseLabel_en-US" xlink:label="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entitlement offer to existing eligible shareholders and institutional placement</link:label>
    <link:label id="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementValue_label_en-US" xlink:label="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entitlement Offer To Existing Eligible Shareholders And Institutional Placement, Value</link:label>
    <link:label id="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementValue_documentation_en-US" xlink:label="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Entitlement Offer To Existing Eligible Shareholders And Institutional Placement, Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementValue" xlink:href="meso-20260630.xsd#meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementValue" xlink:to="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementValue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BankGuaranteeMember_019f3528-b026-72d4-b3ba-31f00f6caa80_terseLabel_en-US" xlink:label="lab_meso_BankGuaranteeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank guarantee</link:label>
    <link:label id="lab_meso_BankGuaranteeMember_label_en-US" xlink:label="lab_meso_BankGuaranteeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Guarantee [Member]</link:label>
    <link:label id="lab_meso_BankGuaranteeMember_documentation_en-US" xlink:label="lab_meso_BankGuaranteeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank guarantee.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BankGuaranteeMember" xlink:href="meso-20260630.xsd#meso_BankGuaranteeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BankGuaranteeMember" xlink:to="lab_meso_BankGuaranteeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementShares_019f3528-b0c3-76b5-9caf-527561147686_terseLabel_en-US" xlink:label="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entitlement offer to existing eligible shareholders and institutional placement (in shares)</link:label>
    <link:label id="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementShares_label_en-US" xlink:label="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entitlement Offer To Existing Eligible Shareholders and Institutional Placement, Shares</link:label>
    <link:label id="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementShares_documentation_en-US" xlink:label="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Entitlement Offer To Existing Eligible Shareholders and Institutional Placement, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementShares" xlink:href="meso-20260630.xsd#meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementShares" xlink:to="lab_meso_EntitlementOfferToExistingEligibleShareholdersAndInstitutionalPlacementShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment_019f3528-b026-715a-a7cf-c5cd682fb4a1_terseLabel_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated useful lives</link:label>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Useful life measured as period of time, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:to="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncreaseDecreaseInDeferredTaxLiabilities_019f3528-b0c3-76ed-9ad8-c4d28dff714a_negatedLabel_en-US" xlink:label="lab_meso_IncreaseDecreaseInDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Increase/(decrease) in deferred tax liabilities</link:label>
    <link:label id="lab_meso_IncreaseDecreaseInDeferredTaxLiabilities_label_en-US" xlink:label="lab_meso_IncreaseDecreaseInDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease In Deferred Tax Liabilities</link:label>
    <link:label id="lab_meso_IncreaseDecreaseInDeferredTaxLiabilities_documentation_en-US" xlink:label="lab_meso_IncreaseDecreaseInDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase decrease in deferred tax liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseDecreaseInDeferredTaxLiabilities" xlink:href="meso-20260630.xsd#meso_IncreaseDecreaseInDeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseDecreaseInDeferredTaxLiabilities" xlink:to="lab_meso_IncreaseDecreaseInDeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndEightMember_019fd8af-4ac2-7d90-8297-a69eed5471e3_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndEightMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">108</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndEightMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndEightMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Eight [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndEightMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndEightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Eight</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndEightMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndEightMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndEightMember" xlink:to="lab_meso_SeriesOneHundredAndEightMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_019f3528-b0c3-7139-975f-d0dfe6c9b795_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">Tax credited / (debited) to 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_CategoriesOfFinancialLiabilitiesDomain_019f3528-b026-729e-9739-b4c90a7015aa_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</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_LaterThanFiveYearsMember_019f3528-b0c3-793d-958e-7b4e4856b0b5_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">Over 5 years</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_ifrs-full_DisclosureOfRelatedPartyExplanatory_019f3528-b0c3-702c-98a8-cf828451ddbe_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">Related party transactions</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_ifrs-full_ClassesOfFinancialAssetsDomain_019f3528-b026-7890-84bb-a6d0749fbccc_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</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_meso_SeriesFiftyFourMember_019f3528-b0c3-7d3a-a52b-d6f4657a7c92_terseLabel_en-US" xlink:label="lab_meso_SeriesFiftyFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">54</link:label>
    <link:label id="lab_meso_SeriesFiftyFourMember_label_en-US" xlink:label="lab_meso_SeriesFiftyFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Fifty Four [Member]</link:label>
    <link:label id="lab_meso_SeriesFiftyFourMember_documentation_en-US" xlink:label="lab_meso_SeriesFiftyFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 54.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFiftyFourMember" xlink:href="meso-20260630.xsd#meso_SeriesFiftyFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFiftyFourMember" xlink:to="lab_meso_SeriesFiftyFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsExplanatory_019f3528-b026-757b-9928-8a94062f1093_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Intangible Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of intangible assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember_019f3528-b026-721f-8427-00d81368b4b8_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities at amortized cost</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at amortised cost, class [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfMovementsOfSharesInShareTrustLineItems_019f3528-b14c-71ef-885c-42eda0c44c28_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfMovementsOfSharesInShareTrustLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Movements Of Shares In Share Trust [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfMovementsOfSharesInShareTrustLineItems_label_en-US" xlink:label="lab_meso_DisclosureOfMovementsOfSharesInShareTrustLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Movements Of Shares In Share Trust [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfMovementsOfSharesInShareTrustLineItems_documentation_en-US" xlink:label="lab_meso_DisclosureOfMovementsOfSharesInShareTrustLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of movements of shares in share trust.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfMovementsOfSharesInShareTrustLineItems" xlink:href="meso-20260630.xsd#meso_DisclosureOfMovementsOfSharesInShareTrustLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfMovementsOfSharesInShareTrustLineItems" xlink:to="lab_meso_DisclosureOfMovementsOfSharesInShareTrustLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_019f3528-b14c-7190-ad3a-de8c2552ae1f_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_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTemporaryDifferencesAbstract_019f3528-b026-70ef-b010-43bf86524475_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTemporaryDifferencesAbstract" 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_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTemporaryDifferencesAbstract_label_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTemporaryDifferencesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Not Brought To Account For Other Temporary Differences [Abstract]</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTemporaryDifferencesAbstract_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTemporaryDifferencesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax assets not brought to account for other temporary differences.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTemporaryDifferencesAbstract" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetsNotBroughtToAccountForOtherTemporaryDifferencesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTemporaryDifferencesAbstract" xlink:to="lab_meso_DeferredTaxAssetsNotBroughtToAccountForOtherTemporaryDifferencesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndFourMember_019f3528-b0c3-780a-ba13-587f749ff21d_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">104</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndFourMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Four [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndFourMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndFourMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndFourMember" xlink:to="lab_meso_SeriesOneHundredAndFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_019f3528-b0c3-71a2-803a-274f928b5381_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 for leases</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_TradeAndOtherPayables_019f3528-b026-70a1-b0a9-64336fe6e515_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherPayables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayables" xlink:to="lab_ifrs-full_TradeAndOtherPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ContributionsOfValueForEquityDuringPeriodValue_019f3528-b0c3-7a57-95e7-2a62b7311385_totalLabel_en-US" xlink:label="lab_meso_ContributionsOfValueForEquityDuringPeriodValue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total contributions of equity during the period</link:label>
    <link:label id="lab_meso_ContributionsOfValueForEquityDuringPeriodValue_label_en-US" xlink:label="lab_meso_ContributionsOfValueForEquityDuringPeriodValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contributions Of Value For Equity During Period, Value</link:label>
    <link:label id="lab_meso_ContributionsOfValueForEquityDuringPeriodValue_documentation_en-US" xlink:label="lab_meso_ContributionsOfValueForEquityDuringPeriodValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contributions of value for equity during period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ContributionsOfValueForEquityDuringPeriodValue" xlink:href="meso-20260630.xsd#meso_ContributionsOfValueForEquityDuringPeriodValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ContributionsOfValueForEquityDuringPeriodValue" xlink:to="lab_meso_ContributionsOfValueForEquityDuringPeriodValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_019f3528-b026-72eb-b823-dfe274bf08ec_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_ifrs-full_UnobservableInputsAxis_019f3528-b0c3-7542-9bf6-611e06e544b6_terseLabel_en-US" xlink:label="lab_ifrs-full_UnobservableInputsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unobservable inputs [axis]</link:label>
    <link:label id="lab_ifrs-full_UnobservableInputsAxis_label_en-US" xlink:label="lab_ifrs-full_UnobservableInputsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unobservable inputs [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnobservableInputsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnobservableInputsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnobservableInputsAxis" xlink:to="lab_ifrs-full_UnobservableInputsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorName_019f3528-b025-791a-abd7-d05fce46622f_terseLabel_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Name</link:label>
    <link:label id="lab_dei_AuditorName_label_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorName" xlink:to="lab_dei_AuditorName" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_Series36aMember_019f3528-b026-7135-99c7-774e0fdfa406_terseLabel_en-US" xlink:label="lab_meso_Series36aMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">36a</link:label>
    <link:label id="lab_meso_Series36aMember_label_en-US" xlink:label="lab_meso_Series36aMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 36a [Member]</link:label>
    <link:label id="lab_meso_Series36aMember_documentation_en-US" xlink:label="lab_meso_Series36aMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 36a.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series36aMember" xlink:href="meso-20260630.xsd#meso_Series36aMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series36aMember" xlink:to="lab_meso_Series36aMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfVotesPerOrdinaryShareHeld_01a03660-7af8-7b8e-89d8-a5d023525761_terseLabel_en-US" xlink:label="lab_meso_NumberOfVotesPerOrdinaryShareHeld" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of votes per ordinary share</link:label>
    <link:label id="lab_meso_NumberOfVotesPerOrdinaryShareHeld_label_en-US" xlink:label="lab_meso_NumberOfVotesPerOrdinaryShareHeld" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Votes Per Ordinary Share Held</link:label>
    <link:label id="lab_meso_NumberOfVotesPerOrdinaryShareHeld_documentation_en-US" xlink:label="lab_meso_NumberOfVotesPerOrdinaryShareHeld" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Votes Per Ordinary Share Held</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfVotesPerOrdinaryShareHeld" xlink:href="meso-20260630.xsd#meso_NumberOfVotesPerOrdinaryShareHeld"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfVotesPerOrdinaryShareHeld" xlink:to="lab_meso_NumberOfVotesPerOrdinaryShareHeld" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountExplanatoryTableTextBlock_019f3528-b0c3-7df6-aeaf-bfe8ddbe7aba_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Amounts That Would Be Recognized Directly in Equity if Brought to Account</link:label>
    <link:label id="lab_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Amounts That Would Be Recognized Directly In Equity If Brought To Account Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of amounts that would be recognized directly in equity if brought to account.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems_019f3528-b0c3-7170-b607-983c6e99521a_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Effect Of Changes In Foreign Exchange Rates [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems_label_en-US" xlink:label="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems" 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 [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems_documentation_en-US" xlink:label="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of effect of changes in foreign exchange rates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems" xlink:href="meso-20260630.xsd#meso_DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems" xlink:to="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfReconciliationOfIncomeTaxExpenseExplanatoryTableTextBlock_019f3528-b0c3-75fb-967e-1381ba3bea05_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfIncomeTaxExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Reconciliation of Income Tax to Prima Facie Tax Payable</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfIncomeTaxExpenseExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfIncomeTaxExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Income Tax Expense Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfIncomeTaxExpenseExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfIncomeTaxExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of income tax expense explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfReconciliationOfIncomeTaxExpenseExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfReconciliationOfIncomeTaxExpenseExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfReconciliationOfIncomeTaxExpenseExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfReconciliationOfIncomeTaxExpenseExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_019f3528-b0c3-71d5-95b2-43771c07a506_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" 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 [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" 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 [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PrepaidManufacturingCosts_01a014bf-73c5-786f-9dc2-f4752a8e8905_terseLabel_en-US" xlink:label="lab_meso_PrepaidManufacturingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepaid manufacturing costs</link:label>
    <link:label id="lab_meso_PrepaidManufacturingCosts_label_en-US" xlink:label="lab_meso_PrepaidManufacturingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepaid Manufacturing Costs</link:label>
    <link:label id="lab_meso_PrepaidManufacturingCosts_documentation_en-US" xlink:label="lab_meso_PrepaidManufacturingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Prepaid Manufacturing Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PrepaidManufacturingCosts" xlink:href="meso-20260630.xsd#meso_PrepaidManufacturingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PrepaidManufacturingCosts" xlink:to="lab_meso_PrepaidManufacturingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfWarrantsAtIssueDate_019f3528-b025-722e-af4e-9d5e223f2c9d_terseLabel_en-US" xlink:label="lab_meso_NumberOfWarrantsAtIssueDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of warrants at issue date</link:label>
    <link:label id="lab_meso_NumberOfWarrantsAtIssueDate_label_en-US" xlink:label="lab_meso_NumberOfWarrantsAtIssueDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Warrants At Issue Date</link:label>
    <link:label id="lab_meso_NumberOfWarrantsAtIssueDate_documentation_en-US" xlink:label="lab_meso_NumberOfWarrantsAtIssueDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of warrants at issue date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfWarrantsAtIssueDate" xlink:href="meso-20260630.xsd#meso_NumberOfWarrantsAtIssueDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfWarrantsAtIssueDate" xlink:to="lab_meso_NumberOfWarrantsAtIssueDate" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesEightyFiveMember_019f3528-b026-721f-a881-64121886e090_terseLabel_en-US" xlink:label="lab_meso_SeriesEightyFiveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">85</link:label>
    <link:label id="lab_meso_SeriesEightyFiveMember_label_en-US" xlink:label="lab_meso_SeriesEightyFiveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty Five [Member]</link:label>
    <link:label id="lab_meso_SeriesEightyFiveMember_documentation_en-US" xlink:label="lab_meso_SeriesEightyFiveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightyFiveMember" xlink:href="meso-20260630.xsd#meso_SeriesEightyFiveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightyFiveMember" xlink:to="lab_meso_SeriesEightyFiveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncreaseThroughContributionsByOwnersForUnissuedOrdinarySharesEquity_019f3528-b14c-79e4-bed8-d64bd6971081_terseLabel_en-US" xlink:label="lab_meso_IncreaseThroughContributionsByOwnersForUnissuedOrdinarySharesEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contributions of equity for unissued ordinary shares, net of transaction costs</link:label>
    <link:label id="lab_meso_IncreaseThroughContributionsByOwnersForUnissuedOrdinarySharesEquity_label_en-US" xlink:label="lab_meso_IncreaseThroughContributionsByOwnersForUnissuedOrdinarySharesEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Through Contributions By Owners For Unissued Ordinary Shares, Equity</link:label>
    <link:label id="lab_meso_IncreaseThroughContributionsByOwnersForUnissuedOrdinarySharesEquity_documentation_en-US" xlink:label="lab_meso_IncreaseThroughContributionsByOwnersForUnissuedOrdinarySharesEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase Through Contributions By Owners For Unissued Ordinary Shares, Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseThroughContributionsByOwnersForUnissuedOrdinarySharesEquity" xlink:href="meso-20260630.xsd#meso_IncreaseThroughContributionsByOwnersForUnissuedOrdinarySharesEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseThroughContributionsByOwnersForUnissuedOrdinarySharesEquity" xlink:to="lab_meso_IncreaseThroughContributionsByOwnersForUnissuedOrdinarySharesEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners_019f3528-b0c3-77ea-8c59-2bca05022aeb_totalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Transactions with owners in their capacity as owners:</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transactions with owners, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod_019f3528-b14c-7fa2-9479-7ffa999315bc_terseLabel_en-US" xlink:label="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period of vesting requirements for share based payment arrangement</link:label>
    <link:label id="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod_label_en-US" xlink:label="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting Requirements For Share-Based Payment Arrangement, Vesting Period</link:label>
    <link:label id="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod_documentation_en-US" xlink:label="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Vesting Requirements For Share-Based Payment Arrangement, Vesting Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:href="meso-20260630.xsd#meso_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:to="lab_meso_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForContributedEquityExplanatoryPolicyTextBlock_019f3528-af4f-72f6-af93-f4d143c52423_terseLabel_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForContributedEquityExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contributed equity</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForContributedEquityExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForContributedEquityExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Contributed Equity Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForContributedEquityExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForContributedEquityExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description of accounting policy for contributed equity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DescriptionOfAccountingPolicyForContributedEquityExplanatoryPolicyTextBlock" xlink:href="meso-20260630.xsd#meso_DescriptionOfAccountingPolicyForContributedEquityExplanatoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DescriptionOfAccountingPolicyForContributedEquityExplanatoryPolicyTextBlock" xlink:to="lab_meso_DescriptionOfAccountingPolicyForContributedEquityExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_InterestAndOtherCostsOfFinancePaidClassifiedAsFinancingActivities_019f3528-b0c3-7676-8aaf-d40352765fcf_negatedLabel_en-US" xlink:label="lab_meso_InterestAndOtherCostsOfFinancePaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest and other costs of finance paid</link:label>
    <link:label id="lab_meso_InterestAndOtherCostsOfFinancePaidClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_meso_InterestAndOtherCostsOfFinancePaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest And Other Costs Of Finance Paid Classified As Financing Activities</link:label>
    <link:label id="lab_meso_InterestAndOtherCostsOfFinancePaidClassifiedAsFinancingActivities_documentation_en-US" xlink:label="lab_meso_InterestAndOtherCostsOfFinancePaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest and other costs of finance paid classified as financing activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_InterestAndOtherCostsOfFinancePaidClassifiedAsFinancingActivities" xlink:href="meso-20260630.xsd#meso_InterestAndOtherCostsOfFinancePaidClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_InterestAndOtherCostsOfFinancePaidClassifiedAsFinancingActivities" xlink:to="lab_meso_InterestAndOtherCostsOfFinancePaidClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfEqualTranchesVestOnDate_019f3528-b026-7d27-b471-d02cf95dd7ad_terseLabel_en-US" xlink:label="lab_meso_NumberOfEqualTranchesVestOnDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of equal tranches vest on date</link:label>
    <link:label id="lab_meso_NumberOfEqualTranchesVestOnDate_label_en-US" xlink:label="lab_meso_NumberOfEqualTranchesVestOnDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Equal Tranches Vest On Date</link:label>
    <link:label id="lab_meso_NumberOfEqualTranchesVestOnDate_documentation_en-US" xlink:label="lab_meso_NumberOfEqualTranchesVestOnDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of equal tranches vest on date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfEqualTranchesVestOnDate" xlink:href="meso-20260630.xsd#meso_NumberOfEqualTranchesVestOnDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfEqualTranchesVestOnDate" xlink:to="lab_meso_NumberOfEqualTranchesVestOnDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GoodwillMember_019f3528-b0c3-7607-9996-3550500efc9e_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodwillMember" 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_GoodwillMember_label_en-US" xlink:label="lab_ifrs-full_GoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodwillMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodwillMember" xlink:to="lab_ifrs-full_GoodwillMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ProceedsFromIssuingWarrants_019f3528-b026-7196-842f-f0450e37f1e0_terseLabel_en-US" xlink:label="lab_meso_ProceedsFromIssuingWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issue of warrants</link:label>
    <link:label id="lab_meso_ProceedsFromIssuingWarrants_label_en-US" xlink:label="lab_meso_ProceedsFromIssuingWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Issuing Warrants</link:label>
    <link:label id="lab_meso_ProceedsFromIssuingWarrants_documentation_en-US" xlink:label="lab_meso_ProceedsFromIssuingWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds from issuing warrants.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ProceedsFromIssuingWarrants" xlink:href="meso-20260630.xsd#meso_ProceedsFromIssuingWarrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ProceedsFromIssuingWarrants" xlink:to="lab_meso_ProceedsFromIssuingWarrants" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BankAccountsMember_019f3528-b0c3-7dc9-9715-db2367edd264_terseLabel_en-US" xlink:label="lab_meso_BankAccountsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank accounts</link:label>
    <link:label id="lab_meso_BankAccountsMember_label_en-US" xlink:label="lab_meso_BankAccountsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Accounts [Member]</link:label>
    <link:label id="lab_meso_BankAccountsMember_documentation_en-US" xlink:label="lab_meso_BankAccountsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank accounts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BankAccountsMember" xlink:href="meso-20260630.xsd#meso_BankAccountsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BankAccountsMember" xlink:to="lab_meso_BankAccountsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TaxEffectOfNonDeductibleExecutiveCompensation_01a0152a-44a1-71b9-9d0e-263ad72af1c3_terseLabel_en-US" xlink:label="lab_meso_TaxEffectOfNonDeductibleExecutiveCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Deductible Executive Compensation</link:label>
    <link:label id="lab_meso_TaxEffectOfNonDeductibleExecutiveCompensation_label_en-US" xlink:label="lab_meso_TaxEffectOfNonDeductibleExecutiveCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Non-Deductible Executive Compensation</link:label>
    <link:label id="lab_meso_TaxEffectOfNonDeductibleExecutiveCompensation_documentation_en-US" xlink:label="lab_meso_TaxEffectOfNonDeductibleExecutiveCompensation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Effect Of Non-Deductible Executive Compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TaxEffectOfNonDeductibleExecutiveCompensation" xlink:href="meso-20260630.xsd#meso_TaxEffectOfNonDeductibleExecutiveCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TaxEffectOfNonDeductibleExecutiveCompensation" xlink:to="lab_meso_TaxEffectOfNonDeductibleExecutiveCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RevenueFromSaleOfGoodsGross_01a02277-ed37-7998-86b9-d3eb8813f910_terseLabel_en-US" xlink:label="lab_meso_RevenueFromSaleOfGoodsGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross product sales</link:label>
    <link:label id="lab_meso_RevenueFromSaleOfGoodsGross_label_en-US" xlink:label="lab_meso_RevenueFromSaleOfGoodsGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue From Sale Of Goods, Gross</link:label>
    <link:label id="lab_meso_RevenueFromSaleOfGoodsGross_documentation_en-US" xlink:label="lab_meso_RevenueFromSaleOfGoodsGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue From Sale Of Goods, Gross</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RevenueFromSaleOfGoodsGross" xlink:href="meso-20260630.xsd#meso_RevenueFromSaleOfGoodsGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RevenueFromSaleOfGoodsGross" xlink:to="lab_meso_RevenueFromSaleOfGoodsGross" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_019f3528-b0c3-7eec-9662-852ec9221ef9_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">Net cash (outflows) in operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_019f3528-b0c3-7d08-bc40-b2d3f018dab6_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) 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_019f3528-b025-7a62-9817-b8522db9c8bb_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">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_meso_TradeAndOtherPayablesMaturityPeriod_019f3528-b026-7525-907d-ee01d2465608_terseLabel_en-US" xlink:label="lab_meso_TradeAndOtherPayablesMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables maturity period</link:label>
    <link:label id="lab_meso_TradeAndOtherPayablesMaturityPeriod_label_en-US" xlink:label="lab_meso_TradeAndOtherPayablesMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade And Other Payables Maturity Period</link:label>
    <link:label id="lab_meso_TradeAndOtherPayablesMaturityPeriod_documentation_en-US" xlink:label="lab_meso_TradeAndOtherPayablesMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade and other payables maturity period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TradeAndOtherPayablesMaturityPeriod" xlink:href="meso-20260630.xsd#meso_TradeAndOtherPayablesMaturityPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TradeAndOtherPayablesMaturityPeriod" xlink:to="lab_meso_TradeAndOtherPayablesMaturityPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory_019f3528-b0c3-7a0e-ad1c-e5adc64ca6bd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interests in other entities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of interests in other entities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLiabilitiesAbstract_019f3528-b026-7910-b310-d3273b3bca04_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_meso_RemeasurementAdjustmentsOnDebt_019f3528-b14c-79b1-a7ca-c583a8cc1ec6_terseLabel_en-US" xlink:label="lab_meso_RemeasurementAdjustmentsOnDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement adjustments, borrowings</link:label>
    <link:label id="lab_meso_RemeasurementAdjustmentsOnDebt_label_en-US" xlink:label="lab_meso_RemeasurementAdjustmentsOnDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remeasurement Adjustments On Debt</link:label>
    <link:label id="lab_meso_RemeasurementAdjustmentsOnDebt_documentation_en-US" xlink:label="lab_meso_RemeasurementAdjustmentsOnDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remeasurement adjustments on debt.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RemeasurementAdjustmentsOnDebt" xlink:href="meso-20260630.xsd#meso_RemeasurementAdjustmentsOnDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RemeasurementAdjustmentsOnDebt" xlink:to="lab_meso_RemeasurementAdjustmentsOnDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ContingentConsiderationProvisionAmountPaid_019f3528-b0c3-7021-8f1a-93ac481dfaf7_negatedTerseLabel_en-US" xlink:label="lab_meso_ContingentConsiderationProvisionAmountPaid" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amount paid during the period</link:label>
    <link:label id="lab_meso_ContingentConsiderationProvisionAmountPaid_label_en-US" xlink:label="lab_meso_ContingentConsiderationProvisionAmountPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration, Provision, Amount Paid</link:label>
    <link:label id="lab_meso_ContingentConsiderationProvisionAmountPaid_documentation_en-US" xlink:label="lab_meso_ContingentConsiderationProvisionAmountPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Consideration, Provision, Amount Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ContingentConsiderationProvisionAmountPaid" xlink:href="meso-20260630.xsd#meso_ContingentConsiderationProvisionAmountPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ContingentConsiderationProvisionAmountPaid" xlink:to="lab_meso_ContingentConsiderationProvisionAmountPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_019f3528-b0c3-769e-913f-d3ff90303bf8_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">Share-based payments</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_meso_ProvisionForLicenseAgreementsMember_019f3528-b0c3-7d3f-bc3e-4353c9f404ad_terseLabel_en-US" xlink:label="lab_meso_ProvisionForLicenseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for license agreements</link:label>
    <link:label id="lab_meso_ProvisionForLicenseAgreementsMember_label_en-US" xlink:label="lab_meso_ProvisionForLicenseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For License Agreements [Member]</link:label>
    <link:label id="lab_meso_ProvisionForLicenseAgreementsMember_documentation_en-US" xlink:label="lab_meso_ProvisionForLicenseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for license agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ProvisionForLicenseAgreementsMember" xlink:href="meso-20260630.xsd#meso_ProvisionForLicenseAgreementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ProvisionForLicenseAgreementsMember" xlink:to="lab_meso_ProvisionForLicenseAgreementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalYearFocus_019f3528-b026-7e38-840e-e3d882a93e83_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalYearFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock_019f3528-b0c3-7052-a38d-fefbb1674750_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Changes in the Contingent Consideration Fair Value of Level 3 Instruments</link:label>
    <link:label id="lab_meso_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets And Liabilities Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of significant unobservable inputs used in fair value measurement of assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_019f3528-b026-7200-bcaf-d394e99167ec_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">Add/(deduct) net loss for non-cash items as follows:</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_meso_ValueOfShareOptionsExercisedInSharebasedPaymentArrangement_019f3528-b026-74f4-83dc-b557eee96963_terseLabel_en-US" xlink:label="lab_meso_ValueOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfer to ordinary shares on exercise of options</link:label>
    <link:label id="lab_meso_ValueOfShareOptionsExercisedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_meso_ValueOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value Of Share Options Exercised In Sharebased Payment Arrangement</link:label>
    <link:label id="lab_meso_ValueOfShareOptionsExercisedInSharebasedPaymentArrangement_documentation_en-US" xlink:label="lab_meso_ValueOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value of share options exercised in share-based payment arrangement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ValueOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:href="meso-20260630.xsd#meso_ValueOfShareOptionsExercisedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ValueOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:to="lab_meso_ValueOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndTwelveMember_019fd8b2-d854-7320-9108-9d566e440fc1_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndTwelveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">112</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTwelveMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndTwelveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Twelve [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTwelveMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndTwelveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Twelve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndTwelveMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndTwelveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndTwelveMember" xlink:to="lab_meso_SeriesOneHundredAndTwelveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesLineItems_019f3528-af4f-7e26-9063-f71b24b7d3ec_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Assets And Liabilities [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesLineItems_label_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Assets And Liabilities [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesLineItems_documentation_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets and liabilities line items.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfFinancialAssetsAndLiabilitiesLineItems" xlink:href="meso-20260630.xsd#meso_DisclosureOfFinancialAssetsAndLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfFinancialAssetsAndLiabilitiesLineItems" xlink:to="lab_meso_DisclosureOfFinancialAssetsAndLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FairValueOfWarrants_019f3528-b026-7606-8586-364cee83b7df_terseLabel_en-US" xlink:label="lab_meso_FairValueOfWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value</link:label>
    <link:label id="lab_meso_FairValueOfWarrants_label_en-US" xlink:label="lab_meso_FairValueOfWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Of Warrants</link:label>
    <link:label id="lab_meso_FairValueOfWarrants_documentation_en-US" xlink:label="lab_meso_FairValueOfWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of warrants.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FairValueOfWarrants" xlink:href="meso-20260630.xsd#meso_FairValueOfWarrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FairValueOfWarrants" xlink:to="lab_meso_FairValueOfWarrants" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_AmericanDepositarySharesMember_019f3528-b026-72a8-a5a6-89d13d0431c8_terseLabel_en-US" xlink:label="lab_meso_AmericanDepositarySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">American depositary shares</link:label>
    <link:label id="lab_meso_AmericanDepositarySharesMember_label_en-US" xlink:label="lab_meso_AmericanDepositarySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">American Depositary Shares [Member]</link:label>
    <link:label id="lab_meso_AmericanDepositarySharesMember_documentation_en-US" xlink:label="lab_meso_AmericanDepositarySharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">American depositary shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_AmericanDepositarySharesMember" xlink:href="meso-20260630.xsd#meso_AmericanDepositarySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_AmericanDepositarySharesMember" xlink:to="lab_meso_AmericanDepositarySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NonCancellableTermOfLeaseAndNonLeaseComponents_019f3528-b0c3-7bca-bb49-a591e44826c3_terseLabel_en-US" xlink:label="lab_meso_NonCancellableTermOfLeaseAndNonLeaseComponents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cancellable term of lease and non lease components</link:label>
    <link:label id="lab_meso_NonCancellableTermOfLeaseAndNonLeaseComponents_label_en-US" xlink:label="lab_meso_NonCancellableTermOfLeaseAndNonLeaseComponents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Cancellable Term Of Lease And Non Lease Components</link:label>
    <link:label id="lab_meso_NonCancellableTermOfLeaseAndNonLeaseComponents_documentation_en-US" xlink:label="lab_meso_NonCancellableTermOfLeaseAndNonLeaseComponents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-cancellable term of lease and non-lease components,</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NonCancellableTermOfLeaseAndNonLeaseComponents" xlink:href="meso-20260630.xsd#meso_NonCancellableTermOfLeaseAndNonLeaseComponents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NonCancellableTermOfLeaseAndNonLeaseComponents" xlink:to="lab_meso_NonCancellableTermOfLeaseAndNonLeaseComponents" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfUnissuedSharesReservedForIssueUnderSharePlacementAgreementValue_019f3528-b025-7c0c-bc4a-206a4b983574_terseLabel_en-US" xlink:label="lab_meso_NumberOfUnissuedSharesReservedForIssueUnderSharePlacementAgreementValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement of shares under a share placement agreement</link:label>
    <link:label id="lab_meso_NumberOfUnissuedSharesReservedForIssueUnderSharePlacementAgreementValue_label_en-US" xlink:label="lab_meso_NumberOfUnissuedSharesReservedForIssueUnderSharePlacementAgreementValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Unissued Shares Reserved for Issue Under Share Placement Agreement, Value</link:label>
    <link:label id="lab_meso_NumberOfUnissuedSharesReservedForIssueUnderSharePlacementAgreementValue_documentation_en-US" xlink:label="lab_meso_NumberOfUnissuedSharesReservedForIssueUnderSharePlacementAgreementValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Unissued Shares Reserved for Issue Under Share Placement Agreement, Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfUnissuedSharesReservedForIssueUnderSharePlacementAgreementValue" xlink:href="meso-20260630.xsd#meso_NumberOfUnissuedSharesReservedForIssueUnderSharePlacementAgreementValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfUnissuedSharesReservedForIssueUnderSharePlacementAgreementValue" xlink:to="lab_meso_NumberOfUnissuedSharesReservedForIssueUnderSharePlacementAgreementValue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatoryPolicyTextBlock_019f3528-b0c3-775a-8fe8-eb68b441ec75_terseLabel_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in accounting policies</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Change In Accounting Policies Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_meso_DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_meso_DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description of accounting policy for change in accounting policies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatoryPolicyTextBlock" xlink:href="meso-20260630.xsd#meso_DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatoryPolicyTextBlock" xlink:to="lab_meso_DescriptionOfAccountingPolicyForChangeInAccountingPoliciesExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ManufacturingMember_019f3528-af4f-7077-a6be-e868c38fdd98_terseLabel_en-US" xlink:label="lab_meso_ManufacturingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Manufacturing</link:label>
    <link:label id="lab_meso_ManufacturingMember_label_en-US" xlink:label="lab_meso_ManufacturingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturing [Member]</link:label>
    <link:label id="lab_meso_ManufacturingMember_documentation_en-US" xlink:label="lab_meso_ManufacturingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Manufacturing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ManufacturingMember" xlink:href="meso-20260630.xsd#meso_ManufacturingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ManufacturingMember" xlink:to="lab_meso_ManufacturingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BorrowingMember_019fd1e0-36e4-7a26-b330-ff8e574f1157_terseLabel_en-US" xlink:label="lab_meso_BorrowingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_meso_BorrowingMember_label_en-US" xlink:label="lab_meso_BorrowingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing [Member]</link:label>
    <link:label id="lab_meso_BorrowingMember_documentation_en-US" xlink:label="lab_meso_BorrowingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BorrowingMember" xlink:href="meso-20260630.xsd#meso_BorrowingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BorrowingMember" xlink:to="lab_meso_BorrowingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesDomain_019f3528-af4f-72fc-9218-e1999208a03d_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</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_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsWarrantLiability_019f3528-b14c-7b3c-9c70-5f6e6c06c11e_terseLabel_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ten percent of decrease in share rice, warrant liabilities</link:label>
    <link:label id="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsWarrantLiability_label_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Decrease In Risk Variable, Impact On Earnings, Warrant Liability</link:label>
    <link:label id="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsWarrantLiability_documentation_en-US" xlink:label="lab_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Decrease In Risk Variable, Impact On Earnings, Warrant Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsWarrantLiability" xlink:href="meso-20260630.xsd#meso_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnEarningsWarrantLiability"/>
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    <link:label id="lab_meso_LonzaBioscienceSingaporePteLtdMember_019f3528-b14c-7d61-83e3-89e121e4375b_terseLabel_en-US" xlink:label="lab_meso_LonzaBioscienceSingaporePteLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lonza Bioscience Singapore Pte Ltd</link:label>
    <link:label id="lab_meso_LonzaBioscienceSingaporePteLtdMember_label_en-US" xlink:label="lab_meso_LonzaBioscienceSingaporePteLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lonza Bioscience Singapore Pte Ltd [Member]</link:label>
    <link:label id="lab_meso_LonzaBioscienceSingaporePteLtdMember_documentation_en-US" xlink:label="lab_meso_LonzaBioscienceSingaporePteLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lonza Bioscience Singapore Pte. Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_LonzaBioscienceSingaporePteLtdMember" xlink:href="meso-20260630.xsd#meso_LonzaBioscienceSingaporePteLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_LonzaBioscienceSingaporePteLtdMember" xlink:to="lab_meso_LonzaBioscienceSingaporePteLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ContractLiabilitiesPayments_01a035e4-3cc8-728a-b67d-8d2fe5a59782_negatedTerseLabel_en-US" xlink:label="lab_meso_ContractLiabilitiesPayments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments</link:label>
    <link:label id="lab_meso_ContractLiabilitiesPayments_label_en-US" xlink:label="lab_meso_ContractLiabilitiesPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract Liabilities, Payments</link:label>
    <link:label id="lab_meso_ContractLiabilitiesPayments_documentation_en-US" xlink:label="lab_meso_ContractLiabilitiesPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract Liabilities, Payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ContractLiabilitiesPayments" xlink:href="meso-20260630.xsd#meso_ContractLiabilitiesPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ContractLiabilitiesPayments" xlink:to="lab_meso_ContractLiabilitiesPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_019f3528-b0c3-7cd2-a21a-c75dc7f8644b_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_meso_ClosingShareMarketPriceOfOrdinaryShare_019f3528-b0c3-776c-bd71-024aec64d854_terseLabel_en-US" xlink:label="lab_meso_ClosingShareMarketPriceOfOrdinaryShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Closing share market price of ordinary share (in AUD per share)</link:label>
    <link:label id="lab_meso_ClosingShareMarketPriceOfOrdinaryShare_label_en-US" xlink:label="lab_meso_ClosingShareMarketPriceOfOrdinaryShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Closing Share Market Price Of Ordinary Share</link:label>
    <link:label id="lab_meso_ClosingShareMarketPriceOfOrdinaryShare_documentation_en-US" xlink:label="lab_meso_ClosingShareMarketPriceOfOrdinaryShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Closing share market price of ordinary share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ClosingShareMarketPriceOfOrdinaryShare" xlink:href="meso-20260630.xsd#meso_ClosingShareMarketPriceOfOrdinaryShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ClosingShareMarketPriceOfOrdinaryShare" xlink:to="lab_meso_ClosingShareMarketPriceOfOrdinaryShare" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfPremiumAttachedWithTimeBasedVestingConditionOptions_019f3528-b025-7faf-9582-8d44a9cb32bc_terseLabel_en-US" xlink:label="lab_meso_PercentageOfPremiumAttachedWithTimeBasedVestingConditionOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of premium attached with time based vesting condition options</link:label>
    <link:label id="lab_meso_PercentageOfPremiumAttachedWithTimeBasedVestingConditionOptions_label_en-US" xlink:label="lab_meso_PercentageOfPremiumAttachedWithTimeBasedVestingConditionOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Premium Attached With Time Based Vesting Condition Options</link:label>
    <link:label id="lab_meso_PercentageOfPremiumAttachedWithTimeBasedVestingConditionOptions_documentation_en-US" xlink:label="lab_meso_PercentageOfPremiumAttachedWithTimeBasedVestingConditionOptions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of premium attached with time based vesting condition options.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfPremiumAttachedWithTimeBasedVestingConditionOptions" xlink:href="meso-20260630.xsd#meso_PercentageOfPremiumAttachedWithTimeBasedVestingConditionOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfPremiumAttachedWithTimeBasedVestingConditionOptions" xlink:to="lab_meso_PercentageOfPremiumAttachedWithTimeBasedVestingConditionOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredTaxLiabilitiesAttributableToTemporaryDifferencesFromIntangibleAssets_019f3528-b026-7228-aaca-a89b604cd753_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxLiabilitiesAttributableToTemporaryDifferencesFromIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_meso_DeferredTaxLiabilitiesAttributableToTemporaryDifferencesFromIntangibleAssets_label_en-US" xlink:label="lab_meso_DeferredTaxLiabilitiesAttributableToTemporaryDifferencesFromIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Attributable To Temporary Differences From Intangible Assets</link:label>
    <link:label id="lab_meso_DeferredTaxLiabilitiesAttributableToTemporaryDifferencesFromIntangibleAssets_documentation_en-US" xlink:label="lab_meso_DeferredTaxLiabilitiesAttributableToTemporaryDifferencesFromIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities attributable to temporary differences from intangible assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxLiabilitiesAttributableToTemporaryDifferencesFromIntangibleAssets" xlink:href="meso-20260630.xsd#meso_DeferredTaxLiabilitiesAttributableToTemporaryDifferencesFromIntangibleAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxLiabilitiesAttributableToTemporaryDifferencesFromIntangibleAssets" xlink:to="lab_meso_DeferredTaxLiabilitiesAttributableToTemporaryDifferencesFromIntangibleAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfWarrantsGrantedToPurchaseShares_019f5a65-fbd2-7622-9bd7-ba23a54cab5b_terseLabel_en-US" xlink:label="lab_meso_NumberOfWarrantsGrantedToPurchaseShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of warrants granted to purchase shares (in shares)</link:label>
    <link:label id="lab_meso_NumberOfWarrantsGrantedToPurchaseShares_label_en-US" xlink:label="lab_meso_NumberOfWarrantsGrantedToPurchaseShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Warrants Granted To Purchase Shares</link:label>
    <link:label id="lab_meso_NumberOfWarrantsGrantedToPurchaseShares_documentation_en-US" xlink:label="lab_meso_NumberOfWarrantsGrantedToPurchaseShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Warrants Granted To Purchase Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfWarrantsGrantedToPurchaseShares" xlink:href="meso-20260630.xsd#meso_NumberOfWarrantsGrantedToPurchaseShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfWarrantsGrantedToPurchaseShares" xlink:to="lab_meso_NumberOfWarrantsGrantedToPurchaseShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract_019f3528-b14c-73e8-91d7-f8688ec0e11d_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax (benefit)/expense</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax expense (income) and adjustments for current tax of prior periods [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_OtherCurrencyMember_019f3528-b026-7a17-893b-fbd8ff068034_terseLabel_en-US" xlink:label="lab_srt_OtherCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other currency</link:label>
    <link:label id="lab_srt_OtherCurrencyMember_label_en-US" xlink:label="lab_srt_OtherCurrencyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Currency [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OtherCurrencyMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OtherCurrencyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OtherCurrencyMember" xlink:to="lab_srt_OtherCurrencyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_019f3528-b026-70f3-817f-22946b2e901f_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">Key management personnel compensation</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_019f3528-b026-7877-b328-97349b6fc321_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Key management personnel compensation</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_meso_TreasurySharesPurchased_019f3528-b026-7a60-8327-b3156d552b23_negatedLabel_en-US" xlink:label="lab_meso_TreasurySharesPurchased" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Less: Treasury Shares (in shares)</link:label>
    <link:label id="lab_meso_TreasurySharesPurchased_label_en-US" xlink:label="lab_meso_TreasurySharesPurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Shares Purchased</link:label>
    <link:label id="lab_meso_TreasurySharesPurchased_documentation_en-US" xlink:label="lab_meso_TreasurySharesPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Treasury shares purchased.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TreasurySharesPurchased" xlink:href="meso-20260630.xsd#meso_TreasurySharesPurchased"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TreasurySharesPurchased" xlink:to="lab_meso_TreasurySharesPurchased" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesTable_019f3528-b026-781e-8b5b-905be82e7df5_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Contingent Assets And Liabilities [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesTable_label_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Contingent Assets And Liabilities [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesTable_documentation_en-US" xlink:label="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of contingent assets and liabilities table.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfContingentAssetsAndLiabilitiesTable" xlink:href="meso-20260630.xsd#meso_DisclosureOfContingentAssetsAndLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfContingentAssetsAndLiabilitiesTable" xlink:to="lab_meso_DisclosureOfContingentAssetsAndLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices_019fd1c9-2e3a-7825-a9de-2f0410f7fdab_terseLabel_en-US" xlink:label="lab_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receipts from customers</link:label>
    <link:label id="lab_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices_label_en-US" xlink:label="lab_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receipts from sales of goods and rendering of services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices" xlink:to="lab_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OaktreeCapitalManagementLPMember_019f3528-b0c3-709a-94b5-c3f2fe814d9c_terseLabel_en-US" xlink:label="lab_meso_OaktreeCapitalManagementLPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Oaktree Capital Management, L.P.</link:label>
    <link:label id="lab_meso_OaktreeCapitalManagementLPMember_019f3528-b0c3-7d07-90a8-4f8b83f5dcf8_verboseLabel_en-US" xlink:label="lab_meso_OaktreeCapitalManagementLPMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Borrowings - Oaktree</link:label>
    <link:label id="lab_meso_OaktreeCapitalManagementLPMember_label_en-US" xlink:label="lab_meso_OaktreeCapitalManagementLPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Oaktree Capital Management L P [Member]</link:label>
    <link:label id="lab_meso_OaktreeCapitalManagementLPMember_documentation_en-US" xlink:label="lab_meso_OaktreeCapitalManagementLPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Oaktree Capital Management, L.P.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OaktreeCapitalManagementLPMember" xlink:href="meso-20260630.xsd#meso_OaktreeCapitalManagementLPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OaktreeCapitalManagementLPMember" xlink:to="lab_meso_OaktreeCapitalManagementLPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ServiceConcessionArrangementsDomain_019f3528-b14c-7607-b974-6becfb3d2ec1_terseLabel_en-US" xlink:label="lab_ifrs-full_ServiceConcessionArrangementsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service concession arrangements</link:label>
    <link:label id="lab_ifrs-full_ServiceConcessionArrangementsDomain_label_en-US" xlink:label="lab_ifrs-full_ServiceConcessionArrangementsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Service concession arrangements [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ServiceConcessionArrangementsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ServiceConcessionArrangementsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ServiceConcessionArrangementsDomain" xlink:to="lab_ifrs-full_ServiceConcessionArrangementsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilities_019f3528-b14c-7fe2-ad04-22d6de0c48a0_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_meso_TrancheDomain_019f6909-73f8-74d5-a08d-b4782e55ad92_terseLabel_en-US" xlink:label="lab_meso_TrancheDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche [Domain]</link:label>
    <link:label id="lab_meso_TrancheDomain_label_en-US" xlink:label="lab_meso_TrancheDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche [Domain]</link:label>
    <link:label id="lab_meso_TrancheDomain_documentation_en-US" xlink:label="lab_meso_TrancheDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TrancheDomain" xlink:href="meso-20260630.xsd#meso_TrancheDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TrancheDomain" xlink:to="lab_meso_TrancheDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SecurityDepositMember_019f3528-b14c-7f5a-a890-301d5a5b029c_terseLabel_en-US" xlink:label="lab_meso_SecurityDepositMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security deposit</link:label>
    <link:label id="lab_meso_SecurityDepositMember_label_en-US" xlink:label="lab_meso_SecurityDepositMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security Deposit [Member]</link:label>
    <link:label id="lab_meso_SecurityDepositMember_documentation_en-US" xlink:label="lab_meso_SecurityDepositMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Security deposit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SecurityDepositMember" xlink:href="meso-20260630.xsd#meso_SecurityDepositMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SecurityDepositMember" xlink:to="lab_meso_SecurityDepositMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_019f3528-b0c3-78f4-9cd0-4e55b53b5bf9_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">Ordinary shares</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"/>
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    <link:label id="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodExplanatoryTextBlock_019f3528-af4f-712b-bcb4-1303f91df270_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant changes in the current reporting period</link:label>
    <link:label id="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodExplanatoryTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Significant Changes In Current Reporting Period Explanatory [Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodExplanatoryTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of significant changes in current reporting period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSignificantChangesInCurrentReportingPeriodExplanatoryTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfSignificantChangesInCurrentReportingPeriodExplanatoryTextBlock"/>
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    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory_019f3528-b0c3-7f88-bdf3-29d674f2479d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Financial Assets at Fair Value through Other Comprehensive Income</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory"/>
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    <link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_019f3528-af4f-75b8-9c2d-6cecc94880f1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Losses per share</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEarningsPerShareExplanatory"/>
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    <link:label id="lab_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory_019f3528-b026-727a-9937-f2e3f352a176_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remuneration of auditors</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of auditors' remuneration [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAuditorsRemunerationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019f3528-b0c3-78e9-af8c-3d4aa38ca499_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">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_TradeAndOtherCurrentPayables_019f3528-b14c-79b7-8460-fe2ebdd27e4d_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_01a01835-0768-7e6a-abce-6fa6bbb58bae_totalLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other current payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract_019f3528-b026-7fce-84c6-d943017a68cb_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts recognized directly in equity</link:label>
    <link:label id="lab_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current and deferred tax relating to items charged or credited directly to equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract" xlink:to="lab_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ApplicableTaxRate_019f3528-b026-7caa-b2ad-48ce82f026cf_terseLabel_en-US" xlink:label="lab_ifrs-full_ApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statutory tax rate</link:label>
    <link:label id="lab_ifrs-full_ApplicableTaxRate_label_en-US" xlink:label="lab_ifrs-full_ApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Applicable tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ApplicableTaxRate"/>
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    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_019f3528-b026-79d2-a836-f07e2d14f60d_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</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_ifrs-full_AuditorsRemunerationAbstract_019f3528-b026-7fea-b45f-fa91101c96b6_terseLabel_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Audit and other assurance services</link:label>
    <link:label id="lab_ifrs-full_AuditorsRemunerationAbstract_label_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's remuneration [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AuditorsRemunerationAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemunerationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AuditorsRemunerationAbstract" xlink:to="lab_ifrs-full_AuditorsRemunerationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyNineCMember_019f3528-b0c3-7363-ac75-70243bf81cf6_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyNineCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">79c</link:label>
    <link:label id="lab_meso_SeriesSeventyNineCMember_label_en-US" xlink:label="lab_meso_SeriesSeventyNineCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Nine C [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyNineCMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyNineCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Seventy Nine C</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyNineCMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyNineCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyNineCMember" xlink:to="lab_meso_SeriesSeventyNineCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_019f3528-af4f-7773-906d-835b22296b93_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_meso_EmployeeShareOptionPlanMaximumNumberOfOptionsAvailableForIssuance_019f3528-b026-7b42-899d-f20574a6b279_terseLabel_en-US" xlink:label="lab_meso_EmployeeShareOptionPlanMaximumNumberOfOptionsAvailableForIssuance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee share option plan, maximum number of options available for issuance (in shares)</link:label>
    <link:label id="lab_meso_EmployeeShareOptionPlanMaximumNumberOfOptionsAvailableForIssuance_label_en-US" xlink:label="lab_meso_EmployeeShareOptionPlanMaximumNumberOfOptionsAvailableForIssuance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Share Option Plan Maximum Number Of Options Available For Issuance</link:label>
    <link:label id="lab_meso_EmployeeShareOptionPlanMaximumNumberOfOptionsAvailableForIssuance_documentation_en-US" xlink:label="lab_meso_EmployeeShareOptionPlanMaximumNumberOfOptionsAvailableForIssuance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employee share option plan, maximum number of options available for issuance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_EmployeeShareOptionPlanMaximumNumberOfOptionsAvailableForIssuance" xlink:href="meso-20260630.xsd#meso_EmployeeShareOptionPlanMaximumNumberOfOptionsAvailableForIssuance"/>
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    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax_019f3528-b0c3-730f-a706-0f82f24627cf_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">Currency gain/(loss) on translation of foreign operations net assets</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"/>
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    <link:label id="lab_dei_LocalPhoneNumber_019f3528-b0c3-7582-8b07-0d833852c996_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:label id="lab_dei_LocalPhoneNumber_label_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
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    <link:label id="lab_ifrs-full_ProceedsFromIssuingShares_019f3528-af4f-7c13-a86c-003b7e74f080_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issue of shares</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromIssuingShares_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from issuing shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssuingShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromIssuingShares"/>
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    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_019f3528-af4f-728c-af1f-9fa80e98cb2d_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">Within 1 year</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_meso_FairValueRemeasurementOfWarrantLiability_019f3528-b025-79fc-88a0-2e95c3ccfa6a_negatedLabel_en-US" xlink:label="lab_meso_FairValueRemeasurementOfWarrantLiability" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of warrant liability</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfWarrantLiability_019f3528-b025-7b28-b1d0-8a3094d1686e_negatedTotalLabel_en-US" xlink:label="lab_meso_FairValueRemeasurementOfWarrantLiability" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total Fair value remeasurement of warrant liability</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfWarrantLiability_label_en-US" xlink:label="lab_meso_FairValueRemeasurementOfWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Remeasurement Of Warrant Liability</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfWarrantLiability_documentation_en-US" xlink:label="lab_meso_FairValueRemeasurementOfWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of warrant liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FairValueRemeasurementOfWarrantLiability" xlink:href="meso-20260630.xsd#meso_FairValueRemeasurementOfWarrantLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FairValueRemeasurementOfWarrantLiability" xlink:to="lab_meso_FairValueRemeasurementOfWarrantLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ConversionRatioOfShares_01a0368f-e53d-70c2-babe-8363eacfe2b0_terseLabel_en-US" xlink:label="lab_meso_ConversionRatioOfShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion ratio of shares</link:label>
    <link:label id="lab_meso_ConversionRatioOfShares_label_en-US" xlink:label="lab_meso_ConversionRatioOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion Ratio Of Shares</link:label>
    <link:label id="lab_meso_ConversionRatioOfShares_documentation_en-US" xlink:label="lab_meso_ConversionRatioOfShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Conversion Ratio Of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ConversionRatioOfShares" xlink:href="meso-20260630.xsd#meso_ConversionRatioOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ConversionRatioOfShares" xlink:to="lab_meso_ConversionRatioOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ReceivablesFromOtherNoncurrentTaxCredits_019f3528-b025-783d-99c1-c2118ce4d563_terseLabel_en-US" xlink:label="lab_meso_ReceivablesFromOtherNoncurrentTaxCredits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum A rated bank deposits (held as security)</link:label>
    <link:label id="lab_meso_ReceivablesFromOtherNoncurrentTaxCredits_label_en-US" xlink:label="lab_meso_ReceivablesFromOtherNoncurrentTaxCredits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables From Other Noncurrent Tax Credits</link:label>
    <link:label id="lab_meso_ReceivablesFromOtherNoncurrentTaxCredits_documentation_en-US" xlink:label="lab_meso_ReceivablesFromOtherNoncurrentTaxCredits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Receivable from tax credits noncurrent.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ReceivablesFromOtherNoncurrentTaxCredits" xlink:href="meso-20260630.xsd#meso_ReceivablesFromOtherNoncurrentTaxCredits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ReceivablesFromOtherNoncurrentTaxCredits" xlink:to="lab_meso_ReceivablesFromOtherNoncurrentTaxCredits" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortyOneMember_019f3528-b026-74d1-b44e-b99094287a70_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">41</link:label>
    <link:label id="lab_meso_SeriesFortyOneMember_label_en-US" xlink:label="lab_meso_SeriesFortyOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty One [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyOneMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 41.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyOneMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyOneMember" xlink:to="lab_meso_SeriesFortyOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember_019f3528-b0c3-76a7-a54b-73b15831c9b3_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">Liabilities at FVTPL</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_ifrs-full_AuditorsRemuneration_019f3528-b026-7b30-ad12-e631990bb3e4_totalLabel_en-US" xlink:label="lab_ifrs-full_AuditorsRemuneration" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total auditors' remuneration</link:label>
    <link:label id="lab_ifrs-full_AuditorsRemuneration_label_en-US" xlink:label="lab_ifrs-full_AuditorsRemuneration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's remuneration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AuditorsRemuneration" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemuneration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AuditorsRemuneration" xlink:to="lab_ifrs-full_AuditorsRemuneration" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ShareBasedCompensationForContingentConsiderationShares_019f3528-b0c3-7f2e-a246-c92368e8f10e_verboseLabel_en-US" xlink:label="lab_meso_ShareBasedCompensationForContingentConsiderationShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share based compensation for contingent consideration (in shares)</link:label>
    <link:label id="lab_meso_ShareBasedCompensationForContingentConsiderationShares_019f3528-b0c3-7655-a29a-c858f6905a65_terseLabel_en-US" xlink:label="lab_meso_ShareBasedCompensationForContingentConsiderationShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share based compensation for contingent consideration (in shares)</link:label>
    <link:label id="lab_meso_ShareBasedCompensationForContingentConsiderationShares_label_en-US" xlink:label="lab_meso_ShareBasedCompensationForContingentConsiderationShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation For Contingent Consideration, Shares</link:label>
    <link:label id="lab_meso_ShareBasedCompensationForContingentConsiderationShares_documentation_en-US" xlink:label="lab_meso_ShareBasedCompensationForContingentConsiderationShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share based compensation for services rendered shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ShareBasedCompensationForContingentConsiderationShares" xlink:href="meso-20260630.xsd#meso_ShareBasedCompensationForContingentConsiderationShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ShareBasedCompensationForContingentConsiderationShares" xlink:to="lab_meso_ShareBasedCompensationForContingentConsiderationShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019f3528-b026-7a5a-a10c-a13a3af4436f_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">Borrowings</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019f3528-b026-74a2-9fbc-87fb64f204b6_verboseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" 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_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_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_019f3528-b14c-7720-8865-2f7dedc7df29_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">(Increase)/decrease in inventory</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_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_019f3528-b14c-7d69-ab88-96cf9dc5b696_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_meso_IncreaseInInterestRatePercentage_019f3528-b025-79ef-b5ee-0797364414db_terseLabel_en-US" xlink:label="lab_meso_IncreaseInInterestRatePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate increase</link:label>
    <link:label id="lab_meso_IncreaseInInterestRatePercentage_label_en-US" xlink:label="lab_meso_IncreaseInInterestRatePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase In Interest Rate Percentage</link:label>
    <link:label id="lab_meso_IncreaseInInterestRatePercentage_documentation_en-US" xlink:label="lab_meso_IncreaseInInterestRatePercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase in interest rate percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseInInterestRatePercentage" xlink:href="meso-20260630.xsd#meso_IncreaseInInterestRatePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseInInterestRatePercentage" xlink:to="lab_meso_IncreaseInInterestRatePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_019f5a44-a335-7448-87ea-6639c04de558_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 borrowings</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_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_019f3528-af4f-750c-a12f-0c8c5e5e2996_negatedLabel_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments for lease liabilities</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_dei_EntityVoluntaryFilers_019f3528-b0c3-7c2b-a61a-f691077f3332_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:label id="lab_dei_EntityVoluntaryFilers_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityVoluntaryFilers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers" xlink:to="lab_dei_EntityVoluntaryFilers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_019f3528-af4f-7896-8504-fd2d25283297_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in profit or loss</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncreaseDecreaseFromWarrantyLiabilityClassifiedAsFinancingActivities_019fd722-efae-72ae-8886-aa0fec6a3a37_terseLabel_en-US" xlink:label="lab_meso_IncreaseDecreaseFromWarrantyLiabilityClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows, warrant liability</link:label>
    <link:label id="lab_meso_IncreaseDecreaseFromWarrantyLiabilityClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_meso_IncreaseDecreaseFromWarrantyLiabilityClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) From Warranty Liability, Classified As Financing Activities</link:label>
    <link:label id="lab_meso_IncreaseDecreaseFromWarrantyLiabilityClassifiedAsFinancingActivities_documentation_en-US" xlink:label="lab_meso_IncreaseDecreaseFromWarrantyLiabilityClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) From Warranty Liability, Classified As Financing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseDecreaseFromWarrantyLiabilityClassifiedAsFinancingActivities" xlink:href="meso-20260630.xsd#meso_IncreaseDecreaseFromWarrantyLiabilityClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseDecreaseFromWarrantyLiabilityClassifiedAsFinancingActivities" xlink:to="lab_meso_IncreaseDecreaseFromWarrantyLiabilityClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyNineDMember_019f3528-b026-7e45-996a-45863ad94f3e_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyNineDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">79d</link:label>
    <link:label id="lab_meso_SeriesSeventyNineDMember_label_en-US" xlink:label="lab_meso_SeriesSeventyNineDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Nine D [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyNineDMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyNineDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Seventy Nine D</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyNineDMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyNineDMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyNineDMember" xlink:to="lab_meso_SeriesSeventyNineDMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_019f3528-b0c3-7066-9817-fa38b3e67aad_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">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_019f3528-b14c-793c-bea0-85c1285aef42_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">Total basic (losses) per share attributable to the ordinary equity holders of the company (in USD per share)</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_RawMaterials_019f3528-b026-7518-853c-bcf15bff0f76_terseLabel_en-US" xlink:label="lab_ifrs-full_RawMaterials" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Raw materials</link:label>
    <link:label id="lab_ifrs-full_RawMaterials_label_en-US" xlink:label="lab_ifrs-full_RawMaterials" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current raw materials</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RawMaterials" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RawMaterials"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RawMaterials" xlink:to="lab_ifrs-full_RawMaterials" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_019f3528-b026-78d4-9992-ce240bd8b7d2_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">Foreign exchange (gains)/losses</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_meso_SeniorDebtFacilityMember_019f3528-b025-7e09-84a9-a3836affe5d3_terseLabel_en-US" xlink:label="lab_meso_SeniorDebtFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior debt facility</link:label>
    <link:label id="lab_meso_SeniorDebtFacilityMember_label_en-US" xlink:label="lab_meso_SeniorDebtFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Debt Facility [Member]</link:label>
    <link:label id="lab_meso_SeniorDebtFacilityMember_documentation_en-US" xlink:label="lab_meso_SeniorDebtFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior Debt Facility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeniorDebtFacilityMember" xlink:href="meso-20260630.xsd#meso_SeniorDebtFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeniorDebtFacilityMember" xlink:to="lab_meso_SeniorDebtFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesEightyMember_019f3528-b025-7a3d-9eb8-0d2b9f4419da_terseLabel_en-US" xlink:label="lab_meso_SeriesEightyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">80</link:label>
    <link:label id="lab_meso_SeriesEightyMember_label_en-US" xlink:label="lab_meso_SeriesEightyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty [Member]</link:label>
    <link:label id="lab_meso_SeriesEightyMember_documentation_en-US" xlink:label="lab_meso_SeriesEightyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightyMember" xlink:href="meso-20260630.xsd#meso_SeriesEightyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightyMember" xlink:to="lab_meso_SeriesEightyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiquidityRiskMember_019f3528-b14c-7de5-bc6e-5e4cd8eafdd0_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</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_meso_OtherOperatingIncomeAndExpensesAbstract_019f3528-b0c3-7173-bd7a-4d2ff9198e84_terseLabel_en-US" xlink:label="lab_meso_OtherOperatingIncomeAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other operating income and expenses</link:label>
    <link:label id="lab_meso_OtherOperatingIncomeAndExpensesAbstract_label_en-US" xlink:label="lab_meso_OtherOperatingIncomeAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Income And Expenses [Abstract]</link:label>
    <link:label id="lab_meso_OtherOperatingIncomeAndExpensesAbstract_documentation_en-US" xlink:label="lab_meso_OtherOperatingIncomeAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Operating Income And Expenses [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherOperatingIncomeAndExpensesAbstract" xlink:href="meso-20260630.xsd#meso_OtherOperatingIncomeAndExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OtherOperatingIncomeAndExpensesAbstract" xlink:to="lab_meso_OtherOperatingIncomeAndExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_019f3528-b14c-701b-bf95-18a0835a7c8b_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 ordinary shares and potential ordinary shares used in calculating diluted losses per share (in shares)</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_meso_RDTaxIncentiveIncome_019f3528-b025-75c1-be3f-6aa6b33126cf_verboseLabel_en-US" xlink:label="lab_meso_RDTaxIncentiveIncome" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Research and development tax incentive income</link:label>
    <link:label id="lab_meso_RDTaxIncentiveIncome_label_en-US" xlink:label="lab_meso_RDTaxIncentiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">R&amp;D Tax Incentive Income</link:label>
    <link:label id="lab_meso_RDTaxIncentiveIncome_documentation_en-US" xlink:label="lab_meso_RDTaxIncentiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">R&amp;D Tax Incentive Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RDTaxIncentiveIncome" xlink:href="meso-20260630.xsd#meso_RDTaxIncentiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RDTaxIncentiveIncome" xlink:to="lab_meso_RDTaxIncentiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OtherPurchaseCommitments_019f3528-af4f-7d06-ba6f-83dcdbff878b_terseLabel_en-US" xlink:label="lab_meso_OtherPurchaseCommitments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other purchase commitments</link:label>
    <link:label id="lab_meso_OtherPurchaseCommitments_label_en-US" xlink:label="lab_meso_OtherPurchaseCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Purchase Commitments</link:label>
    <link:label id="lab_meso_OtherPurchaseCommitments_documentation_en-US" xlink:label="lab_meso_OtherPurchaseCommitments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other purchase commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherPurchaseCommitments" xlink:href="meso-20260630.xsd#meso_OtherPurchaseCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OtherPurchaseCommitments" xlink:to="lab_meso_OtherPurchaseCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ConsumerLoansMember_019ff67f-5492-7d07-b34b-2c82d2512d89_terseLabel_en-US" xlink:label="lab_ifrs-full_ConsumerLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans to consumers [member]</link:label>
    <link:label id="lab_ifrs-full_ConsumerLoansMember_label_en-US" xlink:label="lab_ifrs-full_ConsumerLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans to consumers [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ConsumerLoansMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConsumerLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ConsumerLoansMember" xlink:to="lab_ifrs-full_ConsumerLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RegulatoryEnvironmentsAxis_019f3528-b026-7bc9-9031-a595b8170cd3_terseLabel_en-US" xlink:label="lab_ifrs-full_RegulatoryEnvironmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory environments [axis]</link:label>
    <link:label id="lab_ifrs-full_RegulatoryEnvironmentsAxis_label_en-US" xlink:label="lab_ifrs-full_RegulatoryEnvironmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory environments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RegulatoryEnvironmentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RegulatoryEnvironmentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RegulatoryEnvironmentsAxis" xlink:to="lab_ifrs-full_RegulatoryEnvironmentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndThreeMember_019f3528-b026-740a-abef-341a9d26bd76_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">103</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndThreeMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred and Three [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndThreeMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred and Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndThreeMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndThreeMember" xlink:to="lab_meso_SeriesOneHundredAndThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetySixMember_019f3528-af4f-75b0-bbd7-03d45c8f85ee_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetySixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">96</link:label>
    <link:label id="lab_meso_SeriesNinetySixMember_label_en-US" xlink:label="lab_meso_SeriesNinetySixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Six [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetySixMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetySixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Six</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetySixMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetySixMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetySixMember" xlink:to="lab_meso_SeriesNinetySixMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortySevenMember_019f3528-b025-79d2-b7d3-aee2745a2527_terseLabel_en-US" xlink:label="lab_meso_SeriesFortySevenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">47</link:label>
    <link:label id="lab_meso_SeriesFortySevenMember_label_en-US" xlink:label="lab_meso_SeriesFortySevenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Seven [Member]</link:label>
    <link:label id="lab_meso_SeriesFortySevenMember_documentation_en-US" xlink:label="lab_meso_SeriesFortySevenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 47.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortySevenMember" xlink:href="meso-20260630.xsd#meso_SeriesFortySevenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortySevenMember" xlink:to="lab_meso_SeriesFortySevenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BorrowingFacilitiesMaximumBorrowingCapacity_019f5a44-a335-7c23-a108-51a3a2e14260_terseLabel_en-US" xlink:label="lab_meso_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_meso_BorrowingFacilitiesMaximumBorrowingCapacity_label_en-US" xlink:label="lab_meso_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_meso_BorrowingFacilitiesMaximumBorrowingCapacity_documentation_en-US" xlink:label="lab_meso_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_meso_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:href="meso-20260630.xsd#meso_BorrowingFacilitiesMaximumBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:to="lab_meso_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesThirtyEightMember_019f3528-b026-75a5-a9dd-fa22fb408b9b_terseLabel_en-US" xlink:label="lab_meso_SeriesThirtyEightMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">38</link:label>
    <link:label id="lab_meso_SeriesThirtyEightMember_label_en-US" xlink:label="lab_meso_SeriesThirtyEightMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Thirty Eight [Member]</link:label>
    <link:label id="lab_meso_SeriesThirtyEightMember_documentation_en-US" xlink:label="lab_meso_SeriesThirtyEightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 38.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesThirtyEightMember" xlink:href="meso-20260630.xsd#meso_SeriesThirtyEightMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesThirtyEightMember" xlink:to="lab_meso_SeriesThirtyEightMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_019f3528-b026-768d-925f-2d0d7d1c273a_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_ifrs-full_AdjustmentsForSharebasedPayments_019f3528-b0c3-76c3-9a2e-69839aabb3cc_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity settled share-based payment</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for share-based payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForSharebasedPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WarrantLiability_019f3528-b025-7a36-aef8-1bdf2fcfe6c8_terseLabel_en-US" xlink:label="lab_ifrs-full_WarrantLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrant liability</link:label>
    <link:label id="lab_ifrs-full_WarrantLiability_019f3528-b025-7707-b33d-76021538ed61_negatedLabel_en-US" xlink:label="lab_ifrs-full_WarrantLiability" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Warrant liability</link:label>
    <link:label id="lab_ifrs-full_WarrantLiability_019f3528-b025-74bf-891f-027a66bb4bdf_negatedPeriodStartLabel_en-US" xlink:label="lab_ifrs-full_WarrantLiability" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">Warrant liability at beginning of period</link:label>
    <link:label id="lab_ifrs-full_WarrantLiability_019f3528-b025-7988-95e9-87a4070bf3e9_negatedPeriodEndLabel_en-US" xlink:label="lab_ifrs-full_WarrantLiability" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">Warrant liability at end of period</link:label>
    <link:label id="lab_ifrs-full_WarrantLiability_019f3528-b025-7f9f-9ef8-4c513dd4b9f6_verboseLabel_en-US" xlink:label="lab_ifrs-full_WarrantLiability" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Warrant liabilities</link:label>
    <link:label id="lab_ifrs-full_WarrantLiability_019f3528-b025-74ea-b1a3-13a66030633a_periodStartLabel_en-US" xlink:label="lab_ifrs-full_WarrantLiability" 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_WarrantLiability_019f3528-b025-7a03-a53d-f6510867fe3c_periodEndLabel_en-US" xlink:label="lab_ifrs-full_WarrantLiability" 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_WarrantLiability_label_en-US" xlink:label="lab_ifrs-full_WarrantLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrant liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WarrantLiability" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WarrantLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WarrantLiability" xlink:to="lab_ifrs-full_WarrantLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortySixMember_019f3528-af4f-7513-a5e0-23358855a974_terseLabel_en-US" xlink:label="lab_meso_SeriesFortySixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">46</link:label>
    <link:label id="lab_meso_SeriesFortySixMember_label_en-US" xlink:label="lab_meso_SeriesFortySixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Six [Member]</link:label>
    <link:label id="lab_meso_SeriesFortySixMember_documentation_en-US" xlink:label="lab_meso_SeriesFortySixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 46.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortySixMember" xlink:href="meso-20260630.xsd#meso_SeriesFortySixMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortySixMember" xlink:to="lab_meso_SeriesFortySixMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_019f3528-b026-7971-ac97-50afebea948f_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of intangible assets and goodwill [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of intangible assets and goodwill [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract_019f3528-b026-70c9-8758-2aee630ba2a8_terseLabel_en-US" xlink:label="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major components of tax expense (income) [abstract]</link:label>
    <link:label id="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major components of tax expense (income) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:to="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RiskFreeInterestRateContingentConsiderationValuation_01a0360e-3ce3-7711-b5d3-acfc4b43f047_terseLabel_en-US" xlink:label="lab_meso_RiskFreeInterestRateContingentConsiderationValuation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk Free Interest Rate</link:label>
    <link:label id="lab_meso_RiskFreeInterestRateContingentConsiderationValuation_label_en-US" xlink:label="lab_meso_RiskFreeInterestRateContingentConsiderationValuation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Free Interest Rate, Contingent Consideration Valuation</link:label>
    <link:label id="lab_meso_RiskFreeInterestRateContingentConsiderationValuation_documentation_en-US" xlink:label="lab_meso_RiskFreeInterestRateContingentConsiderationValuation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Free Interest Rate, Contingent Consideration Valuation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RiskFreeInterestRateContingentConsiderationValuation" xlink:href="meso-20260630.xsd#meso_RiskFreeInterestRateContingentConsiderationValuation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RiskFreeInterestRateContingentConsiderationValuation" xlink:to="lab_meso_RiskFreeInterestRateContingentConsiderationValuation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReservesWithinEquityDomain_019f3528-b0c3-7ff5-922b-e68507fd7f89_terseLabel_en-US" xlink:label="lab_ifrs-full_ReservesWithinEquityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserves within equity [domain]</link:label>
    <link:label id="lab_ifrs-full_ReservesWithinEquityDomain_label_en-US" xlink:label="lab_ifrs-full_ReservesWithinEquityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserves within equity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReservesWithinEquityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReservesWithinEquityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReservesWithinEquityDomain" xlink:to="lab_ifrs-full_ReservesWithinEquityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PlacementOfSharesForExerciseOfWarrantsShares_019f3528-b14c-7f2e-90b5-2733777c766c_terseLabel_en-US" xlink:label="lab_meso_PlacementOfSharesForExerciseOfWarrantsShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement of shares for exercise of warrants (in shares)</link:label>
    <link:label id="lab_meso_PlacementOfSharesForExerciseOfWarrantsShares_label_en-US" xlink:label="lab_meso_PlacementOfSharesForExerciseOfWarrantsShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Placement Of Shares For Exercise Of Warrants, Shares</link:label>
    <link:label id="lab_meso_PlacementOfSharesForExerciseOfWarrantsShares_documentation_en-US" xlink:label="lab_meso_PlacementOfSharesForExerciseOfWarrantsShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Placement Of Shares For Exercise Of Warrants, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PlacementOfSharesForExerciseOfWarrantsShares" xlink:href="meso-20260630.xsd#meso_PlacementOfSharesForExerciseOfWarrantsShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PlacementOfSharesForExerciseOfWarrantsShares" xlink:to="lab_meso_PlacementOfSharesForExerciseOfWarrantsShares" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CollaborationAgreementProfitSharingPercentage_019f3528-b14c-78e9-ad54-d230ccfd96bc_terseLabel_en-US" xlink:label="lab_meso_CollaborationAgreementProfitSharingPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit sharing percentage</link:label>
    <link:label id="lab_meso_CollaborationAgreementProfitSharingPercentage_label_en-US" xlink:label="lab_meso_CollaborationAgreementProfitSharingPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaboration Agreement, Profit Sharing Percentage</link:label>
    <link:label id="lab_meso_CollaborationAgreementProfitSharingPercentage_documentation_en-US" xlink:label="lab_meso_CollaborationAgreementProfitSharingPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Collaboration Agreement, Profit Sharing Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CollaborationAgreementProfitSharingPercentage" xlink:href="meso-20260630.xsd#meso_CollaborationAgreementProfitSharingPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CollaborationAgreementProfitSharingPercentage" xlink:to="lab_meso_CollaborationAgreementProfitSharingPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfSharesTransferredToEmployeeShareTrust_019f3528-b14c-7d31-84b7-503a3935c778_terseLabel_en-US" xlink:label="lab_meso_NumberOfSharesTransferredToEmployeeShareTrust" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfer to employee share trust (in shares)</link:label>
    <link:label id="lab_meso_NumberOfSharesTransferredToEmployeeShareTrust_label_en-US" xlink:label="lab_meso_NumberOfSharesTransferredToEmployeeShareTrust" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Shares Transferred to Employee Share Trust</link:label>
    <link:label id="lab_meso_NumberOfSharesTransferredToEmployeeShareTrust_documentation_en-US" xlink:label="lab_meso_NumberOfSharesTransferredToEmployeeShareTrust" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of shares transfer to employee share trust.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfSharesTransferredToEmployeeShareTrust" xlink:href="meso-20260630.xsd#meso_NumberOfSharesTransferredToEmployeeShareTrust"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfSharesTransferredToEmployeeShareTrust" xlink:to="lab_meso_NumberOfSharesTransferredToEmployeeShareTrust" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WarrantsMember_019f3528-af4f-7528-94ba-43efffbce00f_terseLabel_en-US" xlink:label="lab_ifrs-full_WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrants</link:label>
    <link:label id="lab_ifrs-full_WarrantsMember_label_en-US" xlink:label="lab_ifrs-full_WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WarrantsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WarrantsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WarrantsMember" xlink:to="lab_ifrs-full_WarrantsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_AllCurrenciesDomain_019f3528-b0c3-7b06-84d2-17bf46eb7d98_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</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_019f3528-b0c3-7553-8e1e-fc1efafe8506_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_019f3528-b0c3-79d7-9fa5-8c189a965926_verboseLabel_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Shareholders' 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_OtherEquitySecuritiesMember_019f3528-b0c3-7039-9035-cde15350285c_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherEquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other equity securities [member]</link:label>
    <link:label id="lab_ifrs-full_OtherEquitySecuritiesMember_label_en-US" xlink:label="lab_ifrs-full_OtherEquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other equity securities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherEquitySecuritiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEquitySecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherEquitySecuritiesMember" xlink:to="lab_ifrs-full_OtherEquitySecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_019f3528-b14c-761e-8687-f1c51c52d43b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" 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 [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" 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 [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutFairValueOfWarrantsExplanatoryTableTextBlock_019f3528-b0c3-7758-8c52-1f3e5d9cf529_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutFairValueOfWarrantsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Fair Value of Warrants</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutFairValueOfWarrantsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutFairValueOfWarrantsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Fair Value Of Warrants Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutFairValueOfWarrantsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutFairValueOfWarrantsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about fair value of warrants.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfDetailedInformationAboutFairValueOfWarrantsExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfDetailedInformationAboutFairValueOfWarrantsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfDetailedInformationAboutFairValueOfWarrantsExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfDetailedInformationAboutFairValueOfWarrantsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract_019f3528-b0c3-7b7c-8a36-688a61e5fccd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RefinancingAndExpansionOfSeniorDebtFacilityMember_019f3528-b0c3-749e-81e1-a470984334f6_terseLabel_en-US" xlink:label="lab_meso_RefinancingAndExpansionOfSeniorDebtFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Refinancing and expansion of senior debt facility</link:label>
    <link:label id="lab_meso_RefinancingAndExpansionOfSeniorDebtFacilityMember_label_en-US" xlink:label="lab_meso_RefinancingAndExpansionOfSeniorDebtFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Refinancing And Expansion Of Senior Debt Facility [Member]</link:label>
    <link:label id="lab_meso_RefinancingAndExpansionOfSeniorDebtFacilityMember_documentation_en-US" xlink:label="lab_meso_RefinancingAndExpansionOfSeniorDebtFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Refinancing and expansion of senior debt facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RefinancingAndExpansionOfSeniorDebtFacilityMember" xlink:href="meso-20260630.xsd#meso_RefinancingAndExpansionOfSeniorDebtFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RefinancingAndExpansionOfSeniorDebtFacilityMember" xlink:to="lab_meso_RefinancingAndExpansionOfSeniorDebtFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ForeignWithholdingTaxesPaid_019f3528-b026-7ce1-82cc-327e43fde821_negatedLabel_en-US" xlink:label="lab_meso_ForeignWithholdingTaxesPaid" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Foreign withholding tax paid</link:label>
    <link:label id="lab_meso_ForeignWithholdingTaxesPaid_label_en-US" xlink:label="lab_meso_ForeignWithholdingTaxesPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Withholding Taxes Paid</link:label>
    <link:label id="lab_meso_ForeignWithholdingTaxesPaid_documentation_en-US" xlink:label="lab_meso_ForeignWithholdingTaxesPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign withholding taxes paid.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ForeignWithholdingTaxesPaid" xlink:href="meso-20260630.xsd#meso_ForeignWithholdingTaxesPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ForeignWithholdingTaxesPaid" xlink:to="lab_meso_ForeignWithholdingTaxesPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesTable_019f3528-b14c-7187-ba74-a9e6a2708141_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Effect Of Changes In Foreign Exchange Rates [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesTable_label_en-US" xlink:label="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesTable" 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 [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesTable_documentation_en-US" xlink:label="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of effect of changes in foreign exchange rates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesTable" xlink:href="meso-20260630.xsd#meso_DisclosureOfEffectOfChangesInForeignExchangeRatesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesTable" xlink:to="lab_meso_DisclosureOfEffectOfChangesInForeignExchangeRatesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_019f3528-b025-7d2a-ae5e-796c7008143b_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">From continuing operations</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) from continuing operations attributable to ordinary equity holders of parent entity, used in calculating basic earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:to="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromExerciseOfOptions_019f3528-b026-7224-b054-e225208c8e17_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from exercise of options</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromExerciseOfOptions_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from exercise of options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromExerciseOfOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromExerciseOfOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromExerciseOfOptions" xlink:to="lab_ifrs-full_ProceedsFromExerciseOfOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_EquityReserveAtFairValue_019f3528-b0c3-715c-a879-e0539f83802d_terseLabel_en-US" xlink:label="lab_meso_EquityReserveAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Movements during the period</link:label>
    <link:label id="lab_meso_EquityReserveAtFairValue_label_en-US" xlink:label="lab_meso_EquityReserveAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Reserve At Fair Value</link:label>
    <link:label id="lab_meso_EquityReserveAtFairValue_documentation_en-US" xlink:label="lab_meso_EquityReserveAtFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity reserve at fair value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_EquityReserveAtFairValue" xlink:href="meso-20260630.xsd#meso_EquityReserveAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_EquityReserveAtFairValue" xlink:to="lab_meso_EquityReserveAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ExpectedDividendAsAPercentageContingentConsiderationValuation_01a0360c-91f0-7b72-9510-fc00a768b832_terseLabel_en-US" xlink:label="lab_meso_ExpectedDividendAsAPercentageContingentConsiderationValuation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend Yield</link:label>
    <link:label id="lab_meso_ExpectedDividendAsAPercentageContingentConsiderationValuation_label_en-US" xlink:label="lab_meso_ExpectedDividendAsAPercentageContingentConsiderationValuation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Dividend As A Percentage, Contingent Consideration Valuation</link:label>
    <link:label id="lab_meso_ExpectedDividendAsAPercentageContingentConsiderationValuation_documentation_en-US" xlink:label="lab_meso_ExpectedDividendAsAPercentageContingentConsiderationValuation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Dividend As A Percentage, Contingent Consideration Valuation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpectedDividendAsAPercentageContingentConsiderationValuation" xlink:href="meso-20260630.xsd#meso_ExpectedDividendAsAPercentageContingentConsiderationValuation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpectedDividendAsAPercentageContingentConsiderationValuation" xlink:to="lab_meso_ExpectedDividendAsAPercentageContingentConsiderationValuation" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfSummaryOfParentEntityFinancialInformationExplanatoryTableTextBlock_019f3528-b14c-72ca-b888-1e8708a6557c_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfParentEntityFinancialInformationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary Of Parent Entity Financial Information Explanatory</link:label>
    <link:label id="lab_meso_DisclosureOfSummaryOfParentEntityFinancialInformationExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfParentEntityFinancialInformationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Summary Of Parent Entity Financial Information Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfSummaryOfParentEntityFinancialInformationExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfSummaryOfParentEntityFinancialInformationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of parent entity financial information.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSummaryOfParentEntityFinancialInformationExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfSummaryOfParentEntityFinancialInformationExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfSummaryOfParentEntityFinancialInformationExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfSummaryOfParentEntityFinancialInformationExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_019f3528-af4f-7c5e-8a24-67e9ac69c875_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_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_019f3528-b14c-7597-8d77-38cbd1685771_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">Assets at FVOCI</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_meso_PrepaidInsuranceAndSubscriptions_019f3528-b0c3-7abb-b0b5-7c38397d34cf_terseLabel_en-US" xlink:label="lab_meso_PrepaidInsuranceAndSubscriptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepaid insurance and subscriptions</link:label>
    <link:label id="lab_meso_PrepaidInsuranceAndSubscriptions_label_en-US" xlink:label="lab_meso_PrepaidInsuranceAndSubscriptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepaid Insurance And Subscriptions</link:label>
    <link:label id="lab_meso_PrepaidInsuranceAndSubscriptions_documentation_en-US" xlink:label="lab_meso_PrepaidInsuranceAndSubscriptions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Prepaid insurance and subscriptions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PrepaidInsuranceAndSubscriptions" xlink:href="meso-20260630.xsd#meso_PrepaidInsuranceAndSubscriptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PrepaidInsuranceAndSubscriptions" xlink:to="lab_meso_PrepaidInsuranceAndSubscriptions" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_019f3528-af4f-79dd-ba16-9261dd164ce9_terseLabel_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_label_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_IcfrAuditorAttestationFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_IcfrAuditorAttestationFlag" xlink:to="lab_dei_IcfrAuditorAttestationFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract_019f3528-b0c3-7562-8d5a-88da9097343d_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" 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_ClassesOfEmployeeBenefitsExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of employee benefits expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfDeferredConsiderationExplanatoryTableTextBlock_019f3528-b025-7b67-8dc1-2fa420af9e01_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfDeferredConsiderationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Consideration</link:label>
    <link:label id="lab_meso_DisclosureOfDeferredConsiderationExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfDeferredConsiderationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Deferred Consideration Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfDeferredConsiderationExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfDeferredConsiderationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of deferred consideration explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfDeferredConsiderationExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfDeferredConsiderationExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfDeferredConsiderationExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfDeferredConsiderationExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_Series109Member_01a021fc-4e30-77c7-a4c6-e7d8dc8808e9_terseLabel_en-US" xlink:label="lab_meso_Series109Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">109</link:label>
    <link:label id="lab_meso_Series109Member_label_en-US" xlink:label="lab_meso_Series109Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 109 [Member]</link:label>
    <link:label id="lab_meso_Series109Member_documentation_en-US" xlink:label="lab_meso_Series109Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 109</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series109Member" xlink:href="meso-20260630.xsd#meso_Series109Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series109Member" xlink:to="lab_meso_Series109Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_019f3528-b0c3-7560-a88a-7ecf6b4aa39d_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"/>
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    <link:label id="lab_ifrs-full_ParentMember_019f3528-b026-7b1f-9691-723ba4644c12_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">Parent</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_ifrs-full_ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember_019f3528-b14c-73ad-a5df-e5fd2be149e0_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">Investment revaluation reserve</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_CashOutflowForLeases_019f3528-b0c3-78a7-a185-b7646440d619_terseLabel_en-US" xlink:label="lab_ifrs-full_CashOutflowForLeases" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments associated with lease liabilities</link:label>
    <link:label id="lab_ifrs-full_CashOutflowForLeases_label_en-US" xlink:label="lab_ifrs-full_CashOutflowForLeases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash outflow for leases</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashOutflowForLeases" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashOutflowForLeases"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashOutflowForLeases" xlink:to="lab_ifrs-full_CashOutflowForLeases" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SharesHeldInTrustValue_019f3528-b026-7004-9e88-da1f642e0023_periodStartLabel_en-US" xlink:label="lab_meso_SharesHeldInTrustValue" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance</link:label>
    <link:label id="lab_meso_SharesHeldInTrustValue_019f3528-b026-739c-ab29-0789b2fe4a55_periodEndLabel_en-US" xlink:label="lab_meso_SharesHeldInTrustValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_meso_SharesHeldInTrustValue_label_en-US" xlink:label="lab_meso_SharesHeldInTrustValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Held In Trust Value</link:label>
    <link:label id="lab_meso_SharesHeldInTrustValue_documentation_en-US" xlink:label="lab_meso_SharesHeldInTrustValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares held in trust, value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SharesHeldInTrustValue" xlink:href="meso-20260630.xsd#meso_SharesHeldInTrustValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SharesHeldInTrustValue" xlink:to="lab_meso_SharesHeldInTrustValue" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorFirmId_019f3528-af4f-78b0-a9a4-7c5a7fc9e528_terseLabel_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:label id="lab_dei_AuditorFirmId_label_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorFirmId" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorFirmId"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorFirmId" xlink:to="lab_dei_AuditorFirmId" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_019f3528-b0c3-774f-a64b-9aa68338dd66_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Post-employment benefits</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, post-employment benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfTranchesOfSharePlanGranted_019f3528-b0c3-76cd-baab-4f07695dc313_terseLabel_en-US" xlink:label="lab_meso_NumberOfTranchesOfSharePlanGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of tranches</link:label>
    <link:label id="lab_meso_NumberOfTranchesOfSharePlanGranted_label_en-US" xlink:label="lab_meso_NumberOfTranchesOfSharePlanGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Tranches Of Share Plan Granted</link:label>
    <link:label id="lab_meso_NumberOfTranchesOfSharePlanGranted_documentation_en-US" xlink:label="lab_meso_NumberOfTranchesOfSharePlanGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of tranches of share plan granted.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfTranchesOfSharePlanGranted" xlink:href="meso-20260630.xsd#meso_NumberOfTranchesOfSharePlanGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfTranchesOfSharePlanGranted" xlink:to="lab_meso_NumberOfTranchesOfSharePlanGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_EffectOfForeignExchangeAdjustmentsOnLiabilitiesArisingFromFinancingActivitiesAndCashAndCashEquivalents_019f3528-b14c-755e-84e9-fbc14a15a050_verboseLabel_en-US" xlink:label="lab_meso_EffectOfForeignExchangeAdjustmentsOnLiabilitiesArisingFromFinancingActivitiesAndCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange adjustments, total</link:label>
    <link:label id="lab_meso_EffectOfForeignExchangeAdjustmentsOnLiabilitiesArisingFromFinancingActivitiesAndCashAndCashEquivalents_label_en-US" xlink:label="lab_meso_EffectOfForeignExchangeAdjustmentsOnLiabilitiesArisingFromFinancingActivitiesAndCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect Of Foreign Exchange Adjustments On Liabilities Arising From Financing Activities And Cash And Cash Equivalents</link:label>
    <link:label id="lab_meso_EffectOfForeignExchangeAdjustmentsOnLiabilitiesArisingFromFinancingActivitiesAndCashAndCashEquivalents_documentation_en-US" xlink:label="lab_meso_EffectOfForeignExchangeAdjustmentsOnLiabilitiesArisingFromFinancingActivitiesAndCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Effect of foreign exchange adjustments on liabilities arising from financing activities and cash and cash equivalents.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_EffectOfForeignExchangeAdjustmentsOnLiabilitiesArisingFromFinancingActivitiesAndCashAndCashEquivalents" xlink:href="meso-20260630.xsd#meso_EffectOfForeignExchangeAdjustmentsOnLiabilitiesArisingFromFinancingActivitiesAndCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_EffectOfForeignExchangeAdjustmentsOnLiabilitiesArisingFromFinancingActivitiesAndCashAndCashEquivalents" xlink:to="lab_meso_EffectOfForeignExchangeAdjustmentsOnLiabilitiesArisingFromFinancingActivitiesAndCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_019fd20b-1d74-7443-a60c-dcc6e23223a0_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">Summary of Gross Product Sales to Net Product Sales</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_meso_DisclosureOfSensitivityAnalysisEffectOfIncreaseDecreaseInSharePriceTableTextBlock_019f3528-b0c3-78f8-b4a3-dca3d42da31d_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfSensitivityAnalysisEffectOfIncreaseDecreaseInSharePriceTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Increase/Decrease of Share Price</link:label>
    <link:label id="lab_meso_DisclosureOfSensitivityAnalysisEffectOfIncreaseDecreaseInSharePriceTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfSensitivityAnalysisEffectOfIncreaseDecreaseInSharePriceTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of sensitivity analysis effect of increase (decrease) in share price [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfSensitivityAnalysisEffectOfIncreaseDecreaseInSharePriceTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfSensitivityAnalysisEffectOfIncreaseDecreaseInSharePriceTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of sensitivity analysis effect of increase (decrease) in share price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfSensitivityAnalysisEffectOfIncreaseDecreaseInSharePriceTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfSensitivityAnalysisEffectOfIncreaseDecreaseInSharePriceTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfSensitivityAnalysisEffectOfIncreaseDecreaseInSharePriceTableTextBlock" xlink:to="lab_meso_DisclosureOfSensitivityAnalysisEffectOfIncreaseDecreaseInSharePriceTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_019f3528-b0c3-7214-b84a-a32581f443bf_totalLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total comprehensive losses attributable to the owners of Mesoblast Limited</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_meso_CreditLineFacilityMember_019f5a44-a335-7a4b-a729-7b0b6378112a_terseLabel_en-US" xlink:label="lab_meso_CreditLineFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings - Credit-line facility</link:label>
    <link:label id="lab_meso_CreditLineFacilityMember_label_en-US" xlink:label="lab_meso_CreditLineFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit-Line Facility [Member]</link:label>
    <link:label id="lab_meso_CreditLineFacilityMember_documentation_en-US" xlink:label="lab_meso_CreditLineFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit-Line Facility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CreditLineFacilityMember" xlink:href="meso-20260630.xsd#meso_CreditLineFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CreditLineFacilityMember" xlink:to="lab_meso_CreditLineFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfReconciliationOfReservesExplanatoryTableTextBlock_019f3528-b14c-7ea2-aaa3-75d8ad17bc18_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfReservesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Reconciliation of Reserves</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfReservesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfReservesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Reserves Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfReservesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfReservesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of reconciliation of reserves.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfReconciliationOfReservesExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfReconciliationOfReservesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfReconciliationOfReservesExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfReconciliationOfReservesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Liabilities_019f3528-af4f-76cd-a6c1-cc27bbdbd87f_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_019f3528-af4f-76a0-a858-d1124d799b3a_terseLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" 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_currency_AUD_019f3528-b025-77da-9f7b-d58b0b59b2ac_terseLabel_en-US" xlink:label="lab_currency_AUD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AUD</link:label>
    <link:label id="lab_currency_AUD_label_en-US" xlink:label="lab_currency_AUD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Australia, Dollars</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AUD" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_AUD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_AUD" xlink:to="lab_currency_AUD" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ReconciliationOfShareCapitalNumberOfSharesAbstract_019f3528-b14c-79e2-ba16-41d296b51a47_terseLabel_en-US" xlink:label="lab_meso_ReconciliationOfShareCapitalNumberOfSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares No.</link:label>
    <link:label id="lab_meso_ReconciliationOfShareCapitalNumberOfSharesAbstract_label_en-US" xlink:label="lab_meso_ReconciliationOfShareCapitalNumberOfSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation Of Share Capital, Number of Shares [Abstract]</link:label>
    <link:label id="lab_meso_ReconciliationOfShareCapitalNumberOfSharesAbstract_documentation_en-US" xlink:label="lab_meso_ReconciliationOfShareCapitalNumberOfSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reconciliation Of Share Capital, Number of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ReconciliationOfShareCapitalNumberOfSharesAbstract" xlink:href="meso-20260630.xsd#meso_ReconciliationOfShareCapitalNumberOfSharesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ReconciliationOfShareCapitalNumberOfSharesAbstract" xlink:to="lab_meso_ReconciliationOfShareCapitalNumberOfSharesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortyFiveMember_019f3528-b0c3-7a09-8ec8-06736a9aec47_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyFiveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">45</link:label>
    <link:label id="lab_meso_SeriesFortyFiveMember_label_en-US" xlink:label="lab_meso_SeriesFortyFiveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Five [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyFiveMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyFiveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 55.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyFiveMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyFiveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyFiveMember" xlink:to="lab_meso_SeriesFortyFiveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfAuditorsRemunerationLineItems_019f3528-b14c-754c-b44e-982d806d9df3_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfAuditorsRemunerationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Auditors Remuneration [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfAuditorsRemunerationLineItems_label_en-US" xlink:label="lab_meso_DisclosureOfAuditorsRemunerationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Auditors Remuneration [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfAuditorsRemunerationLineItems_documentation_en-US" xlink:label="lab_meso_DisclosureOfAuditorsRemunerationLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of auditors remuneration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfAuditorsRemunerationLineItems" xlink:href="meso-20260630.xsd#meso_DisclosureOfAuditorsRemunerationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfAuditorsRemunerationLineItems" xlink:to="lab_meso_DisclosureOfAuditorsRemunerationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyOneMember_019f3528-b026-7035-b44c-d02dd588f8a2_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">71</link:label>
    <link:label id="lab_meso_SeriesSeventyOneMember_label_en-US" xlink:label="lab_meso_SeriesSeventyOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy One [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyOneMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 71.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyOneMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyOneMember" xlink:to="lab_meso_SeriesSeventyOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OfficeEquipmentMember_019f3528-b0c3-7033-a7d9-6a53fe6a6579_terseLabel_en-US" xlink:label="lab_ifrs-full_OfficeEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Office Furniture and Equipment</link:label>
    <link:label id="lab_ifrs-full_OfficeEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_OfficeEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office equipment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OfficeEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OfficeEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OfficeEquipmentMember" xlink:to="lab_ifrs-full_OfficeEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_019f3528-b0c3-79a4-8e34-3f82dd114c3a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Significant Investments In Subsidiaries [Table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities_019f3528-b0c3-7ee8-a8a1-c6f87139fe8d_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maturity Profile of Anticipated Future Contractual Cash Flows Borrowings and Carrying Value</link:label>
    <link:label id="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndNineMember_019fd8af-cdd3-73b8-adc1-065895ddc5ef_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndNineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">109</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndNineMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndNineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Nine [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndNineMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndNineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Nine</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndNineMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndNineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndNineMember" xlink:to="lab_meso_SeriesOneHundredAndNineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfParentEntityFinancialInformationAbstract_019f3528-af4f-725f-a4ec-a1d8b60b92ad_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfParentEntityFinancialInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Parent Entity Financial Information [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfParentEntityFinancialInformationAbstract_label_en-US" xlink:label="lab_meso_DisclosureOfParentEntityFinancialInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Parent Entity Financial Information [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfParentEntityFinancialInformationAbstract_documentation_en-US" xlink:label="lab_meso_DisclosureOfParentEntityFinancialInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Parent entity financial information.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfParentEntityFinancialInformationAbstract" xlink:href="meso-20260630.xsd#meso_DisclosureOfParentEntityFinancialInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfParentEntityFinancialInformationAbstract" xlink:to="lab_meso_DisclosureOfParentEntityFinancialInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_TitleOfIndividualAxis_019f3528-b0c3-7e8f-b8bb-d2b038ed1cd1_terseLabel_en-US" xlink:label="lab_srt_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title and Position [Axis]</link:label>
    <link:label id="lab_srt_TitleOfIndividualAxis_label_en-US" xlink:label="lab_srt_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title and Position [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_TitleOfIndividualAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_TitleOfIndividualAxis" xlink:to="lab_srt_TitleOfIndividualAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncomeTaxBenefitExpenseNotRecognized_019f3528-b0c3-7013-97e9-4ebfd131e2a3_terseLabel_en-US" xlink:label="lab_meso_IncomeTaxBenefitExpenseNotRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax benefit/(expense) not recognized</link:label>
    <link:label id="lab_meso_IncomeTaxBenefitExpenseNotRecognized_label_en-US" xlink:label="lab_meso_IncomeTaxBenefitExpenseNotRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Benefit (Expense) Not Recognized</link:label>
    <link:label id="lab_meso_IncomeTaxBenefitExpenseNotRecognized_documentation_en-US" xlink:label="lab_meso_IncomeTaxBenefitExpenseNotRecognized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax benefit not recognized.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncomeTaxBenefitExpenseNotRecognized" xlink:href="meso-20260630.xsd#meso_IncomeTaxBenefitExpenseNotRecognized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncomeTaxBenefitExpenseNotRecognized" xlink:to="lab_meso_IncomeTaxBenefitExpenseNotRecognized" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsValue_019f3528-af4f-77ee-ad20-088923506667_terseLabel_en-US" xlink:label="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share options reserve transferred to equity on exercise of options</link:label>
    <link:label id="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsValue_label_en-US" xlink:label="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Options Reserve Transferred To Equity On Exercise Of Options Value</link:label>
    <link:label id="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsValue_documentation_en-US" xlink:label="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share options reserve transferred to equity on exercise of options value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsValue" xlink:href="meso-20260630.xsd#meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsValue" xlink:to="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsValue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OsirisMSCTwoThousandThirteenMember_019f3528-b026-717d-aa2e-39eaf635c10e_terseLabel_en-US" xlink:label="lab_meso_OsirisMSCTwoThousandThirteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Osiris MSC in 2013</link:label>
    <link:label id="lab_meso_OsirisMSCTwoThousandThirteenMember_label_en-US" xlink:label="lab_meso_OsirisMSCTwoThousandThirteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Osiris M S C Two Thousand Thirteen [Member]</link:label>
    <link:label id="lab_meso_OsirisMSCTwoThousandThirteenMember_documentation_en-US" xlink:label="lab_meso_OsirisMSCTwoThousandThirteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Osiris MSC two thousand thirteen.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OsirisMSCTwoThousandThirteenMember" xlink:href="meso-20260630.xsd#meso_OsirisMSCTwoThousandThirteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OsirisMSCTwoThousandThirteenMember" xlink:to="lab_meso_OsirisMSCTwoThousandThirteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_019f3528-b0c3-733a-b124-e15be409dd68_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ReceivablesFromForeignWithholdingTax_019f3528-b026-7400-90e1-6139698f80e4_terseLabel_en-US" xlink:label="lab_meso_ReceivablesFromForeignWithholdingTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivable from Governments (Foreign Withholding Tax)</link:label>
    <link:label id="lab_meso_ReceivablesFromForeignWithholdingTax_label_en-US" xlink:label="lab_meso_ReceivablesFromForeignWithholdingTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables From Foreign Withholding Tax</link:label>
    <link:label id="lab_meso_ReceivablesFromForeignWithholdingTax_documentation_en-US" xlink:label="lab_meso_ReceivablesFromForeignWithholdingTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Receivable from foreign withholding tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ReceivablesFromForeignWithholdingTax" xlink:href="meso-20260630.xsd#meso_ReceivablesFromForeignWithholdingTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ReceivablesFromForeignWithholdingTax" xlink:to="lab_meso_ReceivablesFromForeignWithholdingTax" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TotalGrossToNetAdjustmentsMember_019fd25a-41d5-7e9e-8664-1130aa5e1b6e_terseLabel_en-US" xlink:label="lab_meso_TotalGrossToNetAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total gross to net adjustments</link:label>
    <link:label id="lab_meso_TotalGrossToNetAdjustmentsMember_label_en-US" xlink:label="lab_meso_TotalGrossToNetAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Gross-To-Net Adjustments [Member]</link:label>
    <link:label id="lab_meso_TotalGrossToNetAdjustmentsMember_documentation_en-US" xlink:label="lab_meso_TotalGrossToNetAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Gross-To-Net Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TotalGrossToNetAdjustmentsMember" xlink:href="meso-20260630.xsd#meso_TotalGrossToNetAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TotalGrossToNetAdjustmentsMember" xlink:to="lab_meso_TotalGrossToNetAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TrancheThreeMember_019f3528-b025-7810-a219-f4136543732e_terseLabel_en-US" xlink:label="lab_meso_TrancheThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche three</link:label>
    <link:label id="lab_meso_TrancheThreeMember_label_en-US" xlink:label="lab_meso_TrancheThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche Three [Member]</link:label>
    <link:label id="lab_meso_TrancheThreeMember_documentation_en-US" xlink:label="lab_meso_TrancheThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche three.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TrancheThreeMember" xlink:href="meso-20260630.xsd#meso_TrancheThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TrancheThreeMember" xlink:to="lab_meso_TrancheThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_019f3528-b0c3-78ac-84d3-4b36b9351ec8_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_meso_SeriesEightySevenMember_019f3528-b0c3-707e-841b-67ed4e838af2_terseLabel_en-US" xlink:label="lab_meso_SeriesEightySevenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">87</link:label>
    <link:label id="lab_meso_SeriesEightySevenMember_label_en-US" xlink:label="lab_meso_SeriesEightySevenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty Seven [Member]</link:label>
    <link:label id="lab_meso_SeriesEightySevenMember_documentation_en-US" xlink:label="lab_meso_SeriesEightySevenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty Seven</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightySevenMember" xlink:href="meso-20260630.xsd#meso_SeriesEightySevenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightySevenMember" xlink:to="lab_meso_SeriesEightySevenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019_019f3528-b025-7ec0-9faa-5f52c2f7c596_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average share purchase price, Lapsed/Forfeited No. (during the year) (in AUD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of share options forfeited in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ManufacturingExcludingDepreciationOnCapitalizedInventoryMember_01a0217b-b118-7e6a-acce-e761e4382807_terseLabel_en-US" xlink:label="lab_meso_ManufacturingExcludingDepreciationOnCapitalizedInventoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Manufacturing, excluding capitalised to inventory</link:label>
    <link:label id="lab_meso_ManufacturingExcludingDepreciationOnCapitalizedInventoryMember_label_en-US" xlink:label="lab_meso_ManufacturingExcludingDepreciationOnCapitalizedInventoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturing, Excluding Depreciation On Capitalized Inventory [Member]</link:label>
    <link:label id="lab_meso_ManufacturingExcludingDepreciationOnCapitalizedInventoryMember_documentation_en-US" xlink:label="lab_meso_ManufacturingExcludingDepreciationOnCapitalizedInventoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Manufacturing, Excluding Depreciation On Capitalized Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ManufacturingExcludingDepreciationOnCapitalizedInventoryMember" xlink:href="meso-20260630.xsd#meso_ManufacturingExcludingDepreciationOnCapitalizedInventoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ManufacturingExcludingDepreciationOnCapitalizedInventoryMember" xlink:to="lab_meso_ManufacturingExcludingDepreciationOnCapitalizedInventoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForFinanceIncomeCost_019f3528-b026-736b-ba3f-3abc90f26687_negatedLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForFinanceIncomeCost" 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_AdjustmentsForFinanceIncomeCost_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for finance income (cost)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForFinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:to="lab_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutFairValueMeasurementExplanatoryTableTextBlock_019f3528-b026-70cf-8ff7-febde1ac1509_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutFairValueMeasurementExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Financial Assets and Liabilities Measured and Recognized at Fair Value</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutFairValueMeasurementExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutFairValueMeasurementExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Fair Value Measurement Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutFairValueMeasurementExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutFairValueMeasurementExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about fair value measurement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfDetailedInformationAboutFairValueMeasurementExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfDetailedInformationAboutFairValueMeasurementExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfDetailedInformationAboutFairValueMeasurementExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfDetailedInformationAboutFairValueMeasurementExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventySevenMember_019f3528-b14c-7782-b349-3e046e2ffea0_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventySevenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">77</link:label>
    <link:label id="lab_meso_SeriesSeventySevenMember_label_en-US" xlink:label="lab_meso_SeriesSeventySevenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Seven [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventySevenMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventySevenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Seventy Seven</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventySevenMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventySevenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventySevenMember" xlink:to="lab_meso_SeriesSeventySevenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_019f3528-b026-72e6-8423-778162f96670_totalLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Financial Liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_019f3528-b026-7412-b9bc-1465332572fe_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">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_meso_PaymentAssumptionsMeasurementInputMember_019f3528-b0c3-7f11-8e4d-ef8768085a85_terseLabel_en-US" xlink:label="lab_meso_PaymentAssumptionsMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payment assumptions measurement input</link:label>
    <link:label id="lab_meso_PaymentAssumptionsMeasurementInputMember_label_en-US" xlink:label="lab_meso_PaymentAssumptionsMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment Assumptions Measurement Input [Member]</link:label>
    <link:label id="lab_meso_PaymentAssumptionsMeasurementInputMember_documentation_en-US" xlink:label="lab_meso_PaymentAssumptionsMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payment Assumptions Measurement Input</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PaymentAssumptionsMeasurementInputMember" xlink:href="meso-20260630.xsd#meso_PaymentAssumptionsMeasurementInputMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PaymentAssumptionsMeasurementInputMember" xlink:to="lab_meso_PaymentAssumptionsMeasurementInputMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_019f3528-af4f-7792-8259-c9964b394dbe_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</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_LaterThanOneYearAndNotLaterThanFiveYearsMember_019f3528-b0c3-7f08-a395-8e3116373207_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 2-5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year and not later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain_019f3528-b026-7226-9578-bf48e0f5259a_terseLabel_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement</link:label>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain_label_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:to="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TrancheSevenMember_01a037d8-bdd8-7fa0-9d58-b30cc179e07d_terseLabel_en-US" xlink:label="lab_meso_TrancheSevenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche seven</link:label>
    <link:label id="lab_meso_TrancheSevenMember_label_en-US" xlink:label="lab_meso_TrancheSevenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche Seven [Member]</link:label>
    <link:label id="lab_meso_TrancheSevenMember_documentation_en-US" xlink:label="lab_meso_TrancheSevenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche Seven</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TrancheSevenMember" xlink:href="meso-20260630.xsd#meso_TrancheSevenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TrancheSevenMember" xlink:to="lab_meso_TrancheSevenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_019f3528-b0c3-7c9b-81f0-fcd1b1d8d02b_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">Schedule of Balances Held at the End of Year with an Analysis which Assesses Impact on Profit and Loss Due to Change in Exchange Rate</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_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsShares_019f3528-af4f-77ec-9c59-e3834d1ca7dd_terseLabel_en-US" xlink:label="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share options reserve transferred to equity on exercise of options (in shares)</link:label>
    <link:label id="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsShares_label_en-US" xlink:label="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Options Reserve Transferred To Equity On Exercise Of Options, Shares</link:label>
    <link:label id="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsShares_documentation_en-US" xlink:label="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Options Reserve Transferred To Equity On Exercise Of Options, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsShares" xlink:href="meso-20260630.xsd#meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsShares" xlink:to="lab_meso_ShareOptionsReserveTransferredToEquityOnExerciseOfOptionsShares" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ShareBasedCompensationForContingentConsiderationValue_019f3528-b026-7feb-bed5-f00f5f6656eb_terseLabel_en-US" xlink:label="lab_meso_ShareBasedCompensationForContingentConsiderationValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share based compensation for contingent consideration</link:label>
    <link:label id="lab_meso_ShareBasedCompensationForContingentConsiderationValue_label_en-US" xlink:label="lab_meso_ShareBasedCompensationForContingentConsiderationValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation For Contingent Consideration, Value</link:label>
    <link:label id="lab_meso_ShareBasedCompensationForContingentConsiderationValue_documentation_en-US" xlink:label="lab_meso_ShareBasedCompensationForContingentConsiderationValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share based compensation for services rendered.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ShareBasedCompensationForContingentConsiderationValue" xlink:href="meso-20260630.xsd#meso_ShareBasedCompensationForContingentConsiderationValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ShareBasedCompensationForContingentConsiderationValue" xlink:to="lab_meso_ShareBasedCompensationForContingentConsiderationValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TopOfRangeMember_019f3528-b0c3-74f8-a1bf-3f687679799f_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_019f3528-b0c3-76d8-88ed-4014005e65ed_verboseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">High</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_meso_NumberOfWarrantsGrantedToPurchaseAmericanDepositaryShares_019f3528-b026-71d5-b1f5-5bf30e22d7fa_terseLabel_en-US" xlink:label="lab_meso_NumberOfWarrantsGrantedToPurchaseAmericanDepositaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares warrants granted to purchase (in shares)</link:label>
    <link:label id="lab_meso_NumberOfWarrantsGrantedToPurchaseAmericanDepositaryShares_label_en-US" xlink:label="lab_meso_NumberOfWarrantsGrantedToPurchaseAmericanDepositaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Warrants Granted To Purchase American Depositary Shares</link:label>
    <link:label id="lab_meso_NumberOfWarrantsGrantedToPurchaseAmericanDepositaryShares_documentation_en-US" xlink:label="lab_meso_NumberOfWarrantsGrantedToPurchaseAmericanDepositaryShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of warrants granted to purchase American Depositary Shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfWarrantsGrantedToPurchaseAmericanDepositaryShares" xlink:href="meso-20260630.xsd#meso_NumberOfWarrantsGrantedToPurchaseAmericanDepositaryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfWarrantsGrantedToPurchaseAmericanDepositaryShares" xlink:to="lab_meso_NumberOfWarrantsGrantedToPurchaseAmericanDepositaryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TaxEffectOfShareBasedCompensationExpense_019f3528-b14c-7d9f-802c-8dfa70fb8d15_terseLabel_en-US" xlink:label="lab_meso_TaxEffectOfShareBasedCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments expense</link:label>
    <link:label id="lab_meso_TaxEffectOfShareBasedCompensationExpense_label_en-US" xlink:label="lab_meso_TaxEffectOfShareBasedCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Share-Based Compensation Expense</link:label>
    <link:label id="lab_meso_TaxEffectOfShareBasedCompensationExpense_documentation_en-US" xlink:label="lab_meso_TaxEffectOfShareBasedCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share based compensation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TaxEffectOfShareBasedCompensationExpense" xlink:href="meso-20260630.xsd#meso_TaxEffectOfShareBasedCompensationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TaxEffectOfShareBasedCompensationExpense" xlink:to="lab_meso_TaxEffectOfShareBasedCompensationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountAbstract_019f3528-b026-7f29-a4e5-2355a65c0139_terseLabel_en-US" xlink:label="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts that would be recognized directly in equity if brought to account</link:label>
    <link:label id="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountAbstract_label_en-US" xlink:label="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current And Deferred Tax Relating To Items Charged Or Credited Amounts That Would Be Recognized Directly In Equity If Brought To Account [Abstract]</link:label>
    <link:label id="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountAbstract_documentation_en-US" xlink:label="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current and deferred tax relating to items charged or credited amounts that would be recognized directly in equity if brought to account.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountAbstract" xlink:href="meso-20260630.xsd#meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountAbstract" xlink:to="lab_meso_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccountAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TaxEffectOfResearchAndDevelopmentTaxConcessions_019f3528-b0c3-7cf9-8049-bb2a9e9f4f42_terseLabel_en-US" xlink:label="lab_meso_TaxEffectOfResearchAndDevelopmentTaxConcessions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Research and development tax concessions</link:label>
    <link:label id="lab_meso_TaxEffectOfResearchAndDevelopmentTaxConcessions_label_en-US" xlink:label="lab_meso_TaxEffectOfResearchAndDevelopmentTaxConcessions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Research And Development Tax Concessions</link:label>
    <link:label id="lab_meso_TaxEffectOfResearchAndDevelopmentTaxConcessions_documentation_en-US" xlink:label="lab_meso_TaxEffectOfResearchAndDevelopmentTaxConcessions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Research and development tax concessions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TaxEffectOfResearchAndDevelopmentTaxConcessions" xlink:href="meso-20260630.xsd#meso_TaxEffectOfResearchAndDevelopmentTaxConcessions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TaxEffectOfResearchAndDevelopmentTaxConcessions" xlink:to="lab_meso_TaxEffectOfResearchAndDevelopmentTaxConcessions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_019f3528-b0c3-746f-981b-58929c190bb0_negatedLabel_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Research &amp; development</link:label>
    <link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_label_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Research and development expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ResearchAndDevelopmentExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:to="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageSharePrice2019_019f3528-b14c-7d66-b49f-3de5dc7f5fe2_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePrice2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Price (in AUD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageSharePrice2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePrice2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average share price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageSharePrice2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageSharePrice2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageSharePrice2019" xlink:to="lab_ifrs-full_WeightedAverageSharePrice2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_019f3528-b026-79d0-b759-c85b1df2ab8e_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 non-current 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_meso_ShareIssuedLockUpPeriod_019fae69-1943-7232-a7ec-65883273c7d6_verboseLabel_en-US" xlink:label="lab_meso_ShareIssuedLockUpPeriod" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Expected term</link:label>
    <link:label id="lab_meso_ShareIssuedLockUpPeriod_019f3528-af4f-749a-8fd2-99cfaba86173_terseLabel_en-US" xlink:label="lab_meso_ShareIssuedLockUpPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Term</link:label>
    <link:label id="lab_meso_ShareIssuedLockUpPeriod_label_en-US" xlink:label="lab_meso_ShareIssuedLockUpPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Issued, Lock-up Period</link:label>
    <link:label id="lab_meso_ShareIssuedLockUpPeriod_documentation_en-US" xlink:label="lab_meso_ShareIssuedLockUpPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Issued, Lock-up Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ShareIssuedLockUpPeriod" xlink:href="meso-20260630.xsd#meso_ShareIssuedLockUpPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ShareIssuedLockUpPeriod" xlink:to="lab_meso_ShareIssuedLockUpPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxEffectOfTaxLosses_019f3528-af4f-7351-921d-169b6bf73c35_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectOfTaxLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effect of gross tax losses</link:label>
    <link:label id="lab_ifrs-full_TaxEffectOfTaxLosses_label_en-US" xlink:label="lab_ifrs-full_TaxEffectOfTaxLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect of tax losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectOfTaxLosses" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxEffectOfTaxLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfTaxLosses" xlink:to="lab_ifrs-full_TaxEffectOfTaxLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CurrentTaxAbstract_019f3528-af4f-7cf8-9b57-698c8603f0a7_terseLabel_en-US" xlink:label="lab_meso_CurrentTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax</link:label>
    <link:label id="lab_meso_CurrentTaxAbstract_label_en-US" xlink:label="lab_meso_CurrentTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Tax [Abstract]</link:label>
    <link:label id="lab_meso_CurrentTaxAbstract_documentation_en-US" xlink:label="lab_meso_CurrentTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CurrentTaxAbstract" xlink:href="meso-20260630.xsd#meso_CurrentTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CurrentTaxAbstract" xlink:to="lab_meso_CurrentTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BorrowingsMaturityTerm_019f5a44-a335-7c35-8488-3c2e5a029095_terseLabel_en-US" xlink:label="lab_meso_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_meso_BorrowingsMaturityTerm_label_en-US" xlink:label="lab_meso_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_meso_BorrowingsMaturityTerm_documentation_en-US" xlink:label="lab_meso_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings term.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BorrowingsMaturityTerm" xlink:href="meso-20260630.xsd#meso_BorrowingsMaturityTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BorrowingsMaturityTerm" xlink:to="lab_meso_BorrowingsMaturityTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortyMember_019f3528-b026-7839-807a-f4e616d4ce77_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">40</link:label>
    <link:label id="lab_meso_SeriesFortyMember_label_en-US" xlink:label="lab_meso_SeriesFortyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 40.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyMember" xlink:to="lab_meso_SeriesFortyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_019f3528-b026-7e84-aac1-8d5020cb0502_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_019f3528-b026-716f-8aec-e971dd9c9a44_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_meso_DeferredTaxAssetsAndLiabilitiesTable_019f3528-af4f-7819-9be9-04bc7c41be93_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets And Liabilities [Table]</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsAndLiabilitiesTable_label_en-US" xlink:label="lab_meso_DeferredTaxAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets And Liabilities [Table]</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsAndLiabilitiesTable_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule disclosing information related to deferred tax assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetsAndLiabilitiesTable" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetsAndLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetsAndLiabilitiesTable" xlink:to="lab_meso_DeferredTaxAssetsAndLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FairValuePerShare_019f3528-b026-7003-97f8-73bcc034631a_terseLabel_en-US" xlink:label="lab_meso_FairValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value per share (in USD per share)</link:label>
    <link:label id="lab_meso_FairValuePerShare_label_en-US" xlink:label="lab_meso_FairValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Per Share</link:label>
    <link:label id="lab_meso_FairValuePerShare_documentation_en-US" xlink:label="lab_meso_FairValuePerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FairValuePerShare" xlink:href="meso-20260630.xsd#meso_FairValuePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FairValuePerShare" xlink:to="lab_meso_FairValuePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfPremiumForVolumeWeightedAveragePrice_019f3528-af4f-71ae-867c-ec305ee91092_terseLabel_en-US" xlink:label="lab_meso_PercentageOfPremiumForVolumeWeightedAveragePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of premium for volume-weighted average price</link:label>
    <link:label id="lab_meso_PercentageOfPremiumForVolumeWeightedAveragePrice_label_en-US" xlink:label="lab_meso_PercentageOfPremiumForVolumeWeightedAveragePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Premium For Volume Weighted Average Price</link:label>
    <link:label id="lab_meso_PercentageOfPremiumForVolumeWeightedAveragePrice_documentation_en-US" xlink:label="lab_meso_PercentageOfPremiumForVolumeWeightedAveragePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of premium for volume-weighted average price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfPremiumForVolumeWeightedAveragePrice" xlink:href="meso-20260630.xsd#meso_PercentageOfPremiumForVolumeWeightedAveragePrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfPremiumForVolumeWeightedAveragePrice" xlink:to="lab_meso_PercentageOfPremiumForVolumeWeightedAveragePrice" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncomeStatementFunctionalExpenseCategoriesMember_019f3528-b026-740d-b913-2a488d1cc6b4_terseLabel_en-US" xlink:label="lab_meso_IncomeStatementFunctionalExpenseCategoriesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income statement functional expense categories</link:label>
    <link:label id="lab_meso_IncomeStatementFunctionalExpenseCategoriesMember_label_en-US" xlink:label="lab_meso_IncomeStatementFunctionalExpenseCategoriesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement Functional Expense Categories [Member]</link:label>
    <link:label id="lab_meso_IncomeStatementFunctionalExpenseCategoriesMember_documentation_en-US" xlink:label="lab_meso_IncomeStatementFunctionalExpenseCategoriesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income statement functional expense categories.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncomeStatementFunctionalExpenseCategoriesMember" xlink:href="meso-20260630.xsd#meso_IncomeStatementFunctionalExpenseCategoriesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncomeStatementFunctionalExpenseCategoriesMember" xlink:to="lab_meso_IncomeStatementFunctionalExpenseCategoriesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_019f3528-b026-7e00-8ab9-0d97e15cf96a_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_meso_Series110bMember_01a021fe-2085-7143-9b0e-c2b7238d5722_terseLabel_en-US" xlink:label="lab_meso_Series110bMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">110b</link:label>
    <link:label id="lab_meso_Series110bMember_label_en-US" xlink:label="lab_meso_Series110bMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 110b [Member]</link:label>
    <link:label id="lab_meso_Series110bMember_documentation_en-US" xlink:label="lab_meso_Series110bMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 110b</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series110bMember" xlink:href="meso-20260630.xsd#meso_Series110bMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series110bMember" xlink:to="lab_meso_Series110bMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndEighteenMember_019fd8b5-984f-7115-a6fb-c8be8d80c5f6_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndEighteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">118</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndEighteenMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndEighteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Eighteen [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndEighteenMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndEighteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Eighteen</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndEighteenMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndEighteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndEighteenMember" xlink:to="lab_meso_SeriesOneHundredAndEighteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_019ff681-91ba-7a7f-bfe7-4415270f102c_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 receivables</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_CurrencyRiskMember_019f3528-b026-7472-bc64-7e258b17e49b_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_meso_WarrantLiabilityWarrantsExcercised_019f3528-b0c3-7a13-a538-2616157ae0d9_negatedTerseLabel_en-US" xlink:label="lab_meso_WarrantLiabilityWarrantsExcercised" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Exercise of warrants</link:label>
    <link:label id="lab_meso_WarrantLiabilityWarrantsExcercised_label_en-US" xlink:label="lab_meso_WarrantLiabilityWarrantsExcercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrant Liability, Warrants Excercised</link:label>
    <link:label id="lab_meso_WarrantLiabilityWarrantsExcercised_documentation_en-US" xlink:label="lab_meso_WarrantLiabilityWarrantsExcercised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrant Liability, Warrants Excercised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WarrantLiabilityWarrantsExcercised" xlink:href="meso-20260630.xsd#meso_WarrantLiabilityWarrantsExcercised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_WarrantLiabilityWarrantsExcercised" xlink:to="lab_meso_WarrantLiabilityWarrantsExcercised" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract_019f3528-b026-78b4-86a8-0485136521df_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Intangible Assets [Table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetySevenMember_019f3528-b0c3-72b5-9423-7f3c75f491b1_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetySevenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">97</link:label>
    <link:label id="lab_meso_SeriesNinetySevenMember_label_en-US" xlink:label="lab_meso_SeriesNinetySevenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Seven [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetySevenMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetySevenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Seven</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetySevenMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetySevenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetySevenMember" xlink:to="lab_meso_SeriesNinetySevenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DepositsAtCall_019f3528-b0c3-7dc1-9283-d50844d9d8b5_terseLabel_en-US" xlink:label="lab_meso_DepositsAtCall" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits at call</link:label>
    <link:label id="lab_meso_DepositsAtCall_label_en-US" xlink:label="lab_meso_DepositsAtCall" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits At Call</link:label>
    <link:label id="lab_meso_DepositsAtCall_documentation_en-US" xlink:label="lab_meso_DepositsAtCall" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deposits at call.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DepositsAtCall" xlink:href="meso-20260630.xsd#meso_DepositsAtCall"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DepositsAtCall" xlink:to="lab_meso_DepositsAtCall" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RevenueRecognizedRelationToPatentLicenseAgreement_019f3528-b0c3-73f3-b5a3-74db43613718_terseLabel_en-US" xlink:label="lab_meso_RevenueRecognizedRelationToPatentLicenseAgreement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue recognized relation to patent license agreement</link:label>
    <link:label id="lab_meso_RevenueRecognizedRelationToPatentLicenseAgreement_label_en-US" xlink:label="lab_meso_RevenueRecognizedRelationToPatentLicenseAgreement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Recognized Relation To Patent License Agreement</link:label>
    <link:label id="lab_meso_RevenueRecognizedRelationToPatentLicenseAgreement_documentation_en-US" xlink:label="lab_meso_RevenueRecognizedRelationToPatentLicenseAgreement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue recognized relation to patent license agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RevenueRecognizedRelationToPatentLicenseAgreement" xlink:href="meso-20260630.xsd#meso_RevenueRecognizedRelationToPatentLicenseAgreement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RevenueRecognizedRelationToPatentLicenseAgreement" xlink:to="lab_meso_RevenueRecognizedRelationToPatentLicenseAgreement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_01a031af-c76c-74d3-9616-6515be799172_totalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total 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_meso_SeriesSeventyNineMember_019f3528-b0c3-7803-bb53-068d2d92e6f4_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyNineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">79</link:label>
    <link:label id="lab_meso_SeriesSeventyNineMember_label_en-US" xlink:label="lab_meso_SeriesSeventyNineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Nine [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyNineMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyNineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Seventy Nine</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyNineMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyNineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyNineMember" xlink:to="lab_meso_SeriesSeventyNineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TransactionCostsRelatedParties_01a036bf-c627-7537-a64f-70981601bb88_negatedTerseLabel_en-US" xlink:label="lab_meso_TransactionCostsRelatedParties" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Less: transaction costs</link:label>
    <link:label id="lab_meso_TransactionCostsRelatedParties_label_en-US" xlink:label="lab_meso_TransactionCostsRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transaction Costs, Related Parties</link:label>
    <link:label id="lab_meso_TransactionCostsRelatedParties_documentation_en-US" xlink:label="lab_meso_TransactionCostsRelatedParties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transaction Costs, Related Parties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TransactionCostsRelatedParties" xlink:href="meso-20260630.xsd#meso_TransactionCostsRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TransactionCostsRelatedParties" xlink:to="lab_meso_TransactionCostsRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetyNineMember_019f3528-b0c3-7dd3-a158-f9980582c0bd_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetyNineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">99</link:label>
    <link:label id="lab_meso_SeriesNinetyNineMember_label_en-US" xlink:label="lab_meso_SeriesNinetyNineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Nine [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetyNineMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetyNineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Nine</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetyNineMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetyNineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetyNineMember" xlink:to="lab_meso_SeriesNinetyNineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_EffectOnProfitFromChangeInInterestRateIncreaseOrDecrease_019f3528-b026-7095-ab44-b1eb5ab0f9c4_terseLabel_en-US" xlink:label="lab_meso_EffectOnProfitFromChangeInInterestRateIncreaseOrDecrease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect on profit from change in interest rate increase or decrease</link:label>
    <link:label id="lab_meso_EffectOnProfitFromChangeInInterestRateIncreaseOrDecrease_label_en-US" xlink:label="lab_meso_EffectOnProfitFromChangeInInterestRateIncreaseOrDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect On Profit From Change In Interest Rate Increase Or Decrease</link:label>
    <link:label id="lab_meso_EffectOnProfitFromChangeInInterestRateIncreaseOrDecrease_documentation_en-US" xlink:label="lab_meso_EffectOnProfitFromChangeInInterestRateIncreaseOrDecrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Effect on profit from change in interest rate increase or decrease.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_EffectOnProfitFromChangeInInterestRateIncreaseOrDecrease" xlink:href="meso-20260630.xsd#meso_EffectOnProfitFromChangeInInterestRateIncreaseOrDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_EffectOnProfitFromChangeInInterestRateIncreaseOrDecrease" xlink:to="lab_meso_EffectOnProfitFromChangeInInterestRateIncreaseOrDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_019f3528-b026-734b-92f9-0642d629aafc_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income taxes received/(paid)</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_019f3528-af4f-703b-8d06-b95c7d998949_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 (loss)/income</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_ifrs-full_ClassesOfLiabilitiesAxis_019f3528-af4f-7e6f-b46a-3f99e1041aff_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_ifrs-full_CounterpartiesDomain_019f3528-b0c3-7b16-b63a-c4219ff90477_terseLabel_en-US" xlink:label="lab_ifrs-full_CounterpartiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Counterparties [domain]</link:label>
    <link:label id="lab_ifrs-full_CounterpartiesDomain_label_en-US" xlink:label="lab_ifrs-full_CounterpartiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Counterparties [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CounterpartiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CounterpartiesDomain" xlink:to="lab_ifrs-full_CounterpartiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfNonFinancialAssetsAndLiabilitiesAbstract_019f3528-af4f-72b0-9e10-fedd70e41e0e_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfNonFinancialAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Non Financial Assets And Liabilities [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfNonFinancialAssetsAndLiabilitiesAbstract_label_en-US" xlink:label="lab_meso_DisclosureOfNonFinancialAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Non Financial Assets And Liabilities [Abstract]</link:label>
    <link:label id="lab_meso_DisclosureOfNonFinancialAssetsAndLiabilitiesAbstract_documentation_en-US" xlink:label="lab_meso_DisclosureOfNonFinancialAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of non financial assets and liabilities,</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfNonFinancialAssetsAndLiabilitiesAbstract" xlink:href="meso-20260630.xsd#meso_DisclosureOfNonFinancialAssetsAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfNonFinancialAssetsAndLiabilitiesAbstract" xlink:to="lab_meso_DisclosureOfNonFinancialAssetsAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutNetDebtReconciliationExplanatoryTableTextBlock_019f3528-b026-78ab-80e6-86e1df35fae9_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutNetDebtReconciliationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Net Debt Reconciliation</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutNetDebtReconciliationExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutNetDebtReconciliationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Net Debt Reconciliation Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfDetailedInformationAboutNetDebtReconciliationExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfDetailedInformationAboutNetDebtReconciliationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about net debt reconciliation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfDetailedInformationAboutNetDebtReconciliationExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfDetailedInformationAboutNetDebtReconciliationExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfDetailedInformationAboutNetDebtReconciliationExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfDetailedInformationAboutNetDebtReconciliationExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_019f3528-b0c3-7e08-b837-1b4a239ce428_totalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net (decrease)/increase in cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_019f3528-b0c3-728b-9a94-82d4a134a704_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows, cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in cash and cash equivalents before effect of exchange rate changes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_019f3528-b026-7641-a38d-ed7661654670_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_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_019f3528-af4f-7418-bd42-f6db61b9e5cf_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 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_meso_Series87cMember_019f3528-b0c3-7630-b5e1-7ea060cc5b0b_terseLabel_en-US" xlink:label="lab_meso_Series87cMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">87c</link:label>
    <link:label id="lab_meso_Series87cMember_label_en-US" xlink:label="lab_meso_Series87cMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 87c [Member]</link:label>
    <link:label id="lab_meso_Series87cMember_documentation_en-US" xlink:label="lab_meso_Series87cMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 87c</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series87cMember" xlink:href="meso-20260630.xsd#meso_Series87cMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series87cMember" xlink:to="lab_meso_Series87cMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFiftySevenMember_019f3528-b026-7899-803c-2100ed4e6dde_terseLabel_en-US" xlink:label="lab_meso_SeriesFiftySevenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">57</link:label>
    <link:label id="lab_meso_SeriesFiftySevenMember_label_en-US" xlink:label="lab_meso_SeriesFiftySevenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Fifty Seven [Member]</link:label>
    <link:label id="lab_meso_SeriesFiftySevenMember_documentation_en-US" xlink:label="lab_meso_SeriesFiftySevenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 57.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFiftySevenMember" xlink:href="meso-20260630.xsd#meso_SeriesFiftySevenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFiftySevenMember" xlink:to="lab_meso_SeriesFiftySevenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesOneHundredAndTwoMember_019f3528-af4f-757d-afc0-32f82c2d1fa9_terseLabel_en-US" xlink:label="lab_meso_SeriesOneHundredAndTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">102</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTwoMember_label_en-US" xlink:label="lab_meso_SeriesOneHundredAndTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series One Hundred And Two [Member]</link:label>
    <link:label id="lab_meso_SeriesOneHundredAndTwoMember_documentation_en-US" xlink:label="lab_meso_SeriesOneHundredAndTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series One Hundred And Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesOneHundredAndTwoMember" xlink:href="meso-20260630.xsd#meso_SeriesOneHundredAndTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesOneHundredAndTwoMember" xlink:to="lab_meso_SeriesOneHundredAndTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ContingentConsiderationProvision_019f3528-b14c-7c09-9921-18aae50f9f61_periodStartLabel_en-US" xlink:label="lab_meso_ContingentConsiderationProvision" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance</link:label>
    <link:label id="lab_meso_ContingentConsiderationProvision_019f3528-b14c-7f73-97c0-6aab81a3963c_periodEndLabel_en-US" xlink:label="lab_meso_ContingentConsiderationProvision" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing balance</link:label>
    <link:label id="lab_meso_ContingentConsiderationProvision_019f3528-b14c-78f1-b257-b81387857dfc_verboseLabel_en-US" xlink:label="lab_meso_ContingentConsiderationProvision" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration provision</link:label>
    <link:label id="lab_meso_ContingentConsiderationProvision_label_en-US" xlink:label="lab_meso_ContingentConsiderationProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration, Provision</link:label>
    <link:label id="lab_meso_ContingentConsiderationProvision_documentation_en-US" xlink:label="lab_meso_ContingentConsiderationProvision" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent consideration provision.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ContingentConsiderationProvision" xlink:href="meso-20260630.xsd#meso_ContingentConsiderationProvision"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ContingentConsiderationProvision" xlink:to="lab_meso_ContingentConsiderationProvision" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSixtyFourMember_019f3528-b0c3-7c68-ba3f-f490f559d8b2_terseLabel_en-US" xlink:label="lab_meso_SeriesSixtyFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">64</link:label>
    <link:label id="lab_meso_SeriesSixtyFourMember_label_en-US" xlink:label="lab_meso_SeriesSixtyFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Sixty Four [Member]</link:label>
    <link:label id="lab_meso_SeriesSixtyFourMember_documentation_en-US" xlink:label="lab_meso_SeriesSixtyFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 64.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSixtyFourMember" xlink:href="meso-20260630.xsd#meso_SeriesSixtyFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSixtyFourMember" xlink:to="lab_meso_SeriesSixtyFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_Security12bTitle_019f3528-b026-77a7-8daf-79611f9ea14b_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:label id="lab_dei_Security12bTitle_label_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems_019f3528-b026-7557-a823-1361e67f31d7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Significant Investments In Subsidiaries [Line Items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ChangeInOperatingAssetsAndLiabilitiesAbstract_019f3528-b0c3-75ec-8be1-2f162e07e25c_terseLabel_en-US" xlink:label="lab_meso_ChangeInOperatingAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in operating assets and liabilities:</link:label>
    <link:label id="lab_meso_ChangeInOperatingAssetsAndLiabilitiesAbstract_label_en-US" xlink:label="lab_meso_ChangeInOperatingAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Operating Assets And Liabilities [Abstract]</link:label>
    <link:label id="lab_meso_ChangeInOperatingAssetsAndLiabilitiesAbstract_documentation_en-US" xlink:label="lab_meso_ChangeInOperatingAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in operating assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ChangeInOperatingAssetsAndLiabilitiesAbstract" xlink:href="meso-20260630.xsd#meso_ChangeInOperatingAssetsAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ChangeInOperatingAssetsAndLiabilitiesAbstract" xlink:to="lab_meso_ChangeInOperatingAssetsAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TaslyMember_019f3528-b0c3-7bdc-94e4-69b9ccf90527_terseLabel_en-US" xlink:label="lab_meso_TaslyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tasly</link:label>
    <link:label id="lab_meso_TaslyMember_label_en-US" xlink:label="lab_meso_TaslyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tasly [Member]</link:label>
    <link:label id="lab_meso_TaslyMember_documentation_en-US" xlink:label="lab_meso_TaslyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tasly.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TaslyMember" xlink:href="meso-20260630.xsd#meso_TaslyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TaslyMember" xlink:to="lab_meso_TaslyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_Series55Member_019f3528-b0c3-72e3-8c1c-9445c949d61a_terseLabel_en-US" xlink:label="lab_meso_Series55Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">55</link:label>
    <link:label id="lab_meso_Series55Member_label_en-US" xlink:label="lab_meso_Series55Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 55 [Member]</link:label>
    <link:label id="lab_meso_Series55Member_documentation_en-US" xlink:label="lab_meso_Series55Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 55.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series55Member" xlink:href="meso-20260630.xsd#meso_Series55Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series55Member" xlink:to="lab_meso_Series55Member" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TaxCreditedOrDebitedToEquity_019f3528-b0c3-76a2-886b-91db707555a1_negatedLabel_en-US" xlink:label="lab_meso_TaxCreditedOrDebitedToEquity" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Tax (debited)/credited to equity</link:label>
    <link:label id="lab_meso_TaxCreditedOrDebitedToEquity_label_en-US" xlink:label="lab_meso_TaxCreditedOrDebitedToEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Credited Or Debited To Equity</link:label>
    <link:label id="lab_meso_TaxCreditedOrDebitedToEquity_documentation_en-US" xlink:label="lab_meso_TaxCreditedOrDebitedToEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax credited or debited to equity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TaxCreditedOrDebitedToEquity" xlink:href="meso-20260630.xsd#meso_TaxCreditedOrDebitedToEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TaxCreditedOrDebitedToEquity" xlink:to="lab_meso_TaxCreditedOrDebitedToEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SharesTransferredToEmployeeShareTrustValue_019f3528-b0c3-7921-a709-0ff8b5b8737e_terseLabel_en-US" xlink:label="lab_meso_SharesTransferredToEmployeeShareTrustValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfer to employee share trust</link:label>
    <link:label id="lab_meso_SharesTransferredToEmployeeShareTrustValue_label_en-US" xlink:label="lab_meso_SharesTransferredToEmployeeShareTrustValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Transferred to Employee Share Trust, Value</link:label>
    <link:label id="lab_meso_SharesTransferredToEmployeeShareTrustValue_documentation_en-US" xlink:label="lab_meso_SharesTransferredToEmployeeShareTrustValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares Transferred to Employee Share Trust, Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SharesTransferredToEmployeeShareTrustValue" xlink:href="meso-20260630.xsd#meso_SharesTransferredToEmployeeShareTrustValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SharesTransferredToEmployeeShareTrustValue" xlink:to="lab_meso_SharesTransferredToEmployeeShareTrustValue" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PriceWaterHouseCoopersMember_019f3528-b026-738f-abc9-a7678ae88f47_terseLabel_en-US" xlink:label="lab_meso_PriceWaterHouseCoopersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">a. PricewaterhouseCoopers Australia</link:label>
    <link:label id="lab_meso_PriceWaterHouseCoopersMember_label_en-US" xlink:label="lab_meso_PriceWaterHouseCoopersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Price Water House Coopers [Member]</link:label>
    <link:label id="lab_meso_PriceWaterHouseCoopersMember_documentation_en-US" xlink:label="lab_meso_PriceWaterHouseCoopersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Price Water House Coopers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PriceWaterHouseCoopersMember" xlink:href="meso-20260630.xsd#meso_PriceWaterHouseCoopersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PriceWaterHouseCoopersMember" xlink:to="lab_meso_PriceWaterHouseCoopersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfOrdinarySharesPerADSWarrant_019f3528-b14c-7db6-9940-ef0fdeb4ab10_terseLabel_en-US" xlink:label="lab_meso_NumberOfOrdinarySharesPerADSWarrant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of ordinary shares per ADS warrant (in shares)</link:label>
    <link:label id="lab_meso_NumberOfOrdinarySharesPerADSWarrant_label_en-US" xlink:label="lab_meso_NumberOfOrdinarySharesPerADSWarrant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Ordinary Shares Per ADS Warrant</link:label>
    <link:label id="lab_meso_NumberOfOrdinarySharesPerADSWarrant_documentation_en-US" xlink:label="lab_meso_NumberOfOrdinarySharesPerADSWarrant" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Ordinary Shares Per ADS Warrant</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfOrdinarySharesPerADSWarrant" xlink:href="meso-20260630.xsd#meso_NumberOfOrdinarySharesPerADSWarrant"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfOrdinarySharesPerADSWarrant" xlink:to="lab_meso_NumberOfOrdinarySharesPerADSWarrant" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ExpectedSalesVolumeMember_019f3528-b0c3-79f3-bf08-ede1111cfef6_terseLabel_en-US" xlink:label="lab_meso_ExpectedSalesVolumeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Sales Volume</link:label>
    <link:label id="lab_meso_ExpectedSalesVolumeMember_label_en-US" xlink:label="lab_meso_ExpectedSalesVolumeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Sales Volume [Member]</link:label>
    <link:label id="lab_meso_ExpectedSalesVolumeMember_documentation_en-US" xlink:label="lab_meso_ExpectedSalesVolumeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected sales volume.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpectedSalesVolumeMember" xlink:href="meso-20260630.xsd#meso_ExpectedSalesVolumeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpectedSalesVolumeMember" xlink:to="lab_meso_ExpectedSalesVolumeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAdvancesAndLoansFromRelatedParties_01a040e6-4f3f-759f-8145-52121d098160_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAdvancesAndLoansFromRelatedParties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans advanced</link:label>
    <link:label id="lab_ifrs-full_CashAdvancesAndLoansFromRelatedParties_label_en-US" xlink:label="lab_ifrs-full_CashAdvancesAndLoansFromRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash advances and loans from related parties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAdvancesAndLoansFromRelatedParties" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAdvancesAndLoansFromRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAdvancesAndLoansFromRelatedParties" xlink:to="lab_ifrs-full_CashAdvancesAndLoansFromRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DiscountsAndDistributorFeesAdjustmentMember_01a01729-d92c-7efb-9df2-77fd0cfcc8bc_terseLabel_en-US" xlink:label="lab_meso_DiscountsAndDistributorFeesAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounts and distributor fees</link:label>
    <link:label id="lab_meso_DiscountsAndDistributorFeesAdjustmentMember_label_en-US" xlink:label="lab_meso_DiscountsAndDistributorFeesAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounts And Distributor Fees, Adjustment [Member]</link:label>
    <link:label id="lab_meso_DiscountsAndDistributorFeesAdjustmentMember_documentation_en-US" xlink:label="lab_meso_DiscountsAndDistributorFeesAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discounts And Distributor Fees, Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DiscountsAndDistributorFeesAdjustmentMember" xlink:href="meso-20260630.xsd#meso_DiscountsAndDistributorFeesAdjustmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DiscountsAndDistributorFeesAdjustmentMember" xlink:to="lab_meso_DiscountsAndDistributorFeesAdjustmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetyMember_019f3528-b026-77a7-aa87-85ecc4e5e390_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">90</link:label>
    <link:label id="lab_meso_SeriesNinetyMember_label_en-US" xlink:label="lab_meso_SeriesNinetyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetyMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetyMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetyMember" xlink:to="lab_meso_SeriesNinetyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatoryTextBlock_019f3528-b0c3-7f4d-9e80-b442d51389ad_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets and liabilities</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatoryTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Assets And Financial Liabilities Explanatory [Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatoryTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets and financial liabilities explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatoryTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatoryTextBlock" xlink:to="lab_meso_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TransferToEmployeeShareTrust_019f3528-af4f-7369-9b34-4a1c15620f14_terseLabel_en-US" xlink:label="lab_meso_TransferToEmployeeShareTrust" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfer to employee share trust</link:label>
    <link:label id="lab_meso_TransferToEmployeeShareTrust_label_en-US" xlink:label="lab_meso_TransferToEmployeeShareTrust" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfer To Employee Share Trust</link:label>
    <link:label id="lab_meso_TransferToEmployeeShareTrust_documentation_en-US" xlink:label="lab_meso_TransferToEmployeeShareTrust" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transfer to employee share trust.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TransferToEmployeeShareTrust" xlink:href="meso-20260630.xsd#meso_TransferToEmployeeShareTrust"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TransferToEmployeeShareTrust" xlink:to="lab_meso_TransferToEmployeeShareTrust" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ForeignExchangeGainsLosses_019f3528-b0c3-78ce-8dae-5cb9aed62d6f_terseLabel_en-US" xlink:label="lab_meso_ForeignExchangeGainsLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange gains/(losses)</link:label>
    <link:label id="lab_meso_ForeignExchangeGainsLosses_label_en-US" xlink:label="lab_meso_ForeignExchangeGainsLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Exchange Gains Losses</link:label>
    <link:label id="lab_meso_ForeignExchangeGainsLosses_documentation_en-US" xlink:label="lab_meso_ForeignExchangeGainsLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign exchange gains/(losses).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ForeignExchangeGainsLosses" xlink:href="meso-20260630.xsd#meso_ForeignExchangeGainsLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ForeignExchangeGainsLosses" xlink:to="lab_meso_ForeignExchangeGainsLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FairValueRemeasurementOfWarrantLiabilityAbstract_019f3528-b0c3-78f2-97d8-b5cdb090725e_terseLabel_en-US" xlink:label="lab_meso_FairValueRemeasurementOfWarrantLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of warrant liability</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfWarrantLiabilityAbstract_label_en-US" xlink:label="lab_meso_FairValueRemeasurementOfWarrantLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Remeasurement Of Warrant Liability [Abstract]</link:label>
    <link:label id="lab_meso_FairValueRemeasurementOfWarrantLiabilityAbstract_documentation_en-US" xlink:label="lab_meso_FairValueRemeasurementOfWarrantLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of warrant liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FairValueRemeasurementOfWarrantLiabilityAbstract" xlink:href="meso-20260630.xsd#meso_FairValueRemeasurementOfWarrantLiabilityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FairValueRemeasurementOfWarrantLiabilityAbstract" xlink:to="lab_meso_FairValueRemeasurementOfWarrantLiabilityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain_019f3528-b0c3-7477-94b0-b57d52a83f80_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</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_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019f3528-b026-7e80-b785-bfe919f0ad7b_negatedLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayment of borrowings</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019f3528-b026-76b2-a6f6-0b04f8a6c372_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_meso_DeferredTaxAssetsAbstract_019f3528-b0c3-7cfb-a25d-0028e395e78d_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetsAbstract" 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_meso_DeferredTaxAssetsAbstract_label_en-US" xlink:label="lab_meso_DeferredTaxAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets [Abstract]</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsAbstract_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetsAbstract" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetsAbstract" xlink:to="lab_meso_DeferredTaxAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OverheadsAndAdministrationExpenses_019f3528-b0c3-70e7-a952-6d546cfefe76_negatedLabel_en-US" xlink:label="lab_meso_OverheadsAndAdministrationExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Overheads &amp; administration</link:label>
    <link:label id="lab_meso_OverheadsAndAdministrationExpenses_label_en-US" xlink:label="lab_meso_OverheadsAndAdministrationExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Overheads And Administration Expenses</link:label>
    <link:label id="lab_meso_OverheadsAndAdministrationExpenses_documentation_en-US" xlink:label="lab_meso_OverheadsAndAdministrationExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expenditure directly attributable to overheads and administration expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OverheadsAndAdministrationExpenses" xlink:href="meso-20260630.xsd#meso_OverheadsAndAdministrationExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OverheadsAndAdministrationExpenses" xlink:to="lab_meso_OverheadsAndAdministrationExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IssuanceWarrantsExercisedPeriod_019f3528-b0c3-71a4-9350-e786d1609c48_terseLabel_en-US" xlink:label="lab_meso_IssuanceWarrantsExercisedPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance warrants exercised period</link:label>
    <link:label id="lab_meso_IssuanceWarrantsExercisedPeriod_label_en-US" xlink:label="lab_meso_IssuanceWarrantsExercisedPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance Warrants Exercised Period</link:label>
    <link:label id="lab_meso_IssuanceWarrantsExercisedPeriod_documentation_en-US" xlink:label="lab_meso_IssuanceWarrantsExercisedPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issuance warrants exercised period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IssuanceWarrantsExercisedPeriod" xlink:href="meso-20260630.xsd#meso_IssuanceWarrantsExercisedPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IssuanceWarrantsExercisedPeriod" xlink:to="lab_meso_IssuanceWarrantsExercisedPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RyoncilMember_019f3528-b0c3-7240-81a3-bd542444e969_terseLabel_en-US" xlink:label="lab_meso_RyoncilMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ryoncil</link:label>
    <link:label id="lab_meso_RyoncilMember_label_en-US" xlink:label="lab_meso_RyoncilMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ryoncil [Member]</link:label>
    <link:label id="lab_meso_RyoncilMember_documentation_en-US" xlink:label="lab_meso_RyoncilMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ryoncil</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RyoncilMember" xlink:href="meso-20260630.xsd#meso_RyoncilMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RyoncilMember" xlink:to="lab_meso_RyoncilMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SaleOfEquityPricePerShare_019f3528-b026-72e7-a70e-4d2593aa5629_terseLabel_en-US" xlink:label="lab_meso_SaleOfEquityPricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of equity price (in dollars per share)</link:label>
    <link:label id="lab_meso_SaleOfEquityPricePerShare_label_en-US" xlink:label="lab_meso_SaleOfEquityPricePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Of Equity Price Per Share</link:label>
    <link:label id="lab_meso_SaleOfEquityPricePerShare_documentation_en-US" xlink:label="lab_meso_SaleOfEquityPricePerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sale of equity, price per share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SaleOfEquityPricePerShare" xlink:href="meso-20260630.xsd#meso_SaleOfEquityPricePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SaleOfEquityPricePerShare" xlink:to="lab_meso_SaleOfEquityPricePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BorrowingFacilitiesDrawdownNumberOfTranches_01a03628-3f3d-7703-b9ec-30fba938159d_terseLabel_en-US" xlink:label="lab_meso_BorrowingFacilitiesDrawdownNumberOfTranches" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of tranches</link:label>
    <link:label id="lab_meso_BorrowingFacilitiesDrawdownNumberOfTranches_label_en-US" xlink:label="lab_meso_BorrowingFacilitiesDrawdownNumberOfTranches" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Drawdown, Number Of Tranches</link:label>
    <link:label id="lab_meso_BorrowingFacilitiesDrawdownNumberOfTranches_documentation_en-US" xlink:label="lab_meso_BorrowingFacilitiesDrawdownNumberOfTranches" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Drawdown, Number Of Tranches</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BorrowingFacilitiesDrawdownNumberOfTranches" xlink:href="meso-20260630.xsd#meso_BorrowingFacilitiesDrawdownNumberOfTranches"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BorrowingFacilitiesDrawdownNumberOfTranches" xlink:to="lab_meso_BorrowingFacilitiesDrawdownNumberOfTranches" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_019f3528-b14c-79fc-a7da-b7775e47c18b_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_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities_019f3528-b0c3-7fbf-9f48-ff96e74dd731_terseLabel_en-US" xlink:label="lab_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions and other liabilities</link:label>
    <link:label id="lab_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities_019f3528-b0c3-79f2-aad4-ca7a9e381d71_verboseLabel_en-US" xlink:label="lab_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities_label_en-US" xlink:label="lab_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncurrent Provisions And Other Noncurrent Liabilities</link:label>
    <link:label id="lab_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities_documentation_en-US" xlink:label="lab_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Noncurrent Provisions And Other Noncurrent Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:href="meso-20260630.xsd#meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:to="lab_meso_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_019f3528-af4f-7609-be42-2a28507aff13_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">Summary of Trade and Other Payables</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_ReserveOfSharebasedPayments_019f3528-af4f-7111-a5cf-bca40625c5ff_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Options Reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfSharebasedPayments_label_en-US" xlink:label="lab_ifrs-full_ReserveOfSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of share-based payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfSharebasedPayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfSharebasedPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfSharebasedPayments" xlink:to="lab_ifrs-full_ReserveOfSharebasedPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DeferredTaxAssetsAttributableToOtherTemporaryDifferences_019f3528-b0c3-7c2b-95f6-a499c20daedb_terseLabel_en-US" xlink:label="lab_meso_DeferredTaxAssetsAttributableToOtherTemporaryDifferences" 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_meso_DeferredTaxAssetsAttributableToOtherTemporaryDifferences_label_en-US" xlink:label="lab_meso_DeferredTaxAssetsAttributableToOtherTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Attributable To Other Temporary Differences</link:label>
    <link:label id="lab_meso_DeferredTaxAssetsAttributableToOtherTemporaryDifferences_documentation_en-US" xlink:label="lab_meso_DeferredTaxAssetsAttributableToOtherTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax assets attributable to other temporary differences.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DeferredTaxAssetsAttributableToOtherTemporaryDifferences" xlink:href="meso-20260630.xsd#meso_DeferredTaxAssetsAttributableToOtherTemporaryDifferences"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DeferredTaxAssetsAttributableToOtherTemporaryDifferences" xlink:to="lab_meso_DeferredTaxAssetsAttributableToOtherTemporaryDifferences" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits_019f3528-b026-71fa-a968-af3df3b594b0_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term employee benefits</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, other long-term employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_019f3528-b026-70f4-a439-389059834ffe_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">Schedule 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_meso_DisclosureOfParentEntityFinancialInformationTable_019f3528-af4f-76f5-89e2-7133bd2f268e_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfParentEntityFinancialInformationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Parent Entity Financial Information [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfParentEntityFinancialInformationTable_label_en-US" xlink:label="lab_meso_DisclosureOfParentEntityFinancialInformationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Parent Entity Financial Information [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfParentEntityFinancialInformationTable_documentation_en-US" xlink:label="lab_meso_DisclosureOfParentEntityFinancialInformationTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Parent entity financial information.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfParentEntityFinancialInformationTable" xlink:href="meso-20260630.xsd#meso_DisclosureOfParentEntityFinancialInformationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfParentEntityFinancialInformationTable" xlink:to="lab_meso_DisclosureOfParentEntityFinancialInformationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TrancheAxis_019f3528-b025-7cc0-8c13-4432a2c1f6b4_terseLabel_en-US" xlink:label="lab_meso_TrancheAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche [Axis]</link:label>
    <link:label id="lab_meso_TrancheAxis_label_en-US" xlink:label="lab_meso_TrancheAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche [Axis]</link:label>
    <link:label id="lab_meso_TrancheAxis_documentation_en-US" xlink:label="lab_meso_TrancheAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TrancheAxis" xlink:href="meso-20260630.xsd#meso_TrancheAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TrancheAxis" xlink:to="lab_meso_TrancheAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortyNineCMember_019f3528-b026-7130-9aa8-015d9ee7c06e_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyNineCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">49c</link:label>
    <link:label id="lab_meso_SeriesFortyNineCMember_label_en-US" xlink:label="lab_meso_SeriesFortyNineCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Nine C [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyNineCMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyNineCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 49c..</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyNineCMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyNineCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyNineCMember" xlink:to="lab_meso_SeriesFortyNineCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_019f3528-b0c3-7c91-823f-e8daa891b40d_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" 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_DescriptionOfAccountingPolicyForBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_019f3528-b0c3-7fd6-bf67-20f43dfe2432_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">Accumulated impairment</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_meso_SeriesThirtyNineMember_019f3528-b0c3-75c7-aabf-2fe1cde171a1_terseLabel_en-US" xlink:label="lab_meso_SeriesThirtyNineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">39</link:label>
    <link:label id="lab_meso_SeriesThirtyNineMember_label_en-US" xlink:label="lab_meso_SeriesThirtyNineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Thirty Nine [Member]</link:label>
    <link:label id="lab_meso_SeriesThirtyNineMember_documentation_en-US" xlink:label="lab_meso_SeriesThirtyNineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 39.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesThirtyNineMember" xlink:href="meso-20260630.xsd#meso_SeriesThirtyNineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesThirtyNineMember" xlink:to="lab_meso_SeriesThirtyNineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_019f3528-b0c3-713c-a92e-03de9cd4eb00_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">Summary of Financial Instruments</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_019f3528-b026-72bf-ab7a-d4fbb7d633d4_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">Summary of 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_019f3528-b0c3-736f-a213-7ac9f2b3d446_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">Summary of Property, Plant and Equipment</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_ifrs-full_LicencesMember_019f3528-b14c-7263-a034-d7be2cef5064_terseLabel_en-US" xlink:label="lab_ifrs-full_LicencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquired licenses to patents</link:label>
    <link:label id="lab_ifrs-full_LicencesMember_label_en-US" xlink:label="lab_ifrs-full_LicencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Licences [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LicencesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LicencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LicencesMember" xlink:to="lab_ifrs-full_LicencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain_019f3528-af4f-7be2-8b70-cd09834f5300_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of intangible assets and goodwill</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of intangible assets and goodwill [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_019f3528-b0c3-78c8-ba6a-6dde0b4f1231_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_019f3528-b0c3-734d-9e0e-d546608aa161_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">Net cash (outflows)/inflows 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_meso_ReceiptOfSecurityDeposits_019f3528-b0c3-7a93-818e-58e22d88b7c9_terseLabel_en-US" xlink:label="lab_meso_ReceiptOfSecurityDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receipt of security deposits</link:label>
    <link:label id="lab_meso_ReceiptOfSecurityDeposits_label_en-US" xlink:label="lab_meso_ReceiptOfSecurityDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receipt of Security Deposits</link:label>
    <link:label id="lab_meso_ReceiptOfSecurityDeposits_documentation_en-US" xlink:label="lab_meso_ReceiptOfSecurityDeposits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Receipt of Security Deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ReceiptOfSecurityDeposits" xlink:href="meso-20260630.xsd#meso_ReceiptOfSecurityDeposits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ReceiptOfSecurityDeposits" xlink:to="lab_meso_ReceiptOfSecurityDeposits" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_NumberOfOperatingSegment_019f3528-af4f-7700-a6a7-9f63552dd638_terseLabel_en-US" xlink:label="lab_meso_NumberOfOperatingSegment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of operating segment</link:label>
    <link:label id="lab_meso_NumberOfOperatingSegment_label_en-US" xlink:label="lab_meso_NumberOfOperatingSegment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Operating Segment</link:label>
    <link:label id="lab_meso_NumberOfOperatingSegment_documentation_en-US" xlink:label="lab_meso_NumberOfOperatingSegment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of operating segment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_NumberOfOperatingSegment" xlink:href="meso-20260630.xsd#meso_NumberOfOperatingSegment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_NumberOfOperatingSegment" xlink:to="lab_meso_NumberOfOperatingSegment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects_019f3528-af4f-757d-8cd7-39be30a833fc_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Used in calculating basic (losses) per share</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) from continuing operations attributable to ordinary equity holders of parent entity, used in calculating diluted earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:to="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_019f3528-b025-75bc-b847-5b168ad638b3_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 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_ifrs-full_EmployeeBenefitsExpense_019f3528-af4f-7b58-a6c4-90166b41a662_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total Employee benefits</link:label>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_label_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee benefits expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EmployeeBenefitsExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EmployeeBenefitsExpense" xlink:to="lab_ifrs-full_EmployeeBenefitsExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_019f3528-b0c3-7fe4-a69c-2af6fc901d95_negatedLabel_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Amortization charge</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_meso_MesoblastEmployeeShareTrustMember_019f3528-b026-7322-a897-37b3058964a1_terseLabel_en-US" xlink:label="lab_meso_MesoblastEmployeeShareTrustMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mesoblast Employee Share Trust</link:label>
    <link:label id="lab_meso_MesoblastEmployeeShareTrustMember_label_en-US" xlink:label="lab_meso_MesoblastEmployeeShareTrustMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mesoblast Employee Share Trust [Member]</link:label>
    <link:label id="lab_meso_MesoblastEmployeeShareTrustMember_documentation_en-US" xlink:label="lab_meso_MesoblastEmployeeShareTrustMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mesoblast Employee Share Trust.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MesoblastEmployeeShareTrustMember" xlink:href="meso-20260630.xsd#meso_MesoblastEmployeeShareTrustMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MesoblastEmployeeShareTrustMember" xlink:to="lab_meso_MesoblastEmployeeShareTrustMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CardiovascularProductsMember_019f3528-b14c-73ca-a50e-e8374d04717c_terseLabel_en-US" xlink:label="lab_meso_CardiovascularProductsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cardiovascular Products</link:label>
    <link:label id="lab_meso_CardiovascularProductsMember_label_en-US" xlink:label="lab_meso_CardiovascularProductsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cardiovascular Products [Member]</link:label>
    <link:label id="lab_meso_CardiovascularProductsMember_documentation_en-US" xlink:label="lab_meso_CardiovascularProductsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cardiovascular products.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CardiovascularProductsMember" xlink:href="meso-20260630.xsd#meso_CardiovascularProductsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CardiovascularProductsMember" xlink:to="lab_meso_CardiovascularProductsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PaymentsForReceiptsFromInvestmentInSublease_019fd1ce-f80a-75aa-bc32-2b748fdb8dcc_terseLabel_en-US" xlink:label="lab_meso_PaymentsForReceiptsFromInvestmentInSublease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Payments for)/Receipt from investment in sublease</link:label>
    <link:label id="lab_meso_PaymentsForReceiptsFromInvestmentInSublease_label_en-US" xlink:label="lab_meso_PaymentsForReceiptsFromInvestmentInSublease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">(Payments For)/Receipts From Investment In Sublease</link:label>
    <link:label id="lab_meso_PaymentsForReceiptsFromInvestmentInSublease_documentation_en-US" xlink:label="lab_meso_PaymentsForReceiptsFromInvestmentInSublease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">(Payments For)/Receipts From Investment In Sublease</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PaymentsForReceiptsFromInvestmentInSublease" xlink:href="meso-20260630.xsd#meso_PaymentsForReceiptsFromInvestmentInSublease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PaymentsForReceiptsFromInvestmentInSublease" xlink:to="lab_meso_PaymentsForReceiptsFromInvestmentInSublease" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssets_019f3528-b0c3-7853-a24c-d9d8ce552d34_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_019f3528-b0c3-7052-aab4-c5ea9edaefc8_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssets" 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_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_meso_ExpectedPatentExpiry_019f3528-b026-7354-ad2d-6129e20a670f_terseLabel_en-US" xlink:label="lab_meso_ExpectedPatentExpiry" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected patent expiry</link:label>
    <link:label id="lab_meso_ExpectedPatentExpiry_label_en-US" xlink:label="lab_meso_ExpectedPatentExpiry" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Patent Expiry</link:label>
    <link:label id="lab_meso_ExpectedPatentExpiry_documentation_en-US" xlink:label="lab_meso_ExpectedPatentExpiry" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected patent expiry.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ExpectedPatentExpiry" xlink:href="meso-20260630.xsd#meso_ExpectedPatentExpiry"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_ExpectedPatentExpiry" xlink:to="lab_meso_ExpectedPatentExpiry" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_019f3528-b0c3-7692-b01e-63fb877f514a_totalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax expense/(benefit)</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax expense (income) recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets_019f3528-b14c-783f-b625-8f0f3886b2be_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets" 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_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions other than through business combinations, right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_019f3528-b14c-7e1e-9f78-795de884aa09_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_meso_MaturityTermOfShareBasedPaymentArrangement_01a017a2-3477-7d0d-9a4b-b98852e0161a_terseLabel_en-US" xlink:label="lab_meso_MaturityTermOfShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity term</link:label>
    <link:label id="lab_meso_MaturityTermOfShareBasedPaymentArrangement_label_en-US" xlink:label="lab_meso_MaturityTermOfShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Term Of Share-Based Payment Arrangement</link:label>
    <link:label id="lab_meso_MaturityTermOfShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_meso_MaturityTermOfShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity Term Of Share-Based Payment Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MaturityTermOfShareBasedPaymentArrangement" xlink:href="meso-20260630.xsd#meso_MaturityTermOfShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MaturityTermOfShareBasedPaymentArrangement" xlink:to="lab_meso_MaturityTermOfShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_GrunenthalGmbHMember_019f3528-b026-7785-b835-59f8f9433fd7_terseLabel_en-US" xlink:label="lab_meso_GrunenthalGmbHMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grunenthal</link:label>
    <link:label id="lab_meso_GrunenthalGmbHMember_label_en-US" xlink:label="lab_meso_GrunenthalGmbHMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grunenthal Gmb H [Member]</link:label>
    <link:label id="lab_meso_GrunenthalGmbHMember_documentation_en-US" xlink:label="lab_meso_GrunenthalGmbHMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gr&#252;nenthal GmbH.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_GrunenthalGmbHMember" xlink:href="meso-20260630.xsd#meso_GrunenthalGmbHMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_GrunenthalGmbHMember" xlink:to="lab_meso_GrunenthalGmbHMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_019f3528-b0c3-7ca5-a253-c9a2e24d5528_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_ifrs-full_DepreciationPropertyPlantAndEquipment_019f3528-b025-7581-92c5-14e15e1c9566_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 charge</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_meso_TiGenixNVMember_019f3528-b0c3-719b-9569-cce19164474d_terseLabel_en-US" xlink:label="lab_meso_TiGenixNVMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TiGenix NV</link:label>
    <link:label id="lab_meso_TiGenixNVMember_label_en-US" xlink:label="lab_meso_TiGenixNVMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ti Genix N V [Member]</link:label>
    <link:label id="lab_meso_TiGenixNVMember_documentation_en-US" xlink:label="lab_meso_TiGenixNVMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for TiGenix NV.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TiGenixNVMember" xlink:href="meso-20260630.xsd#meso_TiGenixNVMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TiGenixNVMember" xlink:to="lab_meso_TiGenixNVMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_WarrantsCreditLineFacilityMember_01a03605-9958-73e5-a1af-4131c43506fe_terseLabel_en-US" xlink:label="lab_meso_WarrantsCreditLineFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrants, Credit-Line Facility</link:label>
    <link:label id="lab_meso_WarrantsCreditLineFacilityMember_label_en-US" xlink:label="lab_meso_WarrantsCreditLineFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants, Credit-Line Facility [Member]</link:label>
    <link:label id="lab_meso_WarrantsCreditLineFacilityMember_documentation_en-US" xlink:label="lab_meso_WarrantsCreditLineFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrants, Credit-Line Facility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_WarrantsCreditLineFacilityMember" xlink:href="meso-20260630.xsd#meso_WarrantsCreditLineFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_WarrantsCreditLineFacilityMember" xlink:to="lab_meso_WarrantsCreditLineFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_LossGainOnRemeasurementOfWarrantLiability_019f3528-af4f-723a-94ab-6cd8c72eeb29_negatedLabel_en-US" xlink:label="lab_meso_LossGainOnRemeasurementOfWarrantLiability" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of warrant liability</link:label>
    <link:label id="lab_meso_LossGainOnRemeasurementOfWarrantLiability_label_en-US" xlink:label="lab_meso_LossGainOnRemeasurementOfWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Gain On Remeasurement Of Warrant Liability</link:label>
    <link:label id="lab_meso_LossGainOnRemeasurementOfWarrantLiability_documentation_en-US" xlink:label="lab_meso_LossGainOnRemeasurementOfWarrantLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loss&#8203; gain&#8203; on remeasurement&#8203; of warrant &#8203;liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_LossGainOnRemeasurementOfWarrantLiability" xlink:href="meso-20260630.xsd#meso_LossGainOnRemeasurementOfWarrantLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_LossGainOnRemeasurementOfWarrantLiability" xlink:to="lab_meso_LossGainOnRemeasurementOfWarrantLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_LoanAndSecurityAgreementMember_019f5a65-fbd2-7bd4-990d-fae8a8299c86_terseLabel_en-US" xlink:label="lab_meso_LoanAndSecurityAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan And Security Agreement</link:label>
    <link:label id="lab_meso_LoanAndSecurityAgreementMember_label_en-US" xlink:label="lab_meso_LoanAndSecurityAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan And Security Agreement [Member]</link:label>
    <link:label id="lab_meso_LoanAndSecurityAgreementMember_documentation_en-US" xlink:label="lab_meso_LoanAndSecurityAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan And Security Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_LoanAndSecurityAgreementMember" xlink:href="meso-20260630.xsd#meso_LoanAndSecurityAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_LoanAndSecurityAgreementMember" xlink:to="lab_meso_LoanAndSecurityAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory_019f3528-b026-7e4b-b1cb-1c5ac243bdfe_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrants</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for warrants [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory_019f3528-b0c3-7cc8-8b3b-76656e12e5e8_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for derivative financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_019f3528-b0c3-77f5-927b-0c926e47baf0_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of share options exercised in share-based payment arrangement (in AUD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of share options exercised in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019"/>
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    <link:label id="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_019f3528-b0c3-7518-81e3-ec226a85c9c6_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Volatility</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected volatility, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ParValuePerShare_019f3528-b0c3-7c33-a740-e5f6d4ffe284_terseLabel_en-US" xlink:label="lab_ifrs-full_ParValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise price (in AUD per share)</link:label>
    <link:label id="lab_ifrs-full_ParValuePerShare_label_en-US" xlink:label="lab_ifrs-full_ParValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Par value per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ParValuePerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ParValuePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ParValuePerShare" xlink:to="lab_ifrs-full_ParValuePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax_019f3528-b026-7091-9ff0-c8f0ec889911_negatedLabel_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax_019f3528-b026-7e47-912e-f8fe8ac08d3e_terseLabel_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax_label_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification adjustments on financial assets measured at fair value through other comprehensive income, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax"/>
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    <link:label id="lab_meso_DisclosureOfAuditorsRemunerationTable_019f3528-b026-7f90-b18f-f6a7fe250017_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfAuditorsRemunerationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Auditors Remuneration [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfAuditorsRemunerationTable_label_en-US" xlink:label="lab_meso_DisclosureOfAuditorsRemunerationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Auditors Remuneration [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfAuditorsRemunerationTable_documentation_en-US" xlink:label="lab_meso_DisclosureOfAuditorsRemunerationTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Auditors remuneration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfAuditorsRemunerationTable" xlink:href="meso-20260630.xsd#meso_DisclosureOfAuditorsRemunerationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfAuditorsRemunerationTable" xlink:to="lab_meso_DisclosureOfAuditorsRemunerationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesFortyNineBMember_019f3528-b026-7bfd-bebc-11f999653446_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyNineBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">49b</link:label>
    <link:label id="lab_meso_SeriesFortyNineBMember_label_en-US" xlink:label="lab_meso_SeriesFortyNineBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Nine B [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyNineBMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyNineBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 49b.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyNineBMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyNineBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyNineBMember" xlink:to="lab_meso_SeriesFortyNineBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_019f3528-b0c3-7f43-adf0-628b59a85b7c_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend Yield</link:label>
    <link:label id="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected dividend as percentage, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:to="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsTable_019f3528-b14c-776f-b525-ad3caeb01c59_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Outstanding Share Based Payments [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsTable_label_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Outstanding Share Based Payments [Table]</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsTable_documentation_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of outstanding share based payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsTable" xlink:href="meso-20260630.xsd#meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsTable" xlink:to="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_OtherManagementAndAdministrationExpensesAbstract_019f3528-b0c3-762f-9866-588c76c29c9f_terseLabel_en-US" xlink:label="lab_meso_OtherManagementAndAdministrationExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Selling, general and administration</link:label>
    <link:label id="lab_meso_OtherManagementAndAdministrationExpensesAbstract_label_en-US" xlink:label="lab_meso_OtherManagementAndAdministrationExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Management And Administration Expenses [Abstract]</link:label>
    <link:label id="lab_meso_OtherManagementAndAdministrationExpensesAbstract_documentation_en-US" xlink:label="lab_meso_OtherManagementAndAdministrationExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other management and administration expenses abstract.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_OtherManagementAndAdministrationExpensesAbstract" xlink:href="meso-20260630.xsd#meso_OtherManagementAndAdministrationExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_OtherManagementAndAdministrationExpensesAbstract" xlink:to="lab_meso_OtherManagementAndAdministrationExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_019f3528-b14c-7f6f-a9b0-5621a6d6ae6d_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_019f3528-b026-76dc-af85-717783291854_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_ifrs-full_IncomeRelatingToVariableLeasePaymentsForOperatingLeasesThatDoNotDependOnIndexOrRate_019f3528-b0c3-7214-bdd7-4ef1477ee010_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeRelatingToVariableLeasePaymentsForOperatingLeasesThatDoNotDependOnIndexOrRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable lease payments</link:label>
    <link:label id="lab_ifrs-full_IncomeRelatingToVariableLeasePaymentsForOperatingLeasesThatDoNotDependOnIndexOrRate_label_en-US" xlink:label="lab_ifrs-full_IncomeRelatingToVariableLeasePaymentsForOperatingLeasesThatDoNotDependOnIndexOrRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income relating to variable lease payments for operating leases that do not depend on index or rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeRelatingToVariableLeasePaymentsForOperatingLeasesThatDoNotDependOnIndexOrRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeRelatingToVariableLeasePaymentsForOperatingLeasesThatDoNotDependOnIndexOrRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeRelatingToVariableLeasePaymentsForOperatingLeasesThatDoNotDependOnIndexOrRate" xlink:to="lab_ifrs-full_IncomeRelatingToVariableLeasePaymentsForOperatingLeasesThatDoNotDependOnIndexOrRate" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfFinancialRiskManagementLineItems_019f3528-b026-72b8-babd-41a21f305c20_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfFinancialRiskManagementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Financial Risk Management [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialRiskManagementLineItems_label_en-US" xlink:label="lab_meso_DisclosureOfFinancialRiskManagementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Financial Risk Management [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfFinancialRiskManagementLineItems_documentation_en-US" xlink:label="lab_meso_DisclosureOfFinancialRiskManagementLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of financial risk management.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfFinancialRiskManagementLineItems" xlink:href="meso-20260630.xsd#meso_DisclosureOfFinancialRiskManagementLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfFinancialRiskManagementLineItems" xlink:to="lab_meso_DisclosureOfFinancialRiskManagementLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CondensedIncomeStatementsCaptionsLineItems_019f3528-b0c3-7870-a788-7ae1c43f3248_terseLabel_en-US" xlink:label="lab_srt_CondensedIncomeStatementsCaptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Condensed Income Statements, Captions [Line Items]</link:label>
    <link:label id="lab_srt_CondensedIncomeStatementsCaptionsLineItems_label_en-US" xlink:label="lab_srt_CondensedIncomeStatementsCaptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Condensed Income Statements, Captions [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedIncomeStatementsCaptionsLineItems" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedIncomeStatementsCaptionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems" xlink:to="lab_srt_CondensedIncomeStatementsCaptionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract_019f3528-b025-72de-93ce-46a949b5da9b_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax</link:label>
    <link:label id="lab_ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract_label_en-US" xlink:label="lab_ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes in deferred tax liability (asset) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract" xlink:to="lab_ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_019f3528-b0c3-7696-92b0-0f883428feee_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_meso_SeriesNinetyEightMember_019f3528-b026-7f9f-b117-18a36029e3a9_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetyEightMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">98</link:label>
    <link:label id="lab_meso_SeriesNinetyEightMember_label_en-US" xlink:label="lab_meso_SeriesNinetyEightMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Eight [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetyEightMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetyEightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Eight</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetyEightMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetyEightMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetyEightMember" xlink:to="lab_meso_SeriesNinetyEightMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageMember_019f3528-b026-712d-8540-3e273f4aec70_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageMember_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageMember" xlink:to="lab_ifrs-full_WeightedAverageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MarketedProductsMember_019f3528-b0c3-791a-965e-edcca768d7e2_terseLabel_en-US" xlink:label="lab_meso_MarketedProductsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current marketed products</link:label>
    <link:label id="lab_meso_MarketedProductsMember_label_en-US" xlink:label="lab_meso_MarketedProductsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketed Products [Member]</link:label>
    <link:label id="lab_meso_MarketedProductsMember_documentation_en-US" xlink:label="lab_meso_MarketedProductsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Marketed products.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MarketedProductsMember" xlink:href="meso-20260630.xsd#meso_MarketedProductsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MarketedProductsMember" xlink:to="lab_meso_MarketedProductsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_FinancialDerivativeLiabilityAtFairValueLiabilities_019f3528-af4f-7cc8-8200-62293776bc9a_terseLabel_en-US" xlink:label="lab_meso_FinancialDerivativeLiabilityAtFairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of financial derivative liability</link:label>
    <link:label id="lab_meso_FinancialDerivativeLiabilityAtFairValueLiabilities_label_en-US" xlink:label="lab_meso_FinancialDerivativeLiabilityAtFairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Liability At Fair Value, Liabilities</link:label>
    <link:label id="lab_meso_FinancialDerivativeLiabilityAtFairValueLiabilities_documentation_en-US" xlink:label="lab_meso_FinancialDerivativeLiabilityAtFairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivative Liability At Fair Value, Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_FinancialDerivativeLiabilityAtFairValueLiabilities" xlink:href="meso-20260630.xsd#meso_FinancialDerivativeLiabilityAtFairValueLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_FinancialDerivativeLiabilityAtFairValueLiabilities" xlink:to="lab_meso_FinancialDerivativeLiabilityAtFairValueLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities_019f3528-b026-7567-baa1-aea484e9cd78_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows, leases</link:label>
    <link:label id="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase through new leases, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_RemeasurementAdjustmentsOnDebtAndWarrants_019f3528-b026-7cd7-814d-66e8fe4f162a_terseLabel_en-US" xlink:label="lab_meso_RemeasurementAdjustmentsOnDebtAndWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement adjustments, sub-total</link:label>
    <link:label id="lab_meso_RemeasurementAdjustmentsOnDebtAndWarrants_019f3528-b026-7891-9497-e70bd8e50e1c_verboseLabel_en-US" xlink:label="lab_meso_RemeasurementAdjustmentsOnDebtAndWarrants" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement adjustments, total</link:label>
    <link:label id="lab_meso_RemeasurementAdjustmentsOnDebtAndWarrants_label_en-US" xlink:label="lab_meso_RemeasurementAdjustmentsOnDebtAndWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remeasurement Adjustments On Debt And Warrants</link:label>
    <link:label id="lab_meso_RemeasurementAdjustmentsOnDebtAndWarrants_documentation_en-US" xlink:label="lab_meso_RemeasurementAdjustmentsOnDebtAndWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remeasurement adjustments on debt and warrants.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_RemeasurementAdjustmentsOnDebtAndWarrants" xlink:href="meso-20260630.xsd#meso_RemeasurementAdjustmentsOnDebtAndWarrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_RemeasurementAdjustmentsOnDebtAndWarrants" xlink:to="lab_meso_RemeasurementAdjustmentsOnDebtAndWarrants" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_BeiCellLtdMember_019f3528-af4f-70b4-815c-c52f4c7d114b_terseLabel_en-US" xlink:label="lab_meso_BeiCellLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BeiCell Ltd(1)</link:label>
    <link:label id="lab_meso_BeiCellLtdMember_label_en-US" xlink:label="lab_meso_BeiCellLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bei Cell Ltd [Member]</link:label>
    <link:label id="lab_meso_BeiCellLtdMember_documentation_en-US" xlink:label="lab_meso_BeiCellLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BeiCell Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_BeiCellLtdMember" xlink:href="meso-20260630.xsd#meso_BeiCellLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_BeiCellLtdMember" xlink:to="lab_meso_BeiCellLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_019f3528-b0c3-795e-8f5d-b12daaf22d68_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_ifrs-full_RangeDomain_019f3528-b026-73e4-be62-c73600b385d3_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</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_meso_SeriesNinetyThreeMember_019f3528-b14c-7990-a508-deaad773e510_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetyThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">93</link:label>
    <link:label id="lab_meso_SeriesNinetyThreeMember_label_en-US" xlink:label="lab_meso_SeriesNinetyThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety Three [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetyThreeMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetyThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetyThreeMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetyThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetyThreeMember" xlink:to="lab_meso_SeriesNinetyThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IncreaseInTwentyPercentageMember_019f3528-b14c-7fef-945e-fd971f4043f6_terseLabel_en-US" xlink:label="lab_meso_IncreaseInTwentyPercentageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">+20%</link:label>
    <link:label id="lab_meso_IncreaseInTwentyPercentageMember_label_en-US" xlink:label="lab_meso_IncreaseInTwentyPercentageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase In Twenty Percentage [Member]</link:label>
    <link:label id="lab_meso_IncreaseInTwentyPercentageMember_documentation_en-US" xlink:label="lab_meso_IncreaseInTwentyPercentageMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase in twenty percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IncreaseInTwentyPercentageMember" xlink:href="meso-20260630.xsd#meso_IncreaseInTwentyPercentageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IncreaseInTwentyPercentageMember" xlink:to="lab_meso_IncreaseInTwentyPercentageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityListingDepositoryReceiptRatio_019f3528-af4f-719e-9b0f-c7697ea4ad07_terseLabel_en-US" xlink:label="lab_dei_EntityListingDepositoryReceiptRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depository receipt ratio</link:label>
    <link:label id="lab_dei_EntityListingDepositoryReceiptRatio_label_en-US" xlink:label="lab_dei_EntityListingDepositoryReceiptRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Listing, Depository Receipt Ratio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityListingDepositoryReceiptRatio" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityListingDepositoryReceiptRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityListingDepositoryReceiptRatio" xlink:to="lab_dei_EntityListingDepositoryReceiptRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmountsPayableRelatedPartyTransactions_019fd860-14ce-7884-8772-2c532cb9cf64_terseLabel_en-US" xlink:label="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts payable, related party transactions</link:label>
    <link:label id="lab_ifrs-full_AmountsPayableRelatedPartyTransactions_01a040fd-3d79-79a0-8725-963963061102_periodStartLabel_en-US" xlink:label="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" 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_AmountsPayableRelatedPartyTransactions_01a040fd-225f-796f-924b-dee1569a32bb_periodEndLabel_en-US" xlink:label="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" 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_AmountsPayableRelatedPartyTransactions_label_en-US" xlink:label="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amounts payable, related party transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmountsPayableRelatedPartyTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:to="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_TradeAndOtherReceivablesSettlementPeriod_019f3528-b026-7d69-899b-21b057561503_terseLabel_en-US" xlink:label="lab_meso_TradeAndOtherReceivablesSettlementPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other receivables settlement period</link:label>
    <link:label id="lab_meso_TradeAndOtherReceivablesSettlementPeriod_label_en-US" xlink:label="lab_meso_TradeAndOtherReceivablesSettlementPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade And Other Receivables, Settlement Period</link:label>
    <link:label id="lab_meso_TradeAndOtherReceivablesSettlementPeriod_documentation_en-US" xlink:label="lab_meso_TradeAndOtherReceivablesSettlementPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade And Other Receivables, Settlement Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_TradeAndOtherReceivablesSettlementPeriod" xlink:href="meso-20260630.xsd#meso_TradeAndOtherReceivablesSettlementPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_TradeAndOtherReceivablesSettlementPeriod" xlink:to="lab_meso_TradeAndOtherReceivablesSettlementPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesEightySevenAMember_019f3528-b025-758e-9fa6-ce80cb7b8634_terseLabel_en-US" xlink:label="lab_meso_SeriesEightySevenAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">87a</link:label>
    <link:label id="lab_meso_SeriesEightySevenAMember_label_en-US" xlink:label="lab_meso_SeriesEightySevenAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Eighty Seven A [Member]</link:label>
    <link:label id="lab_meso_SeriesEightySevenAMember_documentation_en-US" xlink:label="lab_meso_SeriesEightySevenAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Eighty Seven A</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesEightySevenAMember" xlink:href="meso-20260630.xsd#meso_SeriesEightySevenAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesEightySevenAMember" xlink:to="lab_meso_SeriesEightySevenAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsLineItems_019f3528-af4f-7a56-b9c1-e6887ab1a556_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Outstanding Share Based Payments [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsLineItems_label_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Outstanding Share Based Payments [Line Items]</link:label>
    <link:label id="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsLineItems_documentation_en-US" xlink:label="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of outstanding share based payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsLineItems" xlink:href="meso-20260630.xsd#meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsLineItems" xlink:to="lab_meso_DisclosureOfReconciliationOfOutstandingShareBasedPaymentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_Series105Member_019f3528-b0c3-7983-a18e-9a1b9ba98e97_terseLabel_en-US" xlink:label="lab_meso_Series105Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">105</link:label>
    <link:label id="lab_meso_Series105Member_label_en-US" xlink:label="lab_meso_Series105Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 105 [Member]</link:label>
    <link:label id="lab_meso_Series105Member_documentation_en-US" xlink:label="lab_meso_Series105Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 105</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series105Member" xlink:href="meso-20260630.xsd#meso_Series105Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series105Member" xlink:to="lab_meso_Series105Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_019f3528-b025-7c19-a62e-aff8f568a6df_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement of shares for exercise of warrants</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through exercise of warrants, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_PercentageOfPremiumAttachedWithPerformanceBasedVestingConditionOptions_019f3528-b0c3-7d61-88d4-9059e1c0fce2_terseLabel_en-US" xlink:label="lab_meso_PercentageOfPremiumAttachedWithPerformanceBasedVestingConditionOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of premium attached with performance based vesting condition options</link:label>
    <link:label id="lab_meso_PercentageOfPremiumAttachedWithPerformanceBasedVestingConditionOptions_label_en-US" xlink:label="lab_meso_PercentageOfPremiumAttachedWithPerformanceBasedVestingConditionOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Premium Attached With Performance Based Vesting Condition Options</link:label>
    <link:label id="lab_meso_PercentageOfPremiumAttachedWithPerformanceBasedVestingConditionOptions_documentation_en-US" xlink:label="lab_meso_PercentageOfPremiumAttachedWithPerformanceBasedVestingConditionOptions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of premium attached with performance based vesting condition options.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_PercentageOfPremiumAttachedWithPerformanceBasedVestingConditionOptions" xlink:href="meso-20260630.xsd#meso_PercentageOfPremiumAttachedWithPerformanceBasedVestingConditionOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_PercentageOfPremiumAttachedWithPerformanceBasedVestingConditionOptions" xlink:to="lab_meso_PercentageOfPremiumAttachedWithPerformanceBasedVestingConditionOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_IntravenousProductsMember_019f3528-b026-7cd0-b04d-7e213a82d29e_terseLabel_en-US" xlink:label="lab_meso_IntravenousProductsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intravenous products for metabolic diseases and inflammatory/immunologic conditions</link:label>
    <link:label id="lab_meso_IntravenousProductsMember_label_en-US" xlink:label="lab_meso_IntravenousProductsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intravenous Products [Member]</link:label>
    <link:label id="lab_meso_IntravenousProductsMember_documentation_en-US" xlink:label="lab_meso_IntravenousProductsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Intravenous products.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_IntravenousProductsMember" xlink:href="meso-20260630.xsd#meso_IntravenousProductsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_IntravenousProductsMember" xlink:to="lab_meso_IntravenousProductsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_CurrentTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount_019f3528-b0c3-79f8-85ae-e33f0be8acd3_terseLabel_en-US" xlink:label="lab_meso_CurrentTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax recorded in equity (if brought to account)</link:label>
    <link:label id="lab_meso_CurrentTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount_label_en-US" xlink:label="lab_meso_CurrentTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Tax Relating To Items Charged Or Credited Amounts That Would Be Recognized Directly In Equity If Brought To Account</link:label>
    <link:label id="lab_meso_CurrentTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount_documentation_en-US" xlink:label="lab_meso_CurrentTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current tax relating to items charged or credited amounts that would be recognized directly in equity if brought to account.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_CurrentTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:href="meso-20260630.xsd#meso_CurrentTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_CurrentTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:to="lab_meso_CurrentTaxRelatingToItemsChargedOrCreditedAmountsThatWouldBeRecognizedDirectlyInEquityIfBroughtToAccount" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesNinetyOneMember_019f3528-b0c3-7c1c-bf34-c416d17b6556_terseLabel_en-US" xlink:label="lab_meso_SeriesNinetyOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">91</link:label>
    <link:label id="lab_meso_SeriesNinetyOneMember_label_en-US" xlink:label="lab_meso_SeriesNinetyOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Ninety One [Member]</link:label>
    <link:label id="lab_meso_SeriesNinetyOneMember_documentation_en-US" xlink:label="lab_meso_SeriesNinetyOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Ninety One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesNinetyOneMember" xlink:href="meso-20260630.xsd#meso_SeriesNinetyOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesNinetyOneMember" xlink:to="lab_meso_SeriesNinetyOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSixtyThreeMember_019f3528-b026-764d-8221-de624fdc0d82_terseLabel_en-US" xlink:label="lab_meso_SeriesSixtyThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">63</link:label>
    <link:label id="lab_meso_SeriesSixtyThreeMember_label_en-US" xlink:label="lab_meso_SeriesSixtyThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Sixty Three [Member]</link:label>
    <link:label id="lab_meso_SeriesSixtyThreeMember_documentation_en-US" xlink:label="lab_meso_SeriesSixtyThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 63.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSixtyThreeMember" xlink:href="meso-20260630.xsd#meso_SeriesSixtyThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSixtyThreeMember" xlink:to="lab_meso_SeriesSixtyThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_LegalPatentAndOtherProfessionalFees_019f3528-b026-7277-a405-335897e26b48_negatedLabel_en-US" xlink:label="lab_meso_LegalPatentAndOtherProfessionalFees" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Legal, patent and other professional fees</link:label>
    <link:label id="lab_meso_LegalPatentAndOtherProfessionalFees_label_en-US" xlink:label="lab_meso_LegalPatentAndOtherProfessionalFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Patent And Other Professional Fees</link:label>
    <link:label id="lab_meso_LegalPatentAndOtherProfessionalFees_documentation_en-US" xlink:label="lab_meso_LegalPatentAndOtherProfessionalFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expenditure directly attributable to Legal, patent and other professional fees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_LegalPatentAndOtherProfessionalFees" xlink:href="meso-20260630.xsd#meso_LegalPatentAndOtherProfessionalFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_LegalPatentAndOtherProfessionalFees" xlink:to="lab_meso_LegalPatentAndOtherProfessionalFees" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AddressTypeDomain_019f3528-b0c3-72ee-93f0-61eef5f20e03_terseLabel_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Address Type</link:label>
    <link:label id="lab_dei_AddressTypeDomain_label_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Address Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AddressTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AddressTypeDomain" xlink:to="lab_dei_AddressTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_MinimumFinancialCommitmentOfLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm_019f3528-b14c-7090-9826-38e2f17fa0b6_terseLabel_en-US" xlink:label="lab_meso_MinimumFinancialCommitmentOfLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum financial commitment of lease component on exercise of option to extend non-cancellable term</link:label>
    <link:label id="lab_meso_MinimumFinancialCommitmentOfLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm_label_en-US" xlink:label="lab_meso_MinimumFinancialCommitmentOfLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Financial Commitment Of Lease Component On Exercise Of Option To Extend Non Cancellable Term</link:label>
    <link:label id="lab_meso_MinimumFinancialCommitmentOfLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm_documentation_en-US" xlink:label="lab_meso_MinimumFinancialCommitmentOfLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum financial commitment of lease component on exercise of option to extend non-cancellable term.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_MinimumFinancialCommitmentOfLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:href="meso-20260630.xsd#meso_MinimumFinancialCommitmentOfLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_MinimumFinancialCommitmentOfLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:to="lab_meso_MinimumFinancialCommitmentOfLeaseComponentOnExerciseOfOptionToExtendNonCancellableTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_SeriesSeventyEightMember_019f3528-b14c-73fa-a625-c6e961f32040_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyEightMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">78</link:label>
    <link:label id="lab_meso_SeriesSeventyEightMember_label_en-US" xlink:label="lab_meso_SeriesSeventyEightMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Eight [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyEightMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyEightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Seventy Eight</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyEightMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyEightMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyEightMember" xlink:to="lab_meso_SeriesSeventyEightMember" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_Series39aMember_019f3528-b0c3-7a93-ac4a-0246d3947ae7_terseLabel_en-US" xlink:label="lab_meso_Series39aMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">39a</link:label>
    <link:label id="lab_meso_Series39aMember_label_en-US" xlink:label="lab_meso_Series39aMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series 39a [Member]</link:label>
    <link:label id="lab_meso_Series39aMember_documentation_en-US" xlink:label="lab_meso_Series39aMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 39a.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_Series39aMember" xlink:href="meso-20260630.xsd#meso_Series39aMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_Series39aMember" xlink:to="lab_meso_Series39aMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_019f3528-af4f-727a-9ceb-63f767083e9b_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_019f3528-af4f-73e5-85dc-7a549c31bf5c_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_PurchasesOfGoodsRelatedPartyTransactions_019fd856-f380-7198-84f3-4330add1e29f_terseLabel_en-US" xlink:label="lab_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase of goods and services</link:label>
    <link:label id="lab_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions_label_en-US" xlink:label="lab_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchases of goods, related party transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchasesOfGoodsRelatedPartyTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xlink:to="lab_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwillAbstract_019f6934-42a7-791a-a0d1-7d88f0e84c6a_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 [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_meso_SeriesSeventyNineOneMember_019f3528-b0c3-73f3-8224-d6040a5fe9ca_terseLabel_en-US" xlink:label="lab_meso_SeriesSeventyNineOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">79</link:label>
    <link:label id="lab_meso_SeriesSeventyNineOneMember_label_en-US" xlink:label="lab_meso_SeriesSeventyNineOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Seventy Nine One [Member]</link:label>
    <link:label id="lab_meso_SeriesSeventyNineOneMember_documentation_en-US" xlink:label="lab_meso_SeriesSeventyNineOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series Seventy Nine One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesSeventyNineOneMember" xlink:href="meso-20260630.xsd#meso_SeriesSeventyNineOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesSeventyNineOneMember" xlink:to="lab_meso_SeriesSeventyNineOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CurrencyAxis_019f3528-b025-7647-84ad-e5ea279d6198_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</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_meso_DisclosureOfLossBeforeIncomeTaxExplanatoryTableTextBlock_019f3528-af4f-7fde-ac4f-06c2efd50684_terseLabel_en-US" xlink:label="lab_meso_DisclosureOfLossBeforeIncomeTaxExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Loss Before Income Tax</link:label>
    <link:label id="lab_meso_DisclosureOfLossBeforeIncomeTaxExplanatoryTableTextBlock_label_en-US" xlink:label="lab_meso_DisclosureOfLossBeforeIncomeTaxExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Loss Before Income Tax Explanatory [Table Text Block]</link:label>
    <link:label id="lab_meso_DisclosureOfLossBeforeIncomeTaxExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_meso_DisclosureOfLossBeforeIncomeTaxExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of loss before income tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_DisclosureOfLossBeforeIncomeTaxExplanatoryTableTextBlock" xlink:href="meso-20260630.xsd#meso_DisclosureOfLossBeforeIncomeTaxExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_DisclosureOfLossBeforeIncomeTaxExplanatoryTableTextBlock" xlink:to="lab_meso_DisclosureOfLossBeforeIncomeTaxExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_019f3528-b0c3-777b-bd76-182cee1891ce_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">Total basic (losses) per share attributable to the ordinary equity holders of the company (in USD per share)</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_meso_SeriesFortyNineAMember_019f3528-b026-7e40-89b7-ee31e36f5b83_terseLabel_en-US" xlink:label="lab_meso_SeriesFortyNineAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">49a</link:label>
    <link:label id="lab_meso_SeriesFortyNineAMember_label_en-US" xlink:label="lab_meso_SeriesFortyNineAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series Forty Nine A [Member]</link:label>
    <link:label id="lab_meso_SeriesFortyNineAMember_documentation_en-US" xlink:label="lab_meso_SeriesFortyNineAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series 49a.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_SeriesFortyNineAMember" xlink:href="meso-20260630.xsd#meso_SeriesFortyNineAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_SeriesFortyNineAMember" xlink:to="lab_meso_SeriesFortyNineAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityDomain_019f3528-b025-799a-88f1-32ab9f474ace_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</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_meso_InterestBearingDepositsAtCallHeldAsSecurity_019f3528-b0c3-712d-9bf5-1670f612fdb7_terseLabel_en-US" xlink:label="lab_meso_InterestBearingDepositsAtCallHeldAsSecurity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest-bearing deposits at call held as security</link:label>
    <link:label id="lab_meso_InterestBearingDepositsAtCallHeldAsSecurity_label_en-US" xlink:label="lab_meso_InterestBearingDepositsAtCallHeldAsSecurity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Bearing Deposits At Call Held As Security</link:label>
    <link:label id="lab_meso_InterestBearingDepositsAtCallHeldAsSecurity_documentation_en-US" xlink:label="lab_meso_InterestBearingDepositsAtCallHeldAsSecurity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest bearing deposits at call held as security.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_InterestBearingDepositsAtCallHeldAsSecurity" xlink:href="meso-20260630.xsd#meso_InterestBearingDepositsAtCallHeldAsSecurity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_meso_InterestBearingDepositsAtCallHeldAsSecurity" xlink:to="lab_meso_InterestBearingDepositsAtCallHeldAsSecurity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_019f3528-b0c3-7628-a308-d7d11f7b80ff_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">Summary of Group's Principal 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_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory_019f3528-b0c3-78c0-ac78-8161e2fe78ce_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Parent entity financial information</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information about separate financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_meso_ContingentConsiderationProvisionMember_019f3528-b0c3-7b2c-b748-e4e50d32c527_terseLabel_en-US" xlink:label="lab_meso_ContingentConsiderationProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration provision</link:label>
    <link:label id="lab_meso_ContingentConsiderationProvisionMember_label_en-US" xlink:label="lab_meso_ContingentConsiderationProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration Provision [Member]</link:label>
    <link:label id="lab_meso_ContingentConsiderationProvisionMember_documentation_en-US" xlink:label="lab_meso_ContingentConsiderationProvisionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent consideration provision.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ContingentConsiderationProvisionMember" xlink:href="meso-20260630.xsd#meso_ContingentConsiderationProvisionMember"/>
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    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis_019f3528-af4f-7097-84dc-1663622e2f47_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_meso_ContributionsOfEquityDuringPeriodShares_019f3528-b0c3-7a49-b53c-33ff986ca05c_terseLabel_en-US" xlink:label="lab_meso_ContributionsOfEquityDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total contributions of equity during the period, (in shares)</link:label>
    <link:label id="lab_meso_ContributionsOfEquityDuringPeriodShares_label_en-US" xlink:label="lab_meso_ContributionsOfEquityDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contributions Of Equity During Period, Shares</link:label>
    <link:label id="lab_meso_ContributionsOfEquityDuringPeriodShares_documentation_en-US" xlink:label="lab_meso_ContributionsOfEquityDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contributions of equity during period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_meso_ContributionsOfEquityDuringPeriodShares" xlink:href="meso-20260630.xsd#meso_ContributionsOfEquityDuringPeriodShares"/>
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    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable_019f3528-b0c3-7343-ba17-9be186aa6997_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Reconciliation Of Liabilities Arising From Financing Activities [Table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [table]</link:label>
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