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<!--Created on: 3/26/2026 9:25:02 AM-->
<!--Modified on: 3/26/2026 9:25:03 AM-->
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    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentReceivablesDueFromRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current receivables due from related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentReceivablesDueFromRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Receivables from related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncurrentReceivablesDueFromRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Receivables, Non-Current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentAssets" xlink:label="ifrs-full_OtherNoncurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentAssets" xlink:to="ifrs-full_OtherNoncurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherNoncurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherNoncurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_NoncurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NoncurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total non-current assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssetsAbstract" xlink:label="ifrs-full_CurrentAssetsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssetsAbstract" xlink:to="ifrs-full_CurrentAssetsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Inventories" xlink:label="ifrs-full_Inventories" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Inventories" xlink:to="ifrs-full_Inventories_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Inventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTradeReceivables" xlink:label="ifrs-full_CurrentTradeReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTradeReceivables" xlink:to="ifrs-full_CurrentTradeReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTradeReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current trade receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="ifrs-full_CurrentTradeReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at December 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="ifrs-full_CurrentTradeReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at January 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTradeReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentReceivables" xlink:label="ifrs-full_OtherCurrentReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentReceivables" xlink:to="ifrs-full_OtherCurrentReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total other receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxAssetsCurrent" xlink:label="ifrs-full_CurrentTaxAssetsCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxAssetsCurrent" xlink:to="ifrs-full_CurrentTaxAssetsCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxAssetsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current tax assets, current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxAssetsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current income tax assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentFinancialAssets" xlink:label="ifrs-full_OtherCurrentFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentFinancialAssets" xlink:to="ifrs-full_OtherCurrentFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current other financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherCurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentAssets" xlink:label="ifrs-full_OtherCurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentAssets" xlink:to="ifrs-full_OtherCurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentRestrictedCashAndCashEquivalents" xlink:label="ifrs-full_CurrentRestrictedCashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentRestrictedCashAndCashEquivalents" xlink:to="ifrs-full_CurrentRestrictedCashAndCashEquivalents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentRestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current restricted cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentRestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentRestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted cash and cash equivalents presented as Cash</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="ifrs-full_CashAndCashEquivalents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ending balance of cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Beginning balance of cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssets" xlink:label="ifrs-full_CurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total current assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_Assets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Assets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Assets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilitiesAbstract" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="ifrs-full_EquityAndLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity and liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">EQUITY AND LIABILITIES</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAbstract" xlink:label="ifrs-full_EquityAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_EquityAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapital" xlink:label="ifrs-full_IssuedCapital" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssuedCapital" xlink:to="ifrs-full_IssuedCapital_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issued capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_IssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issue of share capital</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SharePremium" xlink:label="ifrs-full_SharePremium" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharePremium" xlink:to="ifrs-full_SharePremium_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SharePremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Premium</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasuryShares" xlink:label="ifrs-full_TreasuryShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TreasuryShares" xlink:to="ifrs-full_TreasuryShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TreasuryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treasury shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_TreasuryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treasury Shares</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReserves" xlink:label="ifrs-full_OtherReserves" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherReserves" xlink:to="ifrs-full_OtherReserves_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherReserves_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other reserves</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherReserves_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserves</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherReserves_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Reserves</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:to="ifrs-full_ReserveOfExchangeDifferencesOnTranslation_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserve of exchange differences on translation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Translation differences</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AccumulatedValuationAdjustments" xlink:label="gsm_AccumulatedValuationAdjustments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AccumulatedValuationAdjustments" xlink:to="gsm_AccumulatedValuationAdjustments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AccumulatedValuationAdjustments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total amount of valuation adjustments as of the period end.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AccumulatedValuationAdjustments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated Valuation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AccumulatedValuationAdjustments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Valuation adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_AccumulatedValuationAdjustments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Valuation adjustments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xlink:label="ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xlink:to="ifrs-full_RetainedEarningsProfitLossForReportingPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarningsProfitLossForReportingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retained earnings, profit (loss) for reporting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RetainedEarningsProfitLossForReportingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Result attributable to the Parent</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_EquityAttributableToOwnersOfParent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity attributable to owners of parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity attributable to the Parent</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterests" xlink:to="ifrs-full_NoncontrollingInterests_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at December 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at January 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-controlling interests</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total equity</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilitiesAbstract" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="ifrs-full_NoncurrentLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredIncomeOtherThanContractLiabilities" xlink:label="ifrs-full_DeferredIncomeOtherThanContractLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredIncomeOtherThanContractLiabilities" xlink:to="ifrs-full_DeferredIncomeOtherThanContractLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredIncomeOtherThanContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredIncomeOtherThanContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_DeferredIncomeOtherThanContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentProvisions" xlink:label="ifrs-full_NoncurrentProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentProvisions" xlink:to="ifrs-full_NoncurrentProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:label="ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:to="ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current net defined benefit liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for pensions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non- Current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermBorrowings" xlink:label="ifrs-full_LongtermBorrowings" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LongtermBorrowings" xlink:to="ifrs-full_LongtermBorrowings_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LongtermBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-Current Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LongtermBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank borrowings</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLeaseLiabilities" xlink:label="ifrs-full_NoncurrentLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLeaseLiabilities" xlink:to="ifrs-full_NoncurrentLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NoncurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-Current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:to="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current derivative financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial instruments Non -current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial liabilities.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:label="ifrs-full_OtherNoncurrentFinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:to="ifrs-full_OtherNoncurrentFinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherNoncurrentFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherNoncurrentFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-Current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDeferredTaxLiabilities" xlink:label="ifrs-full_NetDeferredTaxLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetDeferredTaxLiabilities" xlink:to="ifrs-full_NetDeferredTaxLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetDeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net deferred tax liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_NetDeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total deferred tax liabilities due to temporary differences recognized in the statement of financial position</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NetDeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentLiabilities" xlink:label="ifrs-full_OtherNoncurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentLiabilities" xlink:to="ifrs-full_OtherNoncurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherNoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Non-current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherNoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="ifrs-full_NoncurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_NoncurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total non-current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilitiesAbstract" xlink:label="ifrs-full_CurrentLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilitiesAbstract" xlink:to="ifrs-full_CurrentLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentProvisions" xlink:label="ifrs-full_CurrentProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentProvisions" xlink:to="ifrs-full_CurrentProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:label="ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:to="ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current net defined benefit liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for pensions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermBorrowings" xlink:label="ifrs-full_ShorttermBorrowings" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermBorrowings" xlink:to="ifrs-full_ShorttermBorrowings_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShorttermBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShorttermBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ShorttermBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Amount</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLeaseLiabilities" xlink:label="ifrs-full_CurrentLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLeaseLiabilities" xlink:to="ifrs-full_CurrentLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_CurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentDebtInstrumentsIssued" xlink:label="ifrs-full_CurrentDebtInstrumentsIssued" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentDebtInstrumentsIssued" xlink:to="ifrs-full_CurrentDebtInstrumentsIssued_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentDebtInstrumentsIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current debt instruments issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentDebtInstrumentsIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentDebtInstrumentsIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount due for settlement within 12 months</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentFinancialLiabilities" xlink:label="ifrs-full_OtherCurrentFinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentFinancialLiabilities" xlink:to="ifrs-full_OtherCurrentFinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherCurrentFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current payables to related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payables, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payables to related parties</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayables" xlink:label="ifrs-full_TradeAndOtherCurrentPayables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentPayables" xlink:to="ifrs-full_TradeAndOtherCurrentPayables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other current payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_TradeAndOtherCurrentPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other payables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:label="ifrs-full_CurrentTaxLiabilitiesCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:to="ifrs-full_CurrentTaxLiabilitiesCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxLiabilitiesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current tax liabilities, current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxLiabilitiesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income tax liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentLiabilities" xlink:label="ifrs-full_OtherCurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentLiabilities" xlink:to="ifrs-full_OtherCurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilities" xlink:label="ifrs-full_CurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_EquityAndLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAndLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EquityAndLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total equity and liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeStatementAbstract" xlink:label="ifrs-full_IncomeStatementAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_IncomeStatementAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeStatementAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CONSOLIDATED INCOME STATEMENTS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAbstract" xlink:label="ifrs-full_ProfitLossAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAbstract" xlink:to="ifrs-full_ProfitLossAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss) [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromContractsWithCustomers" xlink:label="ifrs-full_RevenueFromContractsWithCustomers" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueFromContractsWithCustomers" xlink:to="ifrs-full_RevenueFromContractsWithCustomers_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueFromContractsWithCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue from contracts with customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RevenueFromContractsWithCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RawMaterialsAndConsumablesUsed" xlink:label="ifrs-full_RawMaterialsAndConsumablesUsed" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RawMaterialsAndConsumablesUsed" xlink:to="ifrs-full_RawMaterialsAndConsumablesUsed_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RawMaterialsAndConsumablesUsed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw materials and consumables used</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_RawMaterialsAndConsumablesUsed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw materials and energy consumption for production1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_RawMaterialsAndConsumablesUsed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Raw materials and energy consumption for production</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherIncome" xlink:label="ifrs-full_OtherIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherIncome" xlink:to="ifrs-full_OtherIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total other operating income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="ifrs-full_EmployeeBenefitsExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EmployeeBenefitsExpense" xlink:to="ifrs-full_EmployeeBenefitsExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EmployeeBenefitsExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Employee benefits expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_EmployeeBenefitsExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Staff costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EmployeeBenefitsExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Staff costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherExpenseByNature" xlink:label="ifrs-full_OtherExpenseByNature" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherExpenseByNature_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other expenses, by nature</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_OtherExpenseByNature_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherExpenseByNature_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpense" xlink:label="ifrs-full_DepreciationAndAmortisationExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationAndAmortisationExpense" xlink:to="ifrs-full_DepreciationAndAmortisationExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationAndAmortisationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and amortisation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DepreciationAndAmortisationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_DepreciationAndAmortisationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and amortization charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_DepreciationAndAmortisationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:label="ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss recognised in profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss (gain)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss (gain)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherGainsLosses" xlink:label="ifrs-full_OtherGainsLosses" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherGainsLosses" xlink:to="ifrs-full_OtherGainsLosses_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherGainsLosses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other gains (losses)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherGainsLosses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other gain (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherGainsLosses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other (loss) gain</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="ifrs-full_ProfitLossFromOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_ProfitLossFromOperatingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss) from operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossFromOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating (loss) profit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossFromOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating profit</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncome" xlink:label="ifrs-full_FinanceIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinanceIncome" xlink:to="ifrs-full_FinanceIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_FinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceCosts" xlink:label="ifrs-full_FinanceCosts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinanceCosts" xlink:to="ifrs-full_FinanceCosts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_FinanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_FinanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:to="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign exchange gain (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ProfitLossBeforeTax_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossBeforeTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss) before tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossBeforeTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit before tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLossBeforeTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">(Loss) profit before tax</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax expense (income), continuing operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income tax expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income tax benefit (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income tax expense</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">(Loss) profit for the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Profit for the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Profit for the year</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss), attributable to owners of parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit for the year attributable to the Parent</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss), attributable to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss) for the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">(Loss) Profit attributable to non-controlling interests</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareAbstract" xlink:label="ifrs-full_EarningsPerShareAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EarningsPerShareAbstract" xlink:to="ifrs-full_EarningsPerShareAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EarningsPerShareAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earnings per ordinary share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EarningsPerShareAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earnings per share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageShares" xlink:label="ifrs-full_WeightedAverageShares" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average number of ordinary shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average number of diluted shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WeightedAverageShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average number of basic shares outstanding</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustedWeightedAverageShares" xlink:label="ifrs-full_AdjustedWeightedAverageShares" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustedWeightedAverageShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjusted weighted average number of ordinary shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustedWeightedAverageShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average number of dilutive shares outstanding</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other comprehensive income that will not be reclassified to profit or loss, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total income (expense) that will not be reclassified subsequently to profit (loss)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Items that may be reclassified subsequently to income or loss:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:label="ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flow hedge accounting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unrealized gain (loss) recognized in other comprehensive loss</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax effect</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other comprehensive (loss) profit for the year, net of income tax</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Comprehensive profit for the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total comprehensive (loss) profit for the year</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Comprehensive income, attributable to owners of parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total comprehensive (loss) profit attributable to the Parent</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Comprehensive income, attributable to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total comprehensive (loss) profit attributable to non-controlling interests</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityAbstract" xlink:label="ifrs-full_StatementOfChangesInEquityAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="ifrs-full_StatementOfChangesInEquityAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfChangesInEquityAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="ifrs-full_StatementOfChangesInEquityTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfChangesInEquityTable" xlink:to="ifrs-full_StatementOfChangesInEquityTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfChangesInEquityTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statement of changes in equity [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="ifrs-full_ComponentsOfEquityAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_ComponentsOfEquityAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComponentsOfEquityAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Components of equity [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityDomain" xlink:label="ifrs-full_ComponentsOfEquityDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComponentsOfEquityDomain" xlink:to="ifrs-full_ComponentsOfEquityDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComponentsOfEquityDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Components of equity [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:label="ifrs-full_EquityAttributableToOwnersOfParentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_EquityAttributableToOwnersOfParentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAttributableToOwnersOfParentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity attributable to owners of parent.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapitalMember" xlink:label="ifrs-full_IssuedCapitalMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssuedCapitalMember" xlink:to="ifrs-full_IssuedCapitalMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssuedCapitalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IssuedCapitalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Capital</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SharePremiumMember" xlink:label="ifrs-full_SharePremiumMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharePremiumMember" xlink:to="ifrs-full_SharePremiumMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SharePremiumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share premium [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SharePremiumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Premium</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasurySharesMember" xlink:label="ifrs-full_TreasurySharesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TreasurySharesMember" xlink:to="ifrs-full_TreasurySharesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TreasurySharesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treasury shares [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TreasurySharesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treasury shares</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReservesMember" xlink:label="ifrs-full_OtherReservesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherReservesMember" xlink:to="ifrs-full_OtherReservesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherReservesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserves</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherReservesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserves</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:to="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Translation Difference</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Translation Difference</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ValuationAdjustmentsMember" xlink:label="gsm_ValuationAdjustmentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ValuationAdjustmentsMember" xlink:to="gsm_ValuationAdjustmentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ValuationAdjustmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a component of equity representing valuation adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ValuationAdjustmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Valuation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ValuationAdjustmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Valuation Adjustments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ProfitForPeriodAttributableToParentMember" xlink:label="gsm_ProfitForPeriodAttributableToParentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ProfitForPeriodAttributableToParentMember" xlink:to="gsm_ProfitForPeriodAttributableToParentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ProfitForPeriodAttributableToParentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the portion of total equity representing net profit or loss attributable to parent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ProfitForPeriodAttributableToParentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Result for the Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ProfitForPeriodAttributableToParentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Result for the Year</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterestsMember" xlink:label="ifrs-full_NoncontrollingInterestsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterestsMember" xlink:to="ifrs-full_NoncontrollingInterestsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncontrollingInterestsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Noncontrolling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncontrollingInterestsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-controlling Interests</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_StatementOfChangesInEquityLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statement of changes in equity [line items]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsSharesOutstanding" xlink:label="gsm_IfrsSharesOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsSharesOutstanding" xlink:to="gsm_IfrsSharesOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of shares that have been authorised and issued, reduced by treasury shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="gsm_IfrsSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shares outstanding at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="gsm_IfrsSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shares outstanding at beginning of period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssued" xlink:label="ifrs-full_NumberOfSharesIssued" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssued" xlink:to="ifrs-full_NumberOfSharesIssued_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfSharesIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shares issued (in shares)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through share-based payment transactions, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share-based compensation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransferToStatutoryReserve" xlink:label="ifrs-full_IncreaseDecreaseThroughTransferToStatutoryReserve" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughTransferToStatutoryReserve" xlink:to="ifrs-full_IncreaseDecreaseThroughTransferToStatutoryReserve_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTransferToStatutoryReserve_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through transfer to statutory reserve, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTransferToStatutoryReserve_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recording of profit/ (loss) in reserves</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTransferToStatutoryReserve_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recording of profit in reserves</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfTreasuryShares" xlink:label="ifrs-full_PurchaseOfTreasuryShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PurchaseOfTreasuryShares" xlink:to="ifrs-full_PurchaseOfTreasuryShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PurchaseOfTreasuryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PurchaseOfTreasuryShares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PurchaseOfTreasuryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Own shares acquired</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsPaid" xlink:label="ifrs-full_DividendsPaid" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsPaid" xlink:to="ifrs-full_DividendsPaid_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends recognised as distributions to owners</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DividendsPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" xlink:label="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" xlink:to="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends recognised as distributions to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid non-controlling interest</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:to="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through other changes, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other changes</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract" xlink:label="ifrs-full_StatementOfCashFlowsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfCashFlowsAbstract" xlink:to="ifrs-full_StatementOfCashFlowsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CONSOLIDATED STATEMENTS OF CASH FLOWS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) operating activities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from operating activities:</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AdjustmentForProfitForYear" xlink:label="gsm_AdjustmentForProfitForYear" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AdjustmentForProfitForYear" xlink:to="gsm_AdjustmentForProfitForYear_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AdjustmentForProfitForYear_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The total adjustment for profit for the year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AdjustmentForProfitForYear_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment For Profit For The Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AdjustmentForProfitForYear_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">(Loss) profit for the year</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AdjustmentsToReconcileNetProfitLossToNetCashProvidedByOperatingActivitiesAbstract" xlink:label="gsm_AdjustmentsToReconcileNetProfitLossToNetCashProvidedByOperatingActivitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AdjustmentsToReconcileNetProfitLossToNetCashProvidedByOperatingActivitiesAbstract" xlink:to="gsm_AdjustmentsToReconcileNetProfitLossToNetCashProvidedByOperatingActivitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AdjustmentsToReconcileNetProfitLossToNetCashProvidedByOperatingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AdjustmentsToReconcileNetProfitLossToNetCashProvidedByOperatingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments To Reconcile Net Profit Loss To Net Cash Provided By Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AdjustmentsToReconcileNetProfitLossToNetCashProvidedByOperatingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments to reconcile net profit to net cash provided by operating activities:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:to="ifrs-full_AdjustmentsForIncomeTaxExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for income tax expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income tax expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income tax (benefit) expense</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:label="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:to="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for depreciation and amortisation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and amortization</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForFinanceIncome" xlink:label="ifrs-full_AdjustmentsForFinanceIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForFinanceIncome" xlink:to="ifrs-full_AdjustmentsForFinanceIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForFinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for finance income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_AdjustmentsForFinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForFinanceCosts" xlink:label="ifrs-full_AdjustmentsForFinanceCosts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForFinanceCosts" xlink:to="ifrs-full_AdjustmentsForFinanceCosts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForFinanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for finance costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForFinanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:to="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for unrealised foreign exchange losses (gains)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment (gain) loss</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForSharebasedPayments" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for share-based payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share-based compensation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:label="ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:to="ifrs-full_OtherAdjustmentsToReconcileProfitLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherAdjustmentsToReconcileProfitLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other adjustments to reconcile profit (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherAdjustmentsToReconcileProfitLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other (gain) loss</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AdjustmentsForWriteDownOfInventoriesToNetRealizableValue" xlink:label="gsm_AdjustmentsForWriteDownOfInventoriesToNetRealizableValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AdjustmentsForWriteDownOfInventoriesToNetRealizableValue" xlink:to="gsm_AdjustmentsForWriteDownOfInventoriesToNetRealizableValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AdjustmentsForWriteDownOfInventoriesToNetRealizableValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for Write Down Of Inventories To Net Realizable Value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AdjustmentsForWriteDownOfInventoriesToNetRealizableValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for Write Down Of Inventories To Net Realizable Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AdjustmentsForWriteDownOfInventoriesToNetRealizableValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Write downs of inventories to net realizable value</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AdjustmentsForChangeInFairValueOfDerivativesNotDesignatedAsHedgingInstruments" xlink:label="gsm_AdjustmentsForChangeInFairValueOfDerivativesNotDesignatedAsHedgingInstruments" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AdjustmentsForChangeInFairValueOfDerivativesNotDesignatedAsHedgingInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for Change In Fair value Of Derivatives Not Designated As hedging Instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AdjustmentsForChangeInFairValueOfDerivativesNotDesignatedAsHedgingInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for Change In Fair value Of Derivatives Not Designated As hedging Instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AdjustmentsForChangeInFairValueOfDerivativesNotDesignatedAsHedgingInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Change in fair value of derivatives not designated as hedging instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInWorkingCapitalAbstract" xlink:label="gsm_IncreaseDecreaseInWorkingCapitalAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInWorkingCapitalAbstract" xlink:to="gsm_IncreaseDecreaseInWorkingCapitalAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInWorkingCapitalAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInWorkingCapitalAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Working Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInWorkingCapitalAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Changes in operating assets and liabilities:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for decrease (increase) in inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease (increase) in inventories</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for decrease (increase) in trade accounts receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease (increase) in trade receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for decrease (increase) in other operating receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease (increase) in other receivables</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AdjustmentForDecreaseIncreaseInEnergyReceivable" xlink:label="gsm_AdjustmentForDecreaseIncreaseInEnergyReceivable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AdjustmentForDecreaseIncreaseInEnergyReceivable" xlink:to="gsm_AdjustmentForDecreaseIncreaseInEnergyReceivable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AdjustmentForDecreaseIncreaseInEnergyReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for decrease (increase) in energy receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AdjustmentForDecreaseIncreaseInEnergyReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment For Decrease Increase In Energy Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AdjustmentForDecreaseIncreaseInEnergyReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease (increase) in energy receivable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for increase (decrease) in trade accounts payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">(Decrease) increase in trade payables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:to="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other inflows (outflows) of cash, classified as operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other changes in operating assets and liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:to="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income taxes paid (refund), classified as operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income tax received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income taxes paid</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows provided by (used in) operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash provided by operating activities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) investing activities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from investing activities:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:label="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:to="ifrs-full_InterestReceivedClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestReceivedClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest received, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestReceivedClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest and finance income received</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OutflowsOfCashFromInvestingActivitiesAbstract" xlink:label="gsm_OutflowsOfCashFromInvestingActivitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OutflowsOfCashFromInvestingActivitiesAbstract" xlink:to="gsm_OutflowsOfCashFromInvestingActivitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OutflowsOfCashFromInvestingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OutflowsOfCashFromInvestingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Outflows Of Cash From Investing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OutflowsOfCashFromInvestingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments due to investments:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:to="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase of intangible assets, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase of property, plant and equipment, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PurchaseOfNonCurrentFinancialAssetsClassifiedAsInvestingActivities" xlink:label="gsm_PurchaseOfNonCurrentFinancialAssetsClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PurchaseOfNonCurrentFinancialAssetsClassifiedAsInvestingActivities" xlink:to="gsm_PurchaseOfNonCurrentFinancialAssetsClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PurchaseOfNonCurrentFinancialAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash outflow for the purchases of non-current financial assets, classified as investing activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PurchaseOfNonCurrentFinancialAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Of Non Current Financial Assets Classified As Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="gsm_PurchaseOfNonCurrentFinancialAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InflowsOfCashFromInvestingActivitiesAbstract" xlink:label="gsm_InflowsOfCashFromInvestingActivitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InflowsOfCashFromInvestingActivitiesAbstract" xlink:to="gsm_InflowsOfCashFromInvestingActivitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InflowsOfCashFromInvestingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InflowsOfCashFromInvestingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inflows Of Cash From Investing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_InflowsOfCashFromInvestingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposals:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:label="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:to="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from sales of other long-term assets, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities" xlink:label="ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities" xlink:to="ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from government grants, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Receipt of asset-related government grant</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows used in investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash used in investing activities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) financing activities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from financing activities:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:to="ifrs-full_DividendsPaidClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PaymentsForDebtAndEquityIssuanceCosts" xlink:label="gsm_PaymentsForDebtAndEquityIssuanceCosts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PaymentsForDebtAndEquityIssuanceCosts" xlink:to="gsm_PaymentsForDebtAndEquityIssuanceCosts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PaymentsForDebtAndEquityIssuanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash outflow from the issuing of debt and equity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PaymentsForDebtAndEquityIssuanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments For Debt And Equity Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_PaymentsForDebtAndEquityIssuanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payment for debt and equity issuance costs</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RepaymentsOfDebtInstrumentsClassifiedAsFinancingActivities" xlink:label="gsm_RepaymentsOfDebtInstrumentsClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RepaymentsOfDebtInstrumentsClassifiedAsFinancingActivities" xlink:to="gsm_RepaymentsOfDebtInstrumentsClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RepaymentsOfDebtInstrumentsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash outflow from the repayment of debt instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RepaymentsOfDebtInstrumentsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayments Of Debt Instruments Classified As Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_RepaymentsOfDebtInstrumentsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment of debt instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ProceedsFromDebtIssuanceClassifiedAsFinancingActivities" xlink:label="gsm_ProceedsFromDebtIssuanceClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ProceedsFromDebtIssuanceClassifiedAsFinancingActivities" xlink:to="gsm_ProceedsFromDebtIssuanceClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ProceedsFromDebtIssuanceClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash inflow from the issuing of debt classified as financing activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ProceedsFromDebtIssuanceClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds From Debt Issuance Classified As Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ProceedsFromDebtIssuanceClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from debt issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_ProceedsFromDebtIssuanceClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from debt instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowingsAbstract" xlink:label="gsm_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowingsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowingsAbstract" xlink:to="gsm_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowingsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowingsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowingsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash Flows From Used In Increase Decrease In Current Borrowings [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowingsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in bank borrowings:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from borrowings, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from borrowings</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayments of borrowings, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment of debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repaid</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments of lease liabilities, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments for lease liabilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InflowsOutflowsFromOtherFinancingLiabilities" xlink:label="gsm_InflowsOutflowsFromOtherFinancingLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InflowsOutflowsFromOtherFinancingLiabilities" xlink:to="gsm_InflowsOutflowsFromOtherFinancingLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InflowsOutflowsFromOtherFinancingLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inflows (outflows) of cash, from other liabilities classified as financing activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InflowsOutflowsFromOtherFinancingLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inflows Outflows From Other Financing Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_InflowsOutflowsFromOtherFinancingLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from other financing liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" xlink:to="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other inflows (outflows) of cash, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other (payments) receipts from financing activities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:to="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments to acquire or redeem entity's shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments to acquire own shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total consideration</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:to="ifrs-full_InterestPaidClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest paid, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued and unpaid interest paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued default interest paid</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows(used in) provided by financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash used in financing activities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in cash and cash equivalents before effect of exchange rate changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total net increase (decrease) in cash and cash equivalents</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_CashAndCashEquivalentsAndRestrictedCash_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RestrictedCashAndCashEquivalents" xlink:label="ifrs-full_RestrictedCashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GeneralInformationAbstract" xlink:label="gsm_GeneralInformationAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GeneralInformationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GeneralInformationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General Information</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:label="ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of general information about financial statements [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General information</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfOrganizationAndSubsidiariesAbstract" xlink:label="gsm_DisclosureOfOrganizationAndSubsidiariesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfOrganizationAndSubsidiariesAbstract" xlink:to="gsm_DisclosureOfOrganizationAndSubsidiariesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfOrganizationAndSubsidiariesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfOrganizationAndSubsidiariesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization and Subsidiaries</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of subsidiaries [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization and Subsidiaries</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfBasisOfPresentationAndBasisOfConsolidationAbstract" xlink:label="gsm_DisclosureOfBasisOfPresentationAndBasisOfConsolidationAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfBasisOfPresentationAndBasisOfConsolidationAbstract" xlink:to="gsm_DisclosureOfBasisOfPresentationAndBasisOfConsolidationAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfBasisOfPresentationAndBasisOfConsolidationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfBasisOfPresentationAndBasisOfConsolidationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basis of presentation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:label="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:to="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of basis of preparation of financial statements [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basis of presentation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract" xlink:to="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accounting policies.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:label="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accounting policies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Segment reporting</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:label="ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of entity's operating segments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Segment reporting</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillAbstract" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillAbstract" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Goodwill.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGoodwillExplanatory" xlink:label="ifrs-full_DisclosureOfGoodwillExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of goodwill [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Goodwill</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible assets.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:label="ifrs-full_DisclosureOfFinancialAssetsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets and other receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfFinancialAssetsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial assets [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinancialAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets and other receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfInventoriesAbstract" xlink:label="ifrs-full_ClassesOfInventoriesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfInventoriesAbstract" xlink:to="ifrs-full_ClassesOfInventoriesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfInventoriesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInventoriesExplanatory" xlink:label="ifrs-full_DisclosureOfInventoriesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInventoriesExplanatory" xlink:to="ifrs-full_DisclosureOfInventoriesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInventoriesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of inventories [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfInventoriesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherAssetAbstract" xlink:label="gsm_OtherAssetAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherAssetAbstract" xlink:to="gsm_OtherAssetAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherAssetAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherAssetAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfOtherAssetsTextBlock" xlink:label="gsm_DisclosureOfOtherAssetsTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfOtherAssetsTextBlock" xlink:to="gsm_DisclosureOfOtherAssetsTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfOtherAssetsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure for other assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfOtherAssetsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other assets [text block].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfOtherAssetsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:label="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:to="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of share capital, reserves and other equity interest [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:label="ifrs-full_DisclosureOfEarningsPerShareExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:to="ifrs-full_DisclosureOfEarningsPerShareExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfEarningsPerShareExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of earnings per share [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfEarningsPerShareExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earnings per ordinary share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredIncomeIncludingContractLiabilitiesAbstract" xlink:label="ifrs-full_DeferredIncomeIncludingContractLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredIncomeIncludingContractLiabilitiesAbstract" xlink:to="ifrs-full_DeferredIncomeIncludingContractLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredIncomeIncludingContractLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred income.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDeferredIncomeExplanatory" xlink:label="ifrs-full_DisclosureOfDeferredIncomeExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDeferredIncomeExplanatory" xlink:to="ifrs-full_DisclosureOfDeferredIncomeExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDeferredIncomeExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of deferred income [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDeferredIncomeExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:label="ifrs-full_DisclosureOfOtherProvisionsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:to="ifrs-full_DisclosureOfOtherProvisionsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherProvisionsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProvisionsExplanatory" xlink:label="ifrs-full_DisclosureOfProvisionsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfProvisionsExplanatory" xlink:to="ifrs-full_DisclosureOfProvisionsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfProvisionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of provisions [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfProvisionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ProvisionsForPensionAbstract" xlink:label="gsm_ProvisionsForPensionAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ProvisionsForPensionAbstract" xlink:to="gsm_ProvisionsForPensionAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ProvisionsForPensionAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ProvisionsForPensionAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for pensions</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ProvisionsForPensionTextBlock" xlink:label="gsm_ProvisionsForPensionTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ProvisionsForPensionTextBlock" xlink:to="gsm_ProvisionsForPensionTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ProvisionsForPensionTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure of provisions pursuant to pensions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ProvisionsForPensionTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions For Pension [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ProvisionsForPensionTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for pensions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank borrowings</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:label="ifrs-full_DisclosureOfBorrowingsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:to="ifrs-full_DisclosureOfBorrowingsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfBorrowingsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of borrowings [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfBorrowingsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank borrowings</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutLeasesForLesseeAbstract" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutLeasesForLesseeAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutLeasesForLesseeAbstract" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutLeasesForLesseeAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutLeasesForLesseeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Leases</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfLeasesExplanatory" xlink:label="ifrs-full_DisclosureOfLeasesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfLeasesExplanatory" xlink:to="ifrs-full_DisclosureOfLeasesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfLeasesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of leases [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfLeasesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Leases</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:label="ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:to="ifrs-full_DisclosureOfDebtSecuritiesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDebtSecuritiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of debt instruments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfDebtSecuritiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfOtherFinancialLiabilitiesAbstract" xlink:label="gsm_DisclosureOfOtherFinancialLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfOtherFinancialLiabilitiesAbstract" xlink:to="gsm_DisclosureOfOtherFinancialLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfOtherFinancialLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfOtherFinancialLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial liabilities.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:to="ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial liabilities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:label="ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of derivative financial instruments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Derivative financial instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherPayablesAbstract" xlink:label="ifrs-full_TradeAndOtherPayablesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherPayablesAbstract" xlink:to="ifrs-full_TradeAndOtherPayablesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherPayablesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade payables.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:label="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:to="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of trade and other payables [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade payables</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsOtherLiabilitiesAbstract" xlink:label="gsm_IfrsOtherLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsOtherLiabilitiesAbstract" xlink:to="gsm_IfrsOtherLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsOtherLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">N/A.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsOtherLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:label="ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:to="ifrs-full_DisclosureOfOtherLiabilitiesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other liabilities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:label="ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:to="ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax matters</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:label="ifrs-full_DisclosureOfIncomeTaxExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:to="ifrs-full_DisclosureOfIncomeTaxExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIncomeTaxExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of income tax [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfIncomeTaxExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax matters</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related party transactions and balances</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:label="ifrs-full_DisclosureOfRelatedPartyExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:to="ifrs-full_DisclosureOfRelatedPartyExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfRelatedPartyExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of related party [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfRelatedPartyExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related party transactions and balances</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfCommitmentsContingentAssetsAndLiabilitiesAbstract" xlink:label="gsm_DisclosureOfCommitmentsContingentAssetsAndLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfCommitmentsContingentAssetsAndLiabilitiesAbstract" xlink:to="gsm_DisclosureOfCommitmentsContingentAssetsAndLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfCommitmentsContingentAssetsAndLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfCommitmentsContingentAssetsAndLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantee commitments to third parties and contingent liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:label="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:to="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of commitments and contingent liabilities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantee commitments to third parties and contingent liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:label="ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:to="ifrs-full_AnalysisOfIncomeAndExpenseAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AnalysisOfIncomeAndExpenseAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income and expenses</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfIncomeAndExpensesTextBlock" xlink:label="gsm_DisclosureOfIncomeAndExpensesTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfIncomeAndExpensesTextBlock" xlink:to="gsm_DisclosureOfIncomeAndExpensesTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfIncomeAndExpensesTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure of income and expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfIncomeAndExpensesTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Income And Expenses [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfIncomeAndExpensesTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income and expenses</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelAbstract" xlink:label="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelAbstract" xlink:to="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remuneration of key management personnel</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelTextBlock" xlink:label="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelTextBlock" xlink:to="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure for remuneration and other benefits paid to key management personnel.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of remuneration and other benefits paid to key management personnel [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remuneration of key management personnel</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:to="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial risk management</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:label="ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:to="ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial risk management [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial risk management</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesAbstract" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialLiabilitiesAbstract" xlink:to="ifrs-full_DisclosureOfFinancialLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value measurement</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of fair value measurement [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value measurement</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherDisclosuresAbstract" xlink:label="gsm_OtherDisclosuresAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherDisclosuresAbstract" xlink:to="gsm_OtherDisclosuresAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherDisclosuresAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NA</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherDisclosuresAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other disclosures</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherDisclosuresTextBlock" xlink:label="gsm_OtherDisclosuresTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherDisclosuresTextBlock" xlink:to="gsm_OtherDisclosuresTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherDisclosuresTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure for other disclosures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherDisclosuresTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherDisclosuresTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other disclosures</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:to="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Events after the reporting period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:label="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfFinancialPositionOfParentCompanyOnlyAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Na</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfFinancialPositionOfParentCompanyOnlyAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule I</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfFinancialPositionOfParentCompanyOnlyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure for financial position of the parent company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfFinancialPositionOfParentCompanyOnlyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Financial Position of Parent Company Only [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfFinancialPositionOfParentCompanyOnlyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule I</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for goodwill [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Goodwill</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for intangible assets other than goodwill [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for property, plant and equipment [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for impairment of non-financial assets [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment of goodwill and long-lived assets (property, plant and equipment, intangible assets, right-of-use assets)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for financial instruments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for derivative financial instruments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial instruments and hedging activities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for fair value measurement [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value measurement</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for measuring inventories [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DescriptionOfAccountingPolicyForRawMaterialsAndEnergyConsumptionForProductionPolicyTextBlock" xlink:label="gsm_DescriptionOfAccountingPolicyForRawMaterialsAndEnergyConsumptionForProductionPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DescriptionOfAccountingPolicyForRawMaterialsAndEnergyConsumptionForProductionPolicyTextBlock" xlink:to="gsm_DescriptionOfAccountingPolicyForRawMaterialsAndEnergyConsumptionForProductionPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DescriptionOfAccountingPolicyForRawMaterialsAndEnergyConsumptionForProductionPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The description of the entity's accounting policy for  Raw materials and energy consumption for production.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DescriptionOfAccountingPolicyForRawMaterialsAndEnergyConsumptionForProductionPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description Of Accounting Policy For Raw Materials And Energy Consumption For Production [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DescriptionOfAccountingPolicyForRawMaterialsAndEnergyConsumptionForProductionPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw materials and energy consumption for production</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:label="ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for determining components of cash and cash equivalents [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for restricted cash and cash equivalents [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DescriptionOfAccountingPolicyForProvisionsAndContingenciesPolicyTextBlock" xlink:label="gsm_DescriptionOfAccountingPolicyForProvisionsAndContingenciesPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DescriptionOfAccountingPolicyForProvisionsAndContingenciesPolicyTextBlock" xlink:to="gsm_DescriptionOfAccountingPolicyForProvisionsAndContingenciesPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DescriptionOfAccountingPolicyForProvisionsAndContingenciesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The description of the entity's accounting policy for provisions and contingencies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DescriptionOfAccountingPolicyForProvisionsAndContingenciesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description Of Accounting Policy For Provisions And Contingencies [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DescriptionOfAccountingPolicyForProvisionsAndContingenciesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions and contingencies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for leases [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Leases</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DescriptionOfAccountingPolicyForDeterminingCurrentAssetsAndLiabilitiesPolicyTextBlock" xlink:label="gsm_DescriptionOfAccountingPolicyForDeterminingCurrentAssetsAndLiabilitiesPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DescriptionOfAccountingPolicyForDeterminingCurrentAssetsAndLiabilitiesPolicyTextBlock" xlink:to="gsm_DescriptionOfAccountingPolicyForDeterminingCurrentAssetsAndLiabilitiesPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DescriptionOfAccountingPolicyForDeterminingCurrentAssetsAndLiabilitiesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The description of the entity's accounting policy for current assets and liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DescriptionOfAccountingPolicyForDeterminingCurrentAssetsAndLiabilitiesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description Of Accounting Policy For Determining Current Assets And Liabilities [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DescriptionOfAccountingPolicyForDeterminingCurrentAssetsAndLiabilitiesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current assets and liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for income tax [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income taxes</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for foreign currency translation [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign currency transactions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for recognition of revenue [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue recognition</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForExpensesExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForExpensesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForExpensesExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForExpensesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForExpensesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for expenses [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForExpensesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expense recognition</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for government grants [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grants</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for termination benefits [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Termination benefits</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DescriptionOfAccountingPolicyForCarbonDioxideEmissionAllowancesPolicyTextBlock" xlink:label="gsm_DescriptionOfAccountingPolicyForCarbonDioxideEmissionAllowancesPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DescriptionOfAccountingPolicyForCarbonDioxideEmissionAllowancesPolicyTextBlock" xlink:to="gsm_DescriptionOfAccountingPolicyForCarbonDioxideEmissionAllowancesPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DescriptionOfAccountingPolicyForCarbonDioxideEmissionAllowancesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The description of the entity's accounting policy for carbon dioxide emission allowances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DescriptionOfAccountingPolicyForCarbonDioxideEmissionAllowancesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description Of Accounting Policy For Carbon Dioxide Emission Allowances [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DescriptionOfAccountingPolicyForCarbonDioxideEmissionAllowancesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carbon dioxide emission allowances</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for share-based payment transactions [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share-based compensation</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DescriptionOfAccountingPolicyForOtherIncomePolicyTextBlock" xlink:label="gsm_DescriptionOfAccountingPolicyForOtherIncomePolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DescriptionOfAccountingPolicyForOtherIncomePolicyTextBlock" xlink:to="gsm_DescriptionOfAccountingPolicyForOtherIncomePolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DescriptionOfAccountingPolicyForOtherIncomePolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The description of the entity's accounting policy for other income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DescriptionOfAccountingPolicyForOtherIncomePolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description Of Accounting Policy For Other Income [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DescriptionOfAccountingPolicyForOtherIncomePolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForCashFlowsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForCashFlowsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForCashFlowsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForCashFlowsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForCashFlowsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for cash flows [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForCashFlowsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated statements of cash flows</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xlink:label="ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xlink:to="ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of interests in subsidiaries [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of subsidiaries by business activity</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfUsefulLivesPropertyPlantAndEquipmentTableTextBlock" xlink:label="gsm_DisclosureOfUsefulLivesPropertyPlantAndEquipmentTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfUsefulLivesPropertyPlantAndEquipmentTableTextBlock" xlink:to="gsm_DisclosureOfUsefulLivesPropertyPlantAndEquipmentTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfUsefulLivesPropertyPlantAndEquipmentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of information regarding the useful lives of property, plant and equipment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfUsefulLivesPropertyPlantAndEquipmentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Useful Lives Property Plant And Equipment [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfUsefulLivesPropertyPlantAndEquipmentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of useful lives of property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeaseRightOfAssetTermCategoriesTableTextBlock" xlink:label="gsm_LeaseRightOfAssetTermCategoriesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeaseRightOfAssetTermCategoriesTableTextBlock" xlink:to="gsm_LeaseRightOfAssetTermCategoriesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeaseRightOfAssetTermCategoriesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of lease right of use asset categories information.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeaseRightOfAssetTermCategoriesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease Right Of Asset Term Categories [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LeaseRightOfAssetTermCategoriesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of lease term by right-of-use asset categories</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsScheduleOfSegmentReportingInformationBySegmentTableTextBlock" xlink:label="gsm_IfrsScheduleOfSegmentReportingInformationBySegmentTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsScheduleOfSegmentReportingInformationBySegmentTableTextBlock" xlink:to="gsm_IfrsScheduleOfSegmentReportingInformationBySegmentTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsScheduleOfSegmentReportingInformationBySegmentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsScheduleOfSegmentReportingInformationBySegmentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Schedule of Segment Reporting Information, by Segment [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsScheduleOfSegmentReportingInformationBySegmentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of consolidated statements of income and financial position by reportable segment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProductsAndServicesExplanatory" xlink:label="ifrs-full_DisclosureOfProductsAndServicesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfProductsAndServicesExplanatory" xlink:to="ifrs-full_DisclosureOfProductsAndServicesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfProductsAndServicesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of products and services [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfProductsAndServicesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of sales by product line</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ScheduleOfNoncurrentAssetsByGeographicalAreaTableTextBlock" xlink:label="gsm_ScheduleOfNoncurrentAssetsByGeographicalAreaTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ScheduleOfNoncurrentAssetsByGeographicalAreaTableTextBlock" xlink:to="gsm_ScheduleOfNoncurrentAssetsByGeographicalAreaTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ScheduleOfNoncurrentAssetsByGeographicalAreaTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of the non-current assets by geographical area.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ScheduleOfNoncurrentAssetsByGeographicalAreaTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Noncurrent Assets By Geographical Area [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ScheduleOfNoncurrentAssetsByGeographicalAreaTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of non-current assets by geographical area</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillExplanatory" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillExplanatory" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reconciliation of changes in goodwill [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes in the carrying amount of goodwill</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfAssumptionsUsedInDeterminationOfRecoverableValueOfBusinessAcquisitionsTableTextBlock" xlink:label="gsm_DisclosureOfAssumptionsUsedInDeterminationOfRecoverableValueOfBusinessAcquisitionsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfAssumptionsUsedInDeterminationOfRecoverableValueOfBusinessAcquisitionsTableTextBlock" xlink:to="gsm_DisclosureOfAssumptionsUsedInDeterminationOfRecoverableValueOfBusinessAcquisitionsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfAssumptionsUsedInDeterminationOfRecoverableValueOfBusinessAcquisitionsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of key assumptions used in the determination of recoverable value of business acquisitions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfAssumptionsUsedInDeterminationOfRecoverableValueOfBusinessAcquisitionsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Assumptions Used In Determination Of Recoverable Value Of Business Acquisitions [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfAssumptionsUsedInDeterminationOfRecoverableValueOfBusinessAcquisitionsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of key assumptions used in the determination of recoverable value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of intangible assets material to entity [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes in the carrying amount of other intangible assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInPropertyPlantAndEquipmentIncludingRightofuseAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInPropertyPlantAndEquipmentIncludingRightofuseAssetsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInPropertyPlantAndEquipmentIncludingRightofuseAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInPropertyPlantAndEquipmentIncludingRightofuseAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of property plant and equipment, net of related accumulated depreciation and impairment.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ScheduleOfSignificantAssumptions" xlink:label="gsm_ScheduleOfSignificantAssumptions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ScheduleOfSignificantAssumptions" xlink:to="gsm_ScheduleOfSignificantAssumptions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ScheduleOfSignificantAssumptions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of significant assumptions used to estimate their value in use.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ScheduleOfSignificantAssumptions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule Of Significant Assumptions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ScheduleOfSignificantAssumptions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of significant assumptions</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfImpairmentWriteDownsReversalsTextBlock" xlink:label="gsm_DisclosureOfImpairmentWriteDownsReversalsTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfImpairmentWriteDownsReversalsTextBlock" xlink:to="gsm_DisclosureOfImpairmentWriteDownsReversalsTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfImpairmentWriteDownsReversalsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of Impairment Write Downs Reversals</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfImpairmentWriteDownsReversalsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Impairment Write Downs Reversals [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfImpairmentWriteDownsReversalsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of impairment write downs / (reversals)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ScheduleOfSensitivityChangesInAssumptionsTextBlock" xlink:label="gsm_ScheduleOfSensitivityChangesInAssumptionsTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ScheduleOfSensitivityChangesInAssumptionsTextBlock" xlink:to="gsm_ScheduleOfSensitivityChangesInAssumptionsTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ScheduleOfSensitivityChangesInAssumptionsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of sensitivity to changes in assumptions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ScheduleOfSensitivityChangesInAssumptionsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule Of Sensitivity Changes In Assumptions [Text Block]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfChangesInSensitivityAssumptionTextblock" xlink:label="gsm_DisclosureOfChangesInSensitivityAssumptionTextblock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfChangesInSensitivityAssumptionTextblock" xlink:to="gsm_DisclosureOfChangesInSensitivityAssumptionTextblock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfChangesInSensitivityAssumptionTextblock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of Changes In Sensitivity Assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfChangesInSensitivityAssumptionTextblock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Changes In Sensitivity Assumption [Textblock]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfChangesInSensitivityAssumptionTextblock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes in sensitivity assumptions</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfClassificationOfFinancialAssetsTextBlock" xlink:label="gsm_DisclosureOfClassificationOfFinancialAssetsTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfClassificationOfFinancialAssetsTextBlock" xlink:to="gsm_DisclosureOfClassificationOfFinancialAssetsTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfClassificationOfFinancialAssetsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of classification financial assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfClassificationOfFinancialAssetsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of classification of financial assets [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfClassificationOfFinancialAssetsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of classification financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRestrictedCashAndCashEquivalentsExplanatory" xlink:label="ifrs-full_DisclosureOfRestrictedCashAndCashEquivalentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfRestrictedCashAndCashEquivalentsExplanatory" xlink:to="ifrs-full_DisclosureOfRestrictedCashAndCashEquivalentsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfRestrictedCashAndCashEquivalentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of restricted cash and cash equivalents [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfRestrictedCashAndCashEquivalentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of restricted cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfCurrentAndNoncurrentFinancialAssetsTableTextBlock" xlink:label="gsm_DisclosureOfCurrentAndNoncurrentFinancialAssetsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfCurrentAndNoncurrentFinancialAssetsTableTextBlock" xlink:to="gsm_DisclosureOfCurrentAndNoncurrentFinancialAssetsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfCurrentAndNoncurrentFinancialAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of current and noncurrent financial assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfCurrentAndNoncurrentFinancialAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of current and noncurrent financial assets [table text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfCurrentAndNoncurrentFinancialAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:label="ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:to="ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of trade and other receivables [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of trade and other receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xlink:to="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of impairment loss and reversal of impairment loss [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes in the allowance for doubtful debts</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsScheduleOfInventoryCurrentTableTextBlock" xlink:label="gsm_IfrsScheduleOfInventoryCurrentTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsScheduleOfInventoryCurrentTableTextBlock" xlink:to="gsm_IfrsScheduleOfInventoryCurrentTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsScheduleOfInventoryCurrentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsScheduleOfInventoryCurrentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Schedule of inventory current [Table text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsScheduleOfInventoryCurrentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Inventory</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfOtherAssetsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfOtherAssetsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other assets [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other non current and current assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfMajorityShareholdersTableTextBlock" xlink:label="gsm_DisclosureOfMajorityShareholdersTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfMajorityShareholdersTableTextBlock" xlink:to="gsm_DisclosureOfMajorityShareholdersTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfMajorityShareholdersTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of majority shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfMajorityShareholdersTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Majority Shareholders [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfMajorityShareholdersTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of majority shareholders</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:label="ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:to="ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reserves within equity [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of change in reserves</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfValuationAdjustmentsTableTextBlock" xlink:label="gsm_DisclosureOfValuationAdjustmentsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfValuationAdjustmentsTableTextBlock" xlink:to="gsm_DisclosureOfValuationAdjustmentsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfValuationAdjustmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of valuation adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfValuationAdjustmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Valuation Adjustments [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfValuationAdjustmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of valuation adjustments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfNonControllingInterestChangesExplanatoryTableTextBlock" xlink:label="gsm_DisclosureOfNonControllingInterestChangesExplanatoryTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfNonControllingInterestChangesExplanatoryTableTextBlock" xlink:to="gsm_DisclosureOfNonControllingInterestChangesExplanatoryTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfNonControllingInterestChangesExplanatoryTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of changes to non-controlling interest.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfNonControllingInterestChangesExplanatoryTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Non Controlling Interest Changes Explanatory [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfNonControllingInterestChangesExplanatoryTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes in non-controlling interests</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfNonControllingInterestFinancialInformationExplanatoryTableTextBlock" xlink:label="gsm_DisclosureOfNonControllingInterestFinancialInformationExplanatoryTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfNonControllingInterestFinancialInformationExplanatoryTableTextBlock" xlink:to="gsm_DisclosureOfNonControllingInterestFinancialInformationExplanatoryTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfNonControllingInterestFinancialInformationExplanatoryTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of financial information relating to non-controlling interests.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfNonControllingInterestFinancialInformationExplanatoryTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Non Controlling Interest Financial Information Explanatory [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfNonControllingInterestFinancialInformationExplanatoryTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of financial information for non-controlling interests</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareTable" xlink:label="ifrs-full_EarningsPerShareTable" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureShowingChangesInProvisionsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Showing Changes In Provisions [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureShowingChangesInProvisionsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes in provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="ifrs-full_GeographicalAreasAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasDomain" xlink:label="ifrs-full_GeographicalAreasDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_FR" xlink:label="country_FR" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CA" xlink:label="country_CA" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CA" xlink:to="country_CA_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_CA_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CANADA</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureShowingBreakdownOfNoncurrentAndCurrentPensionProvisionTableTextBlock" xlink:label="gsm_DisclosureShowingBreakdownOfNoncurrentAndCurrentPensionProvisionTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:label="ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantActuarialAssumptionsUsedToDeterminePresentValueOfDefinedBenefitObligationExplanatory" xlink:label="ifrs-full_DisclosureOfSignificantActuarialAssumptionsUsedToDeterminePresentValueOfDefinedBenefitObligationExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSignificantActuarialAssumptionsUsedToDeterminePresentValueOfDefinedBenefitObligationExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of the main actuarial assumptions used to calculate obligations</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule showing fair value rollforward of plan assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureShowingPercentageBreakdownOfPlanAssetsTableTextBlock" xlink:label="gsm_DisclosureShowingPercentageBreakdownOfPlanAssetsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureShowingPercentageBreakdownOfPlanAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of breakdown in percentage of plan assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of non-current and current bank borrowings</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfDetailedInformationAboutBorrowingsByCurrencyTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Detailed Information About Borrowings By Currency [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfDetailedInformationAboutBorrowingsByCurrencyTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of non-current and current bank borrowings by currency</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfDetailedInformationAboutNoncurrentBorrowingsByMaturityTableTextBlock" xlink:label="gsm_DisclosureOfDetailedInformationAboutNoncurrentBorrowingsByMaturityTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfDetailedInformationAboutNoncurrentBorrowingsByMaturityTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Detailed Information About Noncurrent Borrowings By Maturity [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfDetailedInformationAboutNoncurrentBorrowingsByMaturityTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of non-current bank borrowings by maturity</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of initial application of standards or interpretations [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of initial application of standards or interpretations [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Initial application of standards</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfLeaseObligationsTableTextBlock" xlink:label="gsm_DisclosureOfLeaseObligationsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfLeaseObligationsTableTextBlock" xlink:to="gsm_DisclosureOfLeaseObligationsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfLeaseObligationsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of lease obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfLeaseObligationsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Lease Obligations [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfLeaseObligationsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of lease obligations</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfImpactOfAdoptionOnFinancialStatements" xlink:label="gsm_DisclosureOfImpactOfAdoptionOnFinancialStatements" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfImpactOfAdoptionOnFinancialStatements" xlink:to="gsm_DisclosureOfImpactOfAdoptionOnFinancialStatements_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfImpactOfAdoptionOnFinancialStatements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of adoption effect on components of the financial statements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfImpactOfAdoptionOnFinancialStatements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Impact Of Adoption On Financial Statements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfImpactOfAdoptionOnFinancialStatements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of effect on components of consolidated financial statements</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeaseBalanceSheetDisclosureTableTextBlock" xlink:label="gsm_LeaseBalanceSheetDisclosureTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeaseBalanceSheetDisclosureTableTextBlock" xlink:to="gsm_LeaseBalanceSheetDisclosureTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeaseBalanceSheetDisclosureTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of leases on the balance sheet.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeaseBalanceSheetDisclosureTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease Balance Sheet Disclosure [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LeaseBalanceSheetDisclosureTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of leases presented in the statement of financial position</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeaseOperationsInformationDisclosureTableTextBlock" xlink:label="gsm_LeaseOperationsInformationDisclosureTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeaseOperationsInformationDisclosureTableTextBlock" xlink:to="gsm_LeaseOperationsInformationDisclosureTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeaseOperationsInformationDisclosureTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of lease information in the statement of operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeaseOperationsInformationDisclosureTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease Operations Information Disclosure [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LeaseOperationsInformationDisclosureTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of leases presented in the consolidated income statement</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeaseCashFlowInformationDisclosureTableTextBlock" xlink:label="gsm_LeaseCashFlowInformationDisclosureTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeaseCashFlowInformationDisclosureTableTextBlock" xlink:to="gsm_LeaseCashFlowInformationDisclosureTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeaseCashFlowInformationDisclosureTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of lease cash flow information.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeaseCashFlowInformationDisclosureTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease Cash Flow Information Disclosure [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LeaseCashFlowInformationDisclosureTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of leases presented in the statement of cash flows</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfDetailedInformationAboutDebtInstrumentsTextBlock" xlink:label="gsm_DisclosureOfDetailedInformationAboutDebtInstrumentsTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfDetailedInformationAboutDebtInstrumentsTextBlock" xlink:to="gsm_DisclosureOfDetailedInformationAboutDebtInstrumentsTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfDetailedInformationAboutDebtInstrumentsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of detailed information about debt instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfDetailedInformationAboutDebtInstrumentsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Detailed Information About Debt Instruments [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfDetailedInformationAboutDebtInstrumentsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of debt instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfOtherFinancialLiabilitiesTableTextBlock" xlink:label="gsm_DisclosureOfOtherFinancialLiabilitiesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfOtherFinancialLiabilitiesTableTextBlock" xlink:to="gsm_DisclosureOfOtherFinancialLiabilitiesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfOtherFinancialLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure showing breakdown of other financial liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfOtherFinancialLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Other Financial Liabilities [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfOtherFinancialLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other financial liabilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfDerivativeFinancialInstrumentsInStatementOfFinancialPositionTableTextBlock" xlink:label="gsm_DisclosureOfDerivativeFinancialInstrumentsInStatementOfFinancialPositionTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfDerivativeFinancialInstrumentsInStatementOfFinancialPositionTableTextBlock" xlink:to="gsm_DisclosureOfDerivativeFinancialInstrumentsInStatementOfFinancialPositionTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfDerivativeFinancialInstrumentsInStatementOfFinancialPositionTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of derivative financial instrument in the statement of financial position.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfDerivativeFinancialInstrumentsInStatementOfFinancialPositionTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Derivative Financial Instruments In Statement Of Financial Position [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfDerivativeFinancialInstrumentsInStatementOfFinancialPositionTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of net value of the power purchase agreements in consolidated statements of financial position</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory" xlink:label="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory" xlink:to="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of unrealized and realized gains (losses) related to the derivative instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfPurchaseCommitmentsForEachPpaTableTextBlock" xlink:label="gsm_DisclosureOfPurchaseCommitmentsForEachPpaTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfPurchaseCommitmentsForEachPpaTableTextBlock" xlink:to="gsm_DisclosureOfPurchaseCommitmentsForEachPpaTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfPurchaseCommitmentsForEachPpaTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of information about purchase commitments for each PPA.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfPurchaseCommitmentsForEachPpaTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Purchase Commitments For Each PPA Table Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfPurchaseCommitmentsForEachPpaTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of purchase commitments.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfInformationAboutKeyAssumptionsUsedToEstimatedFairValueOfDerivativeInstrumnents" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsUsedToEstimatedFairValueOfDerivativeInstrumnents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfInformationAboutKeyAssumptionsUsedToEstimatedFairValueOfDerivativeInstrumnents" xlink:to="gsm_DisclosureOfInformationAboutKeyAssumptionsUsedToEstimatedFairValueOfDerivativeInstrumnents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsUsedToEstimatedFairValueOfDerivativeInstrumnents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure Of Information About Key Assumptions Used To Estimated Fair Value Of Derivative Instrumnents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsUsedToEstimatedFairValueOfDerivativeInstrumnents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Information About Key Assumptions Used To Estimated Fair Value Of Derivative Instrumnents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsUsedToEstimatedFairValueOfDerivativeInstrumnents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of key assumptions about fair value of derivative financial instruments.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfInformationAboutKeyAssumptionsOfEnergyPrices." xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsOfEnergyPrices." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfInformationAboutKeyAssumptionsOfEnergyPrices." xlink:to="gsm_DisclosureOfInformationAboutKeyAssumptionsOfEnergyPrices._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsOfEnergyPrices._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure Of Information About Key Assumptions of Energy, CO2, and Silicon Index Prices.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsOfEnergyPrices._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Information About Key Assumptions of Energy Prices.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsOfEnergyPrices._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of key assumptions energy, CO2 and Silicon Index price.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfInformationAboutKeyAssumptionsFrenchEnergyContract" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsFrenchEnergyContract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfInformationAboutKeyAssumptionsFrenchEnergyContract" xlink:to="gsm_DisclosureOfInformationAboutKeyAssumptionsFrenchEnergyContract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsFrenchEnergyContract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure Of Information About Key Assumptions French Energy Contract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsFrenchEnergyContract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Information about Key Assumptions French Energy Contract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfInformationAboutKeyAssumptionsFrenchEnergyContract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of key assumptions French energy contract.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfInformationAboutPurchaseCommitments" xlink:label="gsm_DisclosureOfInformationAboutPurchaseCommitments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfInformationAboutPurchaseCommitments" xlink:to="gsm_DisclosureOfInformationAboutPurchaseCommitments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfInformationAboutPurchaseCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure Of Information About  about Purchase Commitments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfInformationAboutPurchaseCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Information about Purchase Commitments</label>
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    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ScheduleOfTradeAndOtherPayablesTableTextBlock" xlink:label="gsm_ScheduleOfTradeAndOtherPayablesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ScheduleOfTradeAndOtherPayablesTableTextBlock" xlink:to="gsm_ScheduleOfTradeAndOtherPayablesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ScheduleOfTradeAndOtherPayablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of the components of trade and other payables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ScheduleOfTradeAndOtherPayablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule Of Trade And Other Payables [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ScheduleOfTradeAndOtherPayablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of trade payables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about business combination [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about business combination [line items]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfOtherLiabilitiesTableTextBlock" xlink:label="gsm_DisclosureOfOtherLiabilitiesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfOtherLiabilitiesTableTextBlock" xlink:to="gsm_DisclosureOfOtherLiabilitiesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfOtherLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of all other liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfOtherLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other liabilities [table text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfOtherLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other liabilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfTaxPayablesTableTextBlock" xlink:label="gsm_DisclosureOfTaxPayablesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfTaxPayablesTableTextBlock" xlink:to="gsm_DisclosureOfTaxPayablesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfTaxPayablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of liabilities of tax payables..</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfTaxPayablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of tax payables [table text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfTaxPayablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of tax payables</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="gsm_IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="gsm_IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Schedule Of Components Of Income Tax Expense Benefit [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of income taxes</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="gsm_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:to="gsm_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Schedule Of Effective Income Tax Rate Reconciliation Table Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of statutory income tax rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:label="ifrs-full_DisclosureOfDeferredTaxesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:to="ifrs-full_DisclosureOfDeferredTaxesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDeferredTaxesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of deferred taxes [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDeferredTaxesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes in deferred tax assets and liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:to="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of temporary difference, unused tax losses and unused tax credits [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of unrecognized deductible temporary differences, unused tax losses and unused tax credits</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of transactions between related parties [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of transactions between related parties [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of transactions between related parties [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related party transactions and balances</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ScheduleOfBalancesWithRelatedPartiesTableTextBlock" xlink:label="gsm_ScheduleOfBalancesWithRelatedPartiesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ScheduleOfBalancesWithRelatedPartiesTableTextBlock" xlink:to="gsm_ScheduleOfBalancesWithRelatedPartiesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ScheduleOfBalancesWithRelatedPartiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of balances with related parties.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ScheduleOfBalancesWithRelatedPartiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of balances with related parties [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ScheduleOfBalancesWithRelatedPartiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of balances with related parties</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of transactions between related parties [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of transactions with related parties and other related parties</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:label="ifrs-full_DisclosureOfGeographicalAreasExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:to="ifrs-full_DisclosureOfGeographicalAreasExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfGeographicalAreasExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of geographical areas [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfGeographicalAreasExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales by geographical area</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfRawMaterialsAndEnergyConsumptionForProductionTableTextBlock" xlink:label="gsm_DisclosureOfRawMaterialsAndEnergyConsumptionForProductionTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfRawMaterialsAndEnergyConsumptionForProductionTableTextBlock" xlink:to="gsm_DisclosureOfRawMaterialsAndEnergyConsumptionForProductionTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfRawMaterialsAndEnergyConsumptionForProductionTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure for raw materials and energy consumption for production.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfRawMaterialsAndEnergyConsumptionForProductionTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Raw materials And Energy Consumption For Production [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfRawMaterialsAndEnergyConsumptionForProductionTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of raw materials and energy consumption for production</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory" xlink:label="ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory" xlink:to="ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other operating income [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other operating income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:label="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:to="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of employee benefits [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of staff costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:label="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other operating expense [text block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of depreciation and amortisation expense [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of depreciation and amortization charges, operating allowances and write-downs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExplanatory" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of finance income [text block]</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:label="ifrs-full_DisclosureOfFinanceCostExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinanceCostExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of finance cost [text block]</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory" xlink:label="ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:label="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of information about key management personnel [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of remuneration of key management personal</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfInterestBearingFinancialLiabilitiesTableTextBlock" xlink:label="gsm_DisclosureOfInterestBearingFinancialLiabilitiesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfInterestBearingFinancialLiabilitiesTableTextBlock" xlink:to="gsm_DisclosureOfInterestBearingFinancialLiabilitiesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfInterestBearingFinancialLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of interest bearing financial liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfInterestBearingFinancialLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Interest Bearing Financial Liabilities [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfInterestBearingFinancialLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of interest bearing financial liabilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfMaturityOfUndiscountedCashFlowsOfFinancialInstrumentsTableTextBlock" xlink:label="gsm_DisclosureOfMaturityOfUndiscountedCashFlowsOfFinancialInstrumentsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfMaturityOfUndiscountedCashFlowsOfFinancialInstrumentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of the maturities of the entity's financial liabilities based on contractual undiscounted payments. The cash flows for debt instruments assume that principal of the instrument is repaid at maturity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfMaturityOfUndiscountedCashFlowsOfFinancialInstrumentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Maturity Of Undiscounted Cash Flows Of Financial Instruments [Table Text Block]</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reconciliation of liabilities arising from financing activities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes in liabilities arising from financing activities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock" xlink:label="gsm_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock" xlink:to="gsm_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of fair value measurement of assets and liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table Text Block]</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of fair value measurement of liabilities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes fair value on recurring basis using significant unobservable inputs Level 3</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ArlServicesLlcMember" xlink:label="gsm_ArlServicesLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ArlServicesLlcMember" xlink:to="gsm_ArlServicesLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ArlServicesLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for ARL Services, LLC industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ArlServicesLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ARL Services, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CoreMetalsGroupHoldingsLlcMember" xlink:label="gsm_CoreMetalsGroupHoldingsLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CoreMetalsGroupHoldingsLlcMember" xlink:to="gsm_CoreMetalsGroupHoldingsLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CoreMetalsGroupHoldingsLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Core Metals Group Holdings, LL Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CoreMetalsGroupHoldingsLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Core Metals Group Holdings, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CuarzosIndustrialesDeVenezuelaCuarzovenS.a.Member" xlink:label="gsm_CuarzosIndustrialesDeVenezuelaCuarzovenS.a.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CuarzosIndustrialesDeVenezuelaCuarzovenS.a.Member" xlink:to="gsm_CuarzosIndustrialesDeVenezuelaCuarzovenS.a.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CuarzosIndustrialesDeVenezuelaCuarzovenS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Cuarzos Industriales de Venezuela (Cuarzoven), S.A Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CuarzosIndustrialesDeVenezuelaCuarzovenS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cuarzos Industriales de Venezuela, S.A.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EmixS.a.s.Member" xlink:label="gsm_EmixS.a.s.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EmixS.a.s.Member" xlink:to="gsm_EmixS.a.s.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EmixS.a.s.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Emix, S.A.S Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EmixS.a.s.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Emix, S.A.S.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroatlanticaDeMexicoS.a.DeC.v.Member" xlink:label="gsm_FerroatlanticaDeMexicoS.a.DeC.v.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroatlanticaDeMexicoS.a.DeC.v.Member" xlink:to="gsm_FerroatlanticaDeMexicoS.a.DeC.v.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroatlanticaDeMexicoS.a.DeC.v.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroatlantica de Mexico, S.A. de C.V Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroatlanticaDeMexicoS.a.DeC.v.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroatlantica de Mexico, S.A. de C.V.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroatlnticaDeVenezuelaFerrovenS.a.Member" xlink:label="gsm_FerroatlnticaDeVenezuelaFerrovenS.a.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroatlnticaDeVenezuelaFerrovenS.a.Member" xlink:to="gsm_FerroatlnticaDeVenezuelaFerrovenS.a.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroatlnticaDeVenezuelaFerrovenS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroatlantica de Venezuela (FerroVen), S.A.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroatlnticaDeVenezuelaFerrovenS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroatlantica de Venezuela (FerroVen), S.A.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroatlanticaDeutschlandGmbhMember" xlink:label="gsm_FerroatlanticaDeutschlandGmbhMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroatlanticaDeutschlandGmbhMember" xlink:to="gsm_FerroatlanticaDeutschlandGmbhMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroatlanticaDeutschlandGmbhMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroatlantica Deutschland, Gmb Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroatlanticaDeutschlandGmbhMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroatlantica Deutschland, GmbH</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroatlanticaBrasilMineracaoLtda.Member" xlink:label="gsm_FerroatlanticaBrasilMineracaoLtda.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroatlanticaBrasilMineracaoLtda.Member" xlink:to="gsm_FerroatlanticaBrasilMineracaoLtda.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroatlanticaBrasilMineracaoLtda.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroatlantica Brasil Mineracao Ltda Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroatlanticaBrasilMineracaoLtda.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroatlantica Brasil Mineracao Ltda.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeAdvancedMaterialsIiS.lMember" xlink:label="gsm_FerroglobeAdvancedMaterialsIiS.lMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeAdvancedMaterialsIiS.lMember" xlink:to="gsm_FerroglobeAdvancedMaterialsIiS.lMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeAdvancedMaterialsIiS.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Advanced Materials II, S.L industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeAdvancedMaterialsIiS.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Advanced Materials II, S.L [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeAdvancedMaterialsIiS.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Advanced Materials II, S.L</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeAdvancedMaterialsS.l.Member" xlink:label="gsm_FerroglobeAdvancedMaterialsS.l.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeAdvancedMaterialsS.l.Member" xlink:to="gsm_FerroglobeAdvancedMaterialsS.l.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeAdvancedMaterialsS.l.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Advanced Materials, S.L. industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeAdvancedMaterialsS.l.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Advanced Materials, S.L. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeAdvancedMaterialsS.l.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Advanced Materials, S.L.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeArgentinaS.r.lMember" xlink:label="gsm_FerroglobeArgentinaS.r.lMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeArgentinaS.r.lMember" xlink:to="gsm_FerroglobeArgentinaS.r.lMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeArgentinaS.r.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Argentina, S.R.L  industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeArgentinaS.r.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Argentina, S.R.L [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeArgentinaS.r.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Argentina, S.R.L</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeCanadaUlcMember" xlink:label="gsm_FerroglobeCanadaUlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeCanadaUlcMember" xlink:to="gsm_FerroglobeCanadaUlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeCanadaUlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Canada ULC.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeCanadaUlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Canada ULC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeCanadaUlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Canada ULC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeCorporateServicesS.l.u.Member" xlink:label="gsm_FerroglobeCorporateServicesS.l.u.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeCorporateServicesS.l.u.Member" xlink:to="gsm_FerroglobeCorporateServicesS.l.u.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeCorporateServicesS.l.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Corporate Services, S.L.U.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeCorporateServicesS.l.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Corporate Services, S.L.U. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeCorporateServicesS.l.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Corporate Services, S.L.U.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeCuarzosIndustrialesMiningS.a.u.Member" xlink:label="gsm_FerroglobeCuarzosIndustrialesMiningS.a.u.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeCuarzosIndustrialesMiningS.a.u.Member" xlink:to="gsm_FerroglobeCuarzosIndustrialesMiningS.a.u.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeCuarzosIndustrialesMiningS.a.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Cuarzos Industriales Mining, S.A.U.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeCuarzosIndustrialesMiningS.a.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Cuarzos Industriales Mining, S.A.U. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeCuarzosIndustrialesMiningS.a.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Cuarzos Industriales Mining, S.A.U.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeDeParticipacionesS.l.uMember" xlink:label="gsm_FerroglobeDeParticipacionesS.l.uMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeDeParticipacionesS.l.uMember" xlink:to="gsm_FerroglobeDeParticipacionesS.l.uMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeDeParticipacionesS.l.uMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe de Participaciones, S.L.U.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeDeParticipacionesS.l.uMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe de Participaciones, S.L.U [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeDeParticipacionesS.l.uMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe de Participaciones, S.L.U</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeFinanceCompanyPlcMember" xlink:label="gsm_FerroglobeFinanceCompanyPlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeFinanceCompanyPlcMember" xlink:to="gsm_FerroglobeFinanceCompanyPlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeFinanceCompanyPlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Finance Company, PLC.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeFinanceCompanyPlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Finance Company, PLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeFinanceCompanyPlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Finance Company, PLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeFranceSasMember" xlink:label="gsm_FerroglobeFranceSasMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeFranceSasMember" xlink:to="gsm_FerroglobeFranceSasMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeFranceSasMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe France SAS.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeFranceSasMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe France SAS [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeFranceSasMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe France SAS</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeHoldingCompanyLtdMember" xlink:label="gsm_FerroglobeHoldingCompanyLtdMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeHoldingCompanyLtdMember" xlink:to="gsm_FerroglobeHoldingCompanyLtdMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeHoldingCompanyLtdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Holding Company, LTD.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeHoldingCompanyLtdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Holding Company, LTD [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeHoldingCompanyLtdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Holding Company, LTD</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeInnovationS.lMember" xlink:label="gsm_FerroglobeInnovationS.lMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeInnovationS.lMember" xlink:to="gsm_FerroglobeInnovationS.lMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeInnovationS.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe Innovation, S.L. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeInnovationS.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Innovation, S.L [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeInnovationS.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Innovation, S.L</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeManganNorgeAsMember" xlink:label="gsm_FerroglobeManganNorgeAsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeManganNorgeAsMember" xlink:to="gsm_FerroglobeManganNorgeAsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeManganNorgeAsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Mangan Norge AS industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeManganNorgeAsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Mangan Norge AS</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeManganeseFranceSasMember" xlink:label="gsm_FerroglobeManganeseFranceSasMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeManganeseFranceSasMember" xlink:to="gsm_FerroglobeManganeseFranceSasMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeManganeseFranceSasMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Manganese France SAS industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeManganeseFranceSasMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Manganese France SAS</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeMonznS.l.Member" xlink:label="gsm_FerroglobeMonznS.l.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeMonznS.l.Member" xlink:to="gsm_FerroglobeMonznS.l.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeMonznS.l.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Monzn, S.L.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeMonznS.l.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Monzn, S.L. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeMonznS.l.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Monzn, S.L.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeNetherlandsB.v.Member" xlink:label="gsm_FerroglobeNetherlandsB.v.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeNetherlandsB.v.Member" xlink:to="gsm_FerroglobeNetherlandsB.v.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeNetherlandsB.v.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe Netherlands, B.V. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeNetherlandsB.v.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Netherlands, B.V. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeNetherlandsB.v.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Netherlands, B.V.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeRamsaMiningS.a.Member" xlink:label="gsm_FerroglobeRamsaMiningS.a.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeRamsaMiningS.a.Member" xlink:to="gsm_FerroglobeRamsaMiningS.a.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeRamsaMiningS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe RAMSA Mining, S.A.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeRamsaMiningS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe RAMSA Mining, S.A. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeRamsaMiningS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe RAMSA Mining, S.A.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeSouthAfricaPtyLtdMember" xlink:label="gsm_FerroglobeSouthAfricaPtyLtdMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeSouthAfricaPtyLtdMember" xlink:to="gsm_FerroglobeSouthAfricaPtyLtdMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeSouthAfricaPtyLtdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe South Africa (Pty) Ltd.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeSouthAfricaPtyLtdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe South Africa (Pty) Ltd [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeSouthAfricaPtyLtdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe South Africa (Pty) Ltd</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeSpainMetalsS.a.u.Member" xlink:label="gsm_FerroglobeSpainMetalsS.a.u.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeSpainMetalsS.a.u.Member" xlink:to="gsm_FerroglobeSpainMetalsS.a.u.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeSpainMetalsS.a.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe Spain Metals, S.A.U. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeSpainMetalsS.a.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Spain Metals, S.A.U. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeSpainMetalsS.a.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Spain Metals, S.A.U.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aAlloysIIncMember" xlink:label="gsm_FerroglobeU.s.aAlloysIIncMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aAlloysIIncMember" xlink:to="gsm_FerroglobeU.s.aAlloysIIncMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aAlloysIIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A Alloys I, Inc Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aAlloysIIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Alloys I, Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aAlloysIIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Alloys I, Inc</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aArlrLlcMember" xlink:label="gsm_FerroglobeU.s.aArlrLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aArlrLlcMember" xlink:to="gsm_FerroglobeU.s.aArlrLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aArlrLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A ARLR, LLC Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aArlrLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A ARLR, LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aArlrLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A ARLR, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aBgLlcMember" xlink:label="gsm_FerroglobeU.s.aBgLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aBgLlcMember" xlink:to="gsm_FerroglobeU.s.aBgLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aBgLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A BG, LLC Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aBgLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A BG, LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aBgLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A BG, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aBridgeportLlcMember" xlink:label="gsm_FerroglobeU.s.aBridgeportLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aBridgeportLlcMember" xlink:to="gsm_FerroglobeU.s.aBridgeportLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aBridgeportLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A Bridgeport, LLC Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aBridgeportLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Bridgeport, LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aBridgeportLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Bridgeport, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aEcpiInc.Member" xlink:label="gsm_FerroglobeU.s.aEcpiInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aEcpiInc.Member" xlink:to="gsm_FerroglobeU.s.aEcpiInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aEcpiInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A ECPI, Inc. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aEcpiInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A ECPI, Inc. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aEcpiInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A ECPI, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aFinancialInc.Member" xlink:label="gsm_FerroglobeU.s.aFinancialInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aFinancialInc.Member" xlink:to="gsm_FerroglobeU.s.aFinancialInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aFinancialInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A Financial, Inc. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aFinancialInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Financial, Inc. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aFinancialInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Financial, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aGbgFinancialLlcMember" xlink:label="gsm_FerroglobeU.s.aGbgFinancialLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aGbgFinancialLlcMember" xlink:to="gsm_FerroglobeU.s.aGbgFinancialLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aGbgFinancialLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A GBG Financial, LLC Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aGbgFinancialLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A GBG Financial, LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aGbgFinancialLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A GBG Financial, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aLfResourcesIncMember" xlink:label="gsm_FerroglobeU.s.aLfResourcesIncMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aLfResourcesIncMember" xlink:to="gsm_FerroglobeU.s.aLfResourcesIncMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aLfResourcesIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A LF Resources, Inc Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aLfResourcesIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A LF Resources, Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aLfResourcesIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A LF Resources, Inc</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aLfrInMember" xlink:label="gsm_FerroglobeU.s.aLfrInMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aLfrInMember" xlink:to="gsm_FerroglobeU.s.aLfrInMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aLfrInMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A LFR, Inc. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aLfrInMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A LFR, IN [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aLfrInMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A LFR, Inc</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aMetallurgicalInc.Member" xlink:label="gsm_FerroglobeU.s.aMetallurgicalInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aMetallurgicalInc.Member" xlink:to="gsm_FerroglobeU.s.aMetallurgicalInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aMetallurgicalInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A Metallurgical, Inc. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aMetallurgicalInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Metallurgical, Inc. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aMetallurgicalInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Metallurgical, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aMetalsLlc.Member" xlink:label="gsm_FerroglobeU.s.aMetalsLlc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aMetalsLlc.Member" xlink:to="gsm_FerroglobeU.s.aMetalsLlc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aMetalsLlc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A Metals, LLC. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aMetalsLlc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Metals, LLC. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aMetalsLlc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Metals, LLC.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aMiningSalesLlcMember" xlink:label="gsm_FerroglobeU.s.aMiningSalesLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aMiningSalesLlcMember" xlink:to="gsm_FerroglobeU.s.aMiningSalesLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aMiningSalesLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A Mining Sales, LLC Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aMiningSalesLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Mining Sales, LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aMiningSalesLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Mining Sales, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aMiningServicesLlcMember" xlink:label="gsm_FerroglobeU.s.aMiningServicesLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aMiningServicesLlcMember" xlink:to="gsm_FerroglobeU.s.aMiningServicesLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aMiningServicesLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A Mining Services, LLC Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aMiningServicesLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Mining Services, LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aMiningServicesLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Mining Services, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aMiningLlcMember" xlink:label="gsm_FerroglobeU.s.aMiningLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aMiningLlcMember" xlink:to="gsm_FerroglobeU.s.aMiningLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aMiningLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A Mining, LLC Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aMiningLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Mining, LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aMiningLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Mining, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aMpmLlcMember" xlink:label="gsm_FerroglobeU.s.aMpmLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aMpmLlcMember" xlink:to="gsm_FerroglobeU.s.aMpmLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aMpmLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A MPM, LLC Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aMpmLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A MPM, LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aMpmLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A MPM, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aQuartzInc.Member" xlink:label="gsm_FerroglobeU.s.aQuartzInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aQuartzInc.Member" xlink:to="gsm_FerroglobeU.s.aQuartzInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aQuartzInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A Quartz, Inc. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aQuartzInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Quartz, Inc. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aQuartzInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Quartz, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aSalesInc.Member" xlink:label="gsm_FerroglobeU.s.aSalesInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aSalesInc.Member" xlink:to="gsm_FerroglobeU.s.aSalesInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aSalesInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A Sales, Inc. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aSalesInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Sales, Inc. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aSalesInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A Sales, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeU.s.aIncMember" xlink:label="gsm_FerroglobeU.s.aIncMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeU.s.aIncMember" xlink:to="gsm_FerroglobeU.s.aIncMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeU.s.aIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe U.S.A, Inc Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeU.s.aIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A, Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeU.s.aIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe U.S.A, Inc</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeUsaSilicaFumeSalesInc.Member" xlink:label="gsm_FerroglobeUsaSilicaFumeSalesInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeUsaSilicaFumeSalesInc.Member" xlink:to="gsm_FerroglobeUsaSilicaFumeSalesInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeUsaSilicaFumeSalesInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferroglobe USA Silica Fume Sales, Inc. Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeUsaSilicaFumeSalesInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe USA Silica Fume Sales, Inc. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeUsaSilicaFumeSalesInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe USA Silica Fume Sales, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerromanganeseMauritaniaSarlMember" xlink:label="gsm_FerromanganeseMauritaniaSarlMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerromanganeseMauritaniaSarlMember" xlink:to="gsm_FerromanganeseMauritaniaSarlMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerromanganeseMauritaniaSarlMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the FerroManganese Mauritania SAR Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerromanganeseMauritaniaSarlMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FerroManganese Mauritania SARL</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroquartzHoldingsLtdHongKongMember" xlink:label="gsm_FerroquartzHoldingsLtdHongKongMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroquartzHoldingsLtdHongKongMember" xlink:to="gsm_FerroquartzHoldingsLtdHongKongMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroquartzHoldingsLtdHongKongMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroquartz Holdings, Ltd (Hong Kong) industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroquartzHoldingsLtdHongKongMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroquartz Holdings, Ltd (Hong Kong)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroquartzMauritaniaSarlMember" xlink:label="gsm_FerroquartzMauritaniaSarlMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroquartzMauritaniaSarlMember" xlink:to="gsm_FerroquartzMauritaniaSarlMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroquartzMauritaniaSarlMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the FerroQuartz Mauritania SAR Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroquartzMauritaniaSarlMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FerroQuartz Mauritania SARL</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerrosolarRDSl.Member" xlink:label="gsm_FerrosolarRDSl.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerrosolarRDSl.Member" xlink:to="gsm_FerrosolarRDSl.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerrosolarRDSl.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Ferrosolar R&amp;D SL Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerrosolarRDSl.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferrosolar R&amp;D SL.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerrotambaoSarlMember" xlink:label="gsm_FerrotambaoSarlMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerrotambaoSarlMember" xlink:to="gsm_FerrotambaoSarlMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerrotambaoSarlMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the FerroTambao, SAR Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerrotambaoSarlMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FerroTambao, SARL</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GbgHoldingsLlcMember" xlink:label="gsm_GbgHoldingsLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GbgHoldingsLlcMember" xlink:to="gsm_GbgHoldingsLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GbgHoldingsLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the GBG Holdings, LL Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GbgHoldingsLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GBG Holdings, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GlobeMetalsEnterprisesInc.Member" xlink:label="gsm_GlobeMetalsEnterprisesInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GlobeMetalsEnterprisesInc.Member" xlink:to="gsm_GlobeMetalsEnterprisesInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GlobeMetalsEnterprisesInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Globe Metals Enterprises, Inc Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GlobeMetalsEnterprisesInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Globe Metals Enterprises, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GsmAlloysIiInc.Member" xlink:label="gsm_GsmAlloysIiInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GsmAlloysIiInc.Member" xlink:to="gsm_GsmAlloysIiInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GsmAlloysIiInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the GSM Alloys II, Inc Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GsmAlloysIiInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GSM Alloys II, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GsmEnterprisesHoldingsInc.Member" xlink:label="gsm_GsmEnterprisesHoldingsInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GsmEnterprisesHoldingsInc.Member" xlink:to="gsm_GsmEnterprisesHoldingsInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GsmEnterprisesHoldingsInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the GSM Enterprises Holdings, Inc Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GsmEnterprisesHoldingsInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GSM Enterprises Holdings, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GsmEnterprisesLlcMember" xlink:label="gsm_GsmEnterprisesLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GsmEnterprisesLlcMember" xlink:to="gsm_GsmEnterprisesLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GsmEnterprisesLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for GSM Enterprises, LLC industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GsmEnterprisesLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GSM Enterprises, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_KintuckFranceSasMember" xlink:label="gsm_KintuckFranceSasMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_KintuckFranceSasMember" xlink:to="gsm_KintuckFranceSasMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_KintuckFranceSasMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Kintuck (France) SAS industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_KintuckFranceSasMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Kintuck (France) SAS</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_KintuckAsMember" xlink:label="gsm_KintuckAsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_KintuckAsMember" xlink:to="gsm_KintuckAsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_KintuckAsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Kintuck AS industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_KintuckAsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Kintuck AS</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MangshiFerroatlanticaMiningIndustryServiceCompanyltdMember" xlink:label="gsm_MangshiFerroatlanticaMiningIndustryServiceCompanyltdMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MangshiFerroatlanticaMiningIndustryServiceCompanyltdMember" xlink:to="gsm_MangshiFerroatlanticaMiningIndustryServiceCompanyltdMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MangshiFerroatlanticaMiningIndustryServiceCompanyltdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Mangshi FerroAtlantica Mining Industry Service Company Ltd Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MangshiFerroatlanticaMiningIndustryServiceCompanyltdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Mangshi FerroAtlantica Mining Industry Service Company Ltd</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NingxiaYonveyCoalIndustrialCo.Ltd.Member" xlink:label="gsm_NingxiaYonveyCoalIndustrialCo.Ltd.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NingxiaYonveyCoalIndustrialCo.Ltd.Member" xlink:to="gsm_NingxiaYonveyCoalIndustrialCo.Ltd.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NingxiaYonveyCoalIndustrialCo.Ltd.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ningxia Yonvey Coal Industrial Co., Ltd. industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NingxiaYonveyCoalIndustrialCo.Ltd.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ningxia Yonvey Coal Industrial Co., Ltd.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_QuebecSiliconGeneralPartnerMember" xlink:label="gsm_QuebecSiliconGeneralPartnerMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_QuebecSiliconGeneralPartnerMember" xlink:to="gsm_QuebecSiliconGeneralPartnerMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_QuebecSiliconGeneralPartnerMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Quebec Silicon General Partner industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_QuebecSiliconGeneralPartnerMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Quebec Silicon General Partner</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_QuebecSiliconGeneralPartnerMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Quebec Silicon General Partner</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_QuebecSiliconLimitedPartnershipMember" xlink:label="gsm_QuebecSiliconLimitedPartnershipMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_QuebecSiliconLimitedPartnershipMember" xlink:to="gsm_QuebecSiliconLimitedPartnershipMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_QuebecSiliconLimitedPartnershipMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Quebec Silicon Limited Partnership (QSLP).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_QuebecSiliconLimitedPartnershipMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Quebec Silicon Limited Partnership [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_QuebecSiliconLimitedPartnershipMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Quebec Silicon Limited Partnership</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ReboneMiningPty.Ltd.Member" xlink:label="gsm_ReboneMiningPty.Ltd.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ReboneMiningPty.Ltd.Member" xlink:to="gsm_ReboneMiningPty.Ltd.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ReboneMiningPty.Ltd.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Rebone Mining (Pty.), Ltd Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ReboneMiningPty.Ltd.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Rebone Mining (Pty.), Ltd.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SiliconTechnologyPty.Ltd.Member" xlink:label="gsm_SiliconTechnologyPty.Ltd.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SiliconTechnologyPty.Ltd.Member" xlink:to="gsm_SiliconTechnologyPty.Ltd.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SiliconTechnologyPty.Ltd.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Silicon Technology (Pty.), Ltd Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SiliconTechnologyPty.Ltd.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Silicon Technology (Pty.), Ltd.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SolsilInc.Member" xlink:label="gsm_SolsilInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SolsilInc.Member" xlink:to="gsm_SolsilInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SolsilInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Solsil, Inc. industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SolsilInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Solsil, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ThabaChueuMiningPty.Ltd.Member" xlink:label="gsm_ThabaChueuMiningPty.Ltd.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ThabaChueuMiningPty.Ltd.Member" xlink:to="gsm_ThabaChueuMiningPty.Ltd.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ThabaChueuMiningPty.Ltd.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Thaba Chueu Mining (Pty.), Ltd Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ThabaChueuMiningPty.Ltd.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Thaba Chueu Mining (Pty.), Ltd.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_UltracoreEnergySaMember" xlink:label="gsm_UltracoreEnergySaMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_UltracoreEnergySaMember" xlink:to="gsm_UltracoreEnergySaMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_UltracoreEnergySaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ultracore Energy SA industry company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_UltracoreEnergySaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ultracore Energy SA</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_WestVirginiaAlloysInc.Member" xlink:label="gsm_WestVirginiaAlloysInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_WestVirginiaAlloysInc.Member" xlink:to="gsm_WestVirginiaAlloysInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_WestVirginiaAlloysInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the West Virginia Alloys, Inc Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_WestVirginiaAlloysInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">West Virginia Alloys, Inc.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_WvaManufacturingLlcMember" xlink:label="gsm_WvaManufacturingLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_WvaManufacturingLlcMember" xlink:to="gsm_WvaManufacturingLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_WvaManufacturingLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for WVA Manufacturing, LLC (WVA).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_WvaManufacturingLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">WVA Manufacturing, LLC</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_WvaManufacturingLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">WVA Manufacturing, LLC</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SegmentsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Segments [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsDomain" xlink:label="ifrs-full_SegmentsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SegmentsDomain" xlink:to="ifrs-full_SegmentsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SegmentsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Segments [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SiliconMetalsAndAlloysNorthAmericanSegmentMember" xlink:label="gsm_SiliconMetalsAndAlloysNorthAmericanSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SiliconMetalsAndAlloysNorthAmericanSegmentMember" xlink:to="gsm_SiliconMetalsAndAlloysNorthAmericanSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SiliconMetalsAndAlloysNorthAmericanSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the North American - Silicon Metals and Alloys operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SiliconMetalsAndAlloysNorthAmericanSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">North America - Silicon</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SiliconMetalsAndAlloysNorthAmericanSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">North America Silicon Metal and Alloys</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NorthAmericaSiliconMetalSegmentMember" xlink:label="gsm_NorthAmericaSiliconMetalSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NorthAmericaSiliconMetalSegmentMember" xlink:to="gsm_NorthAmericaSiliconMetalSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NorthAmericaSiliconMetalSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the North American - Silicon Metals operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NorthAmericaSiliconMetalSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">North America Silicon Metal Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NorthAmericaSiliconMetalSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">North America Silicon Metal</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NorthAmericaSiliconAlloysSegmentMember" xlink:label="gsm_NorthAmericaSiliconAlloysSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NorthAmericaSiliconAlloysSegmentMember" xlink:to="gsm_NorthAmericaSiliconAlloysSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NorthAmericaSiliconAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the North American - Silicon Alloys operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NorthAmericaSiliconAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">North America Silicon Alloys Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NorthAmericaSiliconAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">North America Silicon Alloys</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AllOtherSegmentsMember" xlink:label="ifrs-full_AllOtherSegmentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AllOtherSegmentsMember" xlink:to="ifrs-full_AllOtherSegmentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AllOtherSegmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other segments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AllOtherSegmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other segments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SiliconMetalsAndSiliconAlloysEuropeSegmentMember" xlink:label="gsm_SiliconMetalsAndSiliconAlloysEuropeSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SiliconMetalsAndSiliconAlloysEuropeSegmentMember" xlink:to="gsm_SiliconMetalsAndSiliconAlloysEuropeSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SiliconMetalsAndSiliconAlloysEuropeSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Europe - Silicon Metals and Silicon Alloys operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SiliconMetalsAndSiliconAlloysEuropeSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe - Silicon</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SiliconMetalsAndSiliconAlloysEuropeSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe Silicon Metal and Alloys</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ManganeseAlloysEuropeSegmentMember" xlink:label="gsm_ManganeseAlloysEuropeSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ManganeseAlloysEuropeSegmentMember" xlink:to="gsm_ManganeseAlloysEuropeSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ManganeseAlloysEuropeSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Europe - Manganese Alloys operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ManganeseAlloysEuropeSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe - Manganese</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ManganeseAlloysEuropeSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe Manganese</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SouthAfricaSiliconMetalAndAlloysSegmentMember" xlink:label="gsm_SouthAfricaSiliconMetalAndAlloysSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SouthAfricaSiliconMetalAndAlloysSegmentMember" xlink:to="gsm_SouthAfricaSiliconMetalAndAlloysSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SouthAfricaSiliconMetalAndAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the South Africa - Silicon Metal and Alloys operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SouthAfricaSiliconMetalAndAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">South Africa Silicon Metal And Alloys Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SouthAfricaSiliconMetalAndAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">South Africa Silicon Metal And Alloys</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ManganeseAndSiliconAlloysEuropeSegmentMember" xlink:label="gsm_ManganeseAndSiliconAlloysEuropeSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ManganeseAndSiliconAlloysEuropeSegmentMember" xlink:to="gsm_ManganeseAndSiliconAlloysEuropeSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ManganeseAndSiliconAlloysEuropeSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Europe - Manganese and Silicon Alloys operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ManganeseAndSiliconAlloysEuropeSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Manganese And Silicon Alloys Europe Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ManganeseAndSiliconAlloysEuropeSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe - Manganese and Silicon</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesAxis" xlink:label="ifrs-full_CounterpartiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CounterpartiesAxis" xlink:to="ifrs-full_CounterpartiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CounterpartiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Counterparties [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesDomain" xlink:label="ifrs-full_CounterpartiesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CounterpartiesDomain" xlink:to="ifrs-full_CounterpartiesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CounterpartiesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Counterparties [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PalamoMiningInvestmentFundNo.1LlpMember" xlink:label="gsm_PalamoMiningInvestmentFundNo.1LlpMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PalamoMiningInvestmentFundNo.1LlpMember" xlink:to="gsm_PalamoMiningInvestmentFundNo.1LlpMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PalamoMiningInvestmentFundNo.1LlpMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Palamo Mining Investment Fund No.1 LLP.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PalamoMiningInvestmentFundNo.1LlpMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Palamo Mining Investment Fund No.1 LLP [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PalamoMiningInvestmentFundNo.1LlpMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The Palamo Mining Investment Fund No.1 LLP</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="ifrs-full_ClassesOfShareCapitalAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfShareCapitalAxis" xlink:to="ifrs-full_ClassesOfShareCapitalAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfShareCapitalAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of share capital [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain" xlink:label="ifrs-full_ClassesOfShareCapitalDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfShareCapitalDomain" xlink:to="ifrs-full_ClassesOfShareCapitalDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfShareCapitalDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of share capital [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OrdinarySharesMember" xlink:label="ifrs-full_OrdinarySharesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OrdinarySharesMember" xlink:to="ifrs-full_OrdinarySharesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OrdinarySharesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ordinary shares [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OrdinarySharesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ordinary shares</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of subsidiaries [line items]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ProportionOfDirectOwnershipInterestInSubsidiary" xlink:label="gsm_ProportionOfDirectOwnershipInterestInSubsidiary" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ProportionOfDirectOwnershipInterestInSubsidiary" xlink:to="gsm_ProportionOfDirectOwnershipInterestInSubsidiary_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ProportionOfDirectOwnershipInterestInSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The proportion of direct ownership interest in a subsidiary attributable to the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ProportionOfDirectOwnershipInterestInSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proportion of Direct Ownership Interest in Subsidiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ProportionOfDirectOwnershipInterestInSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proportion of ownership interest in subsidiary - Direct</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:label="ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:to="ifrs-full_ProportionOfOwnershipInterestInSubsidiary_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProportionOfOwnershipInterestInSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proportion of ownership interest in subsidiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProportionOfOwnershipInterestInSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proportion of ownership interest in subsidiary</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OwnershipInterestsInSubsidiariesTransferPercentage" xlink:label="gsm_OwnershipInterestsInSubsidiariesTransferPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OwnershipInterestsInSubsidiariesTransferPercentage" xlink:to="gsm_OwnershipInterestsInSubsidiariesTransferPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OwnershipInterestsInSubsidiariesTransferPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of ownership interest in a subsidiary transferred.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OwnershipInterestsInSubsidiariesTransferPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ownership Interests In Subsidiaries, Transfer, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OwnershipInterestsInSubsidiariesTransferPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ownership interest</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of property, plant and equipment [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of property, plant and equipment [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BuildingsMember" xlink:label="ifrs-full_BuildingsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BuildingsMember" xlink:to="ifrs-full_BuildingsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BuildingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Buildings [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BuildingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Buildings</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PlantAndMachineryMember" xlink:label="gsm_PlantAndMachineryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PlantAndMachineryMember" xlink:to="gsm_PlantAndMachineryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PlantAndMachineryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the entity's plant and machinery.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PlantAndMachineryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plant and machinery</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ToolsMember" xlink:label="gsm_ToolsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ToolsMember" xlink:to="gsm_ToolsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ToolsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the entity's tools.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ToolsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tools</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsFurnitureAndFixturesMember" xlink:label="gsm_IfrsFurnitureAndFixturesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsFurnitureAndFixturesMember" xlink:to="gsm_IfrsFurnitureAndFixturesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsFurnitureAndFixturesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the entity's furniture and fixtures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsFurnitureAndFixturesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Furniture and fixtures</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComputerEquipmentMember" xlink:label="ifrs-full_ComputerEquipmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComputerEquipmentMember" xlink:to="ifrs-full_ComputerEquipmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComputerEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Computer hardware</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_VehiclesMember" xlink:label="ifrs-full_VehiclesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_VehiclesMember" xlink:to="ifrs-full_VehiclesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_VehiclesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transport equipment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of intangible assets other than goodwill [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of intangible assets other than goodwill [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalisedDevelopmentExpenditureMember" xlink:label="ifrs-full_CapitalisedDevelopmentExpenditureMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CapitalisedDevelopmentExpenditureMember" xlink:to="ifrs-full_CapitalisedDevelopmentExpenditureMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CapitalisedDevelopmentExpenditureMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capitalised development expenditure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CapitalisedDevelopmentExpenditureMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Development Expenditure</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IFRSContractualRightsMember" xlink:label="gsm_IFRSContractualRightsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IFRSContractualRightsMember" xlink:to="gsm_IFRSContractualRightsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IFRSContractualRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Rights that arise from a contractual arrangement with a third party.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IFRSContractualRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Rights of use</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IFRSContractualRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Rights of Use</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComputerSoftwareMember" xlink:label="ifrs-full_ComputerSoftwareMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComputerSoftwareMember" xlink:to="ifrs-full_ComputerSoftwareMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComputerSoftwareMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Computer software</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComputerSoftwareMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Computer Software</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangeAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Range [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeDomain" xlink:label="ifrs-full_RangeDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangeDomain" xlink:to="ifrs-full_RangeDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangeDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Range [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BottomOfRangeMember" xlink:label="ifrs-full_BottomOfRangeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BottomOfRangeMember" xlink:to="ifrs-full_BottomOfRangeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BottomOfRangeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BottomOfRangeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TopOfRangeMember" xlink:label="ifrs-full_TopOfRangeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TopOfRangeMember" xlink:to="ifrs-full_TopOfRangeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TopOfRangeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TopOfRangeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ClassesOfRightOfUseAssetsAxis" xlink:label="gsm_ClassesOfRightOfUseAssetsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ClassesOfRightOfUseAssetsAxis" xlink:to="gsm_ClassesOfRightOfUseAssetsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ClassesOfRightOfUseAssetsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ClassesOfRightOfUseAssetsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of Right of Use Assets [axis]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CategoriesRightOfUseAssetsDomain" xlink:label="gsm_CategoriesRightOfUseAssetsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CategoriesRightOfUseAssetsDomain" xlink:to="gsm_CategoriesRightOfUseAssetsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CategoriesRightOfUseAssetsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of right of use assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CategoriesRightOfUseAssetsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories Right of Use Assets [Domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeasedLandAndBuildingsMember" xlink:label="gsm_LeasedLandAndBuildingsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeasedLandAndBuildingsMember" xlink:to="gsm_LeasedLandAndBuildingsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeasedLandAndBuildingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to leased land and buildings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeasedLandAndBuildingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Leased Land And Buildings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LeasedLandAndBuildingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Items of Leased Land and Buildings</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeasedLandAndMachineryMember" xlink:label="gsm_LeasedLandAndMachineryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeasedLandAndMachineryMember" xlink:to="gsm_LeasedLandAndMachineryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeasedLandAndMachineryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to leased plant and machinery.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeasedLandAndMachineryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Leased Plant And Machinery [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LeasedLandAndMachineryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Items of Leased Plant and machinery</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityAbstract" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityAbstract" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of intangible assets material to entity [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Useful life measured as period of time, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amortization period</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfInformationAboutPropertyPlantAndEquipmentAbstract" xlink:label="gsm_DisclosureOfInformationAboutPropertyPlantAndEquipmentAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfInformationAboutPropertyPlantAndEquipmentAbstract" xlink:to="gsm_DisclosureOfInformationAboutPropertyPlantAndEquipmentAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfInformationAboutPropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfInformationAboutPropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Information About Property Plant And Equipment [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DisclosureOfInformationAboutPropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Useful lives</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:label="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:to="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Useful life measured as period of time, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Years of Estimated Useful Life</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_UsefulLifeMeasuredAsPeriodOfTimeRightOfUseAssets" xlink:label="gsm_UsefulLifeMeasuredAsPeriodOfTimeRightOfUseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_UsefulLifeMeasuredAsPeriodOfTimeRightOfUseAssets" xlink:to="gsm_UsefulLifeMeasuredAsPeriodOfTimeRightOfUseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_UsefulLifeMeasuredAsPeriodOfTimeRightOfUseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The useful life, measured as period of time, used for rights of use assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_UsefulLifeMeasuredAsPeriodOfTimeRightOfUseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Useful Life Measured As Period Of Time Right Of Use Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_UsefulLifeMeasuredAsPeriodOfTimeRightOfUseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Years of estimated useful life - Leases.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RestrictedCashAndCashEquivalentsInSubsidiaries" xlink:label="gsm_RestrictedCashAndCashEquivalentsInSubsidiaries" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RestrictedCashAndCashEquivalentsInSubsidiaries" xlink:to="gsm_RestrictedCashAndCashEquivalentsInSubsidiaries_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RestrictedCashAndCashEquivalentsInSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current restricted cash and cash equivalents in subsidiaries subject to credit agreement restrictions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RestrictedCashAndCashEquivalentsInSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Cash And Cash Equivalents In Subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RestrictedCashAndCashEquivalentsInSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents in subsidiaries subject to credit agreement restrictions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of operating segments [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsAxis" xlink:label="ifrs-full_SegmentConsolidationItemsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SegmentConsolidationItemsAxis" xlink:to="ifrs-full_SegmentConsolidationItemsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SegmentConsolidationItemsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Segment consolidation items [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsDomain" xlink:label="ifrs-full_SegmentConsolidationItemsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SegmentConsolidationItemsDomain" xlink:to="ifrs-full_SegmentConsolidationItemsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SegmentConsolidationItemsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Segment consolidation items [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingSegmentsMember" xlink:label="ifrs-full_OperatingSegmentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OperatingSegmentsMember" xlink:to="ifrs-full_OperatingSegmentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OperatingSegmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating segments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EliminationsAndReconcilingItemsMember" xlink:label="gsm_EliminationsAndReconcilingItemsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EliminationsAndReconcilingItemsMember" xlink:to="gsm_EliminationsAndReconcilingItemsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EliminationsAndReconcilingItemsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the reconciliation items and eliminations of total segment amounts to amounts recognized in the entity's financial statements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EliminationsAndReconcilingItemsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments/Eliminations</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EuropeSiliconMetalSegmentMember" xlink:label="gsm_EuropeSiliconMetalSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EuropeSiliconMetalSegmentMember" xlink:to="gsm_EuropeSiliconMetalSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EuropeSiliconMetalSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Europe - Silicon Metal operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EuropeSiliconMetalSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe Silicon Metal Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_EuropeSiliconMetalSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe Silicon Metals</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EuropeSiliconAlloysSegmentMember" xlink:label="gsm_EuropeSiliconAlloysSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EuropeSiliconAlloysSegmentMember" xlink:to="gsm_EuropeSiliconAlloysSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EuropeSiliconAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Europe - Silicon Alloys operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EuropeSiliconAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe Silicon Alloys Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_EuropeSiliconAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe Silicon Alloys</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SouthAfricaSiliconMetalSegmentMember" xlink:label="gsm_SouthAfricaSiliconMetalSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SouthAfricaSiliconMetalSegmentMember" xlink:to="gsm_SouthAfricaSiliconMetalSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SouthAfricaSiliconMetalSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the South Africa - Silicon Metal operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SouthAfricaSiliconMetalSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">South Africa Silicon Metal Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SouthAfricaSiliconMetalSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">South Africa Silicon Metals</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SouthAfricaSiliconAlloysSegmentMember" xlink:label="gsm_SouthAfricaSiliconAlloysSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SouthAfricaSiliconAlloysSegmentMember" xlink:to="gsm_SouthAfricaSiliconAlloysSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SouthAfricaSiliconAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the South Africa - Silicon Metal operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SouthAfricaSiliconAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">South Africa Silicon Alloys Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SouthAfricaSiliconAlloysSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">South Africa Silicon Alloys</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesChannelsAxis" xlink:label="ifrs-full_SalesChannelsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SalesChannelsAxis" xlink:to="ifrs-full_SalesChannelsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SalesChannelsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales channels [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesChannelsDomain" xlink:label="ifrs-full_SalesChannelsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SalesChannelsDomain" xlink:to="ifrs-full_SalesChannelsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SalesChannelsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales channels [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodsSoldDirectlyToConsumersMember" xlink:label="ifrs-full_GoodsSoldDirectlyToConsumersMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GoodsSoldDirectlyToConsumersMember" xlink:to="ifrs-full_GoodsSoldDirectlyToConsumersMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GoodsSoldDirectlyToConsumersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Goods sold directly to consumers [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GoodsSoldDirectlyToConsumersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales to third parties</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IntercompanySalesMember" xlink:label="gsm_IntercompanySalesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IntercompanySalesMember" xlink:to="gsm_IntercompanySalesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IntercompanySalesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for intercompany sales.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IntercompanySalesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intercompany Sales [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of operating segments [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales by Geographical Area</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RawMaterialsUtilised" xlink:label="gsm_RawMaterialsUtilised" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RawMaterialsUtilised" xlink:to="gsm_RawMaterialsUtilised_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RawMaterialsUtilised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of raw materials utilized in the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RawMaterialsUtilised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw Materials Utilised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_RawMaterialsUtilised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw materials</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EnergyConsumptionForProduction" xlink:label="gsm_EnergyConsumptionForProduction" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EnergyConsumptionForProduction" xlink:to="gsm_EnergyConsumptionForProduction_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EnergyConsumptionForProduction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of energy consumption for production.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EnergyConsumptionForProduction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energy Consumption For Production</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_EnergyConsumptionForProduction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energy consumption for production</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherOperatingExpenseAdjustment" xlink:label="gsm_OtherOperatingExpenseAdjustment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherOperatingExpenseAdjustment" xlink:to="gsm_OtherOperatingExpenseAdjustment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherOperatingExpenseAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of other operating expense adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherOperatingExpenseAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Operating Expense Adjustment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProductsAndServicesTable" xlink:label="ifrs-full_DisclosureOfProductsAndServicesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfProductsAndServicesTable" xlink:to="ifrs-full_DisclosureOfProductsAndServicesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfProductsAndServicesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of products and services [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProductsAndServicesAxis" xlink:label="ifrs-full_ProductsAndServicesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProductsAndServicesAxis" xlink:to="ifrs-full_ProductsAndServicesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProductsAndServicesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Products and services [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProductsAndServicesDomain" xlink:label="ifrs-full_ProductsAndServicesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProductsAndServicesDomain" xlink:to="ifrs-full_ProductsAndServicesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProductsAndServicesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Products and services [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SiliconMetalProductLineMember" xlink:label="gsm_SiliconMetalProductLineMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SiliconMetalProductLineMember" xlink:to="gsm_SiliconMetalProductLineMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SiliconMetalProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the silicon metal product line.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SiliconMetalProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Silicon Metal Product Line [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SiliconMetalProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Silicon Metal Product Line</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ManganeseAlloysProductLineMember" xlink:label="gsm_ManganeseAlloysProductLineMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ManganeseAlloysProductLineMember" xlink:to="gsm_ManganeseAlloysProductLineMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ManganeseAlloysProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the manganese alloys product line.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ManganeseAlloysProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Manganese Alloys Product Line [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ManganeseAlloysProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Manganese Alloys Product Line</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerrosiliconProductLineMember" xlink:label="gsm_FerrosiliconProductLineMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerrosiliconProductLineMember" xlink:to="gsm_FerrosiliconProductLineMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerrosiliconProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the ferrosilicon product line.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerrosiliconProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferrosilicon Product Line [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerrosiliconProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferrosilicon Product Line</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherSiliconBasedAlloysProductLineMember" xlink:label="gsm_OtherSiliconBasedAlloysProductLineMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherSiliconBasedAlloysProductLineMember" xlink:to="gsm_OtherSiliconBasedAlloysProductLineMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherSiliconBasedAlloysProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the other silicon based alloys product line.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherSiliconBasedAlloysProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Silicon Based Alloys Product Line [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherSiliconBasedAlloysProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Silicon Based Alloys Product Line</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SilicaFumeProductLineMember" xlink:label="gsm_SilicaFumeProductLineMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SilicaFumeProductLineMember" xlink:to="gsm_SilicaFumeProductLineMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SilicaFumeProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the silica fume product line.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SilicaFumeProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Silica Fume Product Line [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SilicaFumeProductLineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Silica Fume Product Line</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherProductLinesMember" xlink:label="gsm_OtherProductLinesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherProductLinesMember" xlink:to="gsm_OtherProductLinesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherProductLinesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for other product lines not individually disclosed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherProductLinesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Product Lines [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherProductLinesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Product Lines</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProductsAndServicesLineItems" xlink:label="ifrs-full_DisclosureOfProductsAndServicesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfProductsAndServicesLineItems" xlink:to="ifrs-full_DisclosureOfProductsAndServicesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfProductsAndServicesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of products and services [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProductsAndServicesAbstract" xlink:label="ifrs-full_DisclosureOfProductsAndServicesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfProductsAndServicesAbstract" xlink:to="ifrs-full_DisclosureOfProductsAndServicesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfProductsAndServicesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of products and services [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMajorCustomersTable" xlink:label="ifrs-full_DisclosureOfMajorCustomersTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfMajorCustomersTable" xlink:to="ifrs-full_DisclosureOfMajorCustomersTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfMajorCustomersTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of major customers [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorCustomersAxis" xlink:label="ifrs-full_MajorCustomersAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MajorCustomersAxis" xlink:to="ifrs-full_MajorCustomersAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MajorCustomersAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Major customers [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorCustomersDomain" xlink:label="ifrs-full_MajorCustomersDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MajorCustomersDomain" xlink:to="ifrs-full_MajorCustomersDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MajorCustomersDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Major customers [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TopTenCustomersMember" xlink:label="gsm_TopTenCustomersMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TopTenCustomersMember" xlink:to="gsm_TopTenCustomersMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TopTenCustomersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the top ten customers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TopTenCustomersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Top Ten Customers</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DowSiliconesCorporationMember" xlink:label="gsm_DowSiliconesCorporationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DowSiliconesCorporationMember" xlink:to="gsm_DowSiliconesCorporationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DowSiliconesCorporationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Dow Silicones Corporation customer.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DowSiliconesCorporationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dow Silicones Corporation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DowSiliconesCorporationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dow Silicones Corporation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMajorCustomersLineItems" xlink:label="ifrs-full_DisclosureOfMajorCustomersLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfMajorCustomersLineItems" xlink:to="ifrs-full_DisclosureOfMajorCustomersLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfMajorCustomersLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of major customers [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMajorCustomersAbstract" xlink:label="ifrs-full_DisclosureOfMajorCustomersAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfMajorCustomersAbstract" xlink:to="ifrs-full_DisclosureOfMajorCustomersAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfMajorCustomersAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of major customers [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfEntitysRevenue" xlink:label="ifrs-full_PercentageOfEntitysRevenue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfEntitysRevenue" xlink:to="ifrs-full_PercentageOfEntitysRevenue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfEntitysRevenue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of entity's revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_PercentageOfEntitysRevenue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Company's sales</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReceivablesFromContractsWithCustomers" xlink:label="ifrs-full_ReceivablesFromContractsWithCustomers" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReceivablesFromContractsWithCustomers" xlink:to="ifrs-full_ReceivablesFromContractsWithCustomers_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReceivablesFromContractsWithCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Receivables from contracts with customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReceivablesFromContractsWithCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US" xlink:label="country_US" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_US" xlink:to="country_US_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_US_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">USA</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_GB" xlink:label="country_GB" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_GB" xlink:to="country_GB_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_GB_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">UNITED KINGDOM</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_GB_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">UK</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EuropeanCountriesMember" xlink:label="gsm_EuropeanCountriesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EuropeanCountriesMember" xlink:to="gsm_EuropeanCountriesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EuropeanCountriesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the European Countries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EuropeanCountriesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">European Countries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_EuropeanCountriesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_ES" xlink:label="country_ES" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_ES" xlink:to="country_ES_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_ES_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Spain</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EuropeanCountriesOtherThanSpainGermanyItalyMember" xlink:label="gsm_EuropeanCountriesOtherThanSpainGermanyItalyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EuropeanCountriesOtherThanSpainGermanyItalyMember" xlink:to="gsm_EuropeanCountriesOtherThanSpainGermanyItalyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EuropeanCountriesOtherThanSpainGermanyItalyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for European countries other than Spain and France.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EuropeanCountriesOtherThanSpainGermanyItalyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other EU Countries</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_WorldOtherThanEuropeanAndUSMember" xlink:label="gsm_WorldOtherThanEuropeanAndUSMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_WorldOtherThanEuropeanAndUSMember" xlink:to="gsm_WorldOtherThanEuropeanAndUSMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_WorldOtherThanEuropeanAndUSMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the World other than European Countries and USA.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_WorldOtherThanEuropeanAndUSMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Rest of World</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_WorldOtherThanEuropeanAndUSMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:label="ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:to="ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets, and rights arising under insurance contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current assets by geographical area</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reconciliation of changes in goodwill [table]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SiliconMetalsAndSiliconAlloysUnitedStatesSegmentMember" xlink:label="gsm_SiliconMetalsAndSiliconAlloysUnitedStatesSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SiliconMetalsAndSiliconAlloysUnitedStatesSegmentMember" xlink:to="gsm_SiliconMetalsAndSiliconAlloysUnitedStatesSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SiliconMetalsAndSiliconAlloysUnitedStatesSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the States - Silicon Metals and Silicon Alloys operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SiliconMetalsAndSiliconAlloysUnitedStatesSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Silicon Metals And Silicon Alloys United States Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SiliconMetalsAndSiliconAlloysUnitedStatesSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S Silicon Metal and U.S Silicon Alloys</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SiliconMetalsUnitedStatesSegmentMember" xlink:label="gsm_SiliconMetalsUnitedStatesSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SiliconMetalsUnitedStatesSegmentMember" xlink:to="gsm_SiliconMetalsUnitedStatesSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SiliconMetalsUnitedStatesSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the States - Silicon Metals operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SiliconMetalsUnitedStatesSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Silicon Metals United States Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SiliconMetalsUnitedStatesSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Silicon Metal</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SiliconAlloysUnitedStatesSegmentMember" xlink:label="gsm_SiliconAlloysUnitedStatesSegmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SiliconAlloysUnitedStatesSegmentMember" xlink:to="gsm_SiliconAlloysUnitedStatesSegmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SiliconAlloysUnitedStatesSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the States - Silicon Alloys operating segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SiliconAlloysUnitedStatesSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Silicon Alloys United States Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SiliconAlloysUnitedStatesSegmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Silicon Based Alloys</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_CarryingAmountMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CarryingAmountMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying amount [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GrossCarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GrossCarryingAmountMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gross carrying amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GrossCarryingAmountMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gross carrying amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_GrossCarryingAmountMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Acquisition cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AccumulatedImpairmentMember" xlink:to="ifrs-full_AccumulatedImpairmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AccumulatedImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated impairment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AccumulatedImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reconciliation of changes in goodwill [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInGoodwillAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInGoodwillAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfChangesInGoodwillAbstract" xlink:to="ifrs-full_ReconciliationOfChangesInGoodwillAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfChangesInGoodwillAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reconciliation of changes in goodwill [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionalRecognitionGoodwill" xlink:label="ifrs-full_AdditionalRecognitionGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdditionalRecognitionGoodwill" xlink:to="ifrs-full_AdditionalRecognitionGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdditionalRecognitionGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additional recognition, goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdditionalRecognitionGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss recognised in profit or loss, goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment of goodwill (Note 6)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:to="ifrs-full_PercentageOfVotingEquityInterestsAcquired_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of voting equity interests acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of equity interests acquired</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfCashGeneratingUnits" xlink:label="gsm_NumberOfCashGeneratingUnits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfCashGeneratingUnits" xlink:to="gsm_NumberOfCashGeneratingUnits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfCashGeneratingUnits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of cash generating units.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfCashGeneratingUnits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Cash Generating Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NumberOfCashGeneratingUnits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of cash generating units</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of significant unobservable inputs used in fair value measurement of assets [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:label="ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:to="ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discount rate applied to cash flow projections</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pre-tax discount rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:label="ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:to="ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Growth rate used to extrapolate cash flow projections</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term growth rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-Term Growth rate</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EbitdaMargin" xlink:label="gsm_EbitdaMargin" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EbitdaMargin" xlink:to="gsm_EbitdaMargin_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EbitdaMargin_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of EBITDA.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EbitdaMargin_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">EBITDA Margin</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_EbitdaMargin_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Forecasted EBITDA margins</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount" xlink:label="ifrs-full_AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount" xlink:to="ifrs-full_AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount by which unit's recoverable amount exceeds its carrying amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Excess of recoverable value over carrying value</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AmountOfShortfallOfRecoverableValueVersusCarryingValue." xlink:label="gsm_AmountOfShortfallOfRecoverableValueVersusCarryingValue." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AmountOfShortfallOfRecoverableValueVersusCarryingValue." xlink:to="gsm_AmountOfShortfallOfRecoverableValueVersusCarryingValue._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AmountOfShortfallOfRecoverableValueVersusCarryingValue._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount by which a cash-generating unit's (group of units') recoverable amount is less than its carrying amount.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AmountOfShortfallOfRecoverableValueVersusCarryingValue._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount Of Shortfall Of Recoverable Value Versus Carrying Value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_AmountOfShortfallOfRecoverableValueVersusCarryingValue._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shortfall of recoverable value versus carrying value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about intangible assets [table]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PowerSupplyAgreementsMember" xlink:label="gsm_PowerSupplyAgreementsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PowerSupplyAgreementsMember" xlink:to="gsm_PowerSupplyAgreementsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PowerSupplyAgreementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for intangible power supply agreement assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PowerSupplyAgreementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Power Supply Agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PowerSupplyAgreementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Power Supply Agreements</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GreenhouseGassesCo2Member" xlink:label="gsm_GreenhouseGassesCo2Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GreenhouseGassesCo2Member" xlink:to="gsm_GreenhouseGassesCo2Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GreenhouseGassesCo2Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a greenhouse gasses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GreenhouseGassesCo2Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Greenhouse Gasses (CO2) [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherIntangibleAssetsMember" xlink:label="ifrs-full_OtherIntangibleAssetsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherIntangibleAssetsMember" xlink:to="ifrs-full_OtherIntangibleAssetsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherIntangibleAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherIntangibleAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Intangible Assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:label="ifrs-full_AccumulatedDepreciationAndAmortisationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:to="ifrs-full_AccumulatedDepreciationAndAmortisationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AccumulatedDepreciationAndAmortisationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated depreciation and amortisation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AccumulatedDepreciationAndAmortisationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AccumulatedDepreciationAndAmortisationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated depreciation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about intangible assets [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:to="ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reconciliation of changes in intangible assets other than goodwill [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additions other than through business combinations, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposals, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposals</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through transfers, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transfers from/(to) other accounts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amortisation, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and amortization for the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through net exchange differences, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about property, plant and equipment [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LandAndBuildingsMember" xlink:label="ifrs-full_LandAndBuildingsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LandAndBuildingsMember" xlink:to="ifrs-full_LandAndBuildingsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LandAndBuildingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Land and buildings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LandAndBuildingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Land and Buildings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_LandAndBuildingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Leased land and buildings</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MachineryMember" xlink:label="ifrs-full_MachineryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MachineryMember" xlink:to="ifrs-full_MachineryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MachineryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plant and Machinery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MachineryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plant and Machinery</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FixturesAndFittingsMember" xlink:label="ifrs-full_FixturesAndFittingsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FixturesAndFittingsMember" xlink:to="ifrs-full_FixturesAndFittingsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FixturesAndFittingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixtures and fittings [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FixturesAndFittingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Fixtures, Tools and Furniture</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConstructionInProgressMember" xlink:label="ifrs-full_ConstructionInProgressMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ConstructionInProgressMember" xlink:to="ifrs-full_ConstructionInProgressMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ConstructionInProgressMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Construction in progress [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ConstructionInProgressMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, Plant and Equipment in the Course of Construction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ConstructionInProgressMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Construction in progress</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MineralReservesMember" xlink:label="gsm_MineralReservesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MineralReservesMember" xlink:to="gsm_MineralReservesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MineralReservesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for mineral reserves.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MineralReservesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Mineral Reserves [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_MineralReservesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Mineral Reserves</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:label="ifrs-full_OtherPropertyPlantAndEquipmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:to="ifrs-full_OtherPropertyPlantAndEquipmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherPropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other property, plant and equipment [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherPropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Items of Property, Plant and Equipment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about property, plant and equipment [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:to="ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reconciliation of changes in property, plant and equipment [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipmentIncludingRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additions other than through business combinations, property, plant and equipment including right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:label="ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipmentIncludingRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:to="ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposals and retirements, property, plant and equipment including right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposals and other</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipmentIncludingRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:to="ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through transfers from construction in progress, property, plant and equipment including right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transfers from/(to) other accounts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipmentIncludingRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through net exchange differences, property, plant and equipment including right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipmentIncludingRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:to="ifrs-full_DepreciationPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation, property, plant and equipment including right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and amortization for the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentIncludingRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss recognised in profit or loss, property, plant and equipment including right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment losses for the period</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IndustrialEquipmentMember" xlink:label="gsm_IndustrialEquipmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IndustrialEquipmentMember" xlink:to="gsm_IndustrialEquipmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IndustrialEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to industrial equipment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IndustrialEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Industrial Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IndustrialEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Industrial equipment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfLiabilitiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfLiabilitiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfLiabilitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of liabilities [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfLiabilitiesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfLiabilitiesDomain" xlink:to="ifrs-full_ClassesOfLiabilitiesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfLiabilitiesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of liabilities [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherFinancialLiabilitiesMember" xlink:label="gsm_OtherFinancialLiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherFinancialLiabilitiesMember" xlink:to="gsm_OtherFinancialLiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherFinancialLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for other financial liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherFinancialLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Financial Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherFinancialLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:to="ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Individual assets or cash-generating units [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:to="ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Individual assets or cash-generating units [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SelmaCguMember" xlink:label="gsm_SelmaCguMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SelmaCguMember" xlink:to="gsm_SelmaCguMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SelmaCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Selma CGU</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SelmaCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Selma CGU [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SelmaCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Selma</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AlloysInternationalMember" xlink:label="gsm_AlloysInternationalMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AlloysInternationalMember" xlink:to="gsm_AlloysInternationalMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AlloysInternationalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Alloys International.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AlloysInternationalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Alloys International</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AlloysInternationalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Alloy</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_BooCguMember" xlink:label="gsm_BooCguMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_BooCguMember" xlink:to="gsm_BooCguMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_BooCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Boo CGU</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_BooCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Boo CGU [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_BooCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Boo</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CeeDumbriaCguMember" xlink:label="gsm_CeeDumbriaCguMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CeeDumbriaCguMember" xlink:to="gsm_CeeDumbriaCguMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CeeDumbriaCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Cee-Dumbria CGU</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CeeDumbriaCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cee-Dumbria CGU [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CeeDumbriaCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cee-Dumbria</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PolokwaneCguMember" xlink:label="gsm_PolokwaneCguMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PolokwaneCguMember" xlink:to="gsm_PolokwaneCguMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PolokwaneCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Polokwane CGU</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PolokwaneCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Polokwane CGU [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PolokwaneCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Polokwane</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PuertollanoCguMember" xlink:label="gsm_PuertollanoCguMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PuertollanoCguMember" xlink:to="gsm_PuertollanoCguMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PuertollanoCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Puertollano CGU</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PuertollanoCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Puertollano CGU [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_PuertollanoCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Puertollano</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DunkirkMember" xlink:label="gsm_DunkirkMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DunkirkMember" xlink:to="gsm_DunkirkMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DunkirkMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Dunkirk CGU</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DunkirkMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dunkirk [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DunkirkMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dunkirk</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MonzonMember" xlink:label="gsm_MonzonMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MonzonMember" xlink:to="gsm_MonzonMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MonzonMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Monzon</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MonzonMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Monzon [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PierrefiteMember" xlink:label="gsm_PierrefiteMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PierrefiteMember" xlink:to="gsm_PierrefiteMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PierrefiteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Pierrefite.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PierrefiteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pierrefite [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherCguMember" xlink:label="gsm_OtherCguMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherCguMember" xlink:to="gsm_OtherCguMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Other CGU</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other CGU [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherCguMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Others</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xlink:to="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of impairment loss and reversal of impairment loss [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment losses</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CarryingValueOfCashGeneratingUnit." xlink:label="gsm_CarryingValueOfCashGeneratingUnit." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CarryingValueOfCashGeneratingUnit." xlink:to="gsm_CarryingValueOfCashGeneratingUnit._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CarryingValueOfCashGeneratingUnit._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The carrying Value Of Cash Generating Unit.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CarryingValueOfCashGeneratingUnit._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying Value Of Cash Generating Unit.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CarryingValueOfCashGeneratingUnit._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit" xlink:label="ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit" xlink:to="ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recoverable amount of asset or cash-generating unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recoverable amount of asset or cash-generating unit</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EstimateOfCostToDisposeAssetPercentage" xlink:label="gsm_EstimateOfCostToDisposeAssetPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EstimateOfCostToDisposeAssetPercentage" xlink:to="gsm_EstimateOfCostToDisposeAssetPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EstimateOfCostToDisposeAssetPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage estimate of cost to dispose of the asset.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EstimateOfCostToDisposeAssetPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Estimate Of Cost To Dispose Asset, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_EstimateOfCostToDisposeAssetPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Estimate cost to dispose based on asset category</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss recognised in profit or loss, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment of property, plant and equipment (Note 8)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment charges</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ImpairmentLossAdjustments." xlink:label="gsm_ImpairmentLossAdjustments." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ImpairmentLossAdjustments." xlink:to="gsm_ImpairmentLossAdjustments._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ImpairmentLossAdjustments._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of impairment loss adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ImpairmentLossAdjustments._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment Loss Adjustments.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:label="ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:to="ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reversal of impairment loss recognised in profit or loss, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reversal of impairment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment reversal of property, plant and equipment (Note 8).</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PostTaxDiscountRate" xlink:label="gsm_PostTaxDiscountRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PostTaxDiscountRate" xlink:to="gsm_PostTaxDiscountRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PostTaxDiscountRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of post tax discount rate used to estimate the fair value less cost of disposal.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PostTaxDiscountRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Post Tax Discount Rate</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageReductionOfRecoverableAmountOfPierrefitteEmalahleni" xlink:label="gsm_PercentageReductionOfRecoverableAmountOfPierrefitteEmalahleni" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageReductionOfRecoverableAmountOfPierrefitteEmalahleni" xlink:to="gsm_PercentageReductionOfRecoverableAmountOfPierrefitteEmalahleni_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageReductionOfRecoverableAmountOfPierrefitteEmalahleni_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The Percentage Reduction Of Recoverable Amount of Pierrefitte and Emalahleni CGU.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageReductionOfRecoverableAmountOfPierrefitteEmalahleni_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Reduction Of Recoverable Amount of Pierrefitte Emalahleni</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" xlink:label="ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" xlink:to="ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment, pledged as security</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment pledged as security</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfJointVenturesTable" xlink:label="ifrs-full_DisclosureOfJointVenturesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfJointVenturesTable" xlink:to="ifrs-full_DisclosureOfJointVenturesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfJointVenturesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of joint ventures [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfJointVenturesLineItems" xlink:label="ifrs-full_DisclosureOfJointVenturesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_DisclosureOfJointVenturesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfJointVenturesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of joint ventures [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfJointVenturesAbstract" xlink:label="ifrs-full_DisclosureOfJointVenturesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfJointVenturesAbstract" xlink:to="ifrs-full_DisclosureOfJointVenturesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfJointVenturesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of joint ventures [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalCommitments" xlink:label="ifrs-full_CapitalCommitments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CapitalCommitments" xlink:to="ifrs-full_CapitalCommitments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CapitalCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital commitments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CapitalCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital expenditure commitments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitTable" xlink:label="ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitTable" xlink:to="ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnobservableInputsAxis" xlink:label="ifrs-full_UnobservableInputsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UnobservableInputsAxis" xlink:to="ifrs-full_UnobservableInputsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UnobservableInputsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unobservable inputs [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnobservableInputsDomain" xlink:label="ifrs-full_UnobservableInputsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UnobservableInputsDomain" xlink:to="ifrs-full_UnobservableInputsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UnobservableInputsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unobservable inputs [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageCostOfCapitalMeasurementInputMember" xlink:label="ifrs-full_WeightedAverageCostOfCapitalMeasurementInputMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageCostOfCapitalMeasurementInputMember" xlink:to="ifrs-full_WeightedAverageCostOfCapitalMeasurementInputMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageCostOfCapitalMeasurementInputMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average cost of capital (pre-tax)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageCostOfCapitalMeasurementInputMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discount rate</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LongTermGrowthRateMember" xlink:label="gsm_LongTermGrowthRateMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LongTermGrowthRateMember" xlink:to="gsm_LongTermGrowthRateMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LongTermGrowthRateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the long-term growth rate used as a measurement input.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LongTermGrowthRateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term Growth Rate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LongTermGrowthRateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term growth rate</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EarningsBeforeInterestTaxesDepreciationAndAmortizationMember" xlink:label="gsm_EarningsBeforeInterestTaxesDepreciationAndAmortizationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EarningsBeforeInterestTaxesDepreciationAndAmortizationMember" xlink:to="gsm_EarningsBeforeInterestTaxesDepreciationAndAmortizationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EarningsBeforeInterestTaxesDepreciationAndAmortizationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for earnings before interest, taxes, depreciation, and amortization used as a measurement input.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EarningsBeforeInterestTaxesDepreciationAndAmortizationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earnings Before Interest, Taxes, Depreciation, And Amortization [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_EarningsBeforeInterestTaxesDepreciationAndAmortizationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">EBITDA</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitLineItems" xlink:label="ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitLineItems" xlink:to="ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CarryingValueOfCashGeneratingUnit" xlink:label="gsm_CarryingValueOfCashGeneratingUnit" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CarryingValueOfCashGeneratingUnit" xlink:to="gsm_CarryingValueOfCashGeneratingUnit_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CarryingValueOfCashGeneratingUnit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The carrying value of cash-generating unit.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CarryingValueOfCashGeneratingUnit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying Value Of Cash generating Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CarryingValueOfCashGeneratingUnit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying Value</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AmountByWhichRecoverableAmountIsLowerThanCarryingAmountCgu" xlink:label="gsm_AmountByWhichRecoverableAmountIsLowerThanCarryingAmountCgu" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AmountByWhichRecoverableAmountIsLowerThanCarryingAmountCgu" xlink:to="gsm_AmountByWhichRecoverableAmountIsLowerThanCarryingAmountCgu_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AmountByWhichRecoverableAmountIsLowerThanCarryingAmountCgu_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount by which recoverable amount of a cash-generating unit is lower than it's carrying amount.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AmountByWhichRecoverableAmountIsLowerThanCarryingAmountCgu_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount By Which Recoverable Amount is lower than Carrying Amount CGU</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_AmountByWhichRecoverableAmountIsLowerThanCarryingAmountCgu_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount by which recoverable amount is lower than carrying amount.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleDecreaseInAssumption" xlink:label="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleDecreaseInAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleDecreaseInAssumption" xlink:to="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleDecreaseInAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleDecreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of increase (decrease) in CGU valuation due to reasonably possible decrease in assumption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleDecreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase decrease in valuation due to reasonably possible decrease in assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleDecreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in CGU valuation due to decrease in assumption.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleIncreaseInAssumption" xlink:label="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleIncreaseInAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleIncreaseInAssumption" xlink:to="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleIncreaseInAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleIncreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of increase (decrease) in CGU valuation due to reasonably possible increase in assumption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleIncreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase decrease in valuation due to reasonably possible increase in assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleIncreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) in CGU valuation due to increase in assumption</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PotentialReductionInRecoverableAmountOfAlloyCgu" xlink:label="gsm_PotentialReductionInRecoverableAmountOfAlloyCgu" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PotentialReductionInRecoverableAmountOfAlloyCgu" xlink:to="gsm_PotentialReductionInRecoverableAmountOfAlloyCgu_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PotentialReductionInRecoverableAmountOfAlloyCgu_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The Potential Reduction In Recoverable Amount Of Alloy CGU.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PotentialReductionInRecoverableAmountOfAlloyCgu_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Potential Reduction In Recoverable Amount Of Alloy CGU</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfReasonablePossibleDecreaseInAssumption" xlink:label="gsm_PercentageOfReasonablePossibleDecreaseInAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfReasonablePossibleDecreaseInAssumption" xlink:to="gsm_PercentageOfReasonablePossibleDecreaseInAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfReasonablePossibleDecreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of reasonable Possible decrease In Assumption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfReasonablePossibleDecreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Reasonable Possible Decrease In Assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfReasonablePossibleDecreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage decrease</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfReasonablePossibleIncreaseInAssumption" xlink:label="gsm_PercentageOfReasonablePossibleIncreaseInAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfReasonablePossibleIncreaseInAssumption" xlink:to="gsm_PercentageOfReasonablePossibleIncreaseInAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfReasonablePossibleIncreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of reasonable Possible Increase In Assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfReasonablePossibleIncreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of reasonable Possible Increase In Assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfReasonablePossibleIncreaseInAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage increase</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsTable" xlink:label="ifrs-full_DisclosureOfFinancialAssetsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_DisclosureOfFinancialAssetsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialAssetsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial assets [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of financial assets [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:label="ifrs-full_CategoriesOfFinancialAssetsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="ifrs-full_CategoriesOfFinancialAssetsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialAssetsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of financial assets [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:to="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amortized cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value through profit or loss - mandatorily measured</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value through other comprehensive income - designated</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of financial assets [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of financial assets [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherFinancialAssetsMember" xlink:label="gsm_OtherFinancialAssetsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherFinancialAssetsMember" xlink:to="gsm_OtherFinancialAssetsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherFinancialAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for other financial assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherFinancialAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherFinancialAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial asset.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ReceivablesFromRelatedPartiesMember" xlink:label="gsm_ReceivablesFromRelatedPartiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ReceivablesFromRelatedPartiesMember" xlink:to="gsm_ReceivablesFromRelatedPartiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ReceivablesFromRelatedPartiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for receivables from related parties.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ReceivablesFromRelatedPartiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Receivables from related parties</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeReceivablesMember" xlink:label="ifrs-full_TradeReceivablesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeReceivablesMember" xlink:to="ifrs-full_TradeReceivablesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade receivables</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherReceivablesMember" xlink:label="gsm_OtherReceivablesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherReceivablesMember" xlink:to="gsm_OtherReceivablesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for other receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other receivables.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RestrictedCashMember" xlink:label="gsm_RestrictedCashMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RestrictedCashMember" xlink:to="gsm_RestrictedCashMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RestrictedCashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to restricted cash.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RestrictedCashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RestrictedCashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CashEquivalentsAndCashMember" xlink:label="gsm_CashEquivalentsAndCashMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CashEquivalentsAndCashMember" xlink:to="gsm_CashEquivalentsAndCashMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CashEquivalentsAndCashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information pertaining to cash and cash equivalents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CashEquivalentsAndCashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CashEquivalentsAndCashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFinancialAssetsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialAssetsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial assets [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssets" xlink:to="ifrs-full_FinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_FinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEquitySecuritiesMember" xlink:label="ifrs-full_OtherEquitySecuritiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherEquitySecuritiesMember" xlink:to="ifrs-full_OtherEquitySecuritiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherEquitySecuritiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity securities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FinancialInvestmentsMember" xlink:label="gsm_FinancialInvestmentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FinancialInvestmentsMember" xlink:to="gsm_FinancialInvestmentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FinancialInvestmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for financial investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FinancialInvestmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Investments [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FinancialInvestmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_FinancialInvestmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial investments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NewMarketsTaxCreditProgramMember" xlink:label="gsm_NewMarketsTaxCreditProgramMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NewMarketsTaxCreditProgramMember" xlink:to="gsm_NewMarketsTaxCreditProgramMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NewMarketsTaxCreditProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to  NMTC program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NewMarketsTaxCreditProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NMTC Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NewMarketsTaxCreditProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NMTC Program</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativesMember" xlink:label="ifrs-full_DerivativesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DerivativesMember" xlink:to="ifrs-full_DerivativesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DerivativesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DerivativesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroPemSASMember" xlink:label="gsm_FerroPemSASMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroPemSASMember" xlink:to="gsm_FerroPemSASMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroPemSASMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information related to FerroPem SAS.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroPemSASMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FerroPem SAS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Levels of fair value hierarchy [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_LevelsOfFairValueHierarchyDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Levels of fair value hierarchy [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level2OfFairValueHierarchyMember" xlink:label="ifrs-full_Level2OfFairValueHierarchyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="ifrs-full_Level2OfFairValueHierarchyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Level2OfFairValueHierarchyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Level 2 of fair value hierarchy</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InvestmentInSelmaGlobeInvestmentFundLlcMember" xlink:label="gsm_InvestmentInSelmaGlobeInvestmentFundLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InvestmentInSelmaGlobeInvestmentFundLlcMember" xlink:to="gsm_InvestmentInSelmaGlobeInvestmentFundLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InvestmentInSelmaGlobeInvestmentFundLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for investment in Selma Globe Investment Fund, LLC.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InvestmentInSelmaGlobeInvestmentFundLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Selma Globe Investment Fund, LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MoIndustriparkMember" xlink:label="gsm_MoIndustriparkMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MoIndustriparkMember" xlink:to="gsm_MoIndustriparkMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MoIndustriparkMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for investment in Mo Industripark.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MoIndustriparkMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Mo Industripark [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CoreshellMember" xlink:label="gsm_CoreshellMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CoreshellMember" xlink:to="gsm_CoreshellMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CoreshellMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for investment in Coreshell, a U.S based startup developing nanocoating solutions for silicon-dominant anodes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CoreshellMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Coreshell [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MeasurementAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Measurement [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MeasurementDomain" xlink:to="ifrs-full_MeasurementDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MeasurementDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Measurement [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember" xlink:label="ifrs-full_AtFairValueMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AtFairValueMember" xlink:to="ifrs-full_AtFairValueMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AtFairValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">At fair value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentFinancialAssets" xlink:label="ifrs-full_NoncurrentFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentFinancialAssets" xlink:to="ifrs-full_NoncurrentFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentFinancialAssets" xlink:label="ifrs-full_CurrentFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentFinancialAssets" xlink:to="ifrs-full_CurrentFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFinancialAssets" xlink:label="ifrs-full_OtherFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinancialAssets" xlink:to="ifrs-full_OtherFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial assets held with third parties</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FinancialAssetsDepositsPeriod" xlink:label="gsm_FinancialAssetsDepositsPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FinancialAssetsDepositsPeriod" xlink:to="gsm_FinancialAssetsDepositsPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FinancialAssetsDepositsPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period for the financial assets deposits provided to invest in construction or renovation of housing to be returned.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FinancialAssetsDepositsPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Assets Deposits Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FinancialAssetsDepositsPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period for return of deposits</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:to="ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments other than investments accounted for using equity method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial investments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfSharesPurchased." xlink:label="gsm_NumberOfSharesPurchased." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfSharesPurchased." xlink:to="gsm_NumberOfSharesPurchased._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfSharesPurchased._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of shares purchased.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfSharesPurchased._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Shares Purchased.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities" xlink:label="ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities" xlink:to="ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from government grants, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grants received</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LoansToGovernment" xlink:label="ifrs-full_LoansToGovernment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LoansToGovernment" xlink:to="ifrs-full_LoansToGovernment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LoansToGovernment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loans to government</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LoansToGovernment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deposit given to the French government.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivablesAbstract" xlink:label="ifrs-full_TradeAndOtherCurrentReceivablesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentReceivablesAbstract" xlink:to="ifrs-full_TradeAndOtherCurrentReceivablesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentReceivablesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other current receivables [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentValueAddedTaxReceivables" xlink:label="ifrs-full_CurrentValueAddedTaxReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentValueAddedTaxReceivables" xlink:to="ifrs-full_CurrentValueAddedTaxReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentValueAddedTaxReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current value added tax receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentValueAddedTaxReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax receivables</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CurrentGovernmentGrantReceivables" xlink:label="gsm_CurrentGovernmentGrantReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CurrentGovernmentGrantReceivables" xlink:to="gsm_CurrentGovernmentGrantReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CurrentGovernmentGrantReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current trade receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CurrentGovernmentGrantReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Government Grant Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CurrentGovernmentGrantReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Government grant receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReceivables" xlink:label="ifrs-full_OtherReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherReceivables" xlink:to="ifrs-full_OtherReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of impairment loss and reversal of impairment loss [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:to="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of impairment loss and reversal of impairment loss [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract" xlink:to="ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reconciliation of changes in allowance account for credit losses of financial assets [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets" xlink:to="ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through changes in models or risk parameters, financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment losses recognized</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DecreaseThroughCollectionOfPreviouslyWrittenOffBalances" xlink:label="gsm_DecreaseThroughCollectionOfPreviouslyWrittenOffBalances" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DecreaseThroughCollectionOfPreviouslyWrittenOffBalances" xlink:to="gsm_DecreaseThroughCollectionOfPreviouslyWrittenOffBalances_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DecreaseThroughCollectionOfPreviouslyWrittenOffBalances_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The decrease as a result of collection of previously written off balances</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DecreaseThroughCollectionOfPreviouslyWrittenOffBalances_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease Through Collection Of Previously Written Off Balances</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_DecreaseThroughCollectionOfPreviouslyWrittenOffBalances_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collection of previously written off balances</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets" xlink:label="ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets" xlink:to="ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through foreign exchange, financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis" xlink:to="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Continuing involvement in derecognised financial assets by type of instrument [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain" xlink:to="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Continuing involvement in derecognised financial assets by type of instrument [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FactoringOfReceivablesMember" xlink:label="ifrs-full_FactoringOfReceivablesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FactoringOfReceivablesMember" xlink:to="ifrs-full_FactoringOfReceivablesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FactoringOfReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Factoring of receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfInterestRatesAxis" xlink:label="ifrs-full_TypesOfInterestRatesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfInterestRatesAxis" xlink:to="ifrs-full_TypesOfInterestRatesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfInterestRatesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of interest rates [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfInterestRatesDomain" xlink:label="ifrs-full_TypesOfInterestRatesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfInterestRatesDomain" xlink:to="ifrs-full_TypesOfInterestRatesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfInterestRatesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of interest rates [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EuriborMember" xlink:label="gsm_EuriborMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EuriborMember" xlink:to="gsm_EuriborMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EuriborMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for EURIBOR.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EuriborMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">EURIBOR.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_BankInterMember" xlink:label="gsm_BankInterMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_BankInterMember" xlink:to="gsm_BankInterMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_BankInterMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for factoring arrangements with Bank inter.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_BankInterMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank inter [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_BankInterMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bankinter</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MaximumCashConsiderationForFinancingFacility" xlink:label="gsm_MaximumCashConsiderationForFinancingFacility" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MaximumCashConsiderationForFinancingFacility" xlink:to="gsm_MaximumCashConsiderationForFinancingFacility_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MaximumCashConsiderationForFinancingFacility_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of maximum cash consideration that will be advanced for the financing facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MaximumCashConsiderationForFinancingFacility_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum Cash Consideration For Financing Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_MaximumCashConsiderationForFinancingFacility_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash consideration advanced for the financing facility</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfAccountsReceivableProvidedAsGuaranteeToAgentUntilPaymentHasBeenSatisfied" xlink:label="gsm_PercentageOfAccountsReceivableProvidedAsGuaranteeToAgentUntilPaymentHasBeenSatisfied" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfAccountsReceivableProvidedAsGuaranteeToAgentUntilPaymentHasBeenSatisfied" xlink:to="gsm_PercentageOfAccountsReceivableProvidedAsGuaranteeToAgentUntilPaymentHasBeenSatisfied_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfAccountsReceivableProvidedAsGuaranteeToAgentUntilPaymentHasBeenSatisfied_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of accounts receivable as guarantee provided to the Agent until payment has been satisfied.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfAccountsReceivableProvidedAsGuaranteeToAgentUntilPaymentHasBeenSatisfied_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Accounts Receivable Provided As Guarantee To Agent Until Payment Has Been Satisfied</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfAccountsReceivableProvidedAsGuaranteeToAgentUntilPaymentHasBeenSatisfied_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of accounts receivable</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfAnnualAgentFeeAppliedToRevenues" xlink:label="gsm_PercentageOfAnnualAgentFeeAppliedToRevenues" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfAnnualAgentFeeAppliedToRevenues" xlink:to="gsm_PercentageOfAnnualAgentFeeAppliedToRevenues_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfAnnualAgentFeeAppliedToRevenues_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of annual fees applied to annual revenues ceded to the Agent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfAnnualAgentFeeAppliedToRevenues_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Annual Agent Fee Applied To Revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfAnnualAgentFeeAppliedToRevenues_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of annual agent fee</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_BadDebtLossesNotCoveredByInsuranceProvider" xlink:label="gsm_BadDebtLossesNotCoveredByInsuranceProvider" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_BadDebtLossesNotCoveredByInsuranceProvider" xlink:to="gsm_BadDebtLossesNotCoveredByInsuranceProvider_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_BadDebtLossesNotCoveredByInsuranceProvider_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of first bad debt losses not covered by the insurance provider.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_BadDebtLossesNotCoveredByInsuranceProvider_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bad Debt Losses Not Covered By Insurance Provider</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_BadDebtLossesNotCoveredByInsuranceProvider_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bad debt losses not covered by the insurance provider.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Borrowings" xlink:label="ifrs-full_Borrowings" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Borrowings" xlink:to="ifrs-full_Borrowings_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Outstanding balance</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RecognisedLiabilitiesRepresentingContinuingInvolvementInDerecognisedFinancialAssets" xlink:label="ifrs-full_RecognisedLiabilitiesRepresentingContinuingInvolvementInDerecognisedFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RecognisedLiabilitiesRepresentingContinuingInvolvementInDerecognisedFinancialAssets" xlink:to="ifrs-full_RecognisedLiabilitiesRepresentingContinuingInvolvementInDerecognisedFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RecognisedLiabilitiesRepresentingContinuingInvolvementInDerecognisedFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recognised liabilities representing continuing involvement in derecognised financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RecognisedLiabilitiesRepresentingContinuingInvolvementInDerecognisedFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recognised bank borrowing debt</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsThatEntityContinuesToRecognise" xlink:label="ifrs-full_AssetsThatEntityContinuesToRecognise" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsThatEntityContinuesToRecognise" xlink:to="ifrs-full_AssetsThatEntityContinuesToRecognise_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsThatEntityContinuesToRecognise_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets that entity continues to recognise</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AssetsThatEntityContinuesToRecognise_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other receivables</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ReceivableServiceFeesPercentage" xlink:label="gsm_ReceivableServiceFeesPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ReceivableServiceFeesPercentage" xlink:to="gsm_ReceivableServiceFeesPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ReceivableServiceFeesPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of service fees of receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ReceivableServiceFeesPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Receivable Service Fees, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ReceivableServiceFeesPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Receivable service fee</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FinancingCostPercentage" xlink:label="gsm_FinancingCostPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FinancingCostPercentage" xlink:to="gsm_FinancingCostPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FinancingCostPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of financing cost.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FinancingCostPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing Cost Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FinancingCostPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing cost percentage</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FinancingClosingFeesPercentage" xlink:label="gsm_FinancingClosingFeesPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FinancingClosingFeesPercentage" xlink:to="gsm_FinancingClosingFeesPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FinancingClosingFeesPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of closing fees of financing.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FinancingClosingFeesPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing Closing Fees, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FinancingClosingFeesPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing closing fees</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AnnualRenewalFeePercentage" xlink:label="gsm_AnnualRenewalFeePercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AnnualRenewalFeePercentage" xlink:to="gsm_AnnualRenewalFeePercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AnnualRenewalFeePercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Annual renewal fee percentage incurred in the exchange of the notes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AnnualRenewalFeePercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Annual Renewal Fee Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AnnualRenewalFeePercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Annual renewal fee percentage</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IndirectCarbonDioxideEmissionCompensationDeductedAgainstRelatedExpenses" xlink:label="gsm_IndirectCarbonDioxideEmissionCompensationDeductedAgainstRelatedExpenses" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IndirectCarbonDioxideEmissionCompensationDeductedAgainstRelatedExpenses" xlink:to="gsm_IndirectCarbonDioxideEmissionCompensationDeductedAgainstRelatedExpenses_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IndirectCarbonDioxideEmissionCompensationDeductedAgainstRelatedExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of indirect carbon dioxide emission compensation deducted against the related expenses in "Raw Materials and energy consumption for production" in the consolidated income statement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IndirectCarbonDioxideEmissionCompensationDeductedAgainstRelatedExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Indirect Carbon Dioxide Emission Compensation Deducted Against The Related Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IndirectCarbonDioxideEmissionCompensationDeductedAgainstRelatedExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Indirect carbon dioxide emission compensation deducted against the related expense in "Raw Materials and energy consumption for production"</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsInventoryCurrentTable" xlink:label="gsm_IfrsInventoryCurrentTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsInventoryCurrentTable" xlink:to="gsm_IfrsInventoryCurrentTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsInventoryCurrentTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of information about inventory expected to be sold or consumed within one year or operating cycle, if longer.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsInventoryCurrentTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Inventory Current [Table]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ScheduleOfInventoryDisclosureLineItems" xlink:label="gsm_ScheduleOfInventoryDisclosureLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ScheduleOfInventoryDisclosureLineItems" xlink:to="gsm_ScheduleOfInventoryDisclosureLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ScheduleOfInventoryDisclosureLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items represent financial concepts included in a table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ScheduleOfInventoryDisclosureLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule Of Inventory Disclosure [Line Items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinishedGoods" xlink:label="ifrs-full_FinishedGoods" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinishedGoods" xlink:to="ifrs-full_FinishedGoods_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinishedGoods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current finished goods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinishedGoods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finished goods</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WorkInProgress" xlink:label="ifrs-full_WorkInProgress" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WorkInProgress" xlink:to="ifrs-full_WorkInProgress_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WorkInProgress_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current work in progress</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WorkInProgress_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw materials in progress and industrial supplies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherInventories" xlink:label="ifrs-full_OtherInventories" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherInventories" xlink:to="ifrs-full_OtherInventories_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherInventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherInventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other inventories</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InventoriesTotal" xlink:label="ifrs-full_InventoriesTotal" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InventoriesTotal" xlink:to="ifrs-full_InventoriesTotal_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InventoriesTotal_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_InventoriesTotal_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total inventories.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="ifrs-full_ClassesOfAssetsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfAssetsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of assets [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsDomain" xlink:label="ifrs-full_ClassesOfAssetsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfAssetsDomain" xlink:to="ifrs-full_ClassesOfAssetsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfAssetsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of assets [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FinishedGoodsMember" xlink:label="gsm_FinishedGoodsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FinishedGoodsMember" xlink:to="gsm_FinishedGoodsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FinishedGoodsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for finished goods.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FinishedGoodsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finished goods [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FinishedGoodsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finished goods</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RawMaterials.Member" xlink:label="gsm_RawMaterials.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RawMaterials.Member" xlink:to="gsm_RawMaterials.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RawMaterials.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for raw materials.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RawMaterials.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw materials. [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RawMaterials.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw material</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" xlink:label="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" xlink:to="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Write-downs (reversals of write-downs) of inventories [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InventoryWritedown2011" xlink:label="ifrs-full_InventoryWritedown2011" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InventoryWritedown2011" xlink:to="ifrs-full_InventoryWritedown2011_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InventoryWritedown2011_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventory write-down</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PurchaseCommitmentsAndCollateralAbstract" xlink:label="gsm_PurchaseCommitmentsAndCollateralAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PurchaseCommitmentsAndCollateralAbstract" xlink:to="gsm_PurchaseCommitmentsAndCollateralAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PurchaseCommitmentsAndCollateralAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PurchaseCommitmentsAndCollateralAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Commitments And Collateral [Abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InventoriesPledgedAsSecurityForLiabilities" xlink:label="ifrs-full_InventoriesPledgedAsSecurityForLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InventoriesPledgedAsSecurityForLiabilities" xlink:to="ifrs-full_InventoriesPledgedAsSecurityForLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InventoriesPledgedAsSecurityForLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories pledged as security for liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InventoriesPledgedAsSecurityForLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories pledged as collateral</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="ifrs-full_DisclosureOfContingentLiabilitiesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of contingent liabilities [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfContingentLiabilitiesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of contingent liabilities [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantee commitments to third parties and other contingent assets and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NoncurrentGuaranteesAndNoncurrentDeposits" xlink:label="gsm_NoncurrentGuaranteesAndNoncurrentDeposits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NoncurrentGuaranteesAndNoncurrentDeposits" xlink:to="gsm_NoncurrentGuaranteesAndNoncurrentDeposits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NoncurrentGuaranteesAndNoncurrentDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non-current guarantees and noncurrent deposits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NoncurrentGuaranteesAndNoncurrentDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Noncurrent guarantees and noncurrent deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NoncurrentGuaranteesAndNoncurrentDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantees and deposits - Non-Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CurrentGuaranteesAndCurrentDeposits" xlink:label="gsm_CurrentGuaranteesAndCurrentDeposits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CurrentGuaranteesAndCurrentDeposits" xlink:to="gsm_CurrentGuaranteesAndCurrentDeposits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CurrentGuaranteesAndCurrentDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current guarantees and current deposits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CurrentGuaranteesAndCurrentDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current guarantees and current deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CurrentGuaranteesAndCurrentDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantees and deposits - Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GuaranteesAndDeposits" xlink:label="gsm_GuaranteesAndDeposits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GuaranteesAndDeposits" xlink:to="gsm_GuaranteesAndDeposits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GuaranteesAndDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of guarantees and deposits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GuaranteesAndDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantees and deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_GuaranteesAndDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantees and deposits - Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentPrepaymentsAndNoncurrentAccruedIncomeOtherThanNoncurrentContractAssets" xlink:label="ifrs-full_NoncurrentPrepaymentsAndNoncurrentAccruedIncomeOtherThanNoncurrentContractAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentPrepaymentsAndNoncurrentAccruedIncomeOtherThanNoncurrentContractAssets" xlink:to="ifrs-full_NoncurrentPrepaymentsAndNoncurrentAccruedIncomeOtherThanNoncurrentContractAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentPrepaymentsAndNoncurrentAccruedIncomeOtherThanNoncurrentContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current prepayments and non-current accrued income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentPrepaymentsAndNoncurrentAccruedIncomeOtherThanNoncurrentContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prepayments and accrued income - Non-Current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets" xlink:label="ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets" xlink:to="ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current prepayments and current accrued income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prepayments and accrued income - Current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PrepaymentsAndAccruedIncomeOtherThanContractAssets" xlink:label="ifrs-full_PrepaymentsAndAccruedIncomeOtherThanContractAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PrepaymentsAndAccruedIncomeOtherThanContractAssets" xlink:to="ifrs-full_PrepaymentsAndAccruedIncomeOtherThanContractAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PrepaymentsAndAccruedIncomeOtherThanContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prepayments and accrued income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_PrepaymentsAndAccruedIncomeOtherThanContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prepayments and accrued income - Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAdvancesToSuppliers" xlink:label="ifrs-full_CurrentAdvancesToSuppliers" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAdvancesToSuppliers" xlink:to="ifrs-full_CurrentAdvancesToSuppliers_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAdvancesToSuppliers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Advances to suppliers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentAdvancesToSuppliers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Advances to suppliers - Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AdvancesToSuppliersNonCurrent" xlink:label="gsm_AdvancesToSuppliersNonCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AdvancesToSuppliersNonCurrent" xlink:to="gsm_AdvancesToSuppliersNonCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AdvancesToSuppliersNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Non-current advances made to suppliers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AdvancesToSuppliersNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Advances To Suppliers Non Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AdvancesToSuppliersNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Advances to suppliers - Non-Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AdvancesToSuppliersTotal" xlink:label="gsm_AdvancesToSuppliersTotal" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AdvancesToSuppliersTotal" xlink:to="gsm_AdvancesToSuppliersTotal_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AdvancesToSuppliersTotal_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of total advances made to suppliers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AdvancesToSuppliersTotal_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Advances To Suppliers Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_AdvancesToSuppliersTotal_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Advances to suppliers - Total</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MiscellaneousOtherNoncurrentAssets" xlink:label="gsm_MiscellaneousOtherNoncurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MiscellaneousOtherNoncurrentAssets" xlink:to="gsm_MiscellaneousOtherNoncurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MiscellaneousOtherNoncurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of miscellaneous other noncurrent assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MiscellaneousOtherNoncurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous other noncurrent assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_MiscellaneousOtherNoncurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other assets - Non-Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MiscellaneousOtherCurrentAssets" xlink:label="gsm_MiscellaneousOtherCurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MiscellaneousOtherCurrentAssets" xlink:to="gsm_MiscellaneousOtherCurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MiscellaneousOtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of miscellaneous other current assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MiscellaneousOtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_MiscellaneousOtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other assets - Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MiscellaneousOtherAssets" xlink:label="gsm_MiscellaneousOtherAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MiscellaneousOtherAssets" xlink:to="gsm_MiscellaneousOtherAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MiscellaneousOtherAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of miscellaneous other assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MiscellaneousOtherAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_MiscellaneousOtherAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other assets - Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAssets" xlink:label="ifrs-full_OtherAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherAssets" xlink:to="ifrs-full_OtherAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_BenefitReceivedRelatedToProgramAdministeredByFrenchEnergyRegulatoryCommission" xlink:label="gsm_BenefitReceivedRelatedToProgramAdministeredByFrenchEnergyRegulatoryCommission" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_BenefitReceivedRelatedToProgramAdministeredByFrenchEnergyRegulatoryCommission" xlink:to="gsm_BenefitReceivedRelatedToProgramAdministeredByFrenchEnergyRegulatoryCommission_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_BenefitReceivedRelatedToProgramAdministeredByFrenchEnergyRegulatoryCommission_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Benefit received related to benefit from a program administered by the French Energy Regulatory Commission and additional agreement with EDF which resulted in different electricity prices.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_BenefitReceivedRelatedToProgramAdministeredByFrenchEnergyRegulatoryCommission_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Benefit Received Related To Program Administered By French Energy Regulatory Commission</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_BenefitReceivedRelatedToProgramAdministeredByFrenchEnergyRegulatoryCommission_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Benefit received</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of classes of share capital [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of related parties [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:label="ifrs-full_CategoriesOfRelatedPartiesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:to="ifrs-full_CategoriesOfRelatedPartiesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfRelatedPartiesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of related parties [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrupoVillarMirSauMember" xlink:label="gsm_GrupoVillarMirSauMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrupoVillarMirSauMember" xlink:to="gsm_GrupoVillarMirSauMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrupoVillarMirSauMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Grupo Villar Mir S.A.U. Former parent of the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrupoVillarMirSauMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grupo Villar Mir SAU</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GrupoVillarMirSauMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grupo Villar Mir SAU</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CooperCreekPartnersManagementLlcMember" xlink:label="gsm_CooperCreekPartnersManagementLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CooperCreekPartnersManagementLlcMember" xlink:to="gsm_CooperCreekPartnersManagementLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CooperCreekPartnersManagementLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Cooper Creek Partners Management LLC.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CooperCreekPartnersManagementLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cooper Creek Partners Management LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CooperCreekPartnersManagementLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cooper Creek Partners Management LLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_HoskingPartnersLlpMember" xlink:label="gsm_HoskingPartnersLlpMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_HoskingPartnersLlpMember" xlink:to="gsm_HoskingPartnersLlpMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_HoskingPartnersLlpMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Hosking Partners LLP</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_HoskingPartnersLlpMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hosking Partners LLP [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherRelatedPartiesNotDisclosedSeparatelyMember" xlink:label="gsm_OtherRelatedPartiesNotDisclosedSeparatelyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherRelatedPartiesNotDisclosedSeparatelyMember" xlink:to="gsm_OtherRelatedPartiesNotDisclosedSeparatelyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherRelatedPartiesNotDisclosedSeparatelyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for other related parties not disclosed separately.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherRelatedPartiesNotDisclosedSeparatelyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Related Parties Not Disclosed Separately [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherRelatedPartiesNotDisclosedSeparatelyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Others</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of classes of share capital [line items]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfInterimDividendPaymentsDeclared" xlink:label="gsm_NumberOfInterimDividendPaymentsDeclared" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfInterimDividendPaymentsDeclared" xlink:to="gsm_NumberOfInterimDividendPaymentsDeclared_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfInterimDividendPaymentsDeclared_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of interim dividend payments declared by the entity during the reporting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfInterimDividendPaymentsDeclared_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Interim Dividend Payments Declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NumberOfInterimDividendPaymentsDeclared_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of interim dividend payments declared</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:label="ifrs-full_DividendsPaidOrdinarySharesPerShare" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:to="ifrs-full_DividendsPaidOrdinarySharesPerShare_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsPaidOrdinarySharesPerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid, ordinary shares per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DividendsPaidOrdinarySharesPerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid, per share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsPaidOrdinaryShares" xlink:label="ifrs-full_DividendsPaidOrdinaryShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsPaidOrdinaryShares" xlink:to="ifrs-full_DividendsPaidOrdinaryShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsPaidOrdinaryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid, ordinary shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DividendsPaidOrdinaryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid, ordinary shares</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsPaidToNoncontrollingInterests" xlink:label="ifrs-full_DividendsPaidToNoncontrollingInterests" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsPaidToNoncontrollingInterests" xlink:to="ifrs-full_DividendsPaidToNoncontrollingInterests_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsPaidToNoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DividendsPaidToNoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividends paid to non-controlling interests</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesOutstanding" xlink:label="ifrs-full_NumberOfSharesOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesOutstanding" xlink:to="ifrs-full_NumberOfSharesOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares outstanding</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ParValuePerShare" xlink:label="ifrs-full_ParValuePerShare" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ParValuePerShare" xlink:to="ifrs-full_ParValuePerShare_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ParValuePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Par value per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ParValuePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Par value per share</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TreasuryStock" xlink:label="gsm_TreasuryStock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TreasuryStock" xlink:to="gsm_TreasuryStock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TreasuryStock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of shares treasury.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TreasuryStock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treasury Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TreasuryStock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treasury shares</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesAuthorised" xlink:label="ifrs-full_NumberOfSharesAuthorised" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesAuthorised" xlink:to="ifrs-full_NumberOfSharesAuthorised_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesAuthorised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares authorised</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfOutstandingSharesOwned" xlink:label="gsm_PercentageOfOutstandingSharesOwned" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfOutstandingSharesOwned" xlink:to="gsm_PercentageOfOutstandingSharesOwned_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfOutstandingSharesOwned_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of outstanding shares owned by main shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfOutstandingSharesOwned_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Outstanding Shares Owned</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfOutstandingSharesOwned_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Outstanding shares owned by main shareholders (as a percentage)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsShareRepurchaseProgramPeriodInForce" xlink:label="gsm_IfrsShareRepurchaseProgramPeriodInForce" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsShareRepurchaseProgramPeriodInForce" xlink:to="gsm_IfrsShareRepurchaseProgramPeriodInForce_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsShareRepurchaseProgramPeriodInForce_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period share may be purchased under authorized share repurchase plan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, repurchase of stock and unit of ownership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsShareRepurchaseProgramPeriodInForce_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Share Repurchase Program, Period in Force</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsShareRepurchaseProgramPeriodInForce_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Authorized period for share repurchase program</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:label="srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:to="srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Repurchase Program, Authorized, Number of Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate number of ordinary shares authorized for repurchase</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ShareRepurchaseProgramAuthorizedNumberOfSharesPercentageOfIssuedCapital" xlink:label="gsm_ShareRepurchaseProgramAuthorizedNumberOfSharesPercentageOfIssuedCapital" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ShareRepurchaseProgramAuthorizedNumberOfSharesPercentageOfIssuedCapital" xlink:to="gsm_ShareRepurchaseProgramAuthorizedNumberOfSharesPercentageOfIssuedCapital_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ShareRepurchaseProgramAuthorizedNumberOfSharesPercentageOfIssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of the number of shares authorized to be repurchased under the share repurchase program to the total issued capital of the entity as of the reporting date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ShareRepurchaseProgramAuthorizedNumberOfSharesPercentageOfIssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Repurchase Program, Authorized, Number of Shares, Percentage Of Issued Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ShareRepurchaseProgramAuthorizedNumberOfSharesPercentageOfIssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Authorized percentage of issued capital for share repurchase program</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsStockRepurchasedDuringPeriodShares" xlink:label="gsm_IfrsStockRepurchasedDuringPeriodShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsStockRepurchasedDuringPeriodShares" xlink:to="gsm_IfrsStockRepurchasedDuringPeriodShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsStockRepurchasedDuringPeriodShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares that have been repurchased during the period and are held as part of treasury stock by the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsStockRepurchasedDuringPeriodShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Stock Repurchased During Period, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsStockRepurchasedDuringPeriodShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shares repurchased</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ShareRepurchaseProgramRepurchasePricePerShare" xlink:label="gsm_ShareRepurchaseProgramRepurchasePricePerShare" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ShareRepurchaseProgramRepurchasePricePerShare" xlink:to="gsm_ShareRepurchaseProgramRepurchasePricePerShare_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ShareRepurchaseProgramRepurchasePricePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The average price paid per share for the shares repurchased as part of the share repurchase program by the entity during the reporting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ShareRepurchaseProgramRepurchasePricePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Repurchase Program, Repurchase Price Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ShareRepurchaseProgramRepurchasePricePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share repurchase price per share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:label="ifrs-full_DisclosureOfReservesWithinEquityTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:to="ifrs-full_DisclosureOfReservesWithinEquityTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReservesWithinEquityTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reserves within equity [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReservesWithinEquityAxis" xlink:label="ifrs-full_ReservesWithinEquityAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReservesWithinEquityAxis" xlink:to="ifrs-full_ReservesWithinEquityAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReservesWithinEquityAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserves within equity [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReservesWithinEquityDomain" xlink:label="ifrs-full_ReservesWithinEquityDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReservesWithinEquityDomain" xlink:to="ifrs-full_ReservesWithinEquityDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReservesWithinEquityDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserves within equity [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarningsMember" xlink:label="ifrs-full_RetainedEarningsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarningsMember" xlink:to="ifrs-full_RetainedEarningsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarningsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retained earnings [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RetainedEarningsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Historical Retained Earnings</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:label="ifrs-full_ReserveOfSharebasedPaymentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:to="ifrs-full_ReserveOfSharebasedPaymentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReserveOfSharebasedPaymentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserve of share-based payments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReserveOfSharebasedPaymentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share-based comp Reserves</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherEquityReservesMember" xlink:label="gsm_OtherEquityReservesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherEquityReservesMember" xlink:to="gsm_OtherEquityReservesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherEquityReservesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a component of equity representing reserves within equity, excluding retained earnings and share based compensation reserves.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherEquityReservesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Equity Reserves [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherEquityReservesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Reserves</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:label="ifrs-full_DisclosureOfReservesWithinEquityLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:to="ifrs-full_DisclosureOfReservesWithinEquityLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReservesWithinEquityLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reserves within equity [line items]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ActuarialGainLossValuationAdjustment" xlink:label="gsm_ActuarialGainLossValuationAdjustment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ActuarialGainLossValuationAdjustment" xlink:to="gsm_ActuarialGainLossValuationAdjustment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ActuarialGainLossValuationAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of actuarial gains and losses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ActuarialGainLossValuationAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial Gain Loss Valuation Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ActuarialGainLossValuationAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial gains</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_HedgingInstrumentAndOtherValuationAdjustment" xlink:label="gsm_HedgingInstrumentAndOtherValuationAdjustment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_HedgingInstrumentAndOtherValuationAdjustment" xlink:to="gsm_HedgingInstrumentAndOtherValuationAdjustment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_HedgingInstrumentAndOtherValuationAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount valuation adjustments for hedging instruments and other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_HedgingInstrumentAndOtherValuationAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hedging Instrument And Other Valuation Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_HedgingInstrumentAndOtherValuationAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hedging instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DeferredIncomeTaxValuationAdjustment" xlink:label="gsm_DeferredIncomeTaxValuationAdjustment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DeferredIncomeTaxValuationAdjustment" xlink:to="gsm_DeferredIncomeTaxValuationAdjustment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DeferredIncomeTaxValuationAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount valuation adjustments for deferred income tax.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DeferredIncomeTaxValuationAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred Income Tax Valuation Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DeferredIncomeTaxValuationAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax income (See Note 24)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInNonControllingInterestThroughNetExchangeDifferences" xlink:label="gsm_IncreaseDecreaseInNonControllingInterestThroughNetExchangeDifferences" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInNonControllingInterestThroughNetExchangeDifferences" xlink:to="gsm_IncreaseDecreaseInNonControllingInterestThroughNetExchangeDifferences_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInNonControllingInterestThroughNetExchangeDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in Non-controlling interest through next exchange translation differences.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInNonControllingInterestThroughNetExchangeDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Non Controlling Interest Through Net Exchange Differences</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInNonControllingInterestThroughNetExchangeDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Translation differences</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInNonControllingInterestThroughOtherChanges" xlink:label="gsm_IncreaseDecreaseInNonControllingInterestThroughOtherChanges" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInNonControllingInterestThroughOtherChanges" xlink:to="gsm_IncreaseDecreaseInNonControllingInterestThroughOtherChanges_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInNonControllingInterestThroughOtherChanges_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in non-controlling interest through other changes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInNonControllingInterestThroughOtherChanges_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Non Controlling Interest Through Other Changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInNonControllingInterestThroughOtherChanges_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_JointVenturesAxis" xlink:label="ifrs-full_JointVenturesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_JointVenturesAxis" xlink:to="ifrs-full_JointVenturesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_JointVenturesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Joint ventures [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_JointVenturesDomain" xlink:label="ifrs-full_JointVenturesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_JointVenturesDomain" xlink:to="ifrs-full_JointVenturesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_JointVenturesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Joint ventures [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DowCorningCorporationMember" xlink:label="gsm_DowCorningCorporationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DowCorningCorporationMember" xlink:to="gsm_DowCorningCorporationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DowCorningCorporationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Dow Corning Corporation customer.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DowCorningCorporationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dow Corning Corporation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DowCorningCorporationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dow Corning Corporation</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GlobeSpecialtyMetalsIncMember" xlink:label="gsm_GlobeSpecialtyMetalsIncMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GlobeSpecialtyMetalsIncMember" xlink:to="gsm_GlobeSpecialtyMetalsIncMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GlobeSpecialtyMetalsIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Globe Specialty Metals, Inc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GlobeSpecialtyMetalsIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Globe Specialty Metals Inc</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GlobeSpecialtyMetalsIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Globe Specialty Metals Inc</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageMembershipInterestSold" xlink:label="gsm_PercentageMembershipInterestSold" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageMembershipInterestSold" xlink:to="gsm_PercentageMembershipInterestSold_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageMembershipInterestSold_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of membership interest of a subsidiary sold.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageMembershipInterestSold_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Membership Interest Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageMembershipInterestSold_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Membership interest sold (as a percentage)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfProductionOutputSold" xlink:label="gsm_PercentageOfProductionOutputSold" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfProductionOutputSold" xlink:to="gsm_PercentageOfProductionOutputSold_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfProductionOutputSold_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of production output that will be sold to an entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfProductionOutputSold_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Production Output Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfProductionOutputSold_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Production output sold (as a percentage)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OperatingAgreementAdditionalCostPerMetricTon" xlink:label="gsm_OperatingAgreementAdditionalCostPerMetricTon" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OperatingAgreementAdditionalCostPerMetricTon" xlink:to="gsm_OperatingAgreementAdditionalCostPerMetricTon_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OperatingAgreementAdditionalCostPerMetricTon_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the addition cost after actual production per metric ton.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OperatingAgreementAdditionalCostPerMetricTon_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating Agreement Additional Cost Per Metric Ton</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OperatingAgreementAdditionalCostPerMetricTon_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additional cost per operating agreement</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsPerShareAbstract" xlink:label="ifrs-full_BasicEarningsPerShareAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicEarningsPerShareAbstract" xlink:to="ifrs-full_BasicEarningsPerShareAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BasicEarningsPerShareAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basic earnings per share [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_BasicEarningsPerShareAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basic profit per ordinary share computation</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EarningsPerShareNumeratorAbstract" xlink:label="gsm_EarningsPerShareNumeratorAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EarningsPerShareNumeratorAbstract" xlink:to="gsm_EarningsPerShareNumeratorAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EarningsPerShareNumeratorAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EarningsPerShareNumeratorAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earnings Per Share Numerator [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_EarningsPerShareNumeratorAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Numerator:</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_WeightedAverageSharesAbstract" xlink:label="gsm_WeightedAverageSharesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_WeightedAverageSharesAbstract" xlink:to="gsm_WeightedAverageSharesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_WeightedAverageSharesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_WeightedAverageSharesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average Shares Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_WeightedAverageSharesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Denominator:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:label="ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:to="ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dilutive effect of securities on weighted average number of ordinary shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of dilutive securities from equity incentive plans</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" xlink:label="ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" xlink:to="ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of potential ordinary shares that are antidilutive in period presented</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Potential ordinary shares excluded from calculation of diluted (loss) earnings per share because their effect would be anti-dilutive</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CarbonDioxideEmissionsAllowances" xlink:label="gsm_CarbonDioxideEmissionsAllowances" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CarbonDioxideEmissionsAllowances" xlink:to="gsm_CarbonDioxideEmissionsAllowances_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CarbonDioxideEmissionsAllowances_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of carbon dioxide emission allowances deferred income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CarbonDioxideEmissionsAllowances_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carbon Dioxide Emissions Allowances</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CarbonDioxideEmissionsAllowances_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carbon dioxide emissions allowances</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GovernmentGrants" xlink:label="ifrs-full_GovernmentGrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GovernmentGrants" xlink:to="ifrs-full_GovernmentGrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GovernmentGrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Government grants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GovernmentGrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Government grant</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis" xlink:label="ifrs-full_ClassesOfProvisionsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfProvisionsAxis" xlink:to="ifrs-full_ClassesOfProvisionsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfProvisionsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of other provisions [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOtherProvisionsDomain" xlink:label="ifrs-full_ClassesOfOtherProvisionsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="ifrs-full_ClassesOfOtherProvisionsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfOtherProvisionsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of other provisions [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEnvironmentRelatedProvisionMember" xlink:label="ifrs-full_OtherEnvironmentRelatedProvisionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherEnvironmentRelatedProvisionMember" xlink:to="ifrs-full_OtherEnvironmentRelatedProvisionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherEnvironmentRelatedProvisionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Environment provision [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherEnvironmentRelatedProvisionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Environmental provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LegalProceedingsProvisionMember" xlink:label="ifrs-full_LegalProceedingsProvisionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LegalProceedingsProvisionMember" xlink:to="ifrs-full_LegalProceedingsProvisionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LegalProceedingsProvisionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for litigation [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LegalProceedingsProvisionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for litigation in progress</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ProvisionsForThirdPartyLiabilityMember" xlink:label="gsm_ProvisionsForThirdPartyLiabilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ProvisionsForThirdPartyLiabilityMember" xlink:to="gsm_ProvisionsForThirdPartyLiabilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ProvisionsForThirdPartyLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information related to provision made for third party liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ProvisionsForThirdPartyLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for third-party liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ProvisionsForThirdPartyLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for third-party liabilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ProvisionsForCo2EmissionsAllowancesMember" xlink:label="gsm_ProvisionsForCo2EmissionsAllowancesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ProvisionsForCo2EmissionsAllowancesMember" xlink:to="gsm_ProvisionsForCo2EmissionsAllowancesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ProvisionsForCo2EmissionsAllowancesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information pertaining to provisions for CO2 emissions allowances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ProvisionsForCo2EmissionsAllowancesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for C02 emissions allowances [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ProvisionsForCo2EmissionsAllowancesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for Carbon dioxide emissions allowances</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RestructuringProvisionMember" xlink:label="ifrs-full_RestructuringProvisionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RestructuringProvisionMember" xlink:to="ifrs-full_RestructuringProvisionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RestructuringProvisionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restructuring provision [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RestructuringProvisionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provision for restructuring cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MiscellaneousOtherProvisionsMember" xlink:label="ifrs-full_MiscellaneousOtherProvisionsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MiscellaneousOtherProvisionsMember" xlink:to="ifrs-full_MiscellaneousOtherProvisionsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MiscellaneousOtherProvisionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other provisions [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MiscellaneousOtherProvisionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherLongtermProvisions" xlink:label="ifrs-full_OtherLongtermProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherLongtermProvisions" xlink:to="ifrs-full_OtherLongtermProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherLongtermProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherLongtermProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherLongtermProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non- Current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherShorttermProvisions" xlink:label="ifrs-full_OtherShorttermProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherShorttermProvisions" xlink:to="ifrs-full_OtherShorttermProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherShorttermProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherShorttermProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherProvisions" xlink:label="ifrs-full_OtherProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherProvisions" xlink:to="ifrs-full_OtherProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_OtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_OtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reconciliation of changes in other provisions [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInExistingProvisionsOtherProvisions" xlink:label="ifrs-full_IncreaseDecreaseInExistingProvisionsOtherProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInExistingProvisionsOtherProvisions" xlink:to="ifrs-full_IncreaseDecreaseInExistingProvisionsOtherProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInExistingProvisionsOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in existing provisions, other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseInExistingProvisionsOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Charges for the year</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:label="ifrs-full_UnusedProvisionReversedOtherProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:to="ifrs-full_UnusedProvisionReversedOtherProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UnusedProvisionReversedOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unused provision reversed, other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_UnusedProvisionReversedOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions reversed with a credit to income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_UnusedProvisionReversedOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provision reversal</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionUsedOtherProvisions" xlink:label="ifrs-full_ProvisionUsedOtherProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProvisionUsedOtherProvisions" xlink:to="ifrs-full_ProvisionUsedOtherProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProvisionUsedOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provision used, other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ProvisionUsedOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amounts used</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInOtherProvisionsThroughRemeasurementThroughOtherComprehensiveIncomeLoss" xlink:label="gsm_IncreaseDecreaseInOtherProvisionsThroughRemeasurementThroughOtherComprehensiveIncomeLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInOtherProvisionsThroughRemeasurementThroughOtherComprehensiveIncomeLoss" xlink:to="gsm_IncreaseDecreaseInOtherProvisionsThroughRemeasurementThroughOtherComprehensiveIncomeLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInOtherProvisionsThroughRemeasurementThroughOtherComprehensiveIncomeLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in other provisions resulting from Remeasurement through other comprehensive income (Loss).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInOtherProvisionsThroughRemeasurementThroughOtherComprehensiveIncomeLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Other Provisions Through Remeasurement Through Other Comprehensive Income Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInOtherProvisionsThroughRemeasurementThroughOtherComprehensiveIncomeLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remeasurement through other comprehensive income (loss)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through net exchange differences, other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange differences and others</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:to="ifrs-full_DisclosureOfDefinedBenefitPlansTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of defined benefit plans [table]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EnvironmentalRehabilitationMember" xlink:label="gsm_EnvironmentalRehabilitationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EnvironmentalRehabilitationMember" xlink:to="gsm_EnvironmentalRehabilitationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EnvironmentalRehabilitationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Environmental rehabilitation [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EnvironmentalRehabilitationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Environmental rehabilitation</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ProvisionForLitigationMember" xlink:label="gsm_ProvisionForLitigationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ProvisionForLitigationMember" xlink:to="gsm_ProvisionForLitigationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ProvisionForLitigationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provision for litigation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ProvisionForLitigationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provision For Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ProvisionForLitigationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provision for Litigation</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerropemS.a.s.Member" xlink:label="gsm_FerropemS.a.s.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerropemS.a.s.Member" xlink:to="gsm_FerropemS.a.s.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerropemS.a.s.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the FerroPem, S.A.S Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerropemS.a.s.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FerroPem, S.A.S.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeFranceMember" xlink:label="gsm_FerroglobeFranceMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeFranceMember" xlink:to="gsm_FerroglobeFranceMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeFranceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe France.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeFranceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe France [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobeFranceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe France.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:to="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of defined benefit plans [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherProvisionsAbstract" xlink:label="ifrs-full_OtherProvisionsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherProvisionsAbstract" xlink:to="ifrs-full_OtherProvisionsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherProvisionsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other provisions [abstract]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SettlementPaidByCompany" xlink:label="gsm_SettlementPaidByCompany" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SettlementPaidByCompany" xlink:to="gsm_SettlementPaidByCompany_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SettlementPaidByCompany_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount paid to settle claims made by several employees challenging terminations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SettlementPaidByCompany_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Settlement Paid By Company</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReversalOfProvisionsForCostOfRestructuring" xlink:label="ifrs-full_ReversalOfProvisionsForCostOfRestructuring" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReversalOfProvisionsForCostOfRestructuring" xlink:to="ifrs-full_ReversalOfProvisionsForCostOfRestructuring_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReversalOfProvisionsForCostOfRestructuring_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reversal of provisions for cost of restructuring</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReversalOfProvisionsForCostOfRestructuring_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reversal of provisions for cost of restructuring</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FacilitiesAxis" xlink:label="gsm_FacilitiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FacilitiesAxis" xlink:to="gsm_FacilitiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FacilitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by facilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FacilitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Facilities [Axis]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FacilitiesDomain" xlink:label="gsm_FacilitiesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FacilitiesDomain" xlink:to="gsm_FacilitiesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FacilitiesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by facilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FacilitiesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Facilities [Domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ChateauFeuilletFacilityMember" xlink:label="gsm_ChateauFeuilletFacilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ChateauFeuilletFacilityMember" xlink:to="gsm_ChateauFeuilletFacilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ChateauFeuilletFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information pertaining to Chateau Feuillet facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ChateauFeuilletFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Chateau Feuillet Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ChateauFeuilletFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Chateau Feuillet Facility</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherProvisionsProvisionsForTaxesMember" xlink:label="gsm_OtherProvisionsProvisionsForTaxesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherProvisionsProvisionsForTaxesMember" xlink:to="gsm_OtherProvisionsProvisionsForTaxesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherProvisionsProvisionsForTaxesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Na</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherProvisionsProvisionsForTaxesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Provisions Provisions For Taxes</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherProvisionsForReclaimingLandMember" xlink:label="gsm_OtherProvisionsForReclaimingLandMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherProvisionsForReclaimingLandMember" xlink:to="gsm_OtherProvisionsForReclaimingLandMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherProvisionsForReclaimingLandMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other provisions for reclaiming the land after it has been mined for gravel or coal.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherProvisionsForReclaimingLandMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Provisions for Reclaiming Land</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_Other.Member" xlink:label="gsm_Other.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_Other.Member" xlink:to="gsm_Other.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_Other.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for other countries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_Other.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other. [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_Other.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan" xlink:label="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan" xlink:to="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net defined benefit liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xlink:label="ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xlink:to="ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of net defined benefit liability (asset) [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DefinedBenefitPlansAxis" xlink:label="ifrs-full_DefinedBenefitPlansAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DefinedBenefitPlansAxis" xlink:to="ifrs-full_DefinedBenefitPlansAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DefinedBenefitPlansAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Defined benefit plans [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DefinedBenefitPlansDomain" xlink:label="ifrs-full_DefinedBenefitPlansDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DefinedBenefitPlansDomain" xlink:to="ifrs-full_DefinedBenefitPlansDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DefinedBenefitPlansDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Defined benefit plans [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:label="ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:to="ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pension Plans</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionsAxis" xlink:label="ifrs-full_ActuarialAssumptionsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ActuarialAssumptionsAxis" xlink:to="ifrs-full_ActuarialAssumptionsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ActuarialAssumptionsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial assumptions [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionsDomain" xlink:label="ifrs-full_ActuarialAssumptionsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ActuarialAssumptionsDomain" xlink:to="ifrs-full_ActuarialAssumptionsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ActuarialAssumptionsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial assumptions [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:label="ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:to="ifrs-full_ActuarialAssumptionOfDiscountRatesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ActuarialAssumptionOfDiscountRatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial assumption of discount rates [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ActuarialAssumptionOfDiscountRatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discount rates</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:to="ifrs-full_NetDefinedBenefitLiabilityAssetAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net defined benefit liability (asset) [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xlink:to="ifrs-full_NetDefinedBenefitLiabilityAssetDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net defined benefit liability (asset) [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:label="ifrs-full_PresentValueOfDefinedBenefitObligationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:to="ifrs-full_PresentValueOfDefinedBenefitObligationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PresentValueOfDefinedBenefitObligationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Present value of defined benefit obligation [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FundingArrangementsOfDefinedBenefitPlansAxis" xlink:label="ifrs-full_FundingArrangementsOfDefinedBenefitPlansAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FundingArrangementsOfDefinedBenefitPlansAxis" xlink:to="ifrs-full_FundingArrangementsOfDefinedBenefitPlansAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FundingArrangementsOfDefinedBenefitPlansAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Funding arrangements of defined benefit plans [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FundingArrangementsOfDefinedBenefitPlansDomain" xlink:label="ifrs-full_FundingArrangementsOfDefinedBenefitPlansDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FundingArrangementsOfDefinedBenefitPlansDomain" xlink:to="ifrs-full_FundingArrangementsOfDefinedBenefitPlansDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FundingArrangementsOfDefinedBenefitPlansDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Funding arrangements of defined benefit plans [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WhollyUnfundedDefinedBenefitPlansMember" xlink:label="ifrs-full_WhollyUnfundedDefinedBenefitPlansMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WhollyUnfundedDefinedBenefitPlansMember" xlink:to="ifrs-full_WhollyUnfundedDefinedBenefitPlansMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WhollyUnfundedDefinedBenefitPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Wholly unfunded defined benefit plans [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WhollyUnfundedDefinedBenefitPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Underfunded</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xlink:label="ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xlink:to="ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of net defined benefit liability (asset) [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract" xlink:label="ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract" xlink:to="ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Changes in net defined benefit liability (asset) [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:to="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Obligations at end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Obligations at beginning of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Benefit obligation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current service cost, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Service cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expense (income), net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowing cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain (loss) on remeasurement, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments from plan, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Benefits paid</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through changes in foreign exchange rates, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange differences</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ActuarialAssumptionsUsedToCalculateDefinedBenefitObligationAbstract" xlink:label="gsm_ActuarialAssumptionsUsedToCalculateDefinedBenefitObligationAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ActuarialAssumptionsUsedToCalculateDefinedBenefitObligationAbstract" xlink:to="gsm_ActuarialAssumptionsUsedToCalculateDefinedBenefitObligationAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ActuarialAssumptionsUsedToCalculateDefinedBenefitObligationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ActuarialAssumptionsUsedToCalculateDefinedBenefitObligationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial Assumptions Used To Calculate Defined Benefit Obligation [Abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xlink:label="ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xlink:to="ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial assumption of expected rates of salary increases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Salary increase</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:label="ifrs-full_ActuarialAssumptionOfDiscountRates" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:to="ifrs-full_ActuarialAssumptionOfDiscountRates_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ActuarialAssumptionOfDiscountRates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial assumption of discount rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ActuarialAssumptionOfDiscountRates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discount rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflation" xlink:label="ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflation" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflation" xlink:to="ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflation_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial assumption of expected rates of inflation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expected inflation rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfRetirementAge2019" xlink:label="ifrs-full_ActuarialAssumptionOfRetirementAge2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ActuarialAssumptionOfRetirementAge2019" xlink:to="ifrs-full_ActuarialAssumptionOfRetirementAge2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ActuarialAssumptionOfRetirementAge2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial assumption of retirement age</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ActuarialAssumptionOfRetirementAge2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retirement age</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption" xlink:label="ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption" xlink:to="ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of reasonably possible increase in actuarial assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Change in discount</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xlink:label="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xlink:to="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in defined benefit obligation due to reasonably possible increase in actuarial assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Change in provision</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:label="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:to="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Estimate of contributions expected to be paid to plan for next annual reporting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discretionary contributions to the defined benefit pension and postretirement plans</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xlink:label="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xlink:to="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average duration of defined benefit obligation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_MaturityAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MaturityAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maturity [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityDomain" xlink:label="ifrs-full_MaturityDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MaturityDomain" xlink:to="ifrs-full_MaturityDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MaturityDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maturity [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LaterThanFifteenYearsAndNotLaterThanSixteenYearsMember" xlink:label="gsm_LaterThanFifteenYearsAndNotLaterThanSixteenYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LaterThanFifteenYearsAndNotLaterThanSixteenYearsMember" xlink:to="gsm_LaterThanFifteenYearsAndNotLaterThanSixteenYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LaterThanFifteenYearsAndNotLaterThanSixteenYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a time band later than fifteen years and not later than sixteen years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LaterThanFifteenYearsAndNotLaterThanSixteenYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later Than fifteen Years And Not Later Than Sixteen Years [Member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_NorthAmericaMember" xlink:label="srt_NorthAmericaMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_NorthAmericaMember" xlink:to="srt_NorthAmericaMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_NorthAmericaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">North America</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PostRetirementPlansMember" xlink:label="gsm_PostRetirementPlansMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PostRetirementPlansMember" xlink:to="gsm_PostRetirementPlansMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PostRetirementPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information related to post retirement plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PostRetirementPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Post Retirement Plans</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:label="ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:to="ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial assumption of medical cost trend rates [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfDefinedBenefitPlans" xlink:label="gsm_NumberOfDefinedBenefitPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfDefinedBenefitPlans" xlink:to="gsm_NumberOfDefinedBenefitPlans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the number of defined benefit plans sponsored.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Defined Benefit Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NumberOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of defined benefit plans sponsored</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ReconciliationOfBenefitObligationPlanAssetsAndFundedStatusAbstract" xlink:label="gsm_ReconciliationOfBenefitObligationPlanAssetsAndFundedStatusAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ReconciliationOfBenefitObligationPlanAssetsAndFundedStatusAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ReconciliationOfBenefitObligationPlanAssetsAndFundedStatusAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reconciliation Of Benefit Obligation Plan Assets And Funded Status [Abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PlanAssetsAtFairValue" xlink:label="ifrs-full_PlanAssetsAtFairValue" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PlanAssetsAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan assets, at fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PlanAssetsAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value of plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_PlanAssetsAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value of plan assets at the end of the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_PlanAssetsAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value of plan assets at the beginning of the year</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:label="ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:to="ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current net defined benefit asset</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionOfMedicalCostTrendRates" xlink:label="ifrs-full_ActuarialAssumptionOfMedicalCostTrendRates" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ActuarialAssumptionOfMedicalCostTrendRates" xlink:to="ifrs-full_ActuarialAssumptionOfMedicalCostTrendRates_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ActuarialAssumptionOfMedicalCostTrendRates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial assumption of medical cost trend rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ActuarialAssumptionOfMedicalCostTrendRates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Health care cost trend rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption" xlink:label="ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption" xlink:to="ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of reasonably possible decrease in actuarial assumption</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xlink:label="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xlink:to="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in defined benefit obligation due to reasonably possible decrease in actuarial assumption</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PlanAssetsMember" xlink:label="ifrs-full_PlanAssetsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PlanAssetsMember" xlink:to="ifrs-full_PlanAssetsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PlanAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan assets [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsDefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xlink:label="gsm_IfrsDefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsDefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xlink:to="gsm_IfrsDefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsDefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

	A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsDefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DefinedBenefitPlanInterestIncomeOnPlanAssets" xlink:label="gsm_DefinedBenefitPlanInterestIncomeOnPlanAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DefinedBenefitPlanInterestIncomeOnPlanAssets" xlink:to="gsm_DefinedBenefitPlanInterestIncomeOnPlanAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DefinedBenefitPlanInterestIncomeOnPlanAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase in defined benefit plan assets due to interest income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DefinedBenefitPlanInterestIncomeOnPlanAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Defined Benefit Plan Interest Income On Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DefinedBenefitPlanInterestIncomeOnPlanAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest income on assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToActuarialDifferences" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToActuarialDifferences" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToActuarialDifferences" xlink:to="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToActuarialDifferences_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToActuarialDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in defined benefit plan assets due to changes in actuarial assumptions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToActuarialDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Defined Benefit Plan Assets Due To Actuarial Differences</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToActuarialDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial return on plan assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsDefinedBenefitPlanBenefitsPaid" xlink:label="gsm_IfrsDefinedBenefitPlanBenefitsPaid" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsDefinedBenefitPlanBenefitsPaid" xlink:to="gsm_IfrsDefinedBenefitPlanBenefitsPaid_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsDefinedBenefitPlanBenefitsPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsDefinedBenefitPlanBenefitsPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Defined Benefit Plan, Benefits Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_IfrsDefinedBenefitPlanBenefitsPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Benefits paid</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" xlink:label="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" xlink:to="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByPlanParticipant_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByPlanParticipant_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of contributions received by defined benefit plan from participant which increases plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByPlanParticipant_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Defined Benefit Plan, Plan Assets, Contributions by Plan Participant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByPlanParticipant_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Participant contribution</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByEmployer" xlink:label="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByEmployer" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByEmployer" xlink:to="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByEmployer_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByEmployer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of contribution received by defined benefit plan from employer which increases plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByEmployer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Defined Benefit Plan, Plan Assets, Contributions by Employer</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsDefinedBenefitPlanPlanAssetsContributionsByEmployer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contributions paid by the employer</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToOther" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToOther" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToOther" xlink:to="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToOther_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToOther_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in defined plan assets due to other reasons not specifically disclosed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToOther_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Defined Benefit Plan Assets Due To Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToOther_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToExchangeDifferences" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToExchangeDifferences" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToExchangeDifferences" xlink:to="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToExchangeDifferences_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToExchangeDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in defined benefit plan assets due to changes in foreign exchange rates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToExchangeDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Defined Benefit Plan Assets, Due To Exchange Differences</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToExchangeDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract" xlink:to="ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of fair value of plan assets [abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityInstrumentsPercentageContributedToFairValueOfPlanAssets" xlink:label="ifrs-full_EquityInstrumentsPercentageContributedToFairValueOfPlanAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityInstrumentsPercentageContributedToFairValueOfPlanAssets" xlink:to="ifrs-full_EquityInstrumentsPercentageContributedToFairValueOfPlanAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityInstrumentsPercentageContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity Instruments, Amount Contributed To Fair Value Of Plan Assets As A Percent Of Total Defined Benefit Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_EquityInstrumentsPercentageContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity Mutual Funds</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DebtInstrumentsPercentageContributedToFairValueOfPlanAssets" xlink:label="ifrs-full_DebtInstrumentsPercentageContributedToFairValueOfPlanAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DebtInstrumentsPercentageContributedToFairValueOfPlanAssets" xlink:to="ifrs-full_DebtInstrumentsPercentageContributedToFairValueOfPlanAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DebtInstrumentsPercentageContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixed Income Securities Amount Contributed To Fair Value Of Plan Assets As Percent Of Total Defined Benefit Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DebtInstrumentsPercentageContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixed Income Securities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_QualifyingInsurancePoliciesPercentageContributedToFairValueOfPlanAssets" xlink:label="ifrs-full_QualifyingInsurancePoliciesPercentageContributedToFairValueOfPlanAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_QualifyingInsurancePoliciesPercentageContributedToFairValueOfPlanAssets" xlink:to="ifrs-full_QualifyingInsurancePoliciesPercentageContributedToFairValueOfPlanAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_QualifyingInsurancePoliciesPercentageContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Qualifying insurance policies, percentage contributed to fair value of plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_QualifyingInsurancePoliciesPercentageContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets held by insurance company</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfAggregateFairValueOfPlanAssetsAsPercentage" xlink:label="gsm_DisclosureOfAggregateFairValueOfPlanAssetsAsPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfAggregateFairValueOfPlanAssetsAsPercentage" xlink:to="gsm_DisclosureOfAggregateFairValueOfPlanAssetsAsPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfAggregateFairValueOfPlanAssetsAsPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The total percentage disclosed contribute to the fair value of defined benefit plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfAggregateFairValueOfPlanAssetsAsPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Aggregate Fair Value Of Plan Assets As Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_DisclosureOfAggregateFairValueOfPlanAssetsAsPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about borrowings [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsByNameAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings by name [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameDomain" xlink:label="ifrs-full_BorrowingsByNameDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsByNameDomain" xlink:to="ifrs-full_BorrowingsByNameDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsByNameDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings by name [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CreditFacilitiesMember" xlink:label="gsm_CreditFacilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CreditFacilitiesMember" xlink:to="gsm_CreditFacilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CreditFacilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information related to credit facilities component of bank borrowings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CreditFacilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Credit facilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SupplierFactoringFacilityMember" xlink:label="gsm_SupplierFactoringFacilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SupplierFactoringFacilityMember" xlink:to="gsm_SupplierFactoringFacilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SupplierFactoringFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the Supplier Factoring Facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SupplierFactoringFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Receivable Factoring Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SupplierFactoringFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings from supplier factoring facility</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherBankBorrowingsMember" xlink:label="gsm_OtherBankBorrowingsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherBankBorrowingsMember" xlink:to="gsm_OtherBankBorrowingsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherBankBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information related to other bank borrowings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherBankBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Loans</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about borrowings [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank Borrowings</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsAbstract" xlink:label="ifrs-full_BorrowingsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsAbstract" xlink:to="ifrs-full_BorrowingsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings [abstract]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsLineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="gsm_IfrsLineOfCreditFacilityMaximumBorrowingCapacity" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsLineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="gsm_IfrsLineOfCreditFacilityMaximumBorrowingCapacity_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsLineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsLineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ifrs Line of credit facility, maximum borrowing capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsLineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Limit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_IfrsLineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum borrowing capacity</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AssetBasedRevolvingCreditFacilityMember" xlink:label="gsm_AssetBasedRevolvingCreditFacilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AssetBasedRevolvingCreditFacilityMember" xlink:to="gsm_AssetBasedRevolvingCreditFacilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AssetBasedRevolvingCreditFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for North America asset based revolving credit facility entered into by Ferroglobe subsidiaries Globe Specialty Metals, Inc., and QSIP Canada ULC.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AssetBasedRevolvingCreditFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ABL Revolver</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AssetBasedRevolvingCreditFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ABL Revolver</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FinancingFacilityMember" xlink:label="gsm_FinancingFacilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FinancingFacilityMember" xlink:to="gsm_FinancingFacilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FinancingFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for financing facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FinancingFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FinancingFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing facility</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AbsaFinancingMember" xlink:label="gsm_AbsaFinancingMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AbsaFinancingMember" xlink:to="gsm_AbsaFinancingMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AbsaFinancingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for ABSA Financing facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AbsaFinancingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ABSA Financing [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember" xlink:label="gsm_IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember" xlink:to="gsm_IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixed rate on U.S. dollar, constant-notional interest rate swap that has its variable-rate leg referenced to Secured Overnight Financing Rate (SOFR) with no additional spread over SOFR on variable-rate leg.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SOFR</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PrimeInterestRateMember" xlink:label="gsm_PrimeInterestRateMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PrimeInterestRateMember" xlink:to="gsm_PrimeInterestRateMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PrimeInterestRateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prime rate interest rate (ZAR)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PrimeInterestRateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prime Interest Rate [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PrimeInterestRateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prime Rate (ZAR)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsDebtInstrumentTerm" xlink:label="gsm_IfrsDebtInstrumentTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsDebtInstrumentTerm" xlink:to="gsm_IfrsDebtInstrumentTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsDebtInstrumentTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsDebtInstrumentTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Debt instrument term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsDebtInstrumentTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Credit facility term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_IfrsDebtInstrumentTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term of loan</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:label="ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:to="ifrs-full_BorrowingsAdjustmentToInterestRateBasis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsAdjustmentToInterestRateBasis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings, adjustment to interest rate basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingsAdjustmentToInterestRateBasis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Applicable margin (as a percent)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotionalAmount" xlink:label="ifrs-full_NotionalAmount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotionalAmount" xlink:to="ifrs-full_NotionalAmount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotionalAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notional amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NotionalAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Limit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NotionalAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Principal amount</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LetterOfCreditPaymentDeferralMaximumPeriod" xlink:label="gsm_LetterOfCreditPaymentDeferralMaximumPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LetterOfCreditPaymentDeferralMaximumPeriod" xlink:to="gsm_LetterOfCreditPaymentDeferralMaximumPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LetterOfCreditPaymentDeferralMaximumPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The maximum period up to which the payment of import letters of credit can be deferred.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LetterOfCreditPaymentDeferralMaximumPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Letter of Credit, Payment Deferral, Maximum Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LetterOfCreditPaymentDeferralMaximumPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payment deferral period</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ThresholdOfCapitalLeasesUnderDebtInstrument" xlink:label="gsm_ThresholdOfCapitalLeasesUnderDebtInstrument" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ThresholdOfCapitalLeasesUnderDebtInstrument" xlink:to="gsm_ThresholdOfCapitalLeasesUnderDebtInstrument_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ThresholdOfCapitalLeasesUnderDebtInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The maximum outstanding amount of indebtedness, and capital leases that borrowers can create.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ThresholdOfCapitalLeasesUnderDebtInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold Of Capital Leases Under Debt Instrument</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ThresholdOfCapitalLeasesUnderDebtInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold of capital leases</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DebtCovenantMaximumFixedChargeRatio" xlink:label="gsm_DebtCovenantMaximumFixedChargeRatio" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DebtCovenantMaximumFixedChargeRatio" xlink:to="gsm_DebtCovenantMaximumFixedChargeRatio_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DebtCovenantMaximumFixedChargeRatio_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt covenant maximum fixed charge coverage ratio.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DebtCovenantMaximumFixedChargeRatio_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt Covenant Maximum Fixed Charge Ratio</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DebtCovenantMaximumFixedChargeRatio_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixed charge coverage ratio (as a percent)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IndirectLoanFromBanquePalatineMember" xlink:label="gsm_IndirectLoanFromBanquePalatineMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IndirectLoanFromBanquePalatineMember" xlink:to="gsm_IndirectLoanFromBanquePalatineMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IndirectLoanFromBanquePalatineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for indirect loan from Banque Palatine.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IndirectLoanFromBanquePalatineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Indirect Loan from Banque Palatine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IndirectLoanFromBanquePalatineMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan from Banque Palatine</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NewMarketsTaxCreditMember" xlink:label="gsm_NewMarketsTaxCreditMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NewMarketsTaxCreditMember" xlink:to="gsm_NewMarketsTaxCreditMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NewMarketsTaxCreditMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for new market tax credit ('NMTC').</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NewMarketsTaxCreditMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">New Markets Tax Credit [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NewMarketsTaxCreditMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NMTC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_VagalumeLoanMember" xlink:label="gsm_VagalumeLoanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_VagalumeLoanMember" xlink:to="gsm_VagalumeLoanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_VagalumeLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member represents information pertaining to Vagalume Loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_VagalumeLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Vagalume Loan [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_BankinterLoanMember" xlink:label="gsm_BankinterLoanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_BankinterLoanMember" xlink:to="gsm_BankinterLoanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_BankinterLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member represents information pertaining to Bankinter Loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_BankinterLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bankinter Loan [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementGeographicalAxis" xlink:label="srt_StatementGeographicalAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementGeographicalAxis" xlink:to="srt_StatementGeographicalAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_StatementGeographicalAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Geographical [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_SegmentGeographicalDomain" xlink:label="srt_SegmentGeographicalDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_SegmentGeographicalDomain" xlink:to="srt_SegmentGeographicalDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_SegmentGeographicalDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Geographical [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:label="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Valuation techniques used in fair value measurement [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:label="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:to="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Valuation techniques used in fair value measurement [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DiscountedCashFlowMember" xlink:label="ifrs-full_DiscountedCashFlowMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DiscountedCashFlowMember" xlink:to="ifrs-full_DiscountedCashFlowMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DiscountedCashFlowMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discounted cash flow [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DiscountedCashFlowMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discounted cash flow</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EuriborThreeMonthMember" xlink:label="gsm_EuriborThreeMonthMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EuriborThreeMonthMember" xlink:to="gsm_EuriborThreeMonthMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EuriborThreeMonthMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest rate at which a bank borrows funds from other banks in the Euro interbank market.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EuriborThreeMonthMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">EURIBOR Three Month [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EuriborTwelveMonthMember" xlink:label="gsm_EuriborTwelveMonthMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EuriborTwelveMonthMember" xlink:to="gsm_EuriborTwelveMonthMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EuriborTwelveMonthMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest rate at which a bank borrows funds from other banks in the Euro interbank market.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EuriborTwelveMonthMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">EURIBOR Twelve Month [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EuriborOneMonthMember" xlink:label="gsm_EuriborOneMonthMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EuriborOneMonthMember" xlink:to="gsm_EuriborOneMonthMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EuriborOneMonthMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest rate at which a bank borrows funds from other banks in the Euro interbank market.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EuriborOneMonthMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">EURIBOR One Month [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FixedInterestRateMember" xlink:label="ifrs-full_FixedInterestRateMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FixedInterestRateMember" xlink:to="ifrs-full_FixedInterestRateMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FixedInterestRateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixed rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsInterestRate" xlink:label="ifrs-full_BorrowingsInterestRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsInterestRate" xlink:to="ifrs-full_BorrowingsInterestRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsInterestRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings, interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="ifrs-full_BorrowingsInterestRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixed Interest Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_BorrowingsInterestRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest rate (as a percent)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValue" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtFairValue" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities, at fair value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CurrencyAxis" xlink:label="srt_CurrencyAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CurrencyAxis" xlink:to="srt_CurrencyAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_CurrencyAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Currency [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_AllCurrenciesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="currency_AllCurrenciesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">All Currencies [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_USD" xlink:label="currency_USD" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_USD" xlink:to="currency_USD_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="currency_USD_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">US Dollars</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_EUR" xlink:label="currency_EUR" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_EUR" xlink:to="currency_EUR_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="currency_EUR_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Euros</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CurrencyOtherThanUsdMember" xlink:label="gsm_CurrencyOtherThanUsdMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CurrencyOtherThanUsdMember" xlink:to="gsm_CurrencyOtherThanUsdMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CurrencyOtherThanUsdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other than US Dollars.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CurrencyOtherThanUsdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Than USD [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CurrencyOtherThanUsdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotLaterThanOneYearMember" xlink:to="ifrs-full_NotLaterThanOneYearMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotLaterThanOneYearMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Not later than one year</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later than one year and not later than two years</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:to="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later than three years and not later than four years</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:to="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later than four years and not later than five years</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LaterThanFiveYearsAndNotLaterThanSixYearsMember" xlink:label="gsm_LaterThanFiveYearsAndNotLaterThanSixYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LaterThanFiveYearsAndNotLaterThanSixYearsMember" xlink:to="gsm_LaterThanFiveYearsAndNotLaterThanSixYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LaterThanFiveYearsAndNotLaterThanSixYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a time band of later than five years and not later than six years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LaterThanFiveYearsAndNotLaterThanSixYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later Than Five Years And Not Later Than Six Years</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFiveYearsAndNotLaterThanSevenYearsMember" xlink:label="ifrs-full_LaterThanFiveYearsAndNotLaterThanSevenYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanFiveYearsAndNotLaterThanSevenYearsMember" xlink:to="ifrs-full_LaterThanFiveYearsAndNotLaterThanSevenYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanFiveYearsAndNotLaterThanSevenYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later than five years and not later than seven years [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of quantitative information about right-of-use assets [table]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherLeasesMember" xlink:label="gsm_OtherLeasesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherLeasesMember" xlink:to="gsm_OtherLeasesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherLeasesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information related to other leases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherLeasesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other leases</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TollingAgreementMember" xlink:label="gsm_TollingAgreementMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TollingAgreementMember" xlink:to="gsm_TollingAgreementMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TollingAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information related to tolling agreement lease liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TollingAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tolling Agreement [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TollingAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tolling Agreement</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of quantitative information about right-of-use assets [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilitiesAbstract" xlink:label="ifrs-full_LeaseLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseLiabilitiesAbstract" xlink:to="ifrs-full_LeaseLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LeaseLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LeaseLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilities" xlink:label="ifrs-full_LeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseLiabilities" xlink:to="ifrs-full_LeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="ifrs-full_LeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="ifrs-full_LeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Obligations under leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_LeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total lease liabilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MiscellaneousNonCurrentOtherLeases" xlink:label="gsm_MiscellaneousNonCurrentOtherLeases" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MiscellaneousNonCurrentOtherLeases" xlink:to="gsm_MiscellaneousNonCurrentOtherLeases_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MiscellaneousNonCurrentOtherLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Miscellaneous non-current other lease liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MiscellaneousNonCurrentOtherLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous Non-current other leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_MiscellaneousNonCurrentOtherLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-Current, other leases</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MiscellaneousCurrentOtherLeases" xlink:label="gsm_MiscellaneousCurrentOtherLeases" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MiscellaneousCurrentOtherLeases" xlink:to="gsm_MiscellaneousCurrentOtherLeases_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MiscellaneousCurrentOtherLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Miscellaneous current other lease liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MiscellaneousCurrentOtherLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous current other leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_MiscellaneousCurrentOtherLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">current, other leases</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MiscellaneousCurrentAndNonCurrentOtherLeases" xlink:label="gsm_MiscellaneousCurrentAndNonCurrentOtherLeases" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MiscellaneousCurrentAndNonCurrentOtherLeases" xlink:to="gsm_MiscellaneousCurrentAndNonCurrentOtherLeases_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MiscellaneousCurrentAndNonCurrentOtherLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Miscellaneous current and non-current other lease liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MiscellaneousCurrentAndNonCurrentOtherLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous Current and Non-current Other leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_MiscellaneousCurrentAndNonCurrentOtherLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total, Other leases</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable" xlink:label="ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable" xlink:to="ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems" xlink:label="ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems" xlink:to="ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_WeightedAverageIncrementalBorrowingRateExcludingTollingAgreementLiability" xlink:label="gsm_WeightedAverageIncrementalBorrowingRateExcludingTollingAgreementLiability" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_WeightedAverageIncrementalBorrowingRateExcludingTollingAgreementLiability" xlink:to="gsm_WeightedAverageIncrementalBorrowingRateExcludingTollingAgreementLiability_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_WeightedAverageIncrementalBorrowingRateExcludingTollingAgreementLiability_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the weighted average Incremental Borrowing Rate Excluding Tolling Agreement Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_WeightedAverageIncrementalBorrowingRateExcludingTollingAgreementLiability_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average Incremental Borrowing Rate Excluding Tolling Agreement Liability</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MovementInLeaseLiabilitiesRollForward" xlink:label="gsm_MovementInLeaseLiabilitiesRollForward" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MovementInLeaseLiabilitiesRollForward" xlink:to="gsm_MovementInLeaseLiabilitiesRollForward_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MovementInLeaseLiabilitiesRollForward_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MovementInLeaseLiabilitiesRollForward_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Movement In Lease Liabilities [Roll Forward]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AdditionToLeaseLiabilities" xlink:label="gsm_AdditionToLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AdditionToLeaseLiabilities" xlink:to="gsm_AdditionToLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AdditionToLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of addition to lease liabilities due to new leases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AdditionToLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Addition To Lease Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_AdditionToLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additions</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInLeaseObligationDueToModification" xlink:label="gsm_IncreaseDecreaseInLeaseObligationDueToModification" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInLeaseObligationDueToModification" xlink:to="gsm_IncreaseDecreaseInLeaseObligationDueToModification_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInLeaseObligationDueToModification_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of (increase) decrease in lease obligation due to lease modification.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInLeaseObligationDueToModification_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Lease Obligation Due To Modification</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_IncreaseDecreaseInLeaseObligationDueToModification_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease modification</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeaseLiabilitiesDisposalsAndOther" xlink:label="gsm_LeaseLiabilitiesDisposalsAndOther" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeaseLiabilitiesDisposalsAndOther" xlink:to="gsm_LeaseLiabilitiesDisposalsAndOther_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeaseLiabilitiesDisposalsAndOther_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of disposals and other pertaining to lease liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeaseLiabilitiesDisposalsAndOther_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease Liabilities, Disposals And Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LeaseLiabilitiesDisposalsAndOther_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposals and other</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InterestExpenseOnLeaseLiabilitiesSofp" xlink:label="gsm_InterestExpenseOnLeaseLiabilitiesSofp" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InterestExpenseOnLeaseLiabilitiesSofp" xlink:to="gsm_InterestExpenseOnLeaseLiabilitiesSofp_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InterestExpenseOnLeaseLiabilitiesSofp_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of interest expense on lease liabilities recognized within the Statement of financial position.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InterestExpenseOnLeaseLiabilitiesSofp_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest Expense On Lease Liabilities (SOFP)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_InterestExpenseOnLeaseLiabilitiesSofp_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeasePayments" xlink:label="gsm_LeasePayments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeasePayments" xlink:to="gsm_LeasePayments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeasePayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash outflow of lease payments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeasePayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease payments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeaseLiabilitiesGainLossOnCurrencyTranslation" xlink:label="gsm_LeaseLiabilitiesGainLossOnCurrencyTranslation" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeaseLiabilitiesGainLossOnCurrencyTranslation" xlink:to="gsm_LeaseLiabilitiesGainLossOnCurrencyTranslation_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeaseLiabilitiesGainLossOnCurrencyTranslation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of gains (losses) on currency translation pertaining to lease liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeaseLiabilitiesGainLossOnCurrencyTranslation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease Liabilities, Gain (Loss) On Currency Translation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_LeaseLiabilitiesGainLossOnCurrencyTranslation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentMember" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_PropertyPlantAndEquipmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant &amp; equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Leased plant and machinery</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssets" xlink:label="ifrs-full_RightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RightofuseAssets" xlink:to="ifrs-full_RightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recognised finance lease as assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_RightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssetsMember" xlink:label="ifrs-full_RightofuseAssetsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RightofuseAssetsMember" xlink:to="ifrs-full_RightofuseAssetsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RightofuseAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Right-of-use assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RightofuseAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Right-of-use assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeasesMember" xlink:label="gsm_LeasesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeasesMember" xlink:to="gsm_LeasesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeasesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for leases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeasesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Leases [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LeasesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Leases</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationRightofuseAssets" xlink:label="ifrs-full_DepreciationRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationRightofuseAssets" xlink:to="ifrs-full_DepreciationRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation of right-of-use assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:label="ifrs-full_InterestExpenseOnLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:to="ifrs-full_InterestExpenseOnLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpenseOnLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expense on finance leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestExpenseOnLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expense on lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_InterestExpenseOnLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest on leases (Note 18)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PrincipalPaymentsOfLeaseLiabilities" xlink:label="gsm_PrincipalPaymentsOfLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PrincipalPaymentsOfLeaseLiabilities" xlink:to="gsm_PrincipalPaymentsOfLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PrincipalPaymentsOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash outflow for principal payment of lease liabilities, classified as financing activities. [Refer: Lease liabilities]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PrincipalPaymentsOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Principal Payments of lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PrincipalPaymentsOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Principal</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PaymentsOfInterestOnLeaseLiabilities" xlink:label="gsm_PaymentsOfInterestOnLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PaymentsOfInterestOnLeaseLiabilities" xlink:to="gsm_PaymentsOfInterestOnLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PaymentsOfInterestOnLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of cash outflow on payments of interest on lease liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PaymentsOfInterestOnLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments Of Interest On Lease Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PaymentsOfInterestOnLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroatlanticaS.a.u.Member" xlink:label="gsm_FerroatlanticaS.a.u.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroatlanticaS.a.u.Member" xlink:to="gsm_FerroatlanticaS.a.u.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroatlanticaS.a.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroatlantica, S.A.U.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroatlanticaS.a.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroatlantica, S.A.U.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfInterestOfSubsidiarySold" xlink:label="gsm_PercentageOfInterestOfSubsidiarySold" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfInterestOfSubsidiarySold" xlink:to="gsm_PercentageOfInterestOfSubsidiarySold_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfInterestOfSubsidiarySold_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage interest of a subsidiary sold.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfInterestOfSubsidiarySold_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Interest Of Subsidiary Sold</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfHydroelectricPowerPlantsTransferred" xlink:label="gsm_NumberOfHydroelectricPowerPlantsTransferred" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfHydroelectricPowerPlantsTransferred" xlink:to="gsm_NumberOfHydroelectricPowerPlantsTransferred_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfHydroelectricPowerPlantsTransferred_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of hydroelectric power plants transferred.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfHydroelectricPowerPlantsTransferred_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Hydroelectric Power Plants Transferred</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16" xlink:label="ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16" xlink:to="ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average lessee's incremental borrowing rate applied to lease liabilities recognised at date of initial application of IFRS 16</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageLesseesIncrementalBorrowingRateAppliedToLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Incremental borrowing rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xlink:label="ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xlink:to="ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expense relating to variable lease payments not included in measurement of lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Variable payment</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageReductionOfFutureVariableLeasePayments." xlink:label="gsm_PercentageReductionOfFutureVariableLeasePayments." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageReductionOfFutureVariableLeasePayments." xlink:to="gsm_PercentageReductionOfFutureVariableLeasePayments._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageReductionOfFutureVariableLeasePayments._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The Percentage Reduction of Future Variable Lease Payments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageReductionOfFutureVariableLeasePayments._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Reduction of Future Variable Lease Payments.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about financial instruments [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of financial liabilities [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of financial liabilities [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:to="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities at amortised cost, category [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities at amortized cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of financial liabilities [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of financial liabilities [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CommercialPaper.Member" xlink:label="gsm_CommercialPaper.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CommercialPaper.Member" xlink:to="gsm_CommercialPaper.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CommercialPaper.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for commercial paper</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CommercialPaper.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commercial paper. [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CommercialPaper.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commercial Paper</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about financial instruments [line items]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DebtInstrumentsInformationAbstract" xlink:label="gsm_DebtInstrumentsInformationAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DebtInstrumentsInformationAbstract" xlink:to="gsm_DebtInstrumentsInformationAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DebtInstrumentsInformationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DebtInstrumentsInformationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt Instruments Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DebtInstrumentsInformationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt Instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilities" xlink:label="ifrs-full_FinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilities" xlink:to="ifrs-full_FinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DebtSecurities" xlink:label="ifrs-full_DebtSecurities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DebtSecurities" xlink:to="ifrs-full_DebtSecurities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DebtSecurities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt instruments issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_DebtSecurities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total debt instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DebtSecurities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CommercialPaperProgramMember" xlink:label="gsm_CommercialPaperProgramMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CommercialPaperProgramMember" xlink:to="gsm_CommercialPaperProgramMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CommercialPaperProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for commercial paper program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CommercialPaperProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commercial paper Program [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CommercialPaperProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commercial Paper Program</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_UnitDenominationPerCommercialPaper" xlink:label="gsm_UnitDenominationPerCommercialPaper" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_UnitDenominationPerCommercialPaper" xlink:to="gsm_UnitDenominationPerCommercialPaper_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_UnitDenominationPerCommercialPaper_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of unit denomination per commercial paper.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_UnitDenominationPerCommercialPaper_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unit Denomination Per Commercial Paper</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_UnitDenominationPerCommercialPaper_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unit denomination per commercial paper</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_BorrowingsTerm" xlink:label="gsm_BorrowingsTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_BorrowingsTerm" xlink:to="gsm_BorrowingsTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_BorrowingsTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period of time between issuance and maturity of bank borrowings , in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_BorrowingsTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_BorrowingsTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings term</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FlexibleBorrowingPeriod" xlink:label="gsm_FlexibleBorrowingPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FlexibleBorrowingPeriod" xlink:to="gsm_FlexibleBorrowingPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FlexibleBorrowingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The duration in which the company will be allowed to issue commercial paper flexibly.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FlexibleBorrowingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Flexible Borrowing Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FlexibleBorrowingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Flexible issue period</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfCommercialPaperIssued" xlink:label="gsm_NumberOfCommercialPaperIssued" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfCommercialPaperIssued" xlink:to="gsm_NumberOfCommercialPaperIssued_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfCommercialPaperIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of commercial paper issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfCommercialPaperIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Commercial Paper Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NumberOfCommercialPaperIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of commercial paper issued</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CommercialPapersIssued" xlink:label="ifrs-full_CommercialPapersIssued" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CommercialPapersIssued" xlink:to="ifrs-full_CommercialPapersIssued_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CommercialPapersIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commercial papers issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CommercialPapersIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commercial papers issued</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:label="ifrs-full_RepaymentsOfBondsNotesAndDebentures" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:to="ifrs-full_RepaymentsOfBondsNotesAndDebentures_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RepaymentsOfBondsNotesAndDebentures_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayments of bonds, notes and debentures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RepaymentsOfBondsNotesAndDebentures_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate principal amount redeemed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_RepaymentsOfBondsNotesAndDebentures_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment of commercial paper issued.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ReinstatedSeniorNotesMember" xlink:label="gsm_ReinstatedSeniorNotesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ReinstatedSeniorNotesMember" xlink:to="gsm_ReinstatedSeniorNotesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ReinstatedSeniorNotesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Reinstated senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ReinstatedSeniorNotesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reinstated Senior Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ReinstatedSeniorNotesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Old Notes</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SeniorSecuredNotesDueIn2025Member" xlink:label="gsm_SeniorSecuredNotesDueIn2025Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SeniorSecuredNotesDueIn2025Member" xlink:to="gsm_SeniorSecuredNotesDueIn2025Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SeniorSecuredNotesDueIn2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for senior secured notes due in 2025.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SeniorSecuredNotesDueIn2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Senior Secured Notes due in 2025</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SeniorSecuredNotesDueIn2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Senior Secured Notes due in 2025</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RepaymentOfCallPremium" xlink:label="gsm_RepaymentOfCallPremium" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RepaymentOfCallPremium" xlink:to="gsm_RepaymentOfCallPremium_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RepaymentOfCallPremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash outflow to repay call premium.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RepaymentOfCallPremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment Of Call Premium</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialLiabilitiesTable" xlink:to="ifrs-full_DisclosureOfFinancialLiabilitiesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial liabilities [table]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ReindusLoanMember" xlink:label="gsm_ReindusLoanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ReindusLoanMember" xlink:to="gsm_ReindusLoanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ReindusLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">REINDUS Loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ReindusLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">REINDUS Loan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ReindusLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reindus loan</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SepiLoanMember" xlink:label="gsm_SepiLoanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SepiLoanMember" xlink:to="gsm_SepiLoanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SepiLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SEPI Loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SepiLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SEPI Loan [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SepiLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SEPI Loan</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial liabilities [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial Liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of financial liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFinancialLiabilities" xlink:label="ifrs-full_OtherFinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinancialLiabilities" xlink:to="ifrs-full_OtherFinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfLoanInstallmentsPayable" xlink:label="gsm_NumberOfLoanInstallmentsPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfLoanInstallmentsPayable" xlink:to="gsm_NumberOfLoanInstallmentsPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfLoanInstallmentsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the number of instalments that the loan is to be repaid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfLoanInstallmentsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Loan Installments Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NumberOfLoanInstallmentsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of loan installments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_BorrowingsTermGracePeriod" xlink:label="gsm_BorrowingsTermGracePeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_BorrowingsTermGracePeriod" xlink:to="gsm_BorrowingsTermGracePeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_BorrowingsTermGracePeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Length of the grace period for no installments due at the beginning of the loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_BorrowingsTermGracePeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings Term Grace Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_BorrowingsTermGracePeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grace period at start of loan</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LoanMaturingInFebruary2025Member" xlink:label="gsm_LoanMaturingInFebruary2025Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LoanMaturingInFebruary2025Member" xlink:to="gsm_LoanMaturingInFebruary2025Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LoanMaturingInFebruary2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for loan maturing in February 2025.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LoanMaturingInFebruary2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan maturing in February 2025</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LoanMaturingInJune2025Member" xlink:label="gsm_LoanMaturingInJune2025Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LoanMaturingInJune2025Member" xlink:to="gsm_LoanMaturingInJune2025Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LoanMaturingInJune2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for loan maturing in June 2025.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LoanMaturingInJune2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan maturing in June 2025</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FloatingInterestRateMember" xlink:label="ifrs-full_FloatingInterestRateMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FloatingInterestRateMember" xlink:to="ifrs-full_FloatingInterestRateMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FloatingInterestRateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Floating rate</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InstallmentAxis" xlink:label="gsm_InstallmentAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InstallmentAxis" xlink:to="gsm_InstallmentAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InstallmentAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InstallmentAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Installment [axis]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InstalmentsDomain" xlink:label="gsm_InstalmentsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InstalmentsDomain" xlink:to="gsm_InstalmentsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InstalmentsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for instalments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InstalmentsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Instalments [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InterestRateSpreadFirstYearMember" xlink:label="gsm_InterestRateSpreadFirstYearMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InterestRateSpreadFirstYearMember" xlink:to="gsm_InterestRateSpreadFirstYearMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InterestRateSpreadFirstYearMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for interest rate spread in first year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InterestRateSpreadFirstYearMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest rate spread, first year</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InterestRateSpreadSecondAndThirdYearsMember" xlink:label="gsm_InterestRateSpreadSecondAndThirdYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InterestRateSpreadSecondAndThirdYearsMember" xlink:to="gsm_InterestRateSpreadSecondAndThirdYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InterestRateSpreadSecondAndThirdYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for interest rate spread in second and third years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InterestRateSpreadSecondAndThirdYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest rate spread, second and third years</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InterestRateSpreadFourthYearMember" xlink:label="gsm_InterestRateSpreadFourthYearMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InterestRateSpreadFourthYearMember" xlink:to="gsm_InterestRateSpreadFourthYearMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InterestRateSpreadFourthYearMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for interest rate spread in fourth year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InterestRateSpreadFourthYearMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest Rate Spread, Fourth Year [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_InterestRateSpreadFourthYearMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest Rate Spread, Fourth Year</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InterestRateSpreadAdditionalMember" xlink:label="gsm_InterestRateSpreadAdditionalMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InterestRateSpreadAdditionalMember" xlink:to="gsm_InterestRateSpreadAdditionalMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InterestRateSpreadAdditionalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for additional interest rate spread if the company reports a positive results before income taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InterestRateSpreadAdditionalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest Rate Spread, Additional [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_InterestRateSpreadAdditionalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest Rate Spread, Additional</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobePlcInterestInGroupoFerroatlanticaAndGrupoFerroatlanticaDeServiciosMember" xlink:label="gsm_FerroglobePlcInterestInGroupoFerroatlanticaAndGrupoFerroatlanticaDeServiciosMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobePlcInterestInGroupoFerroatlanticaAndGrupoFerroatlanticaDeServiciosMember" xlink:to="gsm_FerroglobePlcInterestInGroupoFerroatlanticaAndGrupoFerroatlanticaDeServiciosMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobePlcInterestInGroupoFerroatlanticaAndGrupoFerroatlanticaDeServiciosMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for information related to Ferroglobe Plc interest in subsidiaries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobePlcInterestInGroupoFerroatlanticaAndGrupoFerroatlanticaDeServiciosMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Plc interest in Groupo FerroAtlantica and Grupo FerroAtlantica de Servicios [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobePlcInterestInGroupoFerroatlanticaAndGrupoFerroatlanticaDeServiciosMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Plc interest in Groupo FerroAtlantica and Grupo FerroAtlantica de Servicios</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrupoVillarMirSauVotingStakeInFerroglobePlcMember" xlink:label="gsm_GrupoVillarMirSauVotingStakeInFerroglobePlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrupoVillarMirSauVotingStakeInFerroglobePlcMember" xlink:to="gsm_GrupoVillarMirSauVotingStakeInFerroglobePlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrupoVillarMirSauVotingStakeInFerroglobePlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Grupo Villar Mir S.A.U. voting stake in Ferroglobe PLC</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrupoVillarMirSauVotingStakeInFerroglobePlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grupo Villar Mir SAU Voting Stake In Ferroglobe PLC [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GrupoVillarMirSauVotingStakeInFerroglobePlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grupo Villar Mir SAU Voting Stake in Ferroglobe PLC</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FgSpainDirectOrIndirectInterestInFgCorporateMember" xlink:label="gsm_FgSpainDirectOrIndirectInterestInFgCorporateMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FgSpainDirectOrIndirectInterestInFgCorporateMember" xlink:to="gsm_FgSpainDirectOrIndirectInterestInFgCorporateMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FgSpainDirectOrIndirectInterestInFgCorporateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for FG Spain's direct or indirect interest in FG Corporate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FgSpainDirectOrIndirectInterestInFgCorporateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FG Spain Direct or Indirect Interest In FG Corporate [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrupoFerroatlnticaS.a.u.AndGrupoFerrotlanticaDeServiciosS.l.u.Member" xlink:label="gsm_GrupoFerroatlnticaS.a.u.AndGrupoFerrotlanticaDeServiciosS.l.u.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrupoFerroatlnticaS.a.u.AndGrupoFerrotlanticaDeServiciosS.l.u.Member" xlink:to="gsm_GrupoFerroatlnticaS.a.u.AndGrupoFerrotlanticaDeServiciosS.l.u.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrupoFerroatlnticaS.a.u.AndGrupoFerrotlanticaDeServiciosS.l.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for information related to Grupo Ferroatlantica, S.A.U. and Grupo Ferroalantica de Servicios, S.L.U.,.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrupoFerroatlnticaS.a.u.AndGrupoFerrotlanticaDeServiciosS.l.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grupo Ferroatlntica, S.A.U. and Grupo Ferrotlantica de Servicios, S.L.U.,</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GrupoFerroatlnticaS.a.u.AndGrupoFerrotlanticaDeServiciosS.l.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grupo Ferroatlntica, S.A.U. and Grupo Ferrotlantica de Servicios, S.L.U.,</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ExceptionToRestrictionOfPaymentOfIntercompanyNetCommercialBalanceAsOfJune302021" xlink:label="gsm_ExceptionToRestrictionOfPaymentOfIntercompanyNetCommercialBalanceAsOfJune302021" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ExceptionToRestrictionOfPaymentOfIntercompanyNetCommercialBalanceAsOfJune302021" xlink:to="gsm_ExceptionToRestrictionOfPaymentOfIntercompanyNetCommercialBalanceAsOfJune302021_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ExceptionToRestrictionOfPaymentOfIntercompanyNetCommercialBalanceAsOfJune302021_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The exception to restriction of payment of intercompany net commercial balance as of 30 June 2021.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ExceptionToRestrictionOfPaymentOfIntercompanyNetCommercialBalanceAsOfJune302021_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exception To Restriction Of Payment Of Intercompany Net Commercial balance As of June 30 2021</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ExceptionToRestrictionOfPaymentOfIntercompanyNetCommercialBalanceAsOfJune302021_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intercompany loan exempt</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfOwnershipInterestCeasesToExistTriggersEarlyRepaymentOfLoan" xlink:label="gsm_PercentageOfOwnershipInterestCeasesToExistTriggersEarlyRepaymentOfLoan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfOwnershipInterestCeasesToExistTriggersEarlyRepaymentOfLoan" xlink:to="gsm_PercentageOfOwnershipInterestCeasesToExistTriggersEarlyRepaymentOfLoan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfOwnershipInterestCeasesToExistTriggersEarlyRepaymentOfLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of ownership interest ceases to exist that result in change of control causing early repayment of loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfOwnershipInterestCeasesToExistTriggersEarlyRepaymentOfLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Ownership Interest Ceases To Exist, Triggers Early Repayment Of Loan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfOwnershipInterestCeasesToExistTriggersEarlyRepaymentOfLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of ownership interest ceases to exist which triggers change of control and early repayment</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligations" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligations" xlink:to="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold amount of default on payment obligations arising from indebtedness contracted with any other entity during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt Instrument, Threshold Amount Of Default On Payment Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt instrument threshold amount of default on payment obligations</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsOnCommercialNonFinancialNature" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsOnCommercialNonFinancialNature" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsOnCommercialNonFinancialNature" xlink:to="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsOnCommercialNonFinancialNature_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsOnCommercialNonFinancialNature_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold amount of default on payment obligations of commercial (non-financial) nature assumed with third parties for individual or cumulative amount.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsOnCommercialNonFinancialNature_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt Instrument, Threshold Amount of Default On Payment Obligations On Commercial Non Financial Nature</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsWithCreditors" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsWithCreditors" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsWithCreditors" xlink:to="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsWithCreditors_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsWithCreditors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold amount of default on payment obligations arising from indebtedness contracted with creditors during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsWithCreditors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt Instrument, Threshold Amount Of Default On Payment Obligations With Creditors</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsWithCreditors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt Instrument, Threshold Amount of Default on Payment Obligations with Creditors</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about hedging instruments [table]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsHedgingDesignationAxis" xlink:label="gsm_IfrsHedgingDesignationAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsHedgingDesignationAxis" xlink:to="gsm_IfrsHedgingDesignationAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsHedgingDesignationAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by designation of purpose of derivative instrument.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsHedgingDesignationAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Hedging Designation [Axis]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsHedgingDesignationDomain" xlink:label="gsm_IfrsHedgingDesignationDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsHedgingDesignationDomain" xlink:to="gsm_IfrsHedgingDesignationDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsHedgingDesignationDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Designation of purpose of derivative instrument.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsHedgingDesignationDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Hedging Designation [Domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsNotDesignatedAsHedgingInstrumentMember" xlink:label="gsm_IfrsNotDesignatedAsHedgingInstrumentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsNotDesignatedAsHedgingInstrumentMember" xlink:to="gsm_IfrsNotDesignatedAsHedgingInstrumentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsNotDesignatedAsHedgingInstrumentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative instrument not designated as hedging instrument.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsNotDesignatedAsHedgingInstrumentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Not Designated as Hedging Instrument [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsNotDesignatedAsHedgingInstrumentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative instrument not designated as hedging instrument</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsDesignatedAsHedgingInstrumentMember" xlink:label="gsm_IfrsDesignatedAsHedgingInstrumentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsDesignatedAsHedgingInstrumentMember" xlink:to="gsm_IfrsDesignatedAsHedgingInstrumentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsDesignatedAsHedgingInstrumentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative instrument designated as hedging instrument.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsDesignatedAsHedgingInstrumentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivatives designated as hedging instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_HedgingInstrumentsAxis" xlink:label="ifrs-full_HedgingInstrumentsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_HedgingInstrumentsAxis" xlink:to="ifrs-full_HedgingInstrumentsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_HedgingInstrumentsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hedging instruments [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_HedgingInstrumentsDomain" xlink:label="ifrs-full_HedgingInstrumentsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_HedgingInstrumentsDomain" xlink:to="ifrs-full_HedgingInstrumentsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_HedgingInstrumentsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hedging instruments [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PurchasePowerAgreementHedgingInstrumentMember" xlink:label="gsm_PurchasePowerAgreementHedgingInstrumentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PurchasePowerAgreementHedgingInstrumentMember" xlink:to="gsm_PurchasePowerAgreementHedgingInstrumentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PurchasePowerAgreementHedgingInstrumentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Purchase Power Agreement Hedging Instrument.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PurchasePowerAgreementHedgingInstrumentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Power Agreement Hedging Instrument [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAxis" xlink:label="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAxis" xlink:to="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of Derivative Instruments Not Designated As hedging instruments [axis]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsDomain" xlink:label="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsDomain" xlink:to="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of Derivative Instruments Not Designated As hedging instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of Derivative Instruments Not Designated As hedging instruments [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PowerPurchaseAgreementMember" xlink:label="gsm_PowerPurchaseAgreementMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PowerPurchaseAgreementMember" xlink:to="gsm_PowerPurchaseAgreementMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PowerPurchaseAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to power purchase agreement .</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PowerPurchaseAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Power Purchase Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PowerPurchaseAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Power Purchase Agreement (PPA)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EdfEnergyContractMember" xlink:label="gsm_EdfEnergyContractMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EdfEnergyContractMember" xlink:to="gsm_EdfEnergyContractMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EdfEnergyContractMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to EDF energy contract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EdfEnergyContractMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">EDF energy contract [Member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about hedging instruments [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:label="ifrs-full_NoncurrentDerivativeFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:to="ifrs-full_NoncurrentDerivativeFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentDerivativeFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current derivative financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentDerivativeFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Noncurrent derivative financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentDerivativeFinancialAssets" xlink:label="ifrs-full_CurrentDerivativeFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentDerivativeFinancialAssets" xlink:to="ifrs-full_CurrentDerivativeFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentDerivativeFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current derivative financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentDerivativeFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current derivative financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialAssets" xlink:label="ifrs-full_DerivativeFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DerivativeFinancialAssets" xlink:to="ifrs-full_DerivativeFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DerivativeFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DerivativeFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial assets - PPA</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_DerivativeFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:label="ifrs-full_CurrentDerivativeFinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:to="ifrs-full_CurrentDerivativeFinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current derivative financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_CurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial instruments, current</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialLiabilities" xlink:label="ifrs-full_DerivativeFinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DerivativeFinancialLiabilities" xlink:to="ifrs-full_DerivativeFinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial liabilities - PPA</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_DerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial liabilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PowerPurchaseAgreementHedgingInstrumentsMember" xlink:label="gsm_PowerPurchaseAgreementHedgingInstrumentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PowerPurchaseAgreementHedgingInstrumentsMember" xlink:to="gsm_PowerPurchaseAgreementHedgingInstrumentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PowerPurchaseAgreementHedgingInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Power Purchase Agreement Hedging Instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PowerPurchaseAgreementHedgingInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Power Purchase Agreement Hedging Instruments [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PowerPurchaseAgreementPlantOperationsMember" xlink:label="gsm_PowerPurchaseAgreementPlantOperationsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PowerPurchaseAgreementPlantOperationsMember" xlink:to="gsm_PowerPurchaseAgreementPlantOperationsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PowerPurchaseAgreementPlantOperationsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Power Purchase Agreement Plant Operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PowerPurchaseAgreementPlantOperationsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Power Purchase Agreement Plant Operations [Member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfHedgesAxis" xlink:label="ifrs-full_TypesOfHedgesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfHedgesAxis" xlink:to="ifrs-full_TypesOfHedgesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfHedgesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of hedges [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfHedgesDomain" xlink:label="ifrs-full_TypesOfHedgesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfHedgesDomain" xlink:to="ifrs-full_TypesOfHedgesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfHedgesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of hedges [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowHedgesMember" xlink:label="ifrs-full_CashFlowHedgesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowHedgesMember" xlink:to="ifrs-full_CashFlowHedgesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowHedgesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flow hedges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowHedgesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flow hedges</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PurchasePowerAgreementNotHeldForHedgingMember" xlink:label="gsm_PurchasePowerAgreementNotHeldForHedgingMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PurchasePowerAgreementNotHeldForHedgingMember" xlink:to="gsm_PurchasePowerAgreementNotHeldForHedgingMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PurchasePowerAgreementNotHeldForHedgingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Power Purchase Agreement Not Held For Hedging</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PurchasePowerAgreementNotHeldForHedgingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Power Agreement Not Held For Hedging [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfPurchasePriceAgreements" xlink:label="gsm_NumberOfPurchasePriceAgreements" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfPurchasePriceAgreements" xlink:to="gsm_NumberOfPurchasePriceAgreements_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfPurchasePriceAgreements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of power purchase agreements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfPurchasePriceAgreements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Purchase Price Agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NumberOfPurchasePriceAgreements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of purchase price agreements</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_HedgingInstrumentLiabilities" xlink:label="ifrs-full_HedgingInstrumentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_HedgingInstrumentLiabilities" xlink:to="ifrs-full_HedgingInstrumentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_HedgingInstrumentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hedging instrument, liabilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_HedgingInstrumentLiabilitiesValuationDay1DifferenceDeferred." xlink:label="gsm_HedgingInstrumentLiabilitiesValuationDay1DifferenceDeferred." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_HedgingInstrumentLiabilitiesValuationDay1DifferenceDeferred." xlink:to="gsm_HedgingInstrumentLiabilitiesValuationDay1DifferenceDeferred._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_HedgingInstrumentLiabilitiesValuationDay1DifferenceDeferred._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of a hedging instrument, Liabilities Valuation Day 1 Difference Deferred.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_HedgingInstrumentLiabilitiesValuationDay1DifferenceDeferred._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hedging Instrument Liabilities Valuation Day 1 Difference Deferred.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_HedgingInstrumentLiabilitiesValuationDay1DifferenceDeferred._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Valuation day-1 difference deferred.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PurchasePowerAgreementsValuationDay1DifferenceDeferred" xlink:label="gsm_PurchasePowerAgreementsValuationDay1DifferenceDeferred" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PurchasePowerAgreementsValuationDay1DifferenceDeferred" xlink:to="gsm_PurchasePowerAgreementsValuationDay1DifferenceDeferred_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PurchasePowerAgreementsValuationDay1DifferenceDeferred_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of purchase power agreement Valuation Day 1 Difference Deferred.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PurchasePowerAgreementsValuationDay1DifferenceDeferred_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Power Agreements Valuation Day 1 Difference Deferred</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EnergyPriceMember" xlink:label="gsm_EnergyPriceMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EnergyPriceMember" xlink:to="gsm_EnergyPriceMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EnergyPriceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Energy Price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EnergyPriceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energy Price [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CapVolatilityMember" xlink:label="gsm_CapVolatilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CapVolatilityMember" xlink:to="gsm_CapVolatilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CapVolatilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Cap volatility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CapVolatilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cap Volatility [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SignificantUnobservableInputsDerivativeFinancialInstruments" xlink:label="gsm_SignificantUnobservableInputsDerivativeFinancialInstruments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SignificantUnobservableInputsDerivativeFinancialInstruments" xlink:to="gsm_SignificantUnobservableInputsDerivativeFinancialInstruments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SignificantUnobservableInputsDerivativeFinancialInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The value of significant unobservable input Derivative Financial Instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SignificantUnobservableInputsDerivativeFinancialInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Significant Unobservable Inputs Derivative Financial Instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Level 3 of fair value hierarchy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Level 3 of fair value hierarchy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Level 3</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_HedgingFinancialInstruments" xlink:label="gsm_HedgingFinancialInstruments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_HedgingFinancialInstruments" xlink:to="gsm_HedgingFinancialInstruments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_HedgingFinancialInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of hedging financial instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_HedgingFinancialInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hedging Financial Instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputInputDerivativeFinancialInstrument" xlink:label="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputInputDerivativeFinancialInstrument" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputInputDerivativeFinancialInstrument" xlink:to="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputInputDerivativeFinancialInstrument_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputInputDerivativeFinancialInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of increase (decrease) in the fair value measurement of Derivative Financial Instrument due to a reasonably possible increase in an unobservable input.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputInputDerivativeFinancialInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Fair Value Measurement Due To Reasonably Possible Increase In Unobservable Input Input Derivative Financial Instrument</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputInputDerivativeFinancialInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in value - PPA</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputInputDerivativeFinancialInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in value - Energy contract</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputInputDerivativeFinancialInstrument" xlink:label="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputInputDerivativeFinancialInstrument" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputInputDerivativeFinancialInstrument" xlink:to="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputInputDerivativeFinancialInstrument_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputInputDerivativeFinancialInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of increase (decrease) in the fair value measurement of Derivative Financial Instrument due to a reasonably possible decrease in an unobservable input.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputInputDerivativeFinancialInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Fair Value Measurement Due To Reasonably Possible Decrease In Unobservable Input Input Derivative Financial Instrument</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputInputDerivativeFinancialInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease in value - PPA</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputInputDerivativeFinancialInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease in value - Energy contract</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable" xlink:label="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable" xlink:to="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems" xlink:label="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems" xlink:to="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative financial instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DerivativeInstrumentPurchasePriceAgreementWithEnergyaVmGestinDeEnergaSluMember" xlink:label="gsm_DerivativeInstrumentPurchasePriceAgreementWithEnergyaVmGestinDeEnergaSluMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DerivativeInstrumentPurchasePriceAgreementWithEnergyaVmGestinDeEnergaSluMember" xlink:to="gsm_DerivativeInstrumentPurchasePriceAgreementWithEnergyaVmGestinDeEnergaSluMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DerivativeInstrumentPurchasePriceAgreementWithEnergyaVmGestinDeEnergaSluMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to derivative instruments Purchase Price Agreements with Energya VM Gestin de Energa, SLU.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DerivativeInstrumentPurchasePriceAgreementWithEnergyaVmGestinDeEnergaSluMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Instrument, Purchase Price Agreement With Energya VM Gestin de Energa, SLU [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DerivativeInstrumentPurchasePriceAgreementWithEnergyaVmGestinDeEnergaSluMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PPA EnergyaVM</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LaterThanTwoYearsNoLaterThanFiveYearsMember" xlink:label="gsm_LaterThanTwoYearsNoLaterThanFiveYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LaterThanTwoYearsNoLaterThanFiveYearsMember" xlink:to="gsm_LaterThanTwoYearsNoLaterThanFiveYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LaterThanTwoYearsNoLaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a time band of later than two year and not later than five years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LaterThanTwoYearsNoLaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later Than Two Years No Later Than Five Years [Member]]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanFiveYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanFiveYearsMember" xlink:to="ifrs-full_LaterThanFiveYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later than five years</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PurchaseCommitments" xlink:label="gsm_PurchaseCommitments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PurchaseCommitments" xlink:to="gsm_PurchaseCommitments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PurchaseCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of purchase expenditures that the entity is committed to make.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PurchaseCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase commitments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EdfEnergyContractsMember" xlink:label="gsm_EdfEnergyContractsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EdfEnergyContractsMember" xlink:to="gsm_EdfEnergyContractsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EdfEnergyContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to EDF energy contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EdfEnergyContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">EDF Energy Contracts [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CpiContractMember" xlink:label="gsm_CpiContractMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CpiContractMember" xlink:to="gsm_CpiContractMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CpiContractMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to electricity supply agreement ("CPI Contract").</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CpiContractMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CPI COntract [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RetailContractMember" xlink:label="gsm_RetailContractMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RetailContractMember" xlink:to="gsm_RetailContractMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RetailContractMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to electricity supply agreement ("Retail Contract") covering 100% of consumption from 2026 to 2029.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RetailContractMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retail Contract [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfElectricitySupplyAgreements" xlink:label="gsm_NumberOfElectricitySupplyAgreements" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfElectricitySupplyAgreements" xlink:to="gsm_NumberOfElectricitySupplyAgreements_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfElectricitySupplyAgreements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of electricity supply agreements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfElectricitySupplyAgreements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Electricity SUpply Agreements</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfForecastConsumptionCoveredByElectricitySupplyAgreement." xlink:label="gsm_PercentageOfForecastConsumptionCoveredByElectricitySupplyAgreement." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfForecastConsumptionCoveredByElectricitySupplyAgreement." xlink:to="gsm_PercentageOfForecastConsumptionCoveredByElectricitySupplyAgreement._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfForecastConsumptionCoveredByElectricitySupplyAgreement._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Percentage of Forecast Consumption Covered By Electricity Supply Agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfForecastConsumptionCoveredByElectricitySupplyAgreement._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Forecast Consumption Covered By Electricity Supply Agreement.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfConsumptionToleranceBand" xlink:label="gsm_PercentageOfConsumptionToleranceBand" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfConsumptionToleranceBand" xlink:to="gsm_PercentageOfConsumptionToleranceBand_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfConsumptionToleranceBand_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Consumption Tolerance Band within the retail contract which has integrated the CPI block into EDF's retail billing framework.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfConsumptionToleranceBand_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Consumption Tolerance Band</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SiliconIndexPriceMember" xlink:label="gsm_SiliconIndexPriceMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SiliconIndexPriceMember" xlink:to="gsm_SiliconIndexPriceMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SiliconIndexPriceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Silicon index price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SiliconIndexPriceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Silicon Index Price [Member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeApproachMember" xlink:label="ifrs-full_IncomeApproachMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeApproachMember" xlink:to="ifrs-full_IncomeApproachMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeApproachMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income approach [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_Co2PriceMember" xlink:label="gsm_Co2PriceMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_Co2PriceMember" xlink:to="gsm_Co2PriceMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_Co2PriceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to CO2 price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_Co2PriceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CO2 price [Member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:label="ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:to="ifrs-full_TradeAndOtherPayablesToTradeSuppliers_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherPayablesToTradeSuppliers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherPayablesToTradeSuppliers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payable to suppliers</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepositsFromCustomers" xlink:label="ifrs-full_DepositsFromCustomers" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepositsFromCustomers" xlink:to="ifrs-full_DepositsFromCustomers_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepositsFromCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deposits from customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DepositsFromCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Advances from customers</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RemunerationPayableNonCurrent" xlink:label="gsm_RemunerationPayableNonCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RemunerationPayableNonCurrent" xlink:to="gsm_RemunerationPayableNonCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RemunerationPayableNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of liability on non-current remuneration payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RemunerationPayableNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remuneration payable non-current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RemunerationPayableNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remuneration payable - Non- Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RemunerationPayableCurrent" xlink:label="gsm_RemunerationPayableCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RemunerationPayableCurrent" xlink:to="gsm_RemunerationPayableCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RemunerationPayableCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of liability on current remuneration payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RemunerationPayableCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remuneration payable, current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RemunerationPayableCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remuneration payable - Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RemunerationPayable" xlink:label="gsm_RemunerationPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RemunerationPayable" xlink:to="gsm_RemunerationPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RemunerationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of liability on remuneration payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RemunerationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remuneration payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_RemunerationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remuneration payable</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TaxPayablesCurrent" xlink:label="gsm_TaxPayablesCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TaxPayablesCurrent" xlink:to="gsm_TaxPayablesCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TaxPayablesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of liability on current tax payables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TaxPayablesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax payables current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TaxPayablesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax payables - Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TaxPayables" xlink:label="gsm_TaxPayables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TaxPayables" xlink:to="gsm_TaxPayables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TaxPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of liability on tax payables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TaxPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_TaxPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax payables</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NonCurrentPayableToSuppliersForNonCurrentAssets" xlink:label="gsm_NonCurrentPayableToSuppliersForNonCurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NonCurrentPayableToSuppliersForNonCurrentAssets" xlink:to="gsm_NonCurrentPayableToSuppliersForNonCurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NonCurrentPayableToSuppliersForNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non-current payables to non-current asset suppliers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NonCurrentPayableToSuppliersForNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current Payable to Suppliers for Non-current Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NonCurrentPayableToSuppliersForNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payable to non-current asset suppliers- Non-Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CurrentPayableToSuppliersForNonCurrentAssets" xlink:label="gsm_CurrentPayableToSuppliersForNonCurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CurrentPayableToSuppliersForNonCurrentAssets" xlink:to="gsm_CurrentPayableToSuppliersForNonCurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CurrentPayableToSuppliersForNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current payables to non-current asset suppliers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CurrentPayableToSuppliersForNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Payable to Suppliers for Non-current Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CurrentPayableToSuppliersForNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payable to non-current asset suppliers- Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PayableToSuppliersForNonCurrentAssets" xlink:label="gsm_PayableToSuppliersForNonCurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PayableToSuppliersForNonCurrentAssets" xlink:to="gsm_PayableToSuppliersForNonCurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PayableToSuppliersForNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of payables to non-current asset suppliers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PayableToSuppliersForNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payable to Suppliers for Non-current Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_PayableToSuppliersForNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payable to non-current asset suppliers</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NonCurrentContingentConsiderationPayable" xlink:label="gsm_NonCurrentContingentConsiderationPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NonCurrentContingentConsiderationPayable" xlink:to="gsm_NonCurrentContingentConsiderationPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NonCurrentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non-current contingent consideration payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NonCurrentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current Contingent Consideration Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NonCurrentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration - Non-Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CurrentContingentConsiderationPayable" xlink:label="gsm_CurrentContingentConsiderationPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CurrentContingentConsiderationPayable" xlink:to="gsm_CurrentContingentConsiderationPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CurrentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current contingent consideration payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CurrentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Contingent Consideration Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CurrentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration - Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ContingentConsiderationPayable" xlink:label="gsm_ContingentConsiderationPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ContingentConsiderationPayable" xlink:to="gsm_ContingentConsiderationPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of contingent consideration payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent Consideration Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_ContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherGrantsPayableNonCurrent" xlink:label="gsm_OtherGrantsPayableNonCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherGrantsPayableNonCurrent" xlink:to="gsm_OtherGrantsPayableNonCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherGrantsPayableNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non-current grants payable, classified as other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherGrantsPayableNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Grants Payable, Non-current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherGrantsPayableNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other grants - Non-Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherGrantsPayableCurrent" xlink:label="gsm_OtherGrantsPayableCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherGrantsPayableCurrent" xlink:to="gsm_OtherGrantsPayableCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherGrantsPayableCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current grants payable, classified as other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherGrantsPayableCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Grants Payable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherGrantsPayableCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other grants - Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherGrantsPayable" xlink:label="gsm_OtherGrantsPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherGrantsPayable" xlink:to="gsm_OtherGrantsPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherGrantsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of grants payable, classified as other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherGrantsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Grants Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_OtherGrantsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other grants</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GuaranteeAndDepositsLiabilityNonCurrent" xlink:label="gsm_GuaranteeAndDepositsLiabilityNonCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GuaranteeAndDepositsLiabilityNonCurrent" xlink:to="gsm_GuaranteeAndDepositsLiabilityNonCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GuaranteeAndDepositsLiabilityNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non-current guarantees and deposits liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GuaranteeAndDepositsLiabilityNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantee and Deposits Liability, Non-current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GuaranteeAndDepositsLiabilityNonCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantees and deposits - Non-Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GuaranteeAndDepositsLiabilityCurrent" xlink:label="gsm_GuaranteeAndDepositsLiabilityCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GuaranteeAndDepositsLiabilityCurrent" xlink:to="gsm_GuaranteeAndDepositsLiabilityCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GuaranteeAndDepositsLiabilityCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current guarantees and deposits liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GuaranteeAndDepositsLiabilityCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantee and Deposits Liability, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GuaranteeAndDepositsLiabilityCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantees and deposits - Current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GuaranteeAndDepositsLiability" xlink:label="gsm_GuaranteeAndDepositsLiability" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GuaranteeAndDepositsLiability" xlink:to="gsm_GuaranteeAndDepositsLiability_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GuaranteeAndDepositsLiability_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of guarantees and deposits liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GuaranteeAndDepositsLiability_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantee and Deposits Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_GuaranteeAndDepositsLiability_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantees and deposits</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MiscellaneousOtherLiabilitiesCurrent" xlink:label="gsm_MiscellaneousOtherLiabilitiesCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MiscellaneousOtherLiabilitiesCurrent" xlink:to="gsm_MiscellaneousOtherLiabilitiesCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MiscellaneousOtherLiabilitiesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of miscellaneous other current liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MiscellaneousOtherLiabilitiesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous other liabilities, current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_MiscellaneousOtherLiabilitiesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other liabilities - current</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MiscellaneousOtherLiabilities" xlink:label="gsm_MiscellaneousOtherLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MiscellaneousOtherLiabilities" xlink:to="gsm_MiscellaneousOtherLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MiscellaneousOtherLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of miscellaneous other liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MiscellaneousOtherLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous other liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gsm_MiscellaneousOtherLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherLiabilities" xlink:label="ifrs-full_OtherLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherLiabilities" xlink:to="ifrs-full_OtherLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValueAddedTaxPayables" xlink:label="ifrs-full_ValueAddedTaxPayables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ValueAddedTaxPayables" xlink:to="ifrs-full_ValueAddedTaxPayables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ValueAddedTaxPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Value added tax payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ValueAddedTaxPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">VAT</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:label="ifrs-full_PayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:to="ifrs-full_PayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payables on social security and taxes other than income tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued social security taxes payable</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PayablesOnPersonalIncomeTaxWithholding" xlink:label="gsm_PayablesOnPersonalIncomeTaxWithholding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PayablesOnPersonalIncomeTaxWithholding" xlink:to="gsm_PayablesOnPersonalIncomeTaxWithholding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PayablesOnPersonalIncomeTaxWithholding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of personal income tax withholdings payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PayablesOnPersonalIncomeTaxWithholding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payables on personal income tax withholding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PayablesOnPersonalIncomeTaxWithholding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Personal income tax withholding payable</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherTaxesPayable" xlink:label="gsm_OtherTaxesPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherTaxesPayable" xlink:to="gsm_OtherTaxesPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherTaxesPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of other taxes payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherTaxesPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other taxes payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherTaxesPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherObligationAbstract" xlink:label="gsm_OtherObligationAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherObligationAbstract" xlink:to="gsm_OtherObligationAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherObligationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">N/A.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherObligationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other obligations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of terms and conditions of share-based payment arrangement [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BusinessCombinationsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Business combinations [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BusinessCombinationsDomain" xlink:to="ifrs-full_BusinessCombinationsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BusinessCombinationsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Business combinations [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeManganNorgeAndFerroglobeManganeseFranceMember" xlink:label="gsm_FerroglobeManganNorgeAndFerroglobeManganeseFranceMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeManganNorgeAndFerroglobeManganeseFranceMember" xlink:to="gsm_FerroglobeManganNorgeAndFerroglobeManganeseFranceMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeManganNorgeAndFerroglobeManganeseFranceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ferroglobe Mangan Norge and Ferroglobe Manganese France .</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeManganNorgeAndFerroglobeManganeseFranceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Mangan Norge and Ferroglobe Manganese France</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of terms and conditions of share-based payment arrangement [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of terms and conditions of share-based payment arrangement [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:to="ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration arrangements</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PeriodForContingentConsideration" xlink:label="gsm_PeriodForContingentConsideration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PeriodForContingentConsideration" xlink:to="gsm_PeriodForContingentConsideration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PeriodForContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period for contingent consideration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PeriodForContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period For Contingent Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PeriodForContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period for contingent consideration</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PaymentOfContingentConsideration" xlink:label="gsm_PaymentOfContingentConsideration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PaymentOfContingentConsideration" xlink:to="gsm_PaymentOfContingentConsideration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PaymentOfContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash out flow of contingent consideration paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PaymentOfContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payment of Contingent Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PaymentOfContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payment of contingent consideration</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AccumulatedPaymentsOfContingentConsideration" xlink:label="gsm_AccumulatedPaymentsOfContingentConsideration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AccumulatedPaymentsOfContingentConsideration" xlink:to="gsm_AccumulatedPaymentsOfContingentConsideration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AccumulatedPaymentsOfContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The total accumulated payments of contingent consideration as of the balance sheet date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AccumulatedPaymentsOfContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated Payments Of Contingent Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AccumulatedPaymentsOfContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated payments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesIncurred" xlink:label="ifrs-full_LiabilitiesIncurred" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesIncurred" xlink:to="ifrs-full_LiabilitiesIncurred_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesIncurred_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LiabilitiesIncurred_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantReceivedFromMinistryOfIndustryAndTourismOfGovernmentOfSpain" xlink:label="gsm_GrantReceivedFromMinistryOfIndustryAndTourismOfGovernmentOfSpain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantReceivedFromMinistryOfIndustryAndTourismOfGovernmentOfSpain" xlink:to="gsm_GrantReceivedFromMinistryOfIndustryAndTourismOfGovernmentOfSpain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantReceivedFromMinistryOfIndustryAndTourismOfGovernmentOfSpain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The Grant Received From Ministry Of Industry And Tourism Of The Government Of Spain</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantReceivedFromMinistryOfIndustryAndTourismOfGovernmentOfSpain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant Received From Ministry Of Industry And Tourism Of The Government Of Spain</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ProjectedCapitalExpenditureInvestment" xlink:label="gsm_ProjectedCapitalExpenditureInvestment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ProjectedCapitalExpenditureInvestment" xlink:to="gsm_ProjectedCapitalExpenditureInvestment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ProjectedCapitalExpenditureInvestment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The expected amount of projected capital expenditure investment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ProjectedCapitalExpenditureInvestment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Projected Capital Expenditure Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ProjectedCapitalExpenditureInvestment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Projected capital expenditure investment</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ThresholdEmissionReductionForecastPercentage" xlink:label="gsm_ThresholdEmissionReductionForecastPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ThresholdEmissionReductionForecastPercentage" xlink:to="gsm_ThresholdEmissionReductionForecastPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ThresholdEmissionReductionForecastPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of emission reduction forecast that needs to be achieved in order to approve budget.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ThresholdEmissionReductionForecastPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold Emission Reduction Forecast Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ThresholdEmissionReductionForecastPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold emission reduction forecast percentage</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ThresholdFinalInvestmentPercentageOfTotalBudget" xlink:label="gsm_ThresholdFinalInvestmentPercentageOfTotalBudget" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ThresholdFinalInvestmentPercentageOfTotalBudget" xlink:to="gsm_ThresholdFinalInvestmentPercentageOfTotalBudget_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ThresholdFinalInvestmentPercentageOfTotalBudget_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The final investment, expressed as a percentage of total budget, below which the grants will be fully returned.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ThresholdFinalInvestmentPercentageOfTotalBudget_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold Final Investment Percentage of Total Budget</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ThresholdFinalInvestmentPercentageOfTotalBudget_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold final investment percentage of total budget</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxExpenseIncome" xlink:label="ifrs-full_CurrentTaxExpenseIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxExpenseIncome" xlink:to="ifrs-full_CurrentTaxExpenseIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxExpenseIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current tax expense (income)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxExpenseIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current income tax charge</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:label="ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:to="ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for current tax of prior periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments in current income tax in respect of prior years</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:label="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:to="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current tax expense (income) and adjustments for current tax of prior periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:to="ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax expense (income) relating to origination and reversal of temporary differences</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Origination and reversal of temporary differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes" xlink:to="ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax expense (income) relating to tax rate changes or imposition of new taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impact of tax rate changes</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxExpenseArisingFromWritedownOrReversalOfWritedownOfDeferredTaxAsset" xlink:label="ifrs-full_DeferredTaxExpenseArisingFromWritedownOrReversalOfWritedownOfDeferredTaxAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxExpenseArisingFromWritedownOrReversalOfWritedownOfDeferredTaxAsset" xlink:to="ifrs-full_DeferredTaxExpenseArisingFromWritedownOrReversalOfWritedownOfDeferredTaxAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxExpenseArisingFromWritedownOrReversalOfWritedownOfDeferredTaxAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax expense arising from write-down or reversal of write-down of deferred tax asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredTaxExpenseArisingFromWritedownOrReversalOfWritedownOfDeferredTaxAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Write-down of deferred tax assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods" xlink:label="ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods" xlink:to="ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for deferred tax of prior periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments in deferred tax in respect of prior years</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxExpenseIncome" xlink:label="ifrs-full_DeferredTaxExpenseIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxExpenseIncome" xlink:to="ifrs-full_DeferredTaxExpenseIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxExpenseIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax expense (income)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_DeferredTaxExpenseIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccountingProfit" xlink:label="ifrs-full_AccountingProfit" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AccountingProfit" xlink:to="ifrs-full_AccountingProfit_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AccountingProfit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accounting profit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AccountingProfit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accounting profit before income tax</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AverageEffectiveTaxRate" xlink:label="ifrs-full_AverageEffectiveTaxRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AverageEffectiveTaxRate" xlink:to="ifrs-full_AverageEffectiveTaxRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AverageEffectiveTaxRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Average effective tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AverageEffectiveTaxRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statutory tax rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:label="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:to="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax expense (income) at applicable tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax expense at weighted statutory national tax rate of 32% (2023: 31% and 2022: 26%)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TaxEffectFromOtherNonTaxableIncomeExpenses" xlink:label="gsm_TaxEffectFromOtherNonTaxableIncomeExpenses" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TaxEffectFromOtherNonTaxableIncomeExpenses" xlink:to="gsm_TaxEffectFromOtherNonTaxableIncomeExpenses_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TaxEffectFromOtherNonTaxableIncomeExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the other non taxable income (expenses).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TaxEffectFromOtherNonTaxableIncomeExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Effect from Other Non-taxable Income (Expenses)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TaxEffectFromOtherNonTaxableIncomeExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">(Non-taxable income)/ non-deductible expense</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxEffectFromChangeInTaxRate" xlink:label="ifrs-full_TaxEffectFromChangeInTaxRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxEffectFromChangeInTaxRate" xlink:to="ifrs-full_TaxEffectFromChangeInTaxRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxEffectFromChangeInTaxRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax effect from change in tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_TaxEffectFromChangeInTaxRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Change in tax rates</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxEffectOfForeignTaxRates" xlink:label="ifrs-full_TaxEffectOfForeignTaxRates" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxEffectOfForeignTaxRates" xlink:to="ifrs-full_TaxEffectOfForeignTaxRates_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxEffectOfForeignTaxRates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax effect of foreign tax rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxEffectOfForeignTaxRates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. state taxes</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TaxEffectFromAdjustmentsInRespectOfPriorPeriods" xlink:label="gsm_TaxEffectFromAdjustmentsInRespectOfPriorPeriods" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TaxEffectFromAdjustmentsInRespectOfPriorPeriods" xlink:to="gsm_TaxEffectFromAdjustmentsInRespectOfPriorPeriods_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TaxEffectFromAdjustmentsInRespectOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the adjustments in respect of prior periods.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TaxEffectFromAdjustmentsInRespectOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Effect from Adjustments in Respect of Prior Periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TaxEffectFromAdjustmentsInRespectOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments in respect of prior periods</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TaxEffectOfWriteDownOfDeferredTaxAssets" xlink:label="gsm_TaxEffectOfWriteDownOfDeferredTaxAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TaxEffectOfWriteDownOfDeferredTaxAssets" xlink:to="gsm_TaxEffectOfWriteDownOfDeferredTaxAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TaxEffectOfWriteDownOfDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tax effect of write down of deferred tax assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TaxEffectOfWriteDownOfDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax effect of write down of deferred tax assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TaxEffectOfWriteDownOfDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Write down of deferred tax assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TaxEffectOfUnrecognizedTemporaryDifferences" xlink:label="gsm_TaxEffectOfUnrecognizedTemporaryDifferences" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TaxEffectOfUnrecognizedTemporaryDifferences" xlink:to="gsm_TaxEffectOfUnrecognizedTemporaryDifferences_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TaxEffectOfUnrecognizedTemporaryDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to unrecognized temporary differences.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TaxEffectOfUnrecognizedTemporaryDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Effect of Unrecognized Temporary Differences</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TaxEffectOfUnrecognizedTemporaryDifferences_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unrecognized temporary differences</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TaxEffectOfEliminationOfInterestsInPartnership" xlink:label="gsm_TaxEffectOfEliminationOfInterestsInPartnership" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TaxEffectOfEliminationOfInterestsInPartnership" xlink:to="gsm_TaxEffectOfEliminationOfInterestsInPartnership_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TaxEffectOfEliminationOfInterestsInPartnership_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to elimination of effect of interests in partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TaxEffectOfEliminationOfInterestsInPartnership_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Effect of Elimination of Interests in Partnership</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TaxEffectOfEliminationOfInterestsInPartnership_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Elimination of effect of interest in partnerships</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxEffectOfTaxLosses" xlink:label="ifrs-full_TaxEffectOfTaxLosses" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxEffectOfTaxLosses" xlink:to="ifrs-full_TaxEffectOfTaxLosses_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxEffectOfTaxLosses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax effect of tax losses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_TaxEffectOfTaxLosses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unrecognized loss carryforwards</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TaxEffectsOfOtherTaxes." xlink:label="gsm_TaxEffectsOfOtherTaxes." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TaxEffectsOfOtherTaxes." xlink:to="gsm_TaxEffectsOfOtherTaxes._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TaxEffectsOfOtherTaxes._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tax effect of other taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TaxEffectsOfOtherTaxes._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax effects of other taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TaxEffectsOfOtherTaxes._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other taxes</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:label="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:to="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other tax effects for reconciliation between accounting profit and tax expense (income)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other items</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:to="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Temporary difference, unused tax losses and unused tax credits [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Temporary difference, unused tax losses and unused tax credits [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DeprecatedIntangibleAssetsAndGoodwillMember" xlink:label="gsm_DeprecatedIntangibleAssetsAndGoodwillMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DeprecatedIntangibleAssetsAndGoodwillMember" xlink:to="gsm_DeprecatedIntangibleAssetsAndGoodwillMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DeprecatedIntangibleAssetsAndGoodwillMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DeprecatedOtherProvisionsMember" xlink:label="gsm_DeprecatedOtherProvisionsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DeprecatedOtherProvisionsMember" xlink:to="gsm_DeprecatedOtherProvisionsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DeprecatedOtherProvisionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Provision</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DeprecatedOtherProvisionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InventoryMember" xlink:label="gsm_InventoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InventoryMember" xlink:to="gsm_InventoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InventoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for inventories related to deferred tax assets and liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InventoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventory {Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_InventoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DeprecatedHedgingInstrumentsMember" xlink:label="gsm_DeprecatedHedgingInstrumentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DeprecatedHedgingInstrumentsMember" xlink:to="gsm_DeprecatedHedgingInstrumentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DeprecatedHedgingInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hedging instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TemporaryDifferenceTaxLossesMember" xlink:label="gsm_TemporaryDifferenceTaxLossesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TemporaryDifferenceTaxLossesMember" xlink:to="gsm_TemporaryDifferenceTaxLossesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TemporaryDifferenceTaxLossesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to temporary differences in tax losses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TemporaryDifferenceTaxLossesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax losses</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TemporaryDifferenceTaxIncentivesAndCreditsMember" xlink:label="gsm_TemporaryDifferenceTaxIncentivesAndCreditsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TemporaryDifferenceTaxIncentivesAndCreditsMember" xlink:to="gsm_TemporaryDifferenceTaxIncentivesAndCreditsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TemporaryDifferenceTaxIncentivesAndCreditsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to tax incentives and credits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TemporaryDifferenceTaxIncentivesAndCreditsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Incentives and credits</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherTemporaryDifferencesMember" xlink:label="ifrs-full_OtherTemporaryDifferencesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherTemporaryDifferencesMember" xlink:to="ifrs-full_OtherTemporaryDifferencesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherTemporaryDifferencesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax matters</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:to="ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reconciliation of changes in deferred tax liability (asset) [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax assets and liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxLiabilityAsset" xlink:label="ifrs-full_DeferredTaxLiabilityAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxLiabilityAsset" xlink:to="ifrs-full_DeferredTaxLiabilityAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="ifrs-full_DeferredTaxLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Closing Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="ifrs-full_DeferredTaxLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Opening Balance</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:to="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax expense (income) recognised in profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recognized in P&amp;L</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:to="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income tax relating to components of other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recognized in OCI</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseThroughReclassificationsDeferredTaxLiabilityAsset" xlink:label="gsm_IncreaseDecreaseThroughReclassificationsDeferredTaxLiabilityAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseThroughReclassificationsDeferredTaxLiabilityAsset" xlink:to="gsm_IncreaseDecreaseThroughReclassificationsDeferredTaxLiabilityAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseThroughReclassificationsDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in deferred tax liability (asset) resulting from reclassifications.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseThroughReclassificationsDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) Through Reclassifications Deferred Tax Liability (Asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_IncreaseDecreaseThroughReclassificationsDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reclassifications</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through net exchange differences, deferred tax liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange Differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnusedTaxLossesMember" xlink:label="ifrs-full_UnusedTaxLossesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UnusedTaxLossesMember" xlink:to="ifrs-full_UnusedTaxLossesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UnusedTaxLossesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unused tax losses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceMember" xlink:label="ifrs-full_TemporaryDifferenceMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ifrs-full_TemporaryDifferenceMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TemporaryDifferenceMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unrecognized deductible temporary differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxAssets" xlink:to="ifrs-full_DeferredTaxAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxLiabilities" xlink:label="ifrs-full_DeferredTaxLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxLiabilities" xlink:to="ifrs-full_DeferredTaxLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax liabilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OffsetOfDeferredTaxAssets" xlink:label="gsm_OffsetOfDeferredTaxAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OffsetOfDeferredTaxAssets" xlink:to="gsm_OffsetOfDeferredTaxAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OffsetOfDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of offset of deferred tax assets.

Amount of offset of deferred tax assets and deferred tax liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OffsetOfDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Offset of Deferred Tax Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OffsetOfDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Offset between deferred tax assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OffsetOfDeferredTaxLiabilities" xlink:label="gsm_OffsetOfDeferredTaxLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OffsetOfDeferredTaxLiabilities" xlink:to="gsm_OffsetOfDeferredTaxLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OffsetOfDeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of offset of deferred tax liabilities.

Amount of offset of deferred tax assets and deferred tax liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OffsetOfDeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Offset of Deferred Tax Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OffsetOfDeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Offset between deferred tax liabilities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCredits" xlink:label="gsm_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCredits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCredits" xlink:to="gsm_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCredits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCredits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of unrecognized deductible temporary difference, unused tax losses and unused tax credits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCredits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Temporary Difference, Unused Tax Losses and Unused Tax Credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCredits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xlink:label="ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xlink:to="ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements for which deferred tax liabilities have not been recognised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Temporary differences taxes</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfYearsOpenToReview" xlink:label="gsm_NumberOfYearsOpenToReview" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfYearsOpenToReview" xlink:to="gsm_NumberOfYearsOpenToReview_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfYearsOpenToReview_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the number of years open to review.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfYearsOpenToReview_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Years Open To Review</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NumberOfYearsOpenToReview_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of years open to review</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MoweEolicaMember" xlink:label="gsm_MoweEolicaMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MoweEolicaMember" xlink:to="gsm_MoweEolicaMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MoweEolicaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Mowe Eolica.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MoweEolicaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Mowe Eolica [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_VillarMirEnergiaS.l.u.Member" xlink:label="gsm_VillarMirEnergiaS.l.u.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_VillarMirEnergiaS.l.u.Member" xlink:to="gsm_VillarMirEnergiaS.l.u.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_VillarMirEnergiaS.l.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Villar Mir Energia, S.L.U.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_VillarMirEnergiaS.l.u.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Villar Mir Energia, S.L.U.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EnergyaVmGestionS.lMember" xlink:label="gsm_EnergyaVmGestionS.lMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EnergyaVmGestionS.lMember" xlink:to="gsm_EnergyaVmGestionS.lMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EnergyaVmGestionS.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Energya VM Gestion, S.L.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EnergyaVmGestionS.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energya VM Gestion, S.L</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EnergyaVmGestionDeLaEnergiaS.l.Member" xlink:label="gsm_EnergyaVmGestionDeLaEnergiaS.l.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EnergyaVmGestionDeLaEnergiaS.l.Member" xlink:to="gsm_EnergyaVmGestionDeLaEnergiaS.l.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EnergyaVmGestionDeLaEnergiaS.l.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Enrgya VM Gestin de la Energa, S.L..</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EnergyaVmGestionDeLaEnergiaS.l.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energya VM Gestion de la Energia, S.L.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherRelatedPartiesMember" xlink:label="ifrs-full_OtherRelatedPartiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherRelatedPartiesMember" xlink:to="ifrs-full_OtherRelatedPartiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherRelatedPartiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other related parties</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsCollaborativeArrangementsAndArrangementOtherThanCollaborativeAxis" xlink:label="gsm_IfrsCollaborativeArrangementsAndArrangementOtherThanCollaborativeAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsCollaborativeArrangementsAndArrangementOtherThanCollaborativeAxis" xlink:to="gsm_IfrsCollaborativeArrangementsAndArrangementOtherThanCollaborativeAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsCollaborativeArrangementsAndArrangementOtherThanCollaborativeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsCollaborativeArrangementsAndArrangementOtherThanCollaborativeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Collaborative Arrangements and Arrangement Other than Collaborative [Axis]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CollaborativeArrangementsAndArrangementOtherThanCollaborativeDomain" xlink:label="gsm_CollaborativeArrangementsAndArrangementOtherThanCollaborativeDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CollaborativeArrangementsAndArrangementOtherThanCollaborativeDomain" xlink:to="gsm_CollaborativeArrangementsAndArrangementOtherThanCollaborativeDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CollaborativeArrangementsAndArrangementOtherThanCollaborativeDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CollaborativeArrangementsAndArrangementOtherThanCollaborativeDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaborative Arrangements and Arrangement Other than Collaborative [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xlink:label="ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xlink:to="ifrs-full_PurchasesOfGoodsRelatedPartyTransactions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PurchasesOfGoodsRelatedPartyTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchases of goods, related party transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_PurchasesOfGoodsRelatedPartyTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw materials and energy consumption for production</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RawMaterialsAndEnergyProductionAdjustment." xlink:label="gsm_RawMaterialsAndEnergyProductionAdjustment." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RawMaterialsAndEnergyProductionAdjustment." xlink:to="gsm_RawMaterialsAndEnergyProductionAdjustment._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RawMaterialsAndEnergyProductionAdjustment._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of raw materials and energy production adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RawMaterialsAndEnergyProductionAdjustment._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw Materials And energy Production adjustment.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherOperatingExpensesRelatedPartyTransaction" xlink:label="gsm_OtherOperatingExpensesRelatedPartyTransaction" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherOperatingExpensesRelatedPartyTransaction" xlink:to="gsm_OtherOperatingExpensesRelatedPartyTransaction_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherOperatingExpensesRelatedPartyTransaction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount included in other operating expenses related to transactions with related parties incurred and recorded in the statement of operations for the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherOperatingExpensesRelatedPartyTransaction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating expenses, related party transaction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherOperatingExpensesRelatedPartyTransaction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Operating Expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:label="ifrs-full_AmountsPayableRelatedPartyTransactions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:to="ifrs-full_AmountsPayableRelatedPartyTransactions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AmountsPayableRelatedPartyTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amounts payable, related party transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AmountsPayableRelatedPartyTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Obligation for purchase of energy plus service charge</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MaximumEnergySupply" xlink:label="gsm_MaximumEnergySupply" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MaximumEnergySupply" xlink:to="gsm_MaximumEnergySupply_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MaximumEnergySupply_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The maximum units of energy that will be supplied under the agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MaximumEnergySupply_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum Energy Supply</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_MaximumEnergySupply_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum energy supply</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PeriodForCommencementOfOperationOfPlants" xlink:label="gsm_PeriodForCommencementOfOperationOfPlants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PeriodForCommencementOfOperationOfPlants" xlink:to="gsm_PeriodForCommencementOfOperationOfPlants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PeriodForCommencementOfOperationOfPlants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period for commencement of operation of the Plants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PeriodForCommencementOfOperationOfPlants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period For Commencement of Operation of the Plants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PeriodForCommencementOfOperationOfPlants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period for commencement of operation of the plants</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RelatedPartyTransactionContractTerm" xlink:label="gsm_RelatedPartyTransactionContractTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RelatedPartyTransactionContractTerm" xlink:to="gsm_RelatedPartyTransactionContractTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RelatedPartyTransactionContractTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The contract term of transaction with related party.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RelatedPartyTransactionContractTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related Party Transaction, Contract Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RelatedPartyTransactionContractTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term of contract</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RelatedPartyTransactionContractRenewalAdditionalExtensionTerm" xlink:label="gsm_RelatedPartyTransactionContractRenewalAdditionalExtensionTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RelatedPartyTransactionContractRenewalAdditionalExtensionTerm" xlink:to="gsm_RelatedPartyTransactionContractRenewalAdditionalExtensionTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RelatedPartyTransactionContractRenewalAdditionalExtensionTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The contract renewal additional extension term related to transaction with related party.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RelatedPartyTransactionContractRenewalAdditionalExtensionTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related Party Transaction, Contract Renewal, Additional Extension Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RelatedPartyTransactionContractRenewalAdditionalExtensionTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additional renewal extension term</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RelatedPartyTransactionContractTerminationNoticePeriod" xlink:label="gsm_RelatedPartyTransactionContractTerminationNoticePeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RelatedPartyTransactionContractTerminationNoticePeriod" xlink:to="gsm_RelatedPartyTransactionContractTerminationNoticePeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RelatedPartyTransactionContractTerminationNoticePeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The period of notice to be given for termination of contract with related party.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RelatedPartyTransactionContractTerminationNoticePeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related Party Transaction, Contract Termination, Notice Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RelatedPartyTransactionContractTerminationNoticePeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contract termination notice period</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FixedEnergyPrice" xlink:label="gsm_FixedEnergyPrice" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FixedEnergyPrice" xlink:to="gsm_FixedEnergyPrice_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FixedEnergyPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The value of fixed energy price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FixedEnergyPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixed Energy Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FixedEnergyPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixed energy price</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfContingentLiabilitiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfContingentLiabilitiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfContingentLiabilitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of contingent liabilities [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfContingentLiabilitiesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="ifrs-full_ClassesOfContingentLiabilitiesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfContingentLiabilitiesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of contingent liabilities [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LegalProceedingsContingentLiabilityMember" xlink:label="ifrs-full_LegalProceedingsContingentLiabilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LegalProceedingsContingentLiabilityMember" xlink:to="ifrs-full_LegalProceedingsContingentLiabilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LegalProceedingsContingentLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_StampTaxLitigationMember" xlink:label="gsm_StampTaxLitigationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_StampTaxLitigationMember" xlink:to="gsm_StampTaxLitigationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_StampTaxLitigationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents Stamp Tax litigation procedure.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_StampTaxLitigationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Stamp Tax Litigation</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LegalProceedingsAsbestosClaimsContingentLiabilityMember" xlink:label="gsm_LegalProceedingsAsbestosClaimsContingentLiabilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LegalProceedingsAsbestosClaimsContingentLiabilityMember" xlink:to="gsm_LegalProceedingsAsbestosClaimsContingentLiabilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LegalProceedingsAsbestosClaimsContingentLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a contingent liability for Asbestos claims legal proceedings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LegalProceedingsAsbestosClaimsContingentLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Asbestos-related claims</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEnvironmentRelatedContingentLiabilityMember" xlink:label="ifrs-full_OtherEnvironmentRelatedContingentLiabilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherEnvironmentRelatedContingentLiabilityMember" xlink:to="ifrs-full_OtherEnvironmentRelatedContingentLiabilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherEnvironmentRelatedContingentLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other environment related contingent liability</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CommitmentsToThirdParties" xlink:label="gsm_CommitmentsToThirdParties" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CommitmentsToThirdParties" xlink:to="gsm_CommitmentsToThirdParties_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CommitmentsToThirdParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of commitments to third parties.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CommitmentsToThirdParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commitments To Third Parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CommitmentsToThirdParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commitments to third parties</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LossContingencyTaxPenaltyAmountVoided" xlink:label="gsm_LossContingencyTaxPenaltyAmountVoided" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LossContingencyTaxPenaltyAmountVoided" xlink:to="gsm_LossContingencyTaxPenaltyAmountVoided_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LossContingencyTaxPenaltyAmountVoided_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of loss contingency tax penalty voided.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LossContingencyTaxPenaltyAmountVoided_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loss Contingency, Tax Penalty Amount Voided</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LossContingencyTaxPenaltyAmountVoided_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax penalty amount voided</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_StampTaxReassessment" xlink:label="gsm_StampTaxReassessment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_StampTaxReassessment" xlink:to="gsm_StampTaxReassessment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_StampTaxReassessment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of stamp tax reassessment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_StampTaxReassessment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Stamp Tax Reassessment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_StampTaxReassessment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax reassessment</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_StatutoryMaximumPenaltyForViolationOfStandardProvisions" xlink:label="gsm_StatutoryMaximumPenaltyForViolationOfStandardProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_StatutoryMaximumPenaltyForViolationOfStandardProvisions" xlink:to="gsm_StatutoryMaximumPenaltyForViolationOfStandardProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_StatutoryMaximumPenaltyForViolationOfStandardProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of statutory maximum penalty for violation of standard provisions per day.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_StatutoryMaximumPenaltyForViolationOfStandardProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statutory maximum penalty for violation of standard provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_StatutoryMaximumPenaltyForViolationOfStandardProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statutory maximum penalty per day per violation of standard provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_DE" xlink:label="country_DE" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_DE" xlink:to="country_DE_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_DE_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Germany</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_LU" xlink:label="country_LU" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_LU" xlink:to="country_LU_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_LU_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LUXEMBOURG</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfOperatingExpensesTable" xlink:label="gsm_DisclosureOfOperatingExpensesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfOperatingExpensesTable" xlink:to="gsm_DisclosureOfOperatingExpensesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfOperatingExpensesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule disclosing information related to operating segments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfOperatingExpensesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Operating Expenses [table]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DisclosureOfOperatingExpenses." xlink:label="gsm_DisclosureOfOperatingExpenses." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DisclosureOfOperatingExpenses." xlink:to="gsm_DisclosureOfOperatingExpenses._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DisclosureOfOperatingExpenses._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of disclosure of operating expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DisclosureOfOperatingExpenses._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of operating expenses.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RawMaterialsSuppliesAndGoodAcquired" xlink:label="gsm_RawMaterialsSuppliesAndGoodAcquired" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RawMaterialsSuppliesAndGoodAcquired" xlink:to="gsm_RawMaterialsSuppliesAndGoodAcquired_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RawMaterialsSuppliesAndGoodAcquired_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of purchases of raw materials, supplies and goods during the reporting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RawMaterialsSuppliesAndGoodAcquired_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw Materials, Supplies And Good Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RawMaterialsSuppliesAndGoodAcquired_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchases of raw materials, supplies and goods</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:label="ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:to="ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost of inventories recognised as expense during period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Changes in inventories</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EnergyConsumption" xlink:label="gsm_EnergyConsumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EnergyConsumption" xlink:to="gsm_EnergyConsumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EnergyConsumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of energy consumption (credit) during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EnergyConsumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energy Consumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_EnergyConsumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energy</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherPurchases" xlink:label="gsm_OtherPurchases" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherPurchases" xlink:to="gsm_OtherPurchases_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherPurchases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of other purchases during the period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherPurchases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Purchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherPurchases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Others</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InventoryWriteDownRawMaterials" xlink:label="gsm_InventoryWriteDownRawMaterials" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InventoryWriteDownRawMaterials" xlink:to="gsm_InventoryWriteDownRawMaterials_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InventoryWriteDownRawMaterials_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of expense recognised related to the write-down of raw materials.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InventoryWriteDownRawMaterials_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventory Write-Down Raw Materials</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_InventoryWriteDownRawMaterials_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Write-down of raw materials</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InventoryWriteDownFinishedGoods" xlink:label="gsm_InventoryWriteDownFinishedGoods" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InventoryWriteDownFinishedGoods" xlink:to="gsm_InventoryWriteDownFinishedGoods_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InventoryWriteDownFinishedGoods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of expense recognised related to the write-down of finished goods.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InventoryWriteDownFinishedGoods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventory Write-Down Finished Goods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_InventoryWriteDownFinishedGoods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Write-down of finished goods</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_EnergyCostsOffsetFromBenefitReceived" xlink:label="gsm_EnergyCostsOffsetFromBenefitReceived" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_EnergyCostsOffsetFromBenefitReceived" xlink:to="gsm_EnergyCostsOffsetFromBenefitReceived_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_EnergyCostsOffsetFromBenefitReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of benefits from nuclear energy program that are used to offset energy costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_EnergyCostsOffsetFromBenefitReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energy Costs Offset From Benefit Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_EnergyCostsOffsetFromBenefitReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energy costs offset</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ChangesInFairValueOfEnergyDerivatives." xlink:label="gsm_ChangesInFairValueOfEnergyDerivatives." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ChangesInFairValueOfEnergyDerivatives." xlink:to="gsm_ChangesInFairValueOfEnergyDerivatives._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ChangesInFairValueOfEnergyDerivatives._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Changes In The Fair Value of Energy Derivatives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ChangesInFairValueOfEnergyDerivatives._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Changes In The Fair Value of Energy Derivatives.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherOperatingIncomeFromCarbonDiOxide" xlink:label="gsm_OtherOperatingIncomeFromCarbonDiOxide" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherOperatingIncomeFromCarbonDiOxide" xlink:to="gsm_OtherOperatingIncomeFromCarbonDiOxide_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherOperatingIncomeFromCarbonDiOxide_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of other operating income from carbon dioxide</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherOperatingIncomeFromCarbonDiOxide_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Operating Income From Carbon Di Oxide</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherOperatingIncomeFromCarbonDiOxide_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carbon dioxide emissions allowances</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherOperatingIncomeExpense" xlink:label="ifrs-full_OtherOperatingIncomeExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherOperatingIncomeExpense" xlink:to="ifrs-full_OtherOperatingIncomeExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherOperatingIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating income (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherOperatingIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Others</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncomeResultingFromContingentConsiderationResultingFromAgreementEnteredWithKehlenIndustriesManagement" xlink:label="gsm_IncomeResultingFromContingentConsiderationResultingFromAgreementEnteredWithKehlenIndustriesManagement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncomeResultingFromContingentConsiderationResultingFromAgreementEnteredWithKehlenIndustriesManagement" xlink:to="gsm_IncomeResultingFromContingentConsiderationResultingFromAgreementEnteredWithKehlenIndustriesManagement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncomeResultingFromContingentConsiderationResultingFromAgreementEnteredWithKehlenIndustriesManagement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of income resulting from contingent consideration from agreement entered with Kehlen Industries management included in other operating income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncomeResultingFromContingentConsiderationResultingFromAgreementEnteredWithKehlenIndustriesManagement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income Resulting From Contingent Consideration Resulting From Agreement Entered With Kehlen Industries Management</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncomeResultingFromContingentConsiderationResultingFromAgreementEnteredWithKehlenIndustriesManagement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income resulting from contingent consideration resulting from agreement entered with kehlen industries management</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:label="ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of employee benefits expense [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Staff costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WagesAndSalaries" xlink:label="ifrs-full_WagesAndSalaries" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WagesAndSalaries" xlink:to="ifrs-full_WagesAndSalaries_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WagesAndSalaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Wages and salaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WagesAndSalaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Wages, salaries and similar expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:to="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Post-employment benefit expense, defined contribution plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pension plan contributions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEmployeeExpense" xlink:label="ifrs-full_OtherEmployeeExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherEmployeeExpense" xlink:to="ifrs-full_OtherEmployeeExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherEmployeeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other employee expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherEmployeeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Employee benefit costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of share-based payment arrangements [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of share-based payment arrangements [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobePlcEquityIncentivePlanMember" xlink:label="gsm_FerroglobePlcEquityIncentivePlanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobePlcEquityIncentivePlanMember" xlink:to="gsm_FerroglobePlcEquityIncentivePlanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobePlcEquityIncentivePlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Ferroglobe PLC Equity Incentive Plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobePlcEquityIncentivePlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe PLC Equity Incentive Plan</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TermOfServiceCondition" xlink:label="gsm_TermOfServiceCondition" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TermOfServiceCondition" xlink:to="gsm_TermOfServiceCondition_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TermOfServiceCondition_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The term of service from date of grant as a condition of option vesting.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TermOfServiceCondition_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term Of Service Condition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_TermOfServiceCondition_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term of service condition</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOutstandingShareOptions" xlink:label="ifrs-full_NumberOfOutstandingShareOptions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOutstandingShareOptions" xlink:to="ifrs-full_NumberOfOutstandingShareOptions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of share options outstanding in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Outstanding at end of the period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Outstanding at beginning of the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of share options granted in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Granted during the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of share options exercised in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercised during the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of share options forfeited in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expired/forfeited during the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of share options exercisable in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercisable as of December 31, 2023</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobePlcEquityIncentivePlanWithPerformanceConditionsMember" xlink:label="gsm_FerroglobePlcEquityIncentivePlanWithPerformanceConditionsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobePlcEquityIncentivePlanWithPerformanceConditionsMember" xlink:to="gsm_FerroglobePlcEquityIncentivePlanWithPerformanceConditionsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobePlcEquityIncentivePlanWithPerformanceConditionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Ferroglobe PLC Equity Incentive Plan with performance conditions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobePlcEquityIncentivePlanWithPerformanceConditionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe PLC Equity Incentive Plan With Performance Conditions [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FerroglobePlcEquityIncentivePlanWithPerformanceConditionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe PLC equity incentive plan with performance conditions</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeEquityIncentivePlanGrantedIn2025And2024Member" xlink:label="gsm_FerroglobeEquityIncentivePlanGrantedIn2025And2024Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeEquityIncentivePlanGrantedIn2025And2024Member" xlink:to="gsm_FerroglobeEquityIncentivePlanGrantedIn2025And2024Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeEquityIncentivePlanGrantedIn2025And2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Ferroglobe PLC Equity Incentive plan granted in 2024 and 2025</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeEquityIncentivePlanGrantedIn2025And2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Equity Incentive Plan Granted In 2025 And 2024 [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FerroglobeEquityIncentivePlanGrantedIn2023Member" xlink:label="gsm_FerroglobeEquityIncentivePlanGrantedIn2023Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FerroglobeEquityIncentivePlanGrantedIn2023Member" xlink:to="gsm_FerroglobeEquityIncentivePlanGrantedIn2023Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FerroglobeEquityIncentivePlanGrantedIn2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Ferroglobe PLC Equity Incentive plan granted in 2023.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FerroglobeEquityIncentivePlanGrantedIn2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe Equity Incentive Plan Granted In 2023 [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ShareBasedPaymentArrangementGrantDateAxis" xlink:label="gsm_ShareBasedPaymentArrangementGrantDateAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ShareBasedPaymentArrangementGrantDateAxis" xlink:to="gsm_ShareBasedPaymentArrangementGrantDateAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ShareBasedPaymentArrangementGrantDateAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ShareBasedPaymentArrangementGrantDateAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Based Payment Arrangement, Grant Date [Axis]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ShareBasedPaymentArrangementGrantDateDomain" xlink:label="gsm_ShareBasedPaymentArrangementGrantDateDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ShareBasedPaymentArrangementGrantDateDomain" xlink:to="gsm_ShareBasedPaymentArrangementGrantDateDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ShareBasedPaymentArrangementGrantDateDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Based Payment Arrangements Grant Date [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ShareBasedPaymentArrangementGrantDateDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Based Payment Arrangement Grant Date [Domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantDate12Member" xlink:label="gsm_GrantDate12Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantDate12Member" xlink:to="gsm_GrantDate12Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantDate12Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to grant date 12.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantDate12Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant Date 12 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GrantDate12Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grand date of June 19, 2024</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantDate11Member" xlink:label="gsm_GrantDate11Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantDate11Member" xlink:to="gsm_GrantDate11Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantDate11Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to grant date 11.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantDate11Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant Date 11 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GrantDate11Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grand date of May 30, 2023</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantDate10Member" xlink:label="gsm_GrantDate10Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantDate10Member" xlink:to="gsm_GrantDate10Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantDate10Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to grant date 10.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantDate10Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant Date 10 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GrantDate10Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grand date of September 22, 2022</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantDate9Member" xlink:label="gsm_GrantDate9Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantDate9Member" xlink:to="gsm_GrantDate9Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantDate9Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to grant date 9 member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantDate9Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant date of September 9, 2021</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantDate8Member" xlink:label="gsm_GrantDate8Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantDate8Member" xlink:to="gsm_GrantDate8Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantDate8Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Grant Date 8 Member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantDate8Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant date of December 16, 2020</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantDate7Member" xlink:label="gsm_GrantDate7Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantDate7Member" xlink:to="gsm_GrantDate7Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantDate7Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to grant date 7member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantDate7Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant date of March 13, 2019</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantDate5Member" xlink:label="gsm_GrantDate5Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantDate5Member" xlink:to="gsm_GrantDate5Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantDate5Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant Date 5 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantDate5Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant date of March 21, 2018</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantDate2Member" xlink:label="gsm_GrantDate2Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantDate2Member" xlink:to="gsm_GrantDate2Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantDate2Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant Date 2 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantDate2Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant date of June 1, 2017 one</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantDate1Member" xlink:label="gsm_GrantDate1Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantDate1Member" xlink:to="gsm_GrantDate1Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantDate1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant Date 1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantDate1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant date of November 24, 2016</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GrantDateOfSeptember102025Member" xlink:label="gsm_GrantDateOfSeptember102025Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GrantDateOfSeptember102025Member" xlink:to="gsm_GrantDateOfSeptember102025Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GrantDateOfSeptember102025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant Date 1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GrantDateOfSeptember102025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant date of September 10, 2025 [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ShareBasedPaymentsOptionsReceivableBasedOnCompanyPerformanceAsPercentage" xlink:label="gsm_ShareBasedPaymentsOptionsReceivableBasedOnCompanyPerformanceAsPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ShareBasedPaymentsOptionsReceivableBasedOnCompanyPerformanceAsPercentage" xlink:to="gsm_ShareBasedPaymentsOptionsReceivableBasedOnCompanyPerformanceAsPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ShareBasedPaymentsOptionsReceivableBasedOnCompanyPerformanceAsPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The options that may be received by a participant depending upon the financial performance of the company, as a percent of total options available under plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ShareBasedPaymentsOptionsReceivableBasedOnCompanyPerformanceAsPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Based Payments Options Receivable Based On Company Performance As Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ShareBasedPaymentsOptionsReceivableBasedOnCompanyPerformanceAsPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Options receivable by participant depending on financial performance of the Company, as a percent</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ShareBasedPaymentsMultiplierOnSpecificTargets" xlink:label="gsm_ShareBasedPaymentsMultiplierOnSpecificTargets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ShareBasedPaymentsMultiplierOnSpecificTargets" xlink:to="gsm_ShareBasedPaymentsMultiplierOnSpecificTargets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ShareBasedPaymentsMultiplierOnSpecificTargets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of multiplier based on which the ESG-specific targets are accomplished.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ShareBasedPaymentsMultiplierOnSpecificTargets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Based Payments, Multiplier on Specific Targets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ShareBasedPaymentsMultiplierOnSpecificTargets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Multiplier on specific targets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfCumulativeEarningsBeforeInterestAndTax" xlink:label="gsm_PercentageOfCumulativeEarningsBeforeInterestAndTax" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfCumulativeEarningsBeforeInterestAndTax" xlink:to="gsm_PercentageOfCumulativeEarningsBeforeInterestAndTax_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfCumulativeEarningsBeforeInterestAndTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of cumulative earnings before interest and tax.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfCumulativeEarningsBeforeInterestAndTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Cumulative Earnings Before Interest and Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfCumulativeEarningsBeforeInterestAndTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of cumulative earnings before interest and tax (EBIT)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfAverageReturnOnCapitalEmployed" xlink:label="gsm_PercentageOfAverageReturnOnCapitalEmployed" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfAverageReturnOnCapitalEmployed" xlink:to="gsm_PercentageOfAverageReturnOnCapitalEmployed_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfAverageReturnOnCapitalEmployed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of average return on capital employed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfAverageReturnOnCapitalEmployed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Average Return on Capital Employed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfAverageReturnOnCapitalEmployed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of average return on capital employed</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfNetCashFlow" xlink:label="gsm_PercentageOfNetCashFlow" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfNetCashFlow" xlink:to="gsm_PercentageOfNetCashFlow_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfNetCashFlow_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of net cash flow to meet for options vesting.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfNetCashFlow_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Net Cash Flow</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfNetCashFlow_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of net cash flow</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfTotalShareholderReturnRelativeToComparatorGroupVestingCondition" xlink:label="gsm_PercentageOfTotalShareholderReturnRelativeToComparatorGroupVestingCondition" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfTotalShareholderReturnRelativeToComparatorGroupVestingCondition" xlink:to="gsm_PercentageOfTotalShareholderReturnRelativeToComparatorGroupVestingCondition_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfTotalShareholderReturnRelativeToComparatorGroupVestingCondition_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of total shareholder return relative to a comparator group to meet for options vesting.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfTotalShareholderReturnRelativeToComparatorGroupVestingCondition_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of total shareholder return relative to comparator group, vesting condition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PercentageOfTotalShareholderReturnRelativeToComparatorGroupVestingCondition_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of total shareholder return (TSR) relative to a comparator group, vesting condition</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:to="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average fair value at measurement date, share options granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average fair value of share options granted</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FairValueOfShareOptionsAtGrantDate" xlink:label="gsm_FairValueOfShareOptionsAtGrantDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FairValueOfShareOptionsAtGrantDate" xlink:to="gsm_FairValueOfShareOptionsAtGrantDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FairValueOfShareOptionsAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The fair value of share options at grant date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FairValueOfShareOptionsAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Of Share Options At Grant Date</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:label="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:to="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average share price, share options granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant date share price</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:to="ifrs-full_ExercisePriceShareOptionsGranted2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise price, share options granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise price</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_WeightedAverageSharePriceAtDateOfExerciseOfStockOptions." xlink:label="gsm_WeightedAverageSharePriceAtDateOfExerciseOfStockOptions." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_WeightedAverageSharePriceAtDateOfExerciseOfStockOptions." xlink:to="gsm_WeightedAverageSharePriceAtDateOfExerciseOfStockOptions._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_WeightedAverageSharePriceAtDateOfExerciseOfStockOptions._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The Weighted Average Share Price At Date Of Exercise Of Stock Options.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_WeightedAverageSharePriceAtDateOfExerciseOfStockOptions._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average Share Price At Date Of Exercise Of Stock Options.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expected volatility, share options granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expected volatility</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:label="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Option life, share options granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Option life</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:label="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Risk free interest rate, share options granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Risk-free interest rate</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PerformancePeriodRemainingAtGrantDate" xlink:label="gsm_PerformancePeriodRemainingAtGrantDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PerformancePeriodRemainingAtGrantDate" xlink:to="gsm_PerformancePeriodRemainingAtGrantDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PerformancePeriodRemainingAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The performance condition period remaining at grant date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PerformancePeriodRemainingAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Performance period remaining at grant date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PerformancePeriodRemainingAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Performance period remaining at grant date</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CompanyTotalShareholderReturnAtGrantDate" xlink:label="gsm_CompanyTotalShareholderReturnAtGrantDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CompanyTotalShareholderReturnAtGrantDate" xlink:to="gsm_CompanyTotalShareholderReturnAtGrantDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CompanyTotalShareholderReturnAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The level of total shareholder returns within the Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CompanyTotalShareholderReturnAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Company total shareholder return at grant date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CompanyTotalShareholderReturnAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Company TSR at grant date</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MedianComparatorGroupTotalShareholderReturnAtGrantDate" xlink:label="gsm_MedianComparatorGroupTotalShareholderReturnAtGrantDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MedianComparatorGroupTotalShareholderReturnAtGrantDate" xlink:to="gsm_MedianComparatorGroupTotalShareholderReturnAtGrantDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MedianComparatorGroupTotalShareholderReturnAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The level of total shareholder returns within median comparator group.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MedianComparatorGroupTotalShareholderReturnAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Median Comparator Group Total Shareholder Return at Grant Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_MedianComparatorGroupTotalShareholderReturnAtGrantDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Median comparator group TSR at grant date</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expense from share-based payment transactions with employees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share based compensation expense</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherOperatingExpenseCarbonDioxideCredit" xlink:label="gsm_OtherOperatingExpenseCarbonDioxideCredit" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherOperatingExpenseCarbonDioxideCredit" xlink:to="gsm_OtherOperatingExpenseCarbonDioxideCredit_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherOperatingExpenseCarbonDioxideCredit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of other operating expense related to carbon dioxide credit.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherOperatingExpenseCarbonDioxideCredit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Operating Expense, Carbon Dioxide Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_OtherOperatingExpenseCarbonDioxideCredit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carbon dioxide credit</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfessionalFeesExpense" xlink:label="ifrs-full_ProfessionalFeesExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfessionalFeesExpense" xlink:to="ifrs-full_ProfessionalFeesExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfessionalFeesExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Professional fees expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfessionalFeesExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Services of independent professionals</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransportationExpense" xlink:label="ifrs-full_TransportationExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TransportationExpense" xlink:to="ifrs-full_TransportationExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TransportationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transportation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TransportationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Freight cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InsuranceExpense" xlink:label="ifrs-full_InsuranceExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InsuranceExpense" xlink:to="ifrs-full_InsuranceExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InsuranceExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Insurance expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InsuranceExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Insurance premiums</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:label="ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:to="ifrs-full_TaxExpenseOtherThanIncomeTaxExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxExpenseOtherThanIncomeTaxExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax expense other than income tax expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxExpenseOtherThanIncomeTaxExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MiscellaneousOtherOperatingExpense" xlink:label="ifrs-full_MiscellaneousOtherOperatingExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MiscellaneousOtherOperatingExpense" xlink:to="ifrs-full_MiscellaneousOtherOperatingExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MiscellaneousOtherOperatingExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous other operating expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MiscellaneousOtherOperatingExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract" xlink:label="ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract" xlink:to="ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and amortization charges, operating allowances and write-downs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmortisationExpense" xlink:label="ifrs-full_AmortisationExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AmortisationExpense" xlink:to="ifrs-full_AmortisationExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AmortisationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amortisation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AmortisationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amortization of intangible assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationExpense" xlink:label="ifrs-full_DepreciationExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationExpense" xlink:to="ifrs-full_DepreciationExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DepreciationExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation of property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AblFacilityMember" xlink:label="gsm_AblFacilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AblFacilityMember" xlink:to="gsm_AblFacilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AblFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for ABL facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AblFacilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ABL Facility [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FinanceIncomeAbstract" xlink:label="gsm_FinanceIncomeAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FinanceIncomeAbstract" xlink:to="gsm_FinanceIncomeAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FinanceIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FinanceIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance Income [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FinanceIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance income</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GainLossOnFinancialAssetsMeasuredAtFairValue" xlink:label="gsm_GainLossOnFinancialAssetsMeasuredAtFairValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GainLossOnFinancialAssetsMeasuredAtFairValue" xlink:to="gsm_GainLossOnFinancialAssetsMeasuredAtFairValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GainLossOnFinancialAssetsMeasuredAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of gain (loss) on financial assets measured at fair value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GainLossOnFinancialAssetsMeasuredAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain (Loss) on Financial Assets Measured at Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GainLossOnFinancialAssetsMeasuredAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain from financial assets measured at fair value (Note 9)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFinanceIncome" xlink:label="ifrs-full_OtherFinanceIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinanceIncome" xlink:to="ifrs-full_OtherFinanceIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other finance income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherFinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other finance income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:label="ifrs-full_InterestIncomeOnCashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:to="ifrs-full_InterestIncomeOnCashAndCashEquivalents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestIncomeOnCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest income on cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestIncomeOnCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest income earned on cash balances held in bank accounts</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FinanceCostsAbstract" xlink:label="gsm_FinanceCostsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FinanceCostsAbstract" xlink:to="gsm_FinanceCostsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FinanceCostsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FinanceCostsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance Costs [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FinanceCostsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnDebtInstrumentsIssued" xlink:label="ifrs-full_InterestExpenseOnDebtInstrumentsIssued" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseOnDebtInstrumentsIssued" xlink:to="ifrs-full_InterestExpenseOnDebtInstrumentsIssued_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpenseOnDebtInstrumentsIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expense on debt instruments issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestExpenseOnDebtInstrumentsIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest on debt instruments (Note 19)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnBorrowings" xlink:label="ifrs-full_InterestExpenseOnBorrowings" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseOnBorrowings" xlink:to="ifrs-full_InterestExpenseOnBorrowings_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpenseOnBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expense on borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestExpenseOnBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest on loans and bank borrowings (Note 17 and Note 20)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InterestOnLeasesIncludingExchangeDifferencesNote18" xlink:label="gsm_InterestOnLeasesIncludingExchangeDifferencesNote18" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InterestOnLeasesIncludingExchangeDifferencesNote18" xlink:to="gsm_InterestOnLeasesIncludingExchangeDifferencesNote18_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InterestOnLeasesIncludingExchangeDifferencesNote18_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of interest expense on lease liabilities including exchange differences.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InterestOnLeasesIncludingExchangeDifferencesNote18_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest On Leases Including Exchange Differences (Note 18)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GainLossFromFinancialAssetsMeasuredAtFairValue" xlink:label="gsm_GainLossFromFinancialAssetsMeasuredAtFairValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GainLossFromFinancialAssetsMeasuredAtFairValue" xlink:to="gsm_GainLossFromFinancialAssetsMeasuredAtFairValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GainLossFromFinancialAssetsMeasuredAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Gain loss From Financial Assets Measured At Fair Value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GainLossFromFinancialAssetsMeasuredAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain Loss From Financial Assets Measured At Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_GainLossFromFinancialAssetsMeasuredAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loss (gain) from financial assets measured at fair value (Note 9)</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InterestExpenseOnNoteAndBillDiscounting" xlink:label="gsm_InterestExpenseOnNoteAndBillDiscounting" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InterestExpenseOnNoteAndBillDiscounting" xlink:to="gsm_InterestExpenseOnNoteAndBillDiscounting_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InterestExpenseOnNoteAndBillDiscounting_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of interest expense on Note and negotiable instrument issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InterestExpenseOnNoteAndBillDiscounting_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expense on note and bill discounting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_InterestExpenseOnNoteAndBillDiscounting_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest on note and bill discounting</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFinanceCost" xlink:label="ifrs-full_OtherFinanceCost" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinanceCost" xlink:to="ifrs-full_OtherFinanceCost_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinanceCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other finance cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherFinanceCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other finance costs</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsDebtInstrumentRepurchaseAmount" xlink:label="gsm_IfrsDebtInstrumentRepurchaseAmount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsDebtInstrumentRepurchaseAmount" xlink:to="gsm_IfrsDebtInstrumentRepurchaseAmount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsDebtInstrumentRepurchaseAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value amount of debt instrument that was repurchased.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsDebtInstrumentRepurchaseAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Debt Instrument, Repurchase Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsDebtInstrumentRepurchaseAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt repurchase amount</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IfrsDebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:label="gsm_IfrsDebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IfrsDebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:to="gsm_IfrsDebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IfrsDebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of principal amount of debt that were redeemed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IfrsDebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ifrs Debt instrument, redemption price, percentage of principal amount redeemed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IfrsDebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Potential redemption of notes as a percentage of aggregate principal amount</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInInterestOnDebtInstruments." xlink:label="gsm_IncreaseDecreaseInInterestOnDebtInstruments." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInInterestOnDebtInstruments." xlink:to="gsm_IncreaseDecreaseInInterestOnDebtInstruments._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInInterestOnDebtInstruments._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of increase (decrease) in interest expense on debt instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInInterestOnDebtInstruments._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) In Interest On Debt Instruments.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ImpairmentNoncurrentFinancialAssets" xlink:label="gsm_ImpairmentNoncurrentFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ImpairmentNoncurrentFinancialAssets" xlink:to="gsm_ImpairmentNoncurrentFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ImpairmentNoncurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of impairment loss on non-current financial assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ImpairmentNoncurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment Noncurrent Financial Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_ImpairmentNoncurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment of non-current financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:label="ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:to="ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_KeyManagementPersonnelCompensationFixedRemuneration" xlink:label="gsm_KeyManagementPersonnelCompensationFixedRemuneration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_KeyManagementPersonnelCompensationFixedRemuneration" xlink:to="gsm_KeyManagementPersonnelCompensationFixedRemuneration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_KeyManagementPersonnelCompensationFixedRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of compensation to key management personnel in the form of fixed remuneration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_KeyManagementPersonnelCompensationFixedRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel compensation fixed remuneration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_KeyManagementPersonnelCompensationFixedRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixed remuneration</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_KeyManagementPersonnelCompensationVariableRemuneration" xlink:label="gsm_KeyManagementPersonnelCompensationVariableRemuneration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_KeyManagementPersonnelCompensationVariableRemuneration" xlink:to="gsm_KeyManagementPersonnelCompensationVariableRemuneration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_KeyManagementPersonnelCompensationVariableRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of compensation to key management personnel in the form of variable remuneration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_KeyManagementPersonnelCompensationVariableRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel compensation variable remuneration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_KeyManagementPersonnelCompensationVariableRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Variable remuneration</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_KeyManagementPersonnelCompensationContributionsToPensionPlansAndInsurancePolicies" xlink:label="gsm_KeyManagementPersonnelCompensationContributionsToPensionPlansAndInsurancePolicies" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_KeyManagementPersonnelCompensationContributionsToPensionPlansAndInsurancePolicies" xlink:to="gsm_KeyManagementPersonnelCompensationContributionsToPensionPlansAndInsurancePolicies_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_KeyManagementPersonnelCompensationContributionsToPensionPlansAndInsurancePolicies_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of compensation to key management personnel in the form of compensation contributions to pension plans and insurance policies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_KeyManagementPersonnelCompensationContributionsToPensionPlansAndInsurancePolicies_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel compensation contributions to pension plans and insurance policies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_KeyManagementPersonnelCompensationContributionsToPensionPlansAndInsurancePolicies_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contributions to pension plans and insurance policies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel compensation, share-based payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share-based compensation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" xlink:to="ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel compensation, termination benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Termination benefits</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_KeyManagementPersonnelCompensationOtherRemuneration" xlink:label="gsm_KeyManagementPersonnelCompensationOtherRemuneration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_KeyManagementPersonnelCompensationOtherRemuneration" xlink:to="gsm_KeyManagementPersonnelCompensationOtherRemuneration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_KeyManagementPersonnelCompensationOtherRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of fees paid or payable for the other expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_KeyManagementPersonnelCompensationOtherRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel compensation other remuneration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_KeyManagementPersonnelCompensationOtherRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other remuneration</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensation" xlink:label="ifrs-full_KeyManagementPersonnelCompensation" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensation" xlink:to="ifrs-full_KeyManagementPersonnelCompensation_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfKeyManagementPersonnel" xlink:label="gsm_NumberOfKeyManagementPersonnel" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfKeyManagementPersonnel" xlink:to="gsm_NumberOfKeyManagementPersonnel_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfKeyManagementPersonnel_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of key management personnel.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfKeyManagementPersonnel_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Key Management Personnel</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NumberOfKeyManagementPersonnel_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of key management personnel</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_KeyManagementPersonnelLoansAndAdvancesGranted" xlink:label="gsm_KeyManagementPersonnelLoansAndAdvancesGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_KeyManagementPersonnelLoansAndAdvancesGranted" xlink:to="gsm_KeyManagementPersonnelLoansAndAdvancesGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_KeyManagementPersonnelLoansAndAdvancesGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of key management personnel, loans and advance have been granted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_KeyManagementPersonnelLoansAndAdvancesGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel, loans and advances granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_KeyManagementPersonnelLoansAndAdvancesGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loans and advances granted</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of nature and extent of risks arising from financial instruments [table]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FrenchCompanySubsidiaryMember" xlink:label="gsm_FrenchCompanySubsidiaryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FrenchCompanySubsidiaryMember" xlink:to="gsm_FrenchCompanySubsidiaryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FrenchCompanySubsidiaryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for French company subsidiary.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FrenchCompanySubsidiaryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">French Company Subsidiary [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NorwegianSubsidiaryMember" xlink:label="gsm_NorwegianSubsidiaryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NorwegianSubsidiaryMember" xlink:to="gsm_NorwegianSubsidiaryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NorwegianSubsidiaryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Norwegian Subsidiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NorwegianSubsidiaryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Norwegian Subsidiary [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis" xlink:to="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Continuing involvement in derecognised financial assets by type of transfer [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain" xlink:to="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Continuing involvement in derecognised financial assets by type of transfer [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksAxis" xlink:label="ifrs-full_TypesOfRisksAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfRisksAxis" xlink:to="ifrs-full_TypesOfRisksAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfRisksAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of risks [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksDomain" xlink:label="ifrs-full_TypesOfRisksDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfRisksDomain" xlink:to="ifrs-full_TypesOfRisksDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfRisksDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of risks [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestRateRiskMember" xlink:label="ifrs-full_InterestRateRiskMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestRateRiskMember" xlink:to="ifrs-full_InterestRateRiskMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestRateRiskMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest rate risk</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrencyRiskMember" xlink:label="ifrs-full_CurrencyRiskMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrencyRiskMember" xlink:to="ifrs-full_CurrencyRiskMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrencyRiskMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign currency risk</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiquidityRiskMember" xlink:label="ifrs-full_LiquidityRiskMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiquidityRiskMember" xlink:to="ifrs-full_LiquidityRiskMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiquidityRiskMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liquidity risk</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PowerRiskMember" xlink:label="gsm_PowerRiskMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PowerRiskMember" xlink:to="gsm_PowerRiskMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PowerRiskMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to power risk.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PowerRiskMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Power Risk [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PowerRiskMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Power Risk</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LoanWithBnpParibasMember" xlink:label="gsm_LoanWithBnpParibasMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LoanWithBnpParibasMember" xlink:to="gsm_LoanWithBnpParibasMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LoanWithBnpParibasMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for loan with BNP Paribas.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LoanWithBnpParibasMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan with BNP Paribas</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SociedadEstatalDeParticipacionesIndustrialesLoanMember" xlink:label="gsm_SociedadEstatalDeParticipacionesIndustrialesLoanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SociedadEstatalDeParticipacionesIndustrialesLoanMember" xlink:to="gsm_SociedadEstatalDeParticipacionesIndustrialesLoanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SociedadEstatalDeParticipacionesIndustrialesLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Sociedad Estatal de Participaciones Industriales loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SociedadEstatalDeParticipacionesIndustrialesLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sociedad Estatal de Participaciones Industriales loan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SociedadEstatalDeParticipacionesIndustrialesLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sociedad Estatal de Participaciones Industriales loan</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SeniorNotesDue2022Member" xlink:label="gsm_SeniorNotesDue2022Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SeniorNotesDue2022Member" xlink:to="gsm_SeniorNotesDue2022Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SeniorNotesDue2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for senior notes due 2022.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SeniorNotesDue2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Senior Notes due 2022</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SeniorNotesDue2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Senior Notes due 2022</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MinistryMember" xlink:label="gsm_MinistryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MinistryMember" xlink:to="gsm_MinistryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MinistryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for loan agreement with the Spanish Ministry of Industry, Tourism and Commerce.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MinistryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ministry [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LoanWithInvestissementQuebecMember" xlink:label="gsm_LoanWithInvestissementQuebecMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LoanWithInvestissementQuebecMember" xlink:to="gsm_LoanWithInvestissementQuebecMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LoanWithInvestissementQuebecMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for loan agreement with Investissement Quebec.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LoanWithInvestissementQuebecMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan with Investissement Quebec [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LoanFromBankInterMember" xlink:label="gsm_LoanFromBankInterMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LoanFromBankInterMember" xlink:to="gsm_LoanFromBankInterMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LoanFromBankInterMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for loan from Bank Inter.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LoanFromBankInterMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan From Bank Inter [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis" xlink:label="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis" xlink:to="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by percentage of reasonably possible change in risk assumption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Reasonably Possible Change In Risk Assumption [axis]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionMemberDomain" xlink:label="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionMemberDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionMemberDomain" xlink:to="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionMemberDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionMemberDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by percentage of reasonably possible change in risk assumption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionMemberDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Reasonably Possible Change In Risk Assumption Member [Domain]]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOneMemberMember" xlink:label="gsm_PercentageOneMemberMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOneMemberMember" xlink:to="gsm_PercentageOneMemberMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOneMemberMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of sensitivity of increase in interest rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOneMemberMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage One Member [Member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementScenarioAxis" xlink:label="srt_StatementScenarioAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_StatementScenarioAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_StatementScenarioAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Scenario [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain" xlink:label="srt_ScenarioUnspecifiedDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScenarioUnspecifiedDomain" xlink:to="srt_ScenarioUnspecifiedDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Scenario [Domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NotesInRestructuringMember" xlink:label="gsm_NotesInRestructuringMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NotesInRestructuringMember" xlink:to="gsm_NotesInRestructuringMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NotesInRestructuringMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This details the restructuring of notes by the company in 2021.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NotesInRestructuringMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notes in Restructuring</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ThreeYearPeriodMember" xlink:label="gsm_ThreeYearPeriodMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ThreeYearPeriodMember" xlink:to="gsm_ThreeYearPeriodMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ThreeYearPeriodMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for lease term over three year period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ThreeYearPeriodMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Over 3-year period</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FiveYearPeriodMember" xlink:label="gsm_FiveYearPeriodMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FiveYearPeriodMember" xlink:to="gsm_FiveYearPeriodMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FiveYearPeriodMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for lease term over five year period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FiveYearPeriodMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Over 5-year period</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DuringFirstYearMember" xlink:label="gsm_DuringFirstYearMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DuringFirstYearMember" xlink:to="gsm_DuringFirstYearMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DuringFirstYearMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for interest paid during the first year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DuringFirstYearMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">During The First Year [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DuringRemainingYearsMember" xlink:label="gsm_DuringRemainingYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DuringRemainingYearsMember" xlink:to="gsm_DuringRemainingYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DuringRemainingYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for interest paid during the remaining years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DuringRemainingYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">During The Remaining Years [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_BankOfMontrealMember" xlink:label="gsm_BankOfMontrealMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_BankOfMontrealMember" xlink:to="gsm_BankOfMontrealMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_BankOfMontrealMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for transactions with Bank of Montreal who will act as lender and agent in an asset-based revolving credit facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_BankOfMontrealMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank of Montreal [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CandaMember" xlink:label="gsm_CandaMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CandaMember" xlink:to="gsm_CandaMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CandaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This stands for capital expenditure activities in Canada.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CandaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Canda [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CandaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Canda</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SpainEsMember" xlink:label="gsm_SpainEsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SpainEsMember" xlink:to="gsm_SpainEsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SpainEsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Spain</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SpainEsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Spain ES [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SpainEsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Spain</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_WeightedAverage.Member" xlink:label="gsm_WeightedAverage.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_WeightedAverage.Member" xlink:to="gsm_WeightedAverage.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_WeightedAverage.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The weighted average effective interest rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_WeightedAverage.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average. [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of nature and extent of risks arising from financial instruments [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial risk management</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfReasonablyPossibleDecreaseInRiskAssumption" xlink:label="gsm_PercentageOfReasonablyPossibleDecreaseInRiskAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfReasonablyPossibleDecreaseInRiskAssumption" xlink:to="gsm_PercentageOfReasonablyPossibleDecreaseInRiskAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfReasonablyPossibleDecreaseInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of reasonable possible decrease in risk assumption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfReasonablyPossibleDecreaseInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Reasonably Possible Decrease In Risk Assumption</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption." xlink:label="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption." xlink:to="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The reasonably possible percentage of the increase in the designated risk component used to determine the value of the financial instrument. Excludes defined benefit plan obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Reasonably Possible Increase In Risk Assumption.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xlink:label="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xlink:to="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Increase (decrease) in profit Loss due to reasonably possible Increase in designated risk component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Profit Loss Financial Instrument Due To Reasonably Possible Increase In Designated Risk Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in profit before tax due to appreciation of USD against EUR, CAD, and ZAR.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponent" xlink:label="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponent" xlink:to="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Increase (decrease) in profit Loss due to reasonably possible decrease in designated risk component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Profit Loss Financial Instrument Due To Reasonably Possible Decrease In Designated Risk Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease in net profit before tax due to depreciation of USD against EUR, CAD, and ZAR.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xlink:label="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" xlink:to="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of possible increase (Decrease) in profit and loss due to reasonably possible increase in designated risk component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Profit And Loss Due To Reasonably Possible Increase In Designated Risk Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additional borrowing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in energy expenditure</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:label="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:to="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current borrowings and current portion of non-current borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current amount drawn down</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentPortionOfNoncurrentLoansReceived" xlink:label="ifrs-full_NoncurrentPortionOfNoncurrentLoansReceived" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentPortionOfNoncurrentLoansReceived" xlink:to="ifrs-full_NoncurrentPortionOfNoncurrentLoansReceived_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentPortionOfNoncurrentLoansReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current portion of non-current loans received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentPortionOfNoncurrentLoansReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current amount drawn down</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_BorrowingExchangePercentage" xlink:label="gsm_BorrowingExchangePercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_BorrowingExchangePercentage" xlink:to="gsm_BorrowingExchangePercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_BorrowingExchangePercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The borrowings exchange percentage.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_BorrowingExchangePercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowing, Exchange Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_BorrowingExchangePercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange percentage</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromIssuingShares" xlink:label="ifrs-full_ProceedsFromIssuingShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromIssuingShares" xlink:to="ifrs-full_ProceedsFromIssuingShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromIssuingShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from issuing shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromIssuingShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from equity issuance</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AccruedInterestOnSeniorNotesRepurchased." xlink:label="gsm_AccruedInterestOnSeniorNotesRepurchased." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AccruedInterestOnSeniorNotesRepurchased." xlink:to="gsm_AccruedInterestOnSeniorNotesRepurchased._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AccruedInterestOnSeniorNotesRepurchased._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of accrued interest coupon on reinstated senior notes re-purchased.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AccruedInterestOnSeniorNotesRepurchased._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued Interest On Senior Notes Repurchased.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_Fee" xlink:label="gsm_Fee" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_Fee" xlink:to="gsm_Fee_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_Fee_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The fee on loan agreement with BNP Paribas which is equal based on the total borrowed capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_Fee_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_Fee_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fee</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RepaymentTermOfLoanAgreementWithInvestissementQuebec" xlink:label="gsm_RepaymentTermOfLoanAgreementWithInvestissementQuebec" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RepaymentTermOfLoanAgreementWithInvestissementQuebec" xlink:to="gsm_RepaymentTermOfLoanAgreementWithInvestissementQuebec_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RepaymentTermOfLoanAgreementWithInvestissementQuebec_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment term of Loan Agreement With Investissement Quebec</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RepaymentTermOfLoanAgreementWithInvestissementQuebec_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment Term Of Loan Agreement With Investissement Quebec</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RepaymentTermOfLoanAgreementWithInvestissementQuebec_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment term</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DeferralPeriodOnLoanAgreementWithInvestissementQuebec" xlink:label="gsm_DeferralPeriodOnLoanAgreementWithInvestissementQuebec" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DeferralPeriodOnLoanAgreementWithInvestissementQuebec" xlink:to="gsm_DeferralPeriodOnLoanAgreementWithInvestissementQuebec_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DeferralPeriodOnLoanAgreementWithInvestissementQuebec_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferral period on Loan Agreement With Investissement Quebec</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DeferralPeriodOnLoanAgreementWithInvestissementQuebec_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferral Period on Loan Agreement With Investissement Quebec</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DeferralPeriodOnLoanAgreementWithInvestissementQuebec_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payment deferral period</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfLeaseSchedules" xlink:label="gsm_NumberOfLeaseSchedules" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfLeaseSchedules" xlink:to="gsm_NumberOfLeaseSchedules_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfLeaseSchedules_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of lease schedules entered into during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfLeaseSchedules_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Lease Schedules</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NumberOfLeaseSchedules_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of lease schedules</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LeaseTerm" xlink:label="gsm_LeaseTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LeaseTerm" xlink:to="gsm_LeaseTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LeaseTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The term of lease agreement entered into by the company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LeaseTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_LeaseTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease term</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_UpfrontLeaseConsideration" xlink:label="gsm_UpfrontLeaseConsideration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_UpfrontLeaseConsideration" xlink:to="gsm_UpfrontLeaseConsideration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_UpfrontLeaseConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of upfront cash consideration received as a part of sale of assets to the lessor.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_UpfrontLeaseConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront Lease Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_UpfrontLeaseConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront lease consideration</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MonthlyLeaseRent" xlink:label="gsm_MonthlyLeaseRent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MonthlyLeaseRent" xlink:to="gsm_MonthlyLeaseRent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MonthlyLeaseRent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of monthly lease rent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MonthlyLeaseRent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Monthly Lease Rent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_MonthlyLeaseRent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Monthly lease rent</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_MaximumMaturitiesOfCommercialPaper" xlink:label="gsm_MaximumMaturitiesOfCommercialPaper" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_MaximumMaturitiesOfCommercialPaper" xlink:to="gsm_MaximumMaturitiesOfCommercialPaper_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_MaximumMaturitiesOfCommercialPaper_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The Maximum Maturities Of Commercial Paper issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_MaximumMaturitiesOfCommercialPaper_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum Maturities Of Commercial Paper</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RecognisedAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets" xlink:label="ifrs-full_RecognisedAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RecognisedAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets" xlink:to="ifrs-full_RecognisedAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RecognisedAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recognised assets representing continuing involvement in derecognised financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RecognisedAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront cash received</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateTable" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateTable" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial instruments by type of interest rate [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateLineItems" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateLineItems" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial instruments by type of interest rate [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsByTypeOfInterestRateLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial instruments by type of interest rate [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:to="ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later than two years and not later than five years [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_BankBorrowingsMember" xlink:label="gsm_BankBorrowingsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_BankBorrowingsMember" xlink:to="gsm_BankBorrowingsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_BankBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for bank borrowings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_BankBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank borrowings [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_BankBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank borrowings</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DebtInstrumentMember" xlink:label="gsm_DebtInstrumentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DebtInstrumentMember" xlink:to="gsm_DebtInstrumentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DebtInstrumentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for debt instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DebtInstrumentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt instrument [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DebtInstrumentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FinancialLoansFromGovernmentAgenciesMember" xlink:label="gsm_FinancialLoansFromGovernmentAgenciesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FinancialLoansFromGovernmentAgenciesMember" xlink:to="gsm_FinancialLoansFromGovernmentAgenciesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FinancialLoansFromGovernmentAgenciesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial loans from government agencies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FinancialLoansFromGovernmentAgenciesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Loans From Government Agencies [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_FinancialLoansFromGovernmentAgenciesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial loans from government agencies</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PayablesToRelatedPartiesMember" xlink:label="gsm_PayablesToRelatedPartiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PayablesToRelatedPartiesMember" xlink:to="gsm_PayablesToRelatedPartiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PayablesToRelatedPartiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">payables to related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PayablesToRelatedPartiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payables to related parties [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PayablesToRelatedPartiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payables to related parties.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PayablesToNonCurrentAssetSuppliersMember" xlink:label="gsm_PayablesToNonCurrentAssetSuppliersMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PayablesToNonCurrentAssetSuppliersMember" xlink:to="gsm_PayablesToNonCurrentAssetSuppliersMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PayablesToNonCurrentAssetSuppliersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">information pertaining to payables to non-current asset suppliers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PayablesToNonCurrentAssetSuppliersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payables to non-current asset suppliers [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PayablesToNonCurrentAssetSuppliersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payable to non-current asset suppliers</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ContingentConsideration.Member" xlink:label="gsm_ContingentConsideration.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ContingentConsideration.Member" xlink:to="gsm_ContingentConsideration.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ContingentConsideration.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">information pertaining to contingent consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ContingentConsideration.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration. [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_ContingentConsideration.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">contingent consideration</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TradeAndOtherPayablesMember" xlink:label="gsm_TradeAndOtherPayablesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TradeAndOtherPayablesMember" xlink:to="gsm_TradeAndOtherPayablesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TradeAndOtherPayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">information pertaining to trade and other payables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TradeAndOtherPayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other payables [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TradeAndOtherPayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other payables.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of maturity analysis for non-derivative financial liabilities [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of maturity analysis for non-derivative financial liabilities [line items]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NetUndiscountedCashFlowsAbstract" xlink:label="gsm_NetUndiscountedCashFlowsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NetUndiscountedCashFlowsAbstract" xlink:to="gsm_NetUndiscountedCashFlowsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NetUndiscountedCashFlowsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NetUndiscountedCashFlowsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Undiscounted Cash Flows [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_NetUndiscountedCashFlowsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net undiscounted cash flows</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContractualCapitalCommitments" xlink:label="ifrs-full_ContractualCapitalCommitments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContractualCapitalCommitments" xlink:to="ifrs-full_ContractualCapitalCommitments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContractualCapitalCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contractual capital commitments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ContractualCapitalCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long term power purchase commitments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:label="ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:to="ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-derivative financial liabilities, undiscounted cash flows</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:to="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reconciliation of liabilities arising from financing activities [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities arising from financing activities [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities arising from financing activities [domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermBorrowingsMember" xlink:label="ifrs-full_LongtermBorrowingsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LongtermBorrowingsMember" xlink:to="ifrs-full_LongtermBorrowingsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LongtermBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank borrowings.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilitiesMember" xlink:label="ifrs-full_LeaseLiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseLiabilitiesMember" xlink:to="ifrs-full_LeaseLiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LeaseLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Obligations under finance leases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LeaseLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Obligations under leases</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_DebtInstrumentsMember" xlink:label="gsm_DebtInstrumentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_DebtInstrumentsMember" xlink:to="gsm_DebtInstrumentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_DebtInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for debt instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_DebtInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_DebtInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt instruments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LoansFromGovernmentMember" xlink:label="gsm_LoansFromGovernmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LoansFromGovernmentMember" xlink:to="gsm_LoansFromGovernmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LoansFromGovernmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for loans from government agencies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LoansFromGovernmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial loans from government agencies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reconciliation of liabilities arising from financing activities [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reconciliation of liabilities arising from financing activities [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract" xlink:label="ifrs-full_ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract" xlink:to="ifrs-full_ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Changes in liabilities arising from financing activities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial risk management</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities arising from financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">End of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Beginning of period</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_LiabilitiesArisingFromFinancingActivitiesExcludingTollingAgreementLeaseLiability" xlink:label="gsm_LiabilitiesArisingFromFinancingActivitiesExcludingTollingAgreementLeaseLiability" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_LiabilitiesArisingFromFinancingActivitiesExcludingTollingAgreementLeaseLiability" xlink:to="gsm_LiabilitiesArisingFromFinancingActivitiesExcludingTollingAgreementLeaseLiability_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_LiabilitiesArisingFromFinancingActivitiesExcludingTollingAgreementLeaseLiability_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities including tolling agreement liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_LiabilitiesArisingFromFinancingActivitiesExcludingTollingAgreementLeaseLiability_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities Arising From Financing Activities Excluding Tolling Agreement Lease Liability</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:label="ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:to="ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through financing cash flows, liabilities arising from financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Changes from financing cash flows</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:label="ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:to="ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of changes in foreign exchange rates</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseThroughInterestExpenseLiabilitiesArisingFromFinancingActivities" xlink:label="gsm_IncreaseDecreaseThroughInterestExpenseLiabilitiesArisingFromFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseThroughInterestExpenseLiabilitiesArisingFromFinancingActivities" xlink:to="gsm_IncreaseDecreaseThroughInterestExpenseLiabilitiesArisingFromFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseThroughInterestExpenseLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in liabilities arising from financing activities resulting from interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseThroughInterestExpenseLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through interest expense, liabilities arising from financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseThroughInterestExpenseLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expense</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:to="ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through other changes, liabilities arising from financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other changes</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherOutflowsClassifiedAsFinancingActivities" xlink:label="gsm_OtherOutflowsClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherOutflowsClassifiedAsFinancingActivities" xlink:to="gsm_OtherOutflowsClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherOutflowsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amounts paid due to financing activities classified as other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherOutflowsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Outflows Classified As Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_OtherOutflowsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other amounts paid due to net financing activities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NetCashFlowUsedInFinancingActivitiesChangesArisingFromFinancingActivities" xlink:label="gsm_NetCashFlowUsedInFinancingActivitiesChangesArisingFromFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NetCashFlowUsedInFinancingActivitiesChangesArisingFromFinancingActivities" xlink:to="gsm_NetCashFlowUsedInFinancingActivitiesChangesArisingFromFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NetCashFlowUsedInFinancingActivitiesChangesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash (used) in financing activities, changes in liabilities arising from financing activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NetCashFlowUsedInFinancingActivitiesChangesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Cash Flow Used In Financing Activities Changes Arising From Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_NetCashFlowUsedInFinancingActivitiesChangesArisingFromFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash (used) in financing activities</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SupplyToSabonOnPayAsProduceBasisMember" xlink:label="gsm_SupplyToSabonOnPayAsProduceBasisMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SupplyToSabonOnPayAsProduceBasisMember" xlink:to="gsm_SupplyToSabonOnPayAsProduceBasisMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SupplyToSabonOnPayAsProduceBasisMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Supply of energy To Sabon On A Pay As Produce Basis.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SupplyToSabonOnPayAsProduceBasisMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Supply To Sabon On A Pay As Produce Basis [Member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AggregatePowerConsumption" xlink:label="gsm_AggregatePowerConsumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AggregatePowerConsumption" xlink:to="gsm_AggregatePowerConsumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AggregatePowerConsumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total power consumption by the company  during the period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AggregatePowerConsumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate Power Consumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_AggregatePowerConsumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total power consumption</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfPpaSigned" xlink:label="gsm_NumberOfPpaSigned" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfPpaSigned" xlink:to="gsm_NumberOfPpaSigned_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfPpaSigned_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The total number PPA signed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfPpaSigned_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of PPA SIgned</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_NumberOfPpaCancelled" xlink:label="gsm_NumberOfPpaCancelled" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_NumberOfPpaCancelled" xlink:to="gsm_NumberOfPpaCancelled_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_NumberOfPpaCancelled_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The total number PPA cancelled.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_NumberOfPpaCancelled_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of PPA Cancelled</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption" xlink:label="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption" xlink:to="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of reasonable possible increase in risk assumption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Reasonably Possible Increase In Risk Assumption</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent" xlink:label="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent" xlink:to="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of possible increase (Decrease) in profit and loss due to reasonably possible decrease in designated risk component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Profit And Loss Due To Reasonably Possible Decrease In Designated Risk Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease in energy expenditure.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TermOfEnergySupply" xlink:label="gsm_TermOfEnergySupply" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TermOfEnergySupply" xlink:to="gsm_TermOfEnergySupply_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TermOfEnergySupply_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The term for which the energy will be supplied under the agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TermOfEnergySupply_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term of Energy Supply</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TermOfEnergySupply_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term of energy supply</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of financial instruments [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of financial instruments [domain]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PurchasePriceAgreementsMember" xlink:label="gsm_PurchasePriceAgreementsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PurchasePriceAgreementsMember" xlink:to="gsm_PurchasePriceAgreementsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PurchasePriceAgreementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for everything related to Purchase Price Agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PurchasePriceAgreementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Price Agreements [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PurchasePriceAgreementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Price Agreements</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ContingentConsiderationInBusinessCombinationMember" xlink:label="gsm_ContingentConsiderationInBusinessCombinationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ContingentConsiderationInBusinessCombinationMember" xlink:to="gsm_ContingentConsiderationInBusinessCombinationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ContingentConsiderationInBusinessCombinationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for contingent consideration in a business combination.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ContingentConsiderationInBusinessCombinationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration in a business combination [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level1OfFairValueHierarchyMember" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level1OfFairValueHierarchyMember" xlink:to="ifrs-full_Level1OfFairValueHierarchyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Level 1 of fair value hierarchy</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:label="ifrs-full_PropertyPlantAndEquipmentAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:to="ifrs-full_PropertyPlantAndEquipmentAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipment" xlink:to="ifrs-full_PropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of financial assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial asset</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_CategoriesOfFinancialInstrumentsAbstract" xlink:label="gsm_CategoriesOfFinancialInstrumentsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_CategoriesOfFinancialInstrumentsAbstract" xlink:to="gsm_CategoriesOfFinancialInstrumentsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_CategoriesOfFinancialInstrumentsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_CategoriesOfFinancialInstrumentsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of Financial Instruments [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_CategoriesOfFinancialInstrumentsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MiscellaneousLiabilitiesAbstract" xlink:label="ifrs-full_MiscellaneousLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MiscellaneousLiabilitiesAbstract" xlink:to="ifrs-full_MiscellaneousLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MiscellaneousLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_MiscellaneousLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContingentLiabilitiesRecognisedInBusinessCombination" xlink:label="ifrs-full_ContingentLiabilitiesRecognisedInBusinessCombination" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContingentLiabilitiesRecognisedInBusinessCombination" xlink:to="ifrs-full_ContingentLiabilitiesRecognisedInBusinessCombination_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContingentLiabilitiesRecognisedInBusinessCombination_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent liabilities recognised in business combination</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ContingentLiabilitiesRecognisedInBusinessCombination_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration in a business combination</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of fair value measurement of assets [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RecurringFairValueMeasurementMember" xlink:label="ifrs-full_RecurringFairValueMeasurementMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RecurringFairValueMeasurementMember" xlink:to="ifrs-full_RecurringFairValueMeasurementMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RecurringFairValueMeasurementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recurring</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RecurringFairValueMeasurementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recurring</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContingentConsiderationMember" xlink:label="ifrs-full_ContingentConsiderationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContingentConsiderationMember" xlink:to="ifrs-full_ContingentConsiderationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContingentConsiderationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of fair value measurement of assets [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:to="ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reconciliation of changes in fair value measurement, liabilities [abstract]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_FairValueLiabilitiesAssets" xlink:label="gsm_FairValueLiabilitiesAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_FairValueLiabilitiesAssets" xlink:to="gsm_FairValueLiabilitiesAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_FairValueLiabilitiesAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of fair value for (liabilities) and assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_FairValueLiabilitiesAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Liabilities Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="gsm_FairValueLiabilitiesAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="gsm_FairValueLiabilitiesAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value beginning balance.</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GainLossesRecognisedInProfitOfLossFairValueMeasurement" xlink:label="gsm_GainLossesRecognisedInProfitOfLossFairValueMeasurement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GainLossesRecognisedInProfitOfLossFairValueMeasurement" xlink:to="gsm_GainLossesRecognisedInProfitOfLossFairValueMeasurement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GainLossesRecognisedInProfitOfLossFairValueMeasurement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The gains (losses) including exchange differences recognised in profit or loss on the fair value measurement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GainLossesRecognisedInProfitOfLossFairValueMeasurement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain losses recognised in profit of Loss Fair Value Measurement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_GainLossesRecognisedInProfitOfLossFairValueMeasurement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Changes in fair value through profit or loss</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_SettlementFairValueMeasurement." xlink:label="gsm_SettlementFairValueMeasurement." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_SettlementFairValueMeasurement." xlink:to="gsm_SettlementFairValueMeasurement._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_SettlementFairValueMeasurement._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The decrease in the fair value measurement as a result of settlement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_SettlementFairValueMeasurement._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Settlement Fair Value Measurement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_SettlementFairValueMeasurement._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_RestrictedNetAssetsOfSubsidiary" xlink:label="gsm_RestrictedNetAssetsOfSubsidiary" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_RestrictedNetAssetsOfSubsidiary" xlink:to="gsm_RestrictedNetAssetsOfSubsidiary_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_RestrictedNetAssetsOfSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of restricted net assets of subsidiary as at the end of the reporting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_RestrictedNetAssetsOfSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Net Assets of Subsidiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_RestrictedNetAssetsOfSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted net assets</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PercentageByWhichRestrictedNetAssetsExceedConsolidatedNetAssetsOfCompany" xlink:label="gsm_PercentageByWhichRestrictedNetAssetsExceedConsolidatedNetAssetsOfCompany" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PercentageByWhichRestrictedNetAssetsExceedConsolidatedNetAssetsOfCompany" xlink:to="gsm_PercentageByWhichRestrictedNetAssetsExceedConsolidatedNetAssetsOfCompany_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PercentageByWhichRestrictedNetAssetsExceedConsolidatedNetAssetsOfCompany_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage by which restricted net assets exceed the consolidated net assets of the company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PercentageByWhichRestrictedNetAssetsExceedConsolidatedNetAssetsOfCompany_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage By Which Restricted Net Assets Exceed The Consolidated Net Assets Of The COmpany</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:to="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of non-adjusting events after reporting period [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:to="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of non-adjusting events after reporting period [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Events after the reporting period</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ParentCompanyStatementTable" xlink:label="gsm_ParentCompanyStatementTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ParentCompanyStatementTable" xlink:to="gsm_ParentCompanyStatementTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ParentCompanyStatementTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of information about parent company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ParentCompanyStatementTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Parent Company Statement [Table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConsolidatedAndSeparateFinancialStatementsAxis" xlink:label="ifrs-full_ConsolidatedAndSeparateFinancialStatementsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ConsolidatedAndSeparateFinancialStatementsAxis" xlink:to="ifrs-full_ConsolidatedAndSeparateFinancialStatementsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ConsolidatedAndSeparateFinancialStatementsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated and separate financial statements [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConsolidatedMember" xlink:label="ifrs-full_ConsolidatedMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ConsolidatedMember" xlink:to="ifrs-full_ConsolidatedMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ConsolidatedMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SeparateMember" xlink:label="ifrs-full_SeparateMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SeparateMember" xlink:to="ifrs-full_SeparateMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SeparateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Separate [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SeparateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe PLC</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_SeparateMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Separate</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_ParentCompanyStatementLineItems" xlink:label="gsm_ParentCompanyStatementLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_ParentCompanyStatementLineItems" xlink:to="gsm_ParentCompanyStatementLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_ParentCompanyStatementLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of line items of information about parent company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_ParentCompanyStatementLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Parent Company Statement [Line Items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:label="ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:to="ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments in subsidiaries, joint ventures and associates reported in separate financial statements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment in subsidiaries</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InterCompanyReceivablesNoncurrent" xlink:label="gsm_InterCompanyReceivablesNoncurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InterCompanyReceivablesNoncurrent" xlink:to="gsm_InterCompanyReceivablesNoncurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InterCompanyReceivablesNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non-current inter company receivables as of the balance sheet date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InterCompanyReceivablesNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inter Company Receivables, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_InterCompanyReceivablesNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loans to group companies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:label="ifrs-full_AmountsReceivableRelatedPartyTransactions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:to="ifrs-full_AmountsReceivableRelatedPartyTransactions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AmountsReceivableRelatedPartyTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amounts receivable, related party transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AmountsReceivableRelatedPartyTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loans to group companies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentReceivables" xlink:to="ifrs-full_TradeAndOtherCurrentReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other current receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other receivables</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_TradeAndOtherReceivablesFromSubsidiaries" xlink:label="gsm_TradeAndOtherReceivablesFromSubsidiaries" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_TradeAndOtherReceivablesFromSubsidiaries" xlink:to="gsm_TradeAndOtherReceivablesFromSubsidiaries_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_TradeAndOtherReceivablesFromSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current trade receivables and current other receivables from subsidiaries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_TradeAndOtherReceivablesFromSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade And Other Receivables From Subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_TradeAndOtherReceivablesFromSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other receivables from subsidiaries</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_OtherReservesDeficit" xlink:label="gsm_OtherReservesDeficit" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_OtherReservesDeficit" xlink:to="gsm_OtherReservesDeficit_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_OtherReservesDeficit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">A component of equity (deficit) representing reserves within equity, not including retained earnings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_OtherReservesDeficit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Reserves (Deficit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gsm_OtherReservesDeficit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Reserves</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarnings" xlink:label="ifrs-full_RetainedEarnings" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarnings" xlink:to="ifrs-full_RetainedEarnings_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarnings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retained earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RetainedEarnings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retained earnings</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InterCompanyPayablesNoncurrent" xlink:label="gsm_InterCompanyPayablesNoncurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InterCompanyPayablesNoncurrent" xlink:to="gsm_InterCompanyPayablesNoncurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InterCompanyPayablesNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non-current inter company payables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InterCompanyPayablesNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inter Company Payables, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_InterCompanyPayablesNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loans from group companies</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_InterCompanyPayablesCurrent" xlink:label="gsm_InterCompanyPayablesCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_InterCompanyPayablesCurrent" xlink:to="gsm_InterCompanyPayablesCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_InterCompanyPayablesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current inter company payables as of the balance sheet date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_InterCompanyPayablesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inter Company Payables, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_InterCompanyPayablesCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loans from group companies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherPayablesToRelatedParties" xlink:label="ifrs-full_TradeAndOtherPayablesToRelatedParties" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherPayablesToRelatedParties" xlink:to="ifrs-full_TradeAndOtherPayablesToRelatedParties_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherPayablesToRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payables to related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherPayablesToRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other payables to subsidiaries</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_AdjustmentsForFinanceIncomeExpense" xlink:label="gsm_AdjustmentsForFinanceIncomeExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_AdjustmentsForFinanceIncomeExpense" xlink:to="gsm_AdjustmentsForFinanceIncomeExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_AdjustmentsForFinanceIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for finance income (expense) to reconcile profit (loss) to net cash flow from (used in) operating activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_AdjustmentsForFinanceIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments For Finance Income Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gsm_AdjustmentsForFinanceIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAdvancesAndLoansMadeToRelatedParties" xlink:label="ifrs-full_CashAdvancesAndLoansMadeToRelatedParties" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAdvancesAndLoansMadeToRelatedParties" xlink:to="ifrs-full_CashAdvancesAndLoansMadeToRelatedParties_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAdvancesAndLoansMadeToRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash advances and loans made to related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_CashAdvancesAndLoansMadeToRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loans to group companies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties" xlink:label="ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties" xlink:to="ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash receipts from repayment of advances and loans made to related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from loans to group companies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsForDebtIssueCosts" xlink:label="ifrs-full_PaymentsForDebtIssueCosts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsForDebtIssueCosts" xlink:to="ifrs-full_PaymentsForDebtIssueCosts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PaymentsForDebtIssueCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments for debt issue costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_PaymentsForDebtIssueCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments for debt issuance cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_PaymentsForDebtIssueCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash fee</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAdvancesAndLoansFromRelatedParties" xlink:label="ifrs-full_CashAdvancesAndLoansFromRelatedParties" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAdvancesAndLoansFromRelatedParties" xlink:to="ifrs-full_CashAdvancesAndLoansFromRelatedParties_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAdvancesAndLoansFromRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash advances and loans from related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashAdvancesAndLoansFromRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from loans from group companies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashRepaymentsOfAdvancesAndLoansFromRelatedParties" xlink:label="ifrs-full_CashRepaymentsOfAdvancesAndLoansFromRelatedParties" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashRepaymentsOfAdvancesAndLoansFromRelatedParties" xlink:to="ifrs-full_CashRepaymentsOfAdvancesAndLoansFromRelatedParties_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashRepaymentsOfAdvancesAndLoansFromRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash repayments of advances and loans from related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_CashRepaymentsOfAdvancesAndLoansFromRelatedParties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayments of loans from group companies</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_PromissoryNoteMember" xlink:label="gsm_PromissoryNoteMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_PromissoryNoteMember" xlink:to="gsm_PromissoryNoteMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_PromissoryNoteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for promissory notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_PromissoryNoteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Promissory Note [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gsm_PromissoryNoteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Promissory note</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContingentLiabilityForGuaranteesMember" xlink:label="ifrs-full_ContingentLiabilityForGuaranteesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContingentLiabilityForGuaranteesMember" xlink:to="ifrs-full_ContingentLiabilityForGuaranteesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContingentLiabilityForGuaranteesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent liability for guarantees [member]</label>
    <loc xlink:type="locator" xlink:href="gsm-20251231.xsd#gsm_GlobeMetallurgicalInc.Member" xlink:label="gsm_GlobeMetallurgicalInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gsm_GlobeMetallurgicalInc.Member" xlink:to="gsm_GlobeMetallurgicalInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gsm_GlobeMetallurgicalInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Globe Metallurgical Inc Industry Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gsm_GlobeMetallurgicalInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ferroglobe USA Metallurgical, Inc.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:label="ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:to="ifrs-full_EstimatedFinancialEffectOfContingentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EstimatedFinancialEffectOfContingentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Estimated financial effect of contingent liabilities</label>
  </link:labelLink>
</link:linkbase>
