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<!--Created on: 3/26/2026 5:36:19 PM-->
<!--Modified on: 3/26/2026 5:36:19 PM-->
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    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorName" xlink:to="dei_AuditorName_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorFirmId" xlink:label="dei_AuditorFirmId" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorFirmId" xlink:to="dei_AuditorFirmId_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorLocation" xlink:label="dei_AuditorLocation" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorLocation" xlink:to="dei_AuditorLocation_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AuditorLocation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Auditor Location</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFinStmtErrorCorrectionFlag" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFinStmtErrorCorrectionFlag" xlink:to="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Document Financial Statement Error Correction [Flag]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract" xlink:label="ifrs-full_StatementOfFinancialPositionAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_StatementOfFinancialPositionAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated Statement 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_AssetsAbstract" xlink:label="ifrs-full_AssetsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsAbstract" xlink:to="ifrs-full_AssetsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">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_Goodwill" xlink:label="ifrs-full_Goodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Goodwill" xlink:to="ifrs-full_Goodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Goodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_Goodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Goodwill at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_Goodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Goodwill at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Goodwill_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_IntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_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_PropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:label="ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:to="ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">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_PropertyPlantAndEquipmentIncludingRightofuseAssets_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/totalLabel" xlink:label="ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total 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_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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" 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="glpg-20251231.xsd#glpg_NonCurrentResearchAndDevelopmentIncentivesReceivables" xlink:label="glpg_NonCurrentResearchAndDevelopmentIncentivesReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NonCurrentResearchAndDevelopmentIncentivesReceivables" xlink:to="glpg_NonCurrentResearchAndDevelopmentIncentivesReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NonCurrentResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non current research and development incentives receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NonCurrentResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non Current Research and Development Incentives Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NonCurrentResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current R&amp;D incentives receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_NonCurrentResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total non-current R&amp;D incentives receivables-discounted value</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NonCurrentContingentConsiderationReceivable" xlink:label="glpg_NonCurrentContingentConsiderationReceivable" 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="glpg_NonCurrentContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non current contingent consideration receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NonCurrentContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non Current Contingent Consideration Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NonCurrentContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current contingent consideration 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_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome" 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_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments in equity instruments designated at fair value through other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity 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_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/terseLabel" 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">Total other non-current assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ConvertibleLoan" xlink:label="glpg_ConvertibleLoan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ConvertibleLoan" xlink:to="glpg_ConvertibleLoan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ConvertibleLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of convertible loan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ConvertibleLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Convertible 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_OtherNoncurrentFinancialAssets" xlink:label="ifrs-full_OtherNoncurrentFinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentFinancialAssets" xlink:to="ifrs-full_OtherNoncurrentFinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherNoncurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">non-current financial 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_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/totalLabel" xlink:label="ifrs-full_NoncurrentAssets_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_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">Current inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Inventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Inventories_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_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/terseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" 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="glpg-20251231.xsd#glpg_CurrentResearchAndDevelopmentIncentivesReceivables" xlink:label="glpg_CurrentResearchAndDevelopmentIncentivesReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CurrentResearchAndDevelopmentIncentivesReceivables" xlink:to="glpg_CurrentResearchAndDevelopmentIncentivesReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CurrentResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current research and development incentives receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CurrentResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Research and Development Incentives Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CurrentResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current R&amp;D incentives 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_CurrentInvestments" xlink:label="ifrs-full_CurrentInvestments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentInvestments" xlink:to="ifrs-full_CurrentInvestments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current financial investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total current financial investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current financial 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_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/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="glpg-20251231.xsd#glpg_EscrowAccount" xlink:label="glpg_EscrowAccount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EscrowAccount" xlink:to="glpg_EscrowAccount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EscrowAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of escrow account.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EscrowAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Escrow Account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_EscrowAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Escrow account</label>
    <loc 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/terseLabel" 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_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:label="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:to="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current assets other than non-current assets or disposal groups classified as held for sale or as held for distribution to owners</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current assets from continuing operations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:label="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:to="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current assets or disposal groups classified as held for sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets classified as held for sale</label>
    <loc 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/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_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/periodEndLabel" xlink:label="ifrs-full_IssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share capital, ending</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_IssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share capital, beginning</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>
    <loc 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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SharePremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share premium account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" 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_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">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/verboseLabel" 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="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/verboseLabel" xlink:label="ifrs-full_RetainedEarnings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated 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_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">Balance at end of year</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">Balance at beginning of year</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_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">Retirement benefit 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_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/2003/role/terseLabel" 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="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/2003/role/terseLabel" 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/2003/role/verboseLabel" xlink:label="ifrs-full_NoncurrentLeaseLiabilities_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_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/terseLabel" 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 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_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities" xlink:label="ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities" xlink:to="ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current deferred income other than non-current contract liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current 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_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/totalLabel" xlink:label="ifrs-full_NoncurrentLiabilities_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_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/2003/role/terseLabel" 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/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Less 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_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 and other liabilities</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 trade and 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_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_CurrentTaxLiabilities" xlink:label="ifrs-full_CurrentTaxLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxLiabilities" xlink:to="ifrs-full_CurrentTaxLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current tax liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current tax payable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities" xlink:label="ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities" xlink:to="ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current deferred income other than current contract liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Of which current portion :</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Of which current portion :</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current 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_CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:label="ifrs-full_CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:to="ifrs-full_CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current liabilities other than liabilities included in disposal groups classified as held for sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current liabilities from continuing operations</label>
    <loc 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/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_Liabilities" xlink:label="ifrs-full_Liabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_Liabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Liabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Liabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total 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 Statement of Operations</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RevenueFromSupply" xlink:label="glpg_RevenueFromSupply" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RevenueFromSupply" xlink:to="glpg_RevenueFromSupply_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RevenueFromSupply_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of revenue from supply recognized during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RevenueFromSupply_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue From Supply</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RevenueFromSupply_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Supply revenues</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RevenueFromCollaboration" xlink:label="glpg_RevenueFromCollaboration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RevenueFromCollaboration" xlink:to="glpg_RevenueFromCollaboration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RevenueFromCollaboration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of revenue from collaboration recognized during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RevenueFromCollaboration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue From Collaboration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RevenueFromCollaboration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaboration revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_RevenueFromCollaboration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total collaboration revenues</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Revenue" xlink:to="ifrs-full_Revenue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Revenue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Revenue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total net revenues</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CostOfSales" xlink:label="ifrs-full_CostOfSales" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CostOfSales" xlink:to="ifrs-full_CostOfSales_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CostOfSales_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost of sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_CostOfSales_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost of 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_ResearchAndDevelopmentExpense" xlink:label="ifrs-full_ResearchAndDevelopmentExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ResearchAndDevelopmentExpense" xlink:to="ifrs-full_ResearchAndDevelopmentExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and development expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and development expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total R&amp;D expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total R&amp;D 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_SalesAndMarketingExpense" xlink:label="ifrs-full_SalesAndMarketingExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SalesAndMarketingExpense" xlink:to="ifrs-full_SalesAndMarketingExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SalesAndMarketingExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales and marketing expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_SalesAndMarketingExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales and marketing expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_SalesAndMarketingExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total sales and marketing 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_GeneralAndAdministrativeExpense" xlink:label="ifrs-full_GeneralAndAdministrativeExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GeneralAndAdministrativeExpense" xlink:to="ifrs-full_GeneralAndAdministrativeExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General and administrative expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General and administrative expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total general and administrative 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_ImpairmentLoss" xlink:label="ifrs-full_ImpairmentLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLoss" xlink:to="ifrs-full_ImpairmentLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentLoss_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/negatedLabel" xlink:label="ifrs-full_ImpairmentLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment of the cell therapy business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ImpairmentLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment of the cell therapy business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ImpairmentLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment of fixed 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_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">Other operating income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherOperatingIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating 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_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/totalLabel" xlink:label="ifrs-full_ProfitLossFromOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating loss</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FairValueAdjustmentsAndNetCurrencyExchange" xlink:label="glpg_FairValueAdjustmentsAndNetCurrencyExchange" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FairValueAdjustmentsAndNetCurrencyExchange" xlink:to="glpg_FairValueAdjustmentsAndNetCurrencyExchange_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FairValueAdjustmentsAndNetCurrencyExchange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount fair value adjustments and net currency exchange differences.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FairValueAdjustmentsAndNetCurrencyExchange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Adjustments and Net Currency Exchange</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_FairValueAdjustmentsAndNetCurrencyExchange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustments and net currency exchange differences</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_FairValueAdjustmentsAndNetCurrencyExchange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustments and net 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_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/totalLabel" xlink:label="ifrs-full_OtherFinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total other financial income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherFinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial 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_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/2009/role/negatedLabel" xlink:label="ifrs-full_OtherFinanceCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_OtherFinanceCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total other financial 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_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/terseLabel" 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">Income/loss 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 taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income taxes</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">Tax expenses in statement of operations (effective)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromContinuingOperations" xlink:label="ifrs-full_ProfitLossFromContinuingOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromContinuingOperations" xlink:to="ifrs-full_ProfitLossFromContinuingOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss) from continuing operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossFromContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net loss from continuing operations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:to="ifrs-full_ProfitLossFromDiscontinuedOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss) from discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net profit/(loss) (-) from discontinued operations, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net income from discontinued operations</label>
    <loc 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">Net profit / (loss) (-)</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">Net 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_ProfitLossAttributableToAbstract" xlink:label="ifrs-full_ProfitLossAttributableToAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToAbstract" xlink:to="ifrs-full_ProfitLossAttributableToAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss), attributable to [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLossAttributableToAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net loss attributable to:</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_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/terseLabel" xlink:label="ifrs-full_AdjustedWeightedAverageShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average number of shares for the purpose of diluted earnings/loss (-) per share</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_StatementOfComprehensiveIncomeAbstract" xlink:label="ifrs-full_StatementOfComprehensiveIncomeAbstract" 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_StatementOfComprehensiveIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated Statement of 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_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" 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_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Items that will not be reclassified subsequently to profit 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_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Re-measurement 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_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" 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_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other comprehensive income, net of tax, gains (losses) from investments in equity instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustments financial assets held at fair value through other comprehensive 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_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 profit 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_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" 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_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Translation differences, arisen from translating foreign activities</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherComprehensiveIncomeNetOfTaxTranslationDifferencesUponLiquidationOfForeignOperations" xlink:label="glpg_OtherComprehensiveIncomeNetOfTaxTranslationDifferencesUponLiquidationOfForeignOperations" 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="glpg_OtherComprehensiveIncomeNetOfTaxTranslationDifferencesUponLiquidationOfForeignOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Comprehensive Income Net of Tax Translation Differences Upon Liquidation of Foreign Operations</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_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome" 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_OtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other comprehensive income</label>
    <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 income/loss (-), net of 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_ComprehensiveIncomeAttributableToAbstract" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToAbstract" 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_ComprehensiveIncomeAttributableToAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Comprehensive income attributable to [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total comprehensive loss attributable to:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Owners of 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_MiscellaneousOtherComprehensiveIncomeAbstract" xlink:label="ifrs-full_MiscellaneousOtherComprehensiveIncomeAbstract" 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_MiscellaneousOtherComprehensiveIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total comprehensive loss attributable to owners of the parent arises from:</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_ReserveOfExchangeDifferencesOnTranslationMember" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" 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_OtherReservesMember_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_RetainedEarningsMember" xlink:label="ifrs-full_RetainedEarningsMember" 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_RetainedEarningsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated 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_StatementOfChangesInEquityLineItems" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems" 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_StatementOfChangesInEquityLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statement of changes in equity [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated Statement 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_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" 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_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/totalLabel" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total 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_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" 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_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_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:label="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" 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_IncreaseDecreaseThroughExerciseOfWarrantsEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through exercise of warrants, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise of warrant/ subscription rights</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_StatementOfCashFlowsAbstract" xlink:label="ifrs-full_StatementOfCashFlowsAbstract" 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_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated Statement of Cash Flows</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedCashFlowStatementTable" xlink:label="srt_CondensedCashFlowStatementTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CondensedCashFlowStatementTable" xlink:to="srt_CondensedCashFlowStatementTable_lbl" 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_AdjustmentsForProvisions" xlink:label="ifrs-full_AdjustmentsForProvisions" 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_AdjustmentsForProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase 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_AdjustmentsForImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:label="ifrs-full_AdjustmentsForImpairmentLossRecognisedInProfitOrLossGoodwill" 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_AdjustmentsForImpairmentLossRecognisedInProfitOrLossGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for impairment loss recognised in profit or loss, goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForImpairmentLossRecognisedInProfitOrLossGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment of the cell therapy business</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAdjustmentsForNoncashItems" xlink:label="ifrs-full_OtherAdjustmentsForNoncashItems" 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_OtherAdjustmentsForNoncashItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other adjustments for non-cash items</label>
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    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentForItemsToDiscloseSeparatelyUnderOperatingCashFlow" xlink:label="glpg_AdjustmentForItemsToDiscloseSeparatelyUnderOperatingCashFlow" 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_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment for items to disclose under investing and financing cash flows</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total adjustment for items to disclose separately under investing and financing cash flow</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncreaseDecreaseInWorkingCapitalExcludingDeferredIncome" xlink:label="glpg_IncreaseDecreaseInWorkingCapitalExcludingDeferredIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncreaseDecreaseInWorkingCapitalExcludingDeferredIncome" xlink:to="glpg_IncreaseDecreaseInWorkingCapitalExcludingDeferredIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncreaseDecreaseInWorkingCapitalExcludingDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in working capital, excluding deferred income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncreaseDecreaseInWorkingCapitalExcludingDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in working capital, excluding deferred income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_IncreaseDecreaseInWorkingCapitalExcludingDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Change in working capital other than deferred income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="glpg_IncreaseDecreaseInWorkingCapitalExcludingDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total change in working capital other than deferred income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CashUsedForOtherLiabilitiesRelatedToAcquisitionOfSubsidiariesClassifiedAsOperatingActivities" xlink:label="glpg_CashUsedForOtherLiabilitiesRelatedToAcquisitionOfSubsidiariesClassifiedAsOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CashUsedForOtherLiabilitiesRelatedToAcquisitionOfSubsidiariesClassifiedAsOperatingActivities" xlink:to="glpg_CashUsedForOtherLiabilitiesRelatedToAcquisitionOfSubsidiariesClassifiedAsOperatingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CashUsedForOtherLiabilitiesRelatedToAcquisitionOfSubsidiariesClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash used for other liabilities related to the acquisition of subsidiaries, classified as operating activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CashUsedForOtherLiabilitiesRelatedToAcquisitionOfSubsidiariesClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash Used for Other Liabilities Related to Acquisition of Subsidiaries, Classified as Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_CashUsedForOtherLiabilitiesRelatedToAcquisitionOfSubsidiariesClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash used for other liabilities related to the acquisition of subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="glpg_CashUsedForOtherLiabilitiesRelatedToAcquisitionOfSubsidiariesClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash used for other liabilities related to the disposal of subsidiaries</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiariesClassifiedAsOperatingActivities" xlink:label="glpg_CashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiariesClassifiedAsOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiariesClassifiedAsOperatingActivities" xlink:to="glpg_CashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiariesClassifiedAsOperatingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiariesClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash used for other liabilities related to the disposal of subsidiaries, classified as operating activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiariesClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash used for other liabilities related to the disposal of subsidiaries classified as operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_CashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiariesClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">cash used for other liabilities related to the disposal of 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_AdjustmentsForIncreaseDecreaseInDeferredIncomeOtherThanContractLiabilities" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncomeOtherThanContractLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncomeOtherThanContractLiabilities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncomeOtherThanContractLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncomeOtherThanContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for increase (decrease) in deferred income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncomeOtherThanContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease in 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_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperations" xlink:to="ifrs-full_CashFlowsFromUsedInOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash used in operations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:label="ifrs-full_InterestPaidClassifiedAsOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:to="ifrs-full_InterestPaidClassifiedAsOperatingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestPaidClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest paid, classified as operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_InterestPaidClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">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_InterestReceivedClassifiedAsOperatingActivities" xlink:label="ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:to="ifrs-full_InterestReceivedClassifiedAsOperatingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestReceivedClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest received, classified as operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestReceivedClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest 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_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 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/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash flows used in 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_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/negatedLabel" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase 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_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">Purchase of and expenditure in intangible fixed 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_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from sales of property, plant and equipment, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from disposal 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_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:to="ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase of financial instruments, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase of financial 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_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">Investment income received related to current financial 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_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:label="ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:to="ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from sales or maturity of financial instruments, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sale of current financial investments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ProceedsFromSettlementOfHedgingInstrumentClassedAsInvest" xlink:label="glpg_ProceedsFromSettlementOfHedgingInstrumentClassedAsInvest" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ProceedsFromSettlementOfHedgingInstrumentClassedAsInvest" xlink:to="glpg_ProceedsFromSettlementOfHedgingInstrumentClassedAsInvest_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ProceedsFromSettlementOfHedgingInstrumentClassedAsInvest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash inflow from the settlement of hedging instrument.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ProceedsFromSettlementOfHedgingInstrumentClassedAsInvest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from settlement of hedging instrument classed as invest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ProceedsFromSettlementOfHedgingInstrumentClassedAsInvest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from settlement of hedging instrument</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" 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_PurchaseOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase of financial assets measured at fair value through other comprehensive income, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PurchaseOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Acquisition of financial assets held 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_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" 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_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/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash flows generated from/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_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <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">Payment of lease liabilities and other debts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromExerciseOfWarrants" xlink:label="ifrs-full_ProceedsFromExerciseOfWarrants" 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_ProceedsFromExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds From Exercise Of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from capital and share premium increases from exercise of subscription rights</label>
    <loc 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/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash flows 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" />
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    <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">Increase/decrease (-) in cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CashAndCashEquivalentsIncludingDiscontinuedOperations" xlink:label="glpg_CashAndCashEquivalentsIncludingDiscontinuedOperations" 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="glpg_CashAndCashEquivalentsIncludingDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">For the entity and the disposal group, cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CashAndCashEquivalentsIncludingDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and Cash Equivalents, Including Discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="glpg_CashAndCashEquivalentsIncludingDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents at end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="glpg_CashAndCashEquivalentsIncludingDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents at beginning of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_CashAndCashEquivalentsIncludingDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total 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_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" 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_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of exchange rate differences on cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfGeneralInformationAboutFinancialStatementAbstract" xlink:label="glpg_DisclosureOfGeneralInformationAboutFinancialStatementAbstract" 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_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:label="ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SummaryOfSignificantTransactionAbstract" xlink:label="glpg_SummaryOfSignificantTransactionAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SummaryOfSignificantTransactionTextBlock" xlink:label="glpg_SummaryOfSignificantTransactionTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfSignificantAccountingPoliciesAbstract" xlink:label="glpg_DisclosureOfSignificantAccountingPoliciesAbstract" 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_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:label="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" 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_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of accounting judgements and estimates [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Critical accounting judgments and key sources of estimation uncertainty</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:label="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" 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_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discontinued operations and assets held for sale</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:label="ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:to="ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of non-current assets held for sale and discontinued operations [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discontinued operations and assets held for sale</label>
    <loc 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" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <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 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_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:label="ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:to="ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <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 information</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfTotalRevenuesAndOtherIncomeAbstract" xlink:label="glpg_DisclosureOfTotalRevenuesAndOtherIncomeAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfTotalRevenuesAndOtherIncomeAbstract" xlink:to="glpg_DisclosureOfTotalRevenuesAndOtherIncomeAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfTotalRevenuesAndOtherIncomeAbstract_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="glpg_DisclosureOfTotalRevenuesAndOtherIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total revenues</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRevenueExplanatory" xlink:label="ifrs-full_DisclosureOfRevenueExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfRevenueExplanatory" xlink:to="ifrs-full_DisclosureOfRevenueExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfRevenueExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of revenue [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfRevenueExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total revenues</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OperatingCostsAndOtherOperatingIncomeAbstract" xlink:label="glpg_OperatingCostsAndOtherOperatingIncomeAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OperatingCostsAndOtherOperatingIncomeAbstract" xlink:to="glpg_OperatingCostsAndOtherOperatingIncomeAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OperatingCostsAndOtherOperatingIncomeAbstract_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="glpg_OperatingCostsAndOtherOperatingIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating costs and 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_DisclosureOfOtherOperatingIncomeExpenseExplanatory" xlink:label="ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory" xlink:to="ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other operating income (expense) [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating costs and 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_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">Staff costs</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfStaffCostsExplanatory" xlink:label="glpg_DisclosureOfStaffCostsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfStaffCostsExplanatory" xlink:to="glpg_DisclosureOfStaffCostsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfStaffCostsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure for staff costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfStaffCostsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Staff Costs Explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfStaffCostsExplanatory_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_MaterialIncomeAndExpenseAbstract" xlink:label="ifrs-full_MaterialIncomeAndExpenseAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MaterialIncomeAndExpenseAbstract" xlink:to="ifrs-full_MaterialIncomeAndExpenseAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MaterialIncomeAndExpenseAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial result</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:to="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of finance income (cost) [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial result</label>
    <loc 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">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_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">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_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">Income/loss (-) 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_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">Income/loss (-) per share</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GoodwillAbstract" xlink:label="glpg_GoodwillAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GoodwillAbstract" xlink:to="glpg_GoodwillAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GoodwillAbstract_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="glpg_GoodwillAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Goodwill and impairment of 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" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGoodwillExplanatory" xlink:to="ifrs-full_DisclosureOfGoodwillExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <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 and impairment of 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" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <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 other than 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_DisclosureOfIntangibleAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of intangible assets [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible assets other than 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_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" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of property, plant and equipment [text block]</label>
    <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" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ifrs-full_DisclosureOfFinancialAssetsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <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">Disclosure of financial assets [abstract]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfEquityInvestmentsTextBlock" xlink:label="glpg_DisclosureOfEquityInvestmentsTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfEquityInvestmentsTextBlock" xlink:to="glpg_DisclosureOfEquityInvestmentsTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfEquityInvestmentsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of equity investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfEquityInvestmentsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Equity Investments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfEquityInvestmentsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity investments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfConvertibleLoanAbstract" xlink:label="glpg_DisclosureOfConvertibleLoanAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfConvertibleLoanAbstract" xlink:to="glpg_DisclosureOfConvertibleLoanAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfConvertibleLoanAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of convertible loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfConvertibleLoanAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Convertible Loan [abstract]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfConvertibleLoanTextBlock" xlink:label="glpg_DisclosureOfConvertibleLoanTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfConvertibleLoanTextBlock" xlink:to="glpg_DisclosureOfConvertibleLoanTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfConvertibleLoanTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of convertible loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfConvertibleLoanTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Convertible Loan [text block]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherNoncurrentAssetsAbstract" xlink:label="glpg_OtherNoncurrentAssetsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherNoncurrentAssetsAbstract" xlink:to="glpg_OtherNoncurrentAssetsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherNoncurrentAssetsAbstract_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="glpg_OtherNoncurrentAssetsAbstract_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_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other non-current assets [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ResearchAndDevelopmentIncentivesReceivablesAbstract" xlink:label="glpg_ResearchAndDevelopmentIncentivesReceivablesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ResearchAndDevelopmentIncentivesReceivablesAbstract" xlink:to="glpg_ResearchAndDevelopmentIncentivesReceivablesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ResearchAndDevelopmentIncentivesReceivablesAbstract_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="glpg_ResearchAndDevelopmentIncentivesReceivablesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and Development incentives receivables</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfResearchAndDevelopmentIncentivesReceivablesExplanatoryTextBlock" xlink:label="glpg_DisclosureOfResearchAndDevelopmentIncentivesReceivablesExplanatoryTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfResearchAndDevelopmentIncentivesReceivablesExplanatoryTextBlock" xlink:to="glpg_DisclosureOfResearchAndDevelopmentIncentivesReceivablesExplanatoryTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfResearchAndDevelopmentIncentivesReceivablesExplanatoryTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure of research and development incentives receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfResearchAndDevelopmentIncentivesReceivablesExplanatoryTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of research and development incentives receivables explanatory [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfResearchAndDevelopmentIncentivesReceivablesExplanatoryTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and Development incentives receivables</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_InventoriesAbstract" xlink:label="glpg_InventoriesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_InventoriesAbstract" xlink:to="glpg_InventoriesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_InventoriesAbstract_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="glpg_InventoriesAbstract_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="glpg-20251231.xsd#glpg_TradeAndOtherReceivablesAndOtherCurrentAssets" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TradeAndOtherReceivablesAndOtherCurrentAssets" xlink:to="glpg_TradeAndOtherReceivablesAndOtherCurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade And Other Receivables And Other Current Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other receivables and other current assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TradeAndOtherReceivablesAndOtherCurrentAssetsExplanatoryTextBlock" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAssetsExplanatoryTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TradeAndOtherReceivablesAndOtherCurrentAssetsExplanatoryTextBlock" xlink:to="glpg_TradeAndOtherReceivablesAndOtherCurrentAssetsExplanatoryTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAssetsExplanatoryTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure of trade and other receivables and other current assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAssetsExplanatoryTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade And Other Receivables And Other Current Assets Explanatory [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAssetsExplanatoryTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other receivables and other current assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CurrentFinancialInvestmentsAbstract" xlink:label="glpg_CurrentFinancialInvestmentsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CurrentFinancialInvestmentsAbstract" xlink:to="glpg_CurrentFinancialInvestmentsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CurrentFinancialInvestmentsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Financial Investments [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CurrentFinancialInvestmentsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current financial investments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NonCurrentAndCurrentFinancialInvestmentsDisclosureTextBlock" xlink:label="glpg_NonCurrentAndCurrentFinancialInvestmentsDisclosureTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NonCurrentAndCurrentFinancialInvestmentsDisclosureTextBlock" xlink:to="glpg_NonCurrentAndCurrentFinancialInvestmentsDisclosureTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NonCurrentAndCurrentFinancialInvestmentsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure of non-current and current financial investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NonCurrentAndCurrentFinancialInvestmentsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current and current Financial Investments Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NonCurrentAndCurrentFinancialInvestmentsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current and current financial 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_CashAndCashEquivalentsAbstract" xlink:label="ifrs-full_CashAndCashEquivalentsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalentsAbstract" xlink:to="ifrs-full_CashAndCashEquivalentsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAndCashEquivalentsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CashAndCashEquivalentsExplanatoryTextBlock" xlink:label="glpg_CashAndCashEquivalentsExplanatoryTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CashAndCashEquivalentsExplanatoryTextBlock" xlink:to="glpg_CashAndCashEquivalentsExplanatoryTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CashAndCashEquivalentsExplanatoryTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure of cash and cash equivalents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CashAndCashEquivalentsExplanatoryTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash And Cash Equivalents Explanatory [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_CashAndCashEquivalentsExplanatoryTextBlock_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_DisclosureOfClassesOfShareCapitalAbstract" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_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_DisclosureOfClassesOfShareCapitalExplanatory" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of classes of share capital [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_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_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" 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_DeferredTaxAssetsAndLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax</label>
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    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TradeAndOtherLiabilitiesAndOtherNonCurrentLiabilitiesAbstract" xlink:label="glpg_TradeAndOtherLiabilitiesAndOtherNonCurrentLiabilitiesAbstract" 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="glpg_TradeAndOtherLiabilitiesAndOtherNonCurrentLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other liabilities and other non-current liabilities</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TradeAndOtherLiabilitiesOtherNonCurrentLiabilitiesAndProvisionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other liabilities other non current liabilities and provisions explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TradeAndOtherLiabilitiesOtherNonCurrentLiabilitiesAndProvisionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other liabilities, other non-current liabilities and 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_ProvisionsAbstract" xlink:label="ifrs-full_ProvisionsAbstract" 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_ProvisionsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">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_DisclosureOfProvisionsExplanatory" xlink:label="ifrs-full_DisclosureOfProvisionsExplanatory" 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_DisclosureOfProvisionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DeferredIncomeAbstract" xlink:label="glpg_DeferredIncomeAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DeferredIncomeAbstract" xlink:to="glpg_DeferredIncomeAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DeferredIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred income [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DeferredIncomeAbstract_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_DisclosureOfCashFlowStatementExplanatory" xlink:label="ifrs-full_DisclosureOfCashFlowStatementExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:to="ifrs-full_DisclosureOfCashFlowStatementExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfCashFlowStatementExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of cash flow statement [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfCashFlowStatementExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Note to the cash flow statement</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:to="ifrs-full_DisclosureOfContingentLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Off-balance sheet arrangements</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:label="ifrs-full_DisclosureOfCommitmentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:to="ifrs-full_DisclosureOfCommitmentsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfCommitmentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of commitments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfCommitmentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Off-balance sheet arrangements</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share based 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_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:to="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Warrants Plans [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share based 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_RelatedPartyTransactionsAbstract" xlink:label="ifrs-full_RelatedPartyTransactionsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RelatedPartyTransactionsAbstract" xlink:to="ifrs-full_RelatedPartyTransactionsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RelatedPartyTransactionsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">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_DisclosureOfRelatedPartyExplanatory" xlink:label="ifrs-full_DisclosureOfRelatedPartyExplanatory" 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_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/terseLabel" xlink:label="ifrs-full_DisclosureOfRelatedPartyExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">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_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" 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_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated companies as of December 31, 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_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" 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_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">Consolidated companies as of December 31, 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_DisclosureOfFinancialInstrumentsAbstract" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsAbstract" 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_DisclosureOfFinancialInstrumentsAbstract_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" />
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    <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_AuditorsRemunerationAbstract" xlink:label="ifrs-full_AuditorsRemunerationAbstract" 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_AuditorsRemunerationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Auditor's remuneration 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_DisclosureOfAuditorsRemunerationExplanatory" xlink:label="ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" 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_DisclosureOfAuditorsRemunerationExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Auditor's remuneration</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfEventsAfterReportingPeriodAbstract" xlink:label="glpg_DisclosureOfEventsAfterReportingPeriodAbstract" 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="glpg_DisclosureOfEventsAfterReportingPeriodAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of events after reporting period [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Events after balance sheet 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_NotesAndOtherExplanatoryInformationAbstract" xlink:label="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:to="ifrs-full_NotesAndOtherExplanatoryInformationAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DescriptionOfAccountingPolicyForBasisOfPresentationAndGoingConcernAssumptionPolicyTextBlock" xlink:to="glpg_DescriptionOfAccountingPolicyForBasisOfPresentationAndGoingConcernAssumptionPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DescriptionOfAccountingPolicyForBasisOfPresentationAndGoingConcernAssumptionPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The description of the entity's accounting policy for basis of presentation and going concern assumption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DescriptionOfAccountingPolicyForBasisOfPresentationAndGoingConcernAssumptionPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description Of Accounting Policy For Basis Of Presentation And Going Concern Assumption [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DescriptionOfAccountingPolicyForBasisOfPresentationAndGoingConcernAssumptionPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basis Of Presentation And Going Concern Assumption</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NewStandardsAndInterpretationsApplicableForAnnualPeriodPolicyTextBlock" xlink:label="glpg_NewStandardsAndInterpretationsApplicableForAnnualPeriodPolicyTextBlock" 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="glpg_NewStandardsAndInterpretationsApplicableForAnnualPeriodPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">New Standards and Interpretations Applicable for the Annual Period [policy text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NewStandardsAndInterpretationsApplicableForAnnualPeriodPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">New Standards and Interpretations Applicable for the Annual Period [policy text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NewStandardsAndInterpretationsApplicableForAnnualPeriodPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">New Standards and Interpretations Applicable for the Annual Period</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DescriptionOfAccountingPolicyForStandardsAndInterpretationsPublishedButNotYetApplicableForAnnualPeriodPolicyTextBlock" xlink:label="glpg_DescriptionOfAccountingPolicyForStandardsAndInterpretationsPublishedButNotYetApplicableForAnnualPeriodPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DescriptionOfAccountingPolicyForStandardsAndInterpretationsPublishedButNotYetApplicableForAnnualPeriodPolicyTextBlock" xlink:to="glpg_DescriptionOfAccountingPolicyForStandardsAndInterpretationsPublishedButNotYetApplicableForAnnualPeriodPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DescriptionOfAccountingPolicyForStandardsAndInterpretationsPublishedButNotYetApplicableForAnnualPeriodPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The description of the entity's accounting policy for standards and interpretations published but not yet applicable for the annual period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DescriptionOfAccountingPolicyForStandardsAndInterpretationsPublishedButNotYetApplicableForAnnualPeriodPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description Of Accounting Policy For Standards And Interpretations Published But Not Yet Applicable For The Annual Period [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DescriptionOfAccountingPolicyForStandardsAndInterpretationsPublishedButNotYetApplicableForAnnualPeriodPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Standards And Interpretations Published But Not Yet Applicable For The Annual 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_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for business combinations [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Business Combinations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <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/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible Assets Other Than 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_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_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <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="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="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_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <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">Taxation</label>
    <loc 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_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" 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_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/verboseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share-Based 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_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" 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_DescriptionOfAccountingPolicyForProvisionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for provisions [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ScheduleOfChangesInTransactionPrice" xlink:label="glpg_ScheduleOfChangesInTransactionPrice" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ScheduleOfChangesInTransactionPrice" xlink:to="glpg_ScheduleOfChangesInTransactionPrice_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ScheduleOfChangesInTransactionPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of changes in the transaction price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ScheduleOfChangesInTransactionPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule Of Changes In The Transaction Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ScheduleOfChangesInTransactionPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes in the transaction 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_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable" xlink:label="ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable" 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_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:label="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:to="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of general and administrative expense [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of general and administrative 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_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/verboseLabel" xlink:label="ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfRDIncentivesIncome" xlink:label="glpg_DisclosureOfRDIncentivesIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfRDIncentivesIncome" xlink:to="glpg_DisclosureOfRDIncentivesIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfRDIncentivesIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of R&amp;D Incentive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfRDIncentivesIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of R&amp;D Incentives Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfRDIncentivesIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of R&amp;D incentives income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfDetailedInformationAboutStaffCostsTableTextBlock" xlink:label="glpg_DisclosureOfDetailedInformationAboutStaffCostsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfDetailedInformationAboutStaffCostsTableTextBlock" xlink:to="glpg_DisclosureOfDetailedInformationAboutStaffCostsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfDetailedInformationAboutStaffCostsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of detailed information about staff costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfDetailedInformationAboutStaffCostsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Detailed Information About Staff Costs Table Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfDetailedInformationAboutStaffCostsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of Staff costs</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AverageNumberOfFteSOfContinuingOperations." xlink:label="glpg_AverageNumberOfFteSOfContinuingOperations." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AverageNumberOfFteSOfContinuingOperations." xlink:to="glpg_AverageNumberOfFteSOfContinuingOperations._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AverageNumberOfFteSOfContinuingOperations._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of average number of FTE's of our continuing operations during the years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AverageNumberOfFteSOfContinuingOperations._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Average Number Of FTE's Of Continuing Operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AverageNumberOfFteSOfContinuingOperations._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of average number of FTE's</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfEmployeesOfOurContinuingOperations." xlink:label="glpg_NumberOfEmployeesOfOurContinuingOperations." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfEmployeesOfOurContinuingOperations." xlink:to="glpg_NumberOfEmployeesOfOurContinuingOperations._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfEmployeesOfOurContinuingOperations._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of number of employees of our continuing operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfEmployeesOfOurContinuingOperations._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Employees Of Our Continuing Operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NumberOfEmployeesOfOurContinuingOperations._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of number of employees</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfFinanceIncomeExpenseTableTextBlock" xlink:label="glpg_DisclosureOfFinanceIncomeExpenseTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfFinanceIncomeExpenseTableTextBlock" xlink:to="glpg_DisclosureOfFinanceIncomeExpenseTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfFinanceIncomeExpenseTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The detailed disclosure of other financial income and expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfFinanceIncomeExpenseTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other financial income and expense</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfTaxRecognizedInProfitLossExplanatory" xlink:label="glpg_DisclosureOfTaxRecognizedInProfitLossExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfTaxRecognizedInProfitLossExplanatory" xlink:to="glpg_DisclosureOfTaxRecognizedInProfitLossExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfTaxRecognizedInProfitLossExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of taxes recognized in profit or loss.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfTaxRecognizedInProfitLossExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Tax Recognized In Profit Loss Explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfTaxRecognizedInProfitLossExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income tax recognized in profit or loss</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfTaxReconciliationToAccountingResultExplanatory" xlink:label="glpg_DisclosureOfTaxReconciliationToAccountingResultExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfTaxReconciliationToAccountingResultExplanatory" xlink:to="glpg_DisclosureOfTaxReconciliationToAccountingResultExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfTaxReconciliationToAccountingResultExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of tax reconciliation to the accounting result.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfTaxReconciliationToAccountingResultExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Tax Reconciliation To Accounting Result Explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfTaxReconciliationToAccountingResultExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax reconciled to the accounting result</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareExplanatory" xlink:label="ifrs-full_EarningsPerShareExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EarningsPerShareExplanatory" xlink:to="ifrs-full_EarningsPerShareExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EarningsPerShareExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earnings per share [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EarningsPerShareExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of income/loss 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_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 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_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reconciliation of changes in intangible assets and goodwill [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule 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_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about property, plant and equipment [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of property, plant and equipment fully owned.</label>
    <loc 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" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInPropertyPlantAndEquipmentIncludingRightofuseAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInPropertyPlantAndEquipmentIncludingRightofuseAssetsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <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 including right of use assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfDetailedInformationAboutEquityInstruments." xlink:label="glpg_DisclosureOfDetailedInformationAboutEquityInstruments." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfDetailedInformationAboutEquityInstruments." xlink:to="glpg_DisclosureOfDetailedInformationAboutEquityInstruments._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfDetailedInformationAboutEquityInstruments._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of detailed information about equity instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfDetailedInformationAboutEquityInstruments._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Detailed Information About Equity Instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfDetailedInformationAboutEquityInstruments._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of equity investments.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ScheduleOfConvertibleLoan" xlink:label="glpg_ScheduleOfConvertibleLoan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ScheduleOfConvertibleLoan" xlink:to="glpg_ScheduleOfConvertibleLoan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ScheduleOfConvertibleLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of detailed information about schedule of convertible loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ScheduleOfConvertibleLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule Of Convertible Loan</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfDetailedInformationAboutOtherNoncurrentAssetsTableTextBlock" xlink:label="glpg_DisclosureOfDetailedInformationAboutOtherNoncurrentAssetsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfDetailedInformationAboutOtherNoncurrentAssetsTableTextBlock" xlink:to="glpg_DisclosureOfDetailedInformationAboutOtherNoncurrentAssetsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfDetailedInformationAboutOtherNoncurrentAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of detailed information about other non-current assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfDetailedInformationAboutOtherNoncurrentAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about other noncurrent assets [table text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfDetailedInformationAboutOtherNoncurrentAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other non-current assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfClassificationsOfResearchAndDevelopmentIncentivesReceivablesTableTextBlock" xlink:label="glpg_DisclosureOfClassificationsOfResearchAndDevelopmentIncentivesReceivablesTableTextBlock" 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="glpg_DisclosureOfClassificationsOfResearchAndDevelopmentIncentivesReceivablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of the classifications of Research and Development incentives receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfClassificationsOfResearchAndDevelopmentIncentivesReceivablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of classifications of Research and Development incentives receivables [table text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfClassificationsOfResearchAndDevelopmentIncentivesReceivablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of the classifications of R&amp;D incentives receivables</label>
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    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_InventoriesTableTextBlock" xlink:label="glpg_InventoriesTableTextBlock" 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="glpg_InventoriesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_InventoriesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of inventories</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfTradeAndOtherReceivablesAndOtherCurrentAssetsTextBlock" xlink:label="glpg_DisclosureOfTradeAndOtherReceivablesAndOtherCurrentAssetsTextBlock" 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="glpg_DisclosureOfTradeAndOtherReceivablesAndOtherCurrentAssetsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of trade and other receivables and other current assets. [Refer: Trade and other receivables]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfTradeAndOtherReceivablesAndOtherCurrentAssetsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of trade and other receivables and other current assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfNonCurrentFinancialInvestmentsTableTextBlock" xlink:label="glpg_DisclosureOfNonCurrentFinancialInvestmentsTableTextBlock" 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="glpg_DisclosureOfNonCurrentFinancialInvestmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure for non-current financial investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfNonCurrentFinancialInvestmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Non-current Financial Investments [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfNonCurrentFinancialInvestmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of non-current financial investments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfCurrentFinancialInvestmentsTableTextBlock" xlink:label="glpg_DisclosureOfCurrentFinancialInvestmentsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfCurrentFinancialInvestmentsTableTextBlock" xlink:to="glpg_DisclosureOfCurrentFinancialInvestmentsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfCurrentFinancialInvestmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure for current financial investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfCurrentFinancialInvestmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Current Financial Investments [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfCurrentFinancialInvestmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of current financial 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_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:label="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:to="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure 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_DisclosureOfCashAndCashEquivalentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfReconciliationOfShareCapitalTableTextBlock" xlink:label="glpg_DisclosureOfReconciliationOfShareCapitalTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfReconciliationOfShareCapitalTableTextBlock" xlink:to="glpg_DisclosureOfReconciliationOfShareCapitalTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfReconciliationOfShareCapitalTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of reconciliation to share capital on the balance sheet.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfReconciliationOfShareCapitalTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Reconciliation of Share Capital [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfReconciliationOfShareCapitalTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of reconciliation 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_DisclosureOfIssuedCapitalExplanatory" xlink:label="ifrs-full_DisclosureOfIssuedCapitalExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIssuedCapitalExplanatory" xlink:to="ifrs-full_DisclosureOfIssuedCapitalExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIssuedCapitalExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of issued capital [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfIssuedCapitalExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of history of the share capital</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfSummaryOfCapitalIncreasesTableTextBlock" xlink:label="glpg_DisclosureOfSummaryOfCapitalIncreasesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfSummaryOfCapitalIncreasesTableTextBlock" xlink:to="glpg_DisclosureOfSummaryOfCapitalIncreasesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfSummaryOfCapitalIncreasesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of summary of capital increases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfSummaryOfCapitalIncreasesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Summary of Capital Increases [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfSummaryOfCapitalIncreasesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of capital increases</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfMovementsInDeferredTaxAssetsAndDeferredTaxLiabilities" xlink:label="glpg_DisclosureOfMovementsInDeferredTaxAssetsAndDeferredTaxLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfMovementsInDeferredTaxAssetsAndDeferredTaxLiabilities" xlink:to="glpg_DisclosureOfMovementsInDeferredTaxAssetsAndDeferredTaxLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfMovementsInDeferredTaxAssetsAndDeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of movements in deferred tax assets and deferred tax liabilities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfMovementsInDeferredTaxAssetsAndDeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Movements In Deferred Tax Assets And Deferred Tax Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfMovementsInDeferredTaxAssetsAndDeferredTaxLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Movements in deferred tax assets and 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_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">Lease liabilities</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_LesseeLeaseLiabilitiesTableTextBlock" xlink:label="glpg_LesseeLeaseLiabilitiesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_LesseeLeaseLiabilitiesTableTextBlock" xlink:to="glpg_LesseeLeaseLiabilitiesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_LesseeLeaseLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of lease liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_LesseeLeaseLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lessee Lease Liabilities [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_LesseeLeaseLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of 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_DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory" xlink:label="ifrs-full_DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory" xlink:to="ifrs-full_DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of accrued expenses and other liabilities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of trade and other liabilities and 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_DisclosureOfOtherProvisionsExplanatory" xlink:label="ifrs-full_DisclosureOfOtherProvisionsExplanatory" 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_DisclosureOfOtherProvisionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other provisions [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherProvisionsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Provisions</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfMovementInNonCurrentAndCurrentDeferredIncomeTableTextBlock" xlink:label="glpg_DisclosureOfMovementInNonCurrentAndCurrentDeferredIncomeTableTextBlock" 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="glpg_DisclosureOfMovementInNonCurrentAndCurrentDeferredIncomeTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of movement in the non-current and current deferred income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfMovementInNonCurrentAndCurrentDeferredIncomeTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Movement In Non-current And Current Deferred Income [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfMovementInNonCurrentAndCurrentDeferredIncomeTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of movement in the non-current and current deferred income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentsRelatedToOperatingCashFlowTableTextBlock" xlink:label="glpg_AdjustmentsRelatedToOperatingCashFlowTableTextBlock" 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="glpg_AdjustmentsRelatedToOperatingCashFlowTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments related to operating cash flow.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdjustmentsRelatedToOperatingCashFlowTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments related to operating cash flow [Table text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AdjustmentsRelatedToOperatingCashFlowTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments related to operating cash flow</label>
    <loc 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" />
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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_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" 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_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" 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_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" />
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    <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="glpg-20251231.xsd#glpg_SubscriptionRightsMember" xlink:label="glpg_SubscriptionRightsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightsMember" xlink:to="glpg_SubscriptionRightsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Rights [Member].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription rights</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsRestrictedStockUnitsRsusMember" xlink:label="glpg_IfrsRestrictedStockUnitsRsusMember" 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="glpg_IfrsRestrictedStockUnitsRsusMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Units (RSUs)</label>
    <loc 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" />
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    <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">Subscription rights plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share based payments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ScheduleOfSubscriptionRightsTableTextBlock" xlink:label="glpg_ScheduleOfSubscriptionRightsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ScheduleOfSubscriptionRightsTableTextBlock" xlink:to="glpg_ScheduleOfSubscriptionRightsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ScheduleOfSubscriptionRightsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of Subscription Rights exercisable, per issued plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ScheduleOfSubscriptionRightsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Subscription Rights [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ScheduleOfSubscriptionRightsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Subscription Rights exercisable</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsPerPlanTableTextBlock" xlink:label="glpg_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsPerPlanTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsPerPlanTableTextBlock" xlink:to="glpg_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsPerPlanTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsPerPlanTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of the number and weighted average exercise prices of other equity instruments for each plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsPerPlanTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Number and Weighted Average Exercise Prices of Other Equity Instruments, Per Plan [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsPerPlanTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of summary of other equity instruments outstanding and exercisable per plan</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory" xlink:label="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory" 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_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of indirect measurement of fair value of goods or services received, other equity instruments granted during period [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of inputs into the valuation of the other equity instruments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfOtherEquityInstrumentsOutstandingTextBlock" xlink:label="glpg_DisclosureOfOtherEquityInstrumentsOutstandingTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfOtherEquityInstrumentsOutstandingTextBlock" xlink:to="glpg_DisclosureOfOtherEquityInstrumentsOutstandingTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfOtherEquityInstrumentsOutstandingTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity instruments outstanding.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfOtherEquityInstrumentsOutstandingTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other equity instruments Outstanding [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfOtherEquityInstrumentsOutstandingTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">RSUs outstanding</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfNumberOfOtherEquityInstrumentsByCategory" xlink:label="glpg_DisclosureOfNumberOfOtherEquityInstrumentsByCategory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfNumberOfOtherEquityInstrumentsByCategory" xlink:to="glpg_DisclosureOfNumberOfOtherEquityInstrumentsByCategory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfNumberOfOtherEquityInstrumentsByCategory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of the number of other equity instruments for each category.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfNumberOfOtherEquityInstrumentsByCategory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Number Of Other Equity Instruments, By Category</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfNumberOfOtherEquityInstrumentsByCategory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of summary of other equity instruments outstanding by 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_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" 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_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">Summary of transactions with related party</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesExplanatory" xlink:label="ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesExplanatory" 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_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of remuneration package of the members of key management personnel</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfVotingInterestInSubsidiariesTableTextBlock" xlink:label="glpg_DisclosureOfVotingInterestInSubsidiariesTableTextBlock" 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="glpg_DisclosureOfVotingInterestInSubsidiariesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Voting Interest in Subsidiaries [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DisclosureOfVotingInterestInSubsidiariesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of voting rights in consolidated 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_DisclosureOfFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsTable" 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_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_TypesOfRisksAxis" xlink:label="ifrs-full_TypesOfRisksAxis" 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_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" />
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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_CurrencyRiskMember" xlink:label="ifrs-full_CurrencyRiskMember" 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_CurrencyRiskMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign exchange 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_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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_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_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of fair value of financial instruments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of categories of material financial 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_DisclosureOfCreditRiskExposureExplanatory" xlink:label="ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:to="ifrs-full_DisclosureOfCreditRiskExposureExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfCreditRiskExposureExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of credit risk exposure [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfCreditRiskExposureExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of aging balance 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_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:label="ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:to="ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sensitivity analysis for types of market risk [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of sensitivity of exchange 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_NumberOfEmployees" xlink:label="ifrs-full_NumberOfEmployees" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfEmployees" xlink:to="ifrs-full_NumberOfEmployees_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfEmployees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of employees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfEmployees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of employees</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PercentageOfReductionInEmployeesAcrossBelgiumAndFrance" xlink:label="glpg_PercentageOfReductionInEmployeesAcrossBelgiumAndFrance" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageOfReductionInEmployeesAcrossBelgiumAndFrance" xlink:to="glpg_PercentageOfReductionInEmployeesAcrossBelgiumAndFrance_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PercentageOfReductionInEmployeesAcrossBelgiumAndFrance_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of reduction in employees across Belgium and France.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PercentageOfReductionInEmployeesAcrossBelgiumAndFrance_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of reduction in employees across Belgium and France</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SummaryOfSignificantTransactionTable" xlink:label="glpg_SummaryOfSignificantTransactionTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SummaryOfSignificantTransactionTable" xlink:to="glpg_SummaryOfSignificantTransactionTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SummaryOfSignificantTransactionTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule disclosing information related to summary of significant transaction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SummaryOfSignificantTransactionTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary Of Significant Transaction [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_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="glpg-20251231.xsd#glpg_AssetsRelatedToSmallMoleculeMember" xlink:label="glpg_AssetsRelatedToSmallMoleculeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AssetsRelatedToSmallMoleculeMember" xlink:to="glpg_AssetsRelatedToSmallMoleculeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AssetsRelatedToSmallMoleculeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Assets Related To Small Molecule</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AssetsRelatedToSmallMoleculeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets Related To Small Molecule [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AssetsRelatedToSmallMoleculeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Small molecules activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_AssetsRelatedToSmallMoleculeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Small molecules business</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CellTherapyBusinessAssociatedAssetsMember" xlink:label="glpg_CellTherapyBusinessAssociatedAssetsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CellTherapyBusinessAssociatedAssetsMember" xlink:to="glpg_CellTherapyBusinessAssociatedAssetsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CellTherapyBusinessAssociatedAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for cell therapy business associated assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CellTherapyBusinessAssociatedAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cell Therapy Business Associated Assets [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_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="glpg-20251231.xsd#glpg_CellPointAcquisitionMember" xlink:label="glpg_CellPointAcquisitionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CellPointAcquisitionMember" xlink:to="glpg_CellPointAcquisitionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CellPointAcquisitionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for cell point acquisition.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CellPointAcquisitionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cell Point Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CellPointAcquisitionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cell Point Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_CellPointAcquisitionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Former owners of cell point</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CellPointAndAbountbioMember" xlink:label="glpg_CellPointAndAbountbioMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CellPointAndAbountbioMember" xlink:to="glpg_CellPointAndAbountbioMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CellPointAndAbountbioMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for cell point and AboundBio.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CellPointAndAbountbioMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cell Point and AbountBio [Member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SummaryOfSignificantTransactionLineItems" xlink:label="glpg_SummaryOfSignificantTransactionLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SummaryOfSignificantTransactionLineItems" xlink:to="glpg_SummaryOfSignificantTransactionLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SummaryOfSignificantTransactionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items represent summary of significant transaction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SummaryOfSignificantTransactionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary Of Significant Transaction [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SummaryOfSignificantTransactionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of significant transaction</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfPubliclyTradeEntitiesTraded" xlink:label="glpg_NumberOfPubliclyTradeEntitiesTraded" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfPubliclyTradeEntitiesTraded" xlink:to="glpg_NumberOfPubliclyTradeEntitiesTraded_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfPubliclyTradeEntitiesTraded_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the Number Of Publicly Trade Entities Traded</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfPubliclyTradeEntitiesTraded_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Publicly Trade Entities Traded</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfReductionInPositions" xlink:label="glpg_NumberOfReductionInPositions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfReductionInPositions" xlink:to="glpg_NumberOfReductionInPositions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfReductionInPositions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of reduction in positions across the organization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfReductionInPositions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Reduction In Positions</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CostForStrategicReorganizationAndSeparation" xlink:label="glpg_CostForStrategicReorganizationAndSeparation" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CostForStrategicReorganizationAndSeparation" xlink:to="glpg_CostForStrategicReorganizationAndSeparation_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CostForStrategicReorganizationAndSeparation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cost for strategic reorganization and separation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CostForStrategicReorganizationAndSeparation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost for strategic reorganization and separation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TerminationBenefitsExpense" xlink:label="ifrs-full_TerminationBenefitsExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TerminationBenefitsExpense" xlink:to="ifrs-full_TerminationBenefitsExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TerminationBenefitsExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Termination benefits expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TerminationBenefitsExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Severance costs</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CostForEarlyTerminationOfCollaborations" xlink:label="glpg_CostForEarlyTerminationOfCollaborations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CostForEarlyTerminationOfCollaborations" xlink:to="glpg_CostForEarlyTerminationOfCollaborations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CostForEarlyTerminationOfCollaborations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of expense for early termination of collaborations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CostForEarlyTerminationOfCollaborations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost for early termination of collaborations</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DealCost" xlink:label="glpg_DealCost" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DealCost" xlink:to="glpg_DealCost_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DealCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of cost incurred as a result of this deal.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DealCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deal Cost</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AcceleratedNonCashCostRecognitionForSubscriptionRight" xlink:label="glpg_AcceleratedNonCashCostRecognitionForSubscriptionRight" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AcceleratedNonCashCostRecognitionForSubscriptionRight" xlink:to="glpg_AcceleratedNonCashCostRecognitionForSubscriptionRight_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AcceleratedNonCashCostRecognitionForSubscriptionRight_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accelerated non cash cost recognition for subscription right</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AcceleratedNonCashCostRecognitionForSubscriptionRight_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accelerated non cash cost recognition for subscription right</label>
    <loc 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/2009/role/negatedLabel" xlink:label="ifrs-full_DeferredTaxExpenseIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_DeferredTaxExpenseIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TotalPreTaxEffectOfWinddown" xlink:label="glpg_TotalPreTaxEffectOfWinddown" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TotalPreTaxEffectOfWinddown" xlink:to="glpg_TotalPreTaxEffectOfWinddown_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TotalPreTaxEffectOfWinddown_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The total pre tax amount of Winddown.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TotalPreTaxEffectOfWinddown_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Pre Tax Effect Of Winddown</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ProvisionForEarlyTerminationOfCollobaration" xlink:label="glpg_ProvisionForEarlyTerminationOfCollobaration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ProvisionForEarlyTerminationOfCollobaration" xlink:to="glpg_ProvisionForEarlyTerminationOfCollobaration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ProvisionForEarlyTerminationOfCollobaration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of provision for early termination of collaboration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ProvisionForEarlyTerminationOfCollobaration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">provision for early termination of collobaration</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GainOnFairValueAdjustmentOnContingentConsiderationPayable." xlink:label="glpg_GainOnFairValueAdjustmentOnContingentConsiderationPayable." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GainOnFairValueAdjustmentOnContingentConsiderationPayable." xlink:to="glpg_GainOnFairValueAdjustmentOnContingentConsiderationPayable._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GainOnFairValueAdjustmentOnContingentConsiderationPayable._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of gain on Fair value Adjustment of Contingent consideration Payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GainOnFairValueAdjustmentOnContingentConsiderationPayable._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain On Fair Value adjustment on the contingent consideration payable.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContingentConsideration" xlink:label="glpg_ContingentConsideration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContingentConsideration" xlink:to="glpg_ContingentConsideration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of contingent consideration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContingentConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent 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_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod" xlink:label="ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod" xlink:to="ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue that was included in contract liability balance at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred income released</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">revenue released.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_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/2003/role/terseLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss recorded for assets transferred to Onco3R Therapeutics</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">impairment loss</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_JyselecaBusinessClassifiedAsHeldForSaleMember" xlink:label="glpg_JyselecaBusinessClassifiedAsHeldForSaleMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_JyselecaBusinessClassifiedAsHeldForSaleMember" xlink:to="glpg_JyselecaBusinessClassifiedAsHeldForSaleMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_JyselecaBusinessClassifiedAsHeldForSaleMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Jyseleca business, classified as held for sale.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_JyselecaBusinessClassifiedAsHeldForSaleMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Jyseleca Business, Classified As Held For Sale [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_JyselecaBusinessClassifiedAsHeldForSaleMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Jyseleca business, classified as held for sale</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfPositionsAgreedToTransfer" xlink:label="glpg_NumberOfPositionsAgreedToTransfer" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfPositionsAgreedToTransfer" xlink:to="glpg_NumberOfPositionsAgreedToTransfer_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfPositionsAgreedToTransfer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of positions agreed to transfer, pursuant to an arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfPositionsAgreedToTransfer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Positions Agreed To Transfer</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NumberOfPositionsAgreedToTransfer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of positions in European countries agreed to transfer</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfEuropeanCountriesInWhichPositionsHasBeenAgreedToTransfer" xlink:label="glpg_NumberOfEuropeanCountriesInWhichPositionsHasBeenAgreedToTransfer" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfEuropeanCountriesInWhichPositionsHasBeenAgreedToTransfer" xlink:to="glpg_NumberOfEuropeanCountriesInWhichPositionsHasBeenAgreedToTransfer_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfEuropeanCountriesInWhichPositionsHasBeenAgreedToTransfer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of European countries agreed in which positions has been agreed to transfer, pursuant to an arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfEuropeanCountriesInWhichPositionsHasBeenAgreedToTransfer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of European Countries In Which Positions Has Been Agreed To Transfer</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NumberOfEuropeanCountriesInWhichPositionsHasBeenAgreedToTransfer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of European countries in which positions has been agreed to transfer</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_UpfrontPaymentReceived" xlink:label="glpg_UpfrontPaymentReceived" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_UpfrontPaymentReceived" xlink:to="glpg_UpfrontPaymentReceived_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_UpfrontPaymentReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of cash inflow received as upfront payment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_UpfrontPaymentReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront Payment Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_UpfrontPaymentReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront payment received</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_UpfrontPaymentsReceivable" xlink:label="glpg_UpfrontPaymentsReceivable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_UpfrontPaymentsReceivable" xlink:to="glpg_UpfrontPaymentsReceivable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_UpfrontPaymentsReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of upfront payments receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_UpfrontPaymentsReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront Payments Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_UpfrontPaymentsReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Potential Milestone Payments to receive</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_UpfrontPaymentsReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Potential Sales Based Milestones To Receive.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsTypeOfArrangementAxis" xlink:label="glpg_IfrsTypeOfArrangementAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsTypeOfArrangementAxis" xlink:to="glpg_IfrsTypeOfArrangementAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsTypeOfArrangementAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by category of arrangement, including but not limited to collaborative arrangements and non-collaborative arrangements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsTypeOfArrangementAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ifrs Type Of Arrangement [Axis]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsTypeOfArrangementDomain" xlink:label="glpg_IfrsTypeOfArrangementDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsTypeOfArrangementDomain" xlink:to="glpg_IfrsTypeOfArrangementDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsTypeOfArrangementDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ifrs type of arrangement [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsTypeOfArrangementDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ifrs type of arrangement [domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GileadCollaborationAgreementMember" xlink:label="glpg_GileadCollaborationAgreementMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GileadCollaborationAgreementMember" xlink:to="glpg_GileadCollaborationAgreementMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GileadCollaborationAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to collaboration agreement with Gilead.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GileadCollaborationAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead Collaboration Agreement [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_GileadCollaborationAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead collaboration 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_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="glpg-20251231.xsd#glpg_FilgotinibDrugLicenseMember" xlink:label="glpg_FilgotinibDrugLicenseMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FilgotinibDrugLicenseMember" xlink:to="glpg_FilgotinibDrugLicenseMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FilgotinibDrugLicenseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for filgotinib drug license.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FilgotinibDrugLicenseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Filgotinib drug license</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsScenarioAxis" xlink:label="glpg_IfrsScenarioAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsScenarioAxis" xlink:to="glpg_IfrsScenarioAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsScenarioAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by scenario to be reported. Scenarios distinguish among different kinds of business reporting facts, as for example actual versus budgeted figures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsScenarioAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Scenario [Axis]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsScenarioUnspecifiedDomain" xlink:label="glpg_IfrsScenarioUnspecifiedDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsScenarioUnspecifiedDomain" xlink:to="glpg_IfrsScenarioUnspecifiedDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsScenarioUnspecifiedDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Any scenario, that is, the particular reporting scenario is left unspecified. Scenarios distinguish among different kinds of business reporting facts, as for example actual versus budgeted figures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsScenarioUnspecifiedDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Scenario, Unspecified [Domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OriginalAgreementScenarioMember" xlink:label="glpg_OriginalAgreementScenarioMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OriginalAgreementScenarioMember" xlink:to="glpg_OriginalAgreementScenarioMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OriginalAgreementScenarioMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Original Agreement Scenario [member].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OriginalAgreementScenarioMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Original Agreement</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FirstRevisedAgreementMember" xlink:label="glpg_FirstRevisedAgreementMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FirstRevisedAgreementMember" xlink:to="glpg_FirstRevisedAgreementMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FirstRevisedAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">First Revised Agreement [member].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FirstRevisedAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">First Revised 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_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="glpg-20251231.xsd#glpg_GileadMember" xlink:label="glpg_GileadMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GileadMember" xlink:to="glpg_GileadMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GileadMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the entity's major customer, Gilead.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GileadMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-adjusting events after reporting period [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_NonadjustingEventsAfterReportingPeriodDomain" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-adjusting events after reporting period [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_AnnouncingOrCommencingImplementationOfMajorRestructuringMember" xlink:label="ifrs-full_AnnouncingOrCommencingImplementationOfMajorRestructuringMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AnnouncingOrCommencingImplementationOfMajorRestructuringMember" xlink:to="ifrs-full_AnnouncingOrCommencingImplementationOfMajorRestructuringMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AnnouncingOrCommencingImplementationOfMajorRestructuringMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Announcing or commencing implementation of major restructuring [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AnnouncingOrCommencingImplementationOfMajorRestructuringMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Spin-off</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AnnouncingOrCommencingImplementationOfMajorRestructuringMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Negotiation settlement</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityInstrumentsHeld" xlink:label="ifrs-full_EquityInstrumentsHeld" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityInstrumentsHeld" xlink:to="ifrs-full_EquityInstrumentsHeld_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityInstrumentsHeld_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity instruments held</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_EquityInstrumentsHeld_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance as at December 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_EquityInstrumentsHeld_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance as at January 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_EquityInstrumentsHeld_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity Investment from Gilead.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CostShareForGlobalDevelopmentActivities" xlink:label="glpg_CostShareForGlobalDevelopmentActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CostShareForGlobalDevelopmentActivities" xlink:to="glpg_CostShareForGlobalDevelopmentActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CostShareForGlobalDevelopmentActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">It represents the cost share mechanism for the future development activities, development and sales milestones and royalties.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CostShareForGlobalDevelopmentActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost Share For Global Development Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CostShareForGlobalDevelopmentActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost share mechanism</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfPerformanceObligations" xlink:label="glpg_NumberOfPerformanceObligations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfPerformanceObligations" xlink:to="glpg_NumberOfPerformanceObligations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfPerformanceObligations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of performance obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfPerformanceObligations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Performance Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NumberOfPerformanceObligations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of performance obligations</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfEntitiesFollowingSpinOff" xlink:label="glpg_NumberOfEntitiesFollowingSpinOff" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfEntitiesFollowingSpinOff" xlink:to="glpg_NumberOfEntitiesFollowingSpinOff_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfEntitiesFollowingSpinOff_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of entities following intended separation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfEntitiesFollowingSpinOff_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Entities Following Spin Off</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GileadCollaborationAgreementForDrugDiscoveryPlatformMember" xlink:label="glpg_GileadCollaborationAgreementForDrugDiscoveryPlatformMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GileadCollaborationAgreementForDrugDiscoveryPlatformMember" xlink:to="glpg_GileadCollaborationAgreementForDrugDiscoveryPlatformMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GileadCollaborationAgreementForDrugDiscoveryPlatformMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to collaboration agreement for drug discovery platform.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GileadCollaborationAgreementForDrugDiscoveryPlatformMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead collaboration agreement for drug discovery platform</label>
    <loc 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>
    <loc 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="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_ForeignCountriesMember" xlink:label="ifrs-full_ForeignCountriesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ForeignCountriesMember" xlink:to="ifrs-full_ForeignCountriesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ForeignCountriesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Outside Europe</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ProgramsOptionRightSharingPeriod" xlink:label="glpg_ProgramsOptionRightSharingPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ProgramsOptionRightSharingPeriod" xlink:to="glpg_ProgramsOptionRightSharingPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ProgramsOptionRightSharingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The period for which Gilead will maintain option rights to the company's program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ProgramsOptionRightSharingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Programs Option Right Sharing Period</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OptInPaymentsToBeReceivedForEachProgramCollaborationOpted" xlink:label="glpg_OptInPaymentsToBeReceivedForEachProgramCollaborationOpted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OptInPaymentsToBeReceivedForEachProgramCollaborationOpted" xlink:to="glpg_OptInPaymentsToBeReceivedForEachProgramCollaborationOpted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OptInPaymentsToBeReceivedForEachProgramCollaborationOpted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of opt-in payments to be received for each program collaboration opted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OptInPaymentsToBeReceivedForEachProgramCollaborationOpted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Opt-In Payments to be Received for Each program collaboration Opted</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TieredRoyaltiesPercentageOnNetSales" xlink:label="glpg_TieredRoyaltiesPercentageOnNetSales" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TieredRoyaltiesPercentageOnNetSales" xlink:to="glpg_TieredRoyaltiesPercentageOnNetSales_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TieredRoyaltiesPercentageOnNetSales_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of tiered royalties percentage on sales.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TieredRoyaltiesPercentageOnNetSales_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tiered Royalties Percentage on Net 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_TypesOfContractsAxis" xlink:label="ifrs-full_TypesOfContractsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfContractsAxis" xlink:to="ifrs-full_TypesOfContractsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfContractsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of contracts [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_TypesOfContractsDomain" xlink:label="ifrs-full_TypesOfContractsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfContractsDomain" xlink:to="ifrs-full_TypesOfContractsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfContractsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of contracts [domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GroupBActivitiesMember" xlink:label="glpg_GroupBActivitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GroupBActivitiesMember" xlink:to="glpg_GroupBActivitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GroupBActivitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">It represents group b activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GroupBActivitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Group B activities [Member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_EuropeMember" xlink:label="srt_EuropeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_EuropeMember" xlink:to="srt_EuropeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_EuropeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Europe</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PercentageOfFutureNetSalesFrom2024" xlink:label="glpg_PercentageOfFutureNetSalesFrom2024" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageOfFutureNetSalesFrom2024" xlink:to="glpg_PercentageOfFutureNetSalesFrom2024_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PercentageOfFutureNetSalesFrom2024_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of the entity's net sales in future years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PercentageOfFutureNetSalesFrom2024_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of future net sales from 2024</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TotalAmountsReceivedFromGileadInPreviousYears" xlink:label="glpg_TotalAmountsReceivedFromGileadInPreviousYears" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TotalAmountsReceivedFromGileadInPreviousYears" xlink:to="glpg_TotalAmountsReceivedFromGileadInPreviousYears_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TotalAmountsReceivedFromGileadInPreviousYears_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The total amount received from Gilead in previous years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TotalAmountsReceivedFromGileadInPreviousYears_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Amounts Received From Gilead In Previous Years</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CostShareForGlobalDevelopmentActivitiesTerminated" xlink:label="glpg_CostShareForGlobalDevelopmentActivitiesTerminated" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CostShareForGlobalDevelopmentActivitiesTerminated" xlink:to="glpg_CostShareForGlobalDevelopmentActivitiesTerminated_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CostShareForGlobalDevelopmentActivitiesTerminated_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">It represents the cost share mechanism for the future development activities, development and sales milestones and royalties that was terminated.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CostShareForGlobalDevelopmentActivitiesTerminated_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost Share For Global Development Activities Terminated</label>
    <loc 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_WarrantsMember" xlink:label="ifrs-full_WarrantsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WarrantsMember" xlink:to="ifrs-full_WarrantsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WarrantsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WarrantsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrant A</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WarrantsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrant B</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ArithmeticMean30DayDailyVolumeWeightedAverageTradingPriceOfEntityMultiplierExercisePricePerShare" xlink:label="glpg_ArithmeticMean30DayDailyVolumeWeightedAverageTradingPriceOfEntityMultiplierExercisePricePerShare" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ArithmeticMean30DayDailyVolumeWeightedAverageTradingPriceOfEntityMultiplierExercisePricePerShare" xlink:to="glpg_ArithmeticMean30DayDailyVolumeWeightedAverageTradingPriceOfEntityMultiplierExercisePricePerShare_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ArithmeticMean30DayDailyVolumeWeightedAverageTradingPriceOfEntityMultiplierExercisePricePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Arithmetic Mean 30 Day Daily Volume Weighted Average Trading Price of Entity, Multiplier, Exercise Price Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ArithmeticMean30DayDailyVolumeWeightedAverageTradingPriceOfEntityMultiplierExercisePricePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Arithmetic Mean 30 Day Daily Volume Weighted Average Trading Price of Entity, Multiplier, Exercise Price Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ArithmeticMean30DayDailyVolumeWeightedAverageTradingPriceOfEntityMultiplierExercisePricePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Multiplier used to calculate exercise price per share</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_InitialWarrantTerm" xlink:label="glpg_InitialWarrantTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_InitialWarrantTerm" xlink:to="glpg_InitialWarrantTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_InitialWarrantTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the initial term of the warrant.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_InitialWarrantTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Initial Warrant Term</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_WeightedAverageSharePriceCalculatedPeriod" xlink:label="glpg_WeightedAverageSharePriceCalculatedPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_WeightedAverageSharePriceCalculatedPeriod" xlink:to="glpg_WeightedAverageSharePriceCalculatedPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_WeightedAverageSharePriceCalculatedPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The period of volume taken as base for calculation of weighted average share price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_WeightedAverageSharePriceCalculatedPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average Share Price Calculated Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_WeightedAverageSharePriceCalculatedPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Volume of days</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercised during the period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Average exercise price warrants</label>
    <loc 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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Value of warrant B</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ShareHoldingPercentage" xlink:label="glpg_ShareHoldingPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ShareHoldingPercentage" xlink:to="glpg_ShareHoldingPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ShareHoldingPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The shareholding percentage of Gilead.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ShareHoldingPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Holding Percentage</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfDirectorsRepresentedAsBoardOfDirectors" xlink:label="glpg_NumberOfDirectorsRepresentedAsBoardOfDirectors" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfDirectorsRepresentedAsBoardOfDirectors" xlink:to="glpg_NumberOfDirectorsRepresentedAsBoardOfDirectors_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfDirectorsRepresentedAsBoardOfDirectors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of directors represented or appointed as board of directors.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfDirectorsRepresentedAsBoardOfDirectors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Directors Represented as Board of Directors</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NumberOfDirectorsRepresentedAsBoardOfDirectors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of directors represented as board members</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PercentageOfOwnershipFollowingApprovalByEgm" xlink:label="glpg_PercentageOfOwnershipFollowingApprovalByEgm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageOfOwnershipFollowingApprovalByEgm" xlink:to="glpg_PercentageOfOwnershipFollowingApprovalByEgm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PercentageOfOwnershipFollowingApprovalByEgm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The Percentage Of Ownership Following Approval By Extraordinary General Meeting Of Shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PercentageOfOwnershipFollowingApprovalByEgm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Ownership Following Approval By EGM</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CollaborationAgreementForDrugDiscoveryPlatformMember" xlink:label="glpg_CollaborationAgreementForDrugDiscoveryPlatformMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CollaborationAgreementForDrugDiscoveryPlatformMember" xlink:to="glpg_CollaborationAgreementForDrugDiscoveryPlatformMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CollaborationAgreementForDrugDiscoveryPlatformMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Collaboration Agreement For Drug Discovery Platform.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CollaborationAgreementForDrugDiscoveryPlatformMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaboration agreement for drug discovery platform</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PerformanceObligationsAxis" xlink:label="ifrs-full_PerformanceObligationsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PerformanceObligationsAxis" xlink:to="ifrs-full_PerformanceObligationsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PerformanceObligationsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Performance obligations [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_PerformanceObligationsDomain" xlink:label="ifrs-full_PerformanceObligationsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PerformanceObligationsDomain" xlink:to="ifrs-full_PerformanceObligationsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PerformanceObligationsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Performance obligations [domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FilgotinibPerformanceObligationMember" xlink:label="glpg_FilgotinibPerformanceObligationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FilgotinibPerformanceObligationMember" xlink:to="glpg_FilgotinibPerformanceObligationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FilgotinibPerformanceObligationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Filgotinib Performance Obligation Member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FilgotinibPerformanceObligationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Filgotinib Performance Obligation Member</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GileadCollaborationAgreementForZiritaxestatMember" xlink:label="glpg_GileadCollaborationAgreementForZiritaxestatMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GileadCollaborationAgreementForZiritaxestatMember" xlink:to="glpg_GileadCollaborationAgreementForZiritaxestatMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GileadCollaborationAgreementForZiritaxestatMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead Collaboration Agreement For Ziritaxestat Member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GileadCollaborationAgreementForZiritaxestatMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead collaboration agreement for ziritaxestat</label>
    <loc 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="glpg-20251231.xsd#glpg_WarrantIssuanceLiabilityMember" xlink:label="glpg_WarrantIssuanceLiabilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_WarrantIssuanceLiabilityMember" xlink:to="glpg_WarrantIssuanceLiabilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_WarrantIssuanceLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Warrant A issuance liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_WarrantIssuanceLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrant A</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_InitialWarrantBIssuanceLiabilityMember" xlink:label="glpg_InitialWarrantBIssuanceLiabilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_InitialWarrantBIssuanceLiabilityMember" xlink:to="glpg_InitialWarrantBIssuanceLiabilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_InitialWarrantBIssuanceLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to initial Warrant B issuance liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_InitialWarrantBIssuanceLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Initial Warrant B</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubsequentWarrantBIssuanceLiabilityMember" xlink:label="glpg_SubsequentWarrantBIssuanceLiabilityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubsequentWarrantBIssuanceLiabilityMember" xlink:to="glpg_SubsequentWarrantBIssuanceLiabilityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubsequentWarrantBIssuanceLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to subsequent warrant B issuance liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubsequentWarrantBIssuanceLiabilityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsequent warrant B</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SecondRevisedAgreementMember" xlink:label="glpg_SecondRevisedAgreementMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SecondRevisedAgreementMember" xlink:to="glpg_SecondRevisedAgreementMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SecondRevisedAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Second Revised Agreement [member].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SecondRevisedAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Second Revised Agreement</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AmendmentsRelatingToDiversityStudyMember" xlink:label="glpg_AmendmentsRelatingToDiversityStudyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AmendmentsRelatingToDiversityStudyMember" xlink:to="glpg_AmendmentsRelatingToDiversityStudyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AmendmentsRelatingToDiversityStudyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This relates to amendments relating to the Diversity Study.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AmendmentsRelatingToDiversityStudyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amendments Relating To The Diversity Study [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherMovementsIn2024Member" xlink:label="glpg_OtherMovementsIn2024Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherMovementsIn2024Member" xlink:to="glpg_OtherMovementsIn2024Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherMovementsIn2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Movements In 2024 [Member].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherMovementsIn2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Movements In 2024 Member</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherMovementsIn2025Member" xlink:label="glpg_OtherMovementsIn2025Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherMovementsIn2025Member" xlink:to="glpg_OtherMovementsIn2025Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherMovementsIn2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Movements In 2025 [Member].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherMovementsIn2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Movements In 2025 Member</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TransactionPriceUpfrontConsideration" xlink:label="glpg_TransactionPriceUpfrontConsideration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TransactionPriceUpfrontConsideration" xlink:to="glpg_TransactionPriceUpfrontConsideration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TransactionPriceUpfrontConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Transaction Price Upfront Consideration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TransactionPriceUpfrontConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transaction Price Upfront Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TransactionPriceUpfrontConsideration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront consideration</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MilestonesAchievedAmountOutstanding" xlink:label="glpg_MilestonesAchievedAmountOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MilestonesAchievedAmountOutstanding" xlink:to="glpg_MilestonesAchievedAmountOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MilestonesAchievedAmountOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of revenue from milestone payments outstanding.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MilestonesAchievedAmountOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Milestones Achieved, Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_MilestonesAchievedAmountOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Milestones achieved, 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_RevenueFromRoyalties" xlink:label="ifrs-full_RevenueFromRoyalties" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueFromRoyalties" xlink:to="ifrs-full_RevenueFromRoyalties_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueFromRoyalties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalty income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_RevenueFromRoyalties_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalties</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RoyaltiesAmountReceived" xlink:label="glpg_RoyaltiesAmountReceived" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RoyaltiesAmountReceived" xlink:to="glpg_RoyaltiesAmountReceived_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RoyaltiesAmountReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of royalties Received.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RoyaltiesAmountReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalties Amount Received</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RoyaltiesAmountOutstanding" xlink:label="glpg_RoyaltiesAmountOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RoyaltiesAmountOutstanding" xlink:to="glpg_RoyaltiesAmountOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RoyaltiesAmountOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of royalties outstanding.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RoyaltiesAmountOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalties, Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RoyaltiesAmountOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalties, balance</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CollaborationAgreementConsiderationAsShareSubscription" xlink:label="glpg_CollaborationAgreementConsiderationAsShareSubscription" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CollaborationAgreementConsiderationAsShareSubscription" xlink:to="glpg_CollaborationAgreementConsiderationAsShareSubscription_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CollaborationAgreementConsiderationAsShareSubscription_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount consideration in the form of initial valuation of share subscription.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CollaborationAgreementConsiderationAsShareSubscription_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaboration Agreement, Consideration As Share Subscription</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CollaborationAgreementConsiderationAsShareSubscription_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impact initial valuation of share subscription</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TransactionPriceBeforeDeductionOfWarrantsIssuance." xlink:label="glpg_TransactionPriceBeforeDeductionOfWarrantsIssuance." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TransactionPriceBeforeDeductionOfWarrantsIssuance." xlink:to="glpg_TransactionPriceBeforeDeductionOfWarrantsIssuance._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TransactionPriceBeforeDeductionOfWarrantsIssuance._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of the transaction price allocated to the performance obligations that are unsatisfied (or partially unsatisfied) as of the end of the reporting period before issuance of warrants liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TransactionPriceBeforeDeductionOfWarrantsIssuance._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transaction Price Before Deduction Of Warrants Issuance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TransactionPriceBeforeDeductionOfWarrantsIssuance._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transaction price before warrants issuances liabilities</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_WarrantsIssuanceLiabilities" xlink:label="glpg_WarrantsIssuanceLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_WarrantsIssuanceLiabilities" xlink:to="glpg_WarrantsIssuanceLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_WarrantsIssuanceLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of warrants issuance liabilities related to the entity's collaboration agreement with related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_WarrantsIssuanceLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrants Issuance Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_WarrantsIssuanceLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Less : Warrants issuance 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_TransactionPriceAllocatedToRemainingPerformanceObligations" xlink:label="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" xlink:to="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transaction price allocated to remaining performance obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Allocation to performance obligations</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CollaborationAgreementEstimatedSignificantFinancingComponentValue" xlink:label="glpg_CollaborationAgreementEstimatedSignificantFinancingComponentValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CollaborationAgreementEstimatedSignificantFinancingComponentValue" xlink:to="glpg_CollaborationAgreementEstimatedSignificantFinancingComponentValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CollaborationAgreementEstimatedSignificantFinancingComponentValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of estimated significant financing component reflecting the time value of money on the estimated recognition period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CollaborationAgreementEstimatedSignificantFinancingComponentValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaboration Agreement, Estimated Significant Financing Component Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CollaborationAgreementEstimatedSignificantFinancingComponentValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Estimated significant financing component</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_Onco3rTherapeuticsMember" xlink:label="glpg_Onco3rTherapeuticsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_Onco3rTherapeuticsMember" xlink:to="glpg_Onco3rTherapeuticsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_Onco3rTherapeuticsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Onco3R Therapeutics</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_Onco3rTherapeuticsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Onco3R Therapeutics [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_Onco3rTherapeuticsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Onco3R</label>
    <loc 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="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_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">Software and databases</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">Software and databases</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContractCostsMember" xlink:label="glpg_ContractCostsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContractCostsMember" xlink:to="glpg_ContractCostsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContractCostsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for contract costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContractCostsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contract costs [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_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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about 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_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 Lives 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">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_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_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="glpg-20251231.xsd#glpg_InstallationAndMachineryMember" xlink:label="glpg_InstallationAndMachineryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_InstallationAndMachineryMember" xlink:to="glpg_InstallationAndMachineryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_InstallationAndMachineryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a class of property, plant and equipment representing installation &amp; machinery.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_InstallationAndMachineryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Installation and machinery</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FurnitureFixturesAndVehiclesMember" xlink:label="glpg_FurnitureFixturesAndVehiclesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FurnitureFixturesAndVehiclesMember" xlink:to="glpg_FurnitureFixturesAndVehiclesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FurnitureFixturesAndVehiclesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a class of property, plant and equipment representing furniture, fixtures, and vehicles.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FurnitureFixturesAndVehiclesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Furniture, fixtures &amp; vehicles</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_LeaseholdMember" xlink:label="glpg_LeaseholdMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_LeaseholdMember" xlink:to="glpg_LeaseholdMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_LeaseholdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents leasehold improvements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_LeaseholdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Leasehold</label>
    <loc 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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" 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</label>
    <loc 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">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_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:label="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:to="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of offsetting 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_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="glpg-20251231.xsd#glpg_OlcaMember" xlink:label="glpg_OlcaMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OlcaMember" xlink:to="glpg_OlcaMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OlcaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for OLCA.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OlcaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">OLCA [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_DisclosureOfOffsettingOfFinancialAssetsLineItems" xlink:label="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xlink:to="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of offsetting of financial assets [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Critical accounting estimates and judgments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FixedOptInOptionPrice" xlink:label="glpg_FixedOptInOptionPrice" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FixedOptInOptionPrice" xlink:to="glpg_FixedOptInOptionPrice_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FixedOptInOptionPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The fixed Opt-in option price set by OLCA.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FixedOptInOptionPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fixed Opt In Option 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_ContractAssets" xlink:label="ifrs-full_ContractAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContractAssets" xlink:to="ifrs-full_ContractAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contract assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContributionsToRelatedDevelopmentActivities." xlink:label="glpg_ContributionsToRelatedDevelopmentActivities." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContributionsToRelatedDevelopmentActivities." xlink:to="glpg_ContributionsToRelatedDevelopmentActivities._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContributionsToRelatedDevelopmentActivities._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">contributions to Alfasigma related to development activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContributionsToRelatedDevelopmentActivities._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contributions To Related Development Activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ContributionsToRelatedDevelopmentActivities._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contributions related to development activities.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_JyselecaBusinessMember" xlink:label="glpg_JyselecaBusinessMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_JyselecaBusinessMember" xlink:to="glpg_JyselecaBusinessMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_JyselecaBusinessMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for analysis of assets and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_JyselecaBusinessMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Jyseleca Business [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SettlementForNetCashAndWorkingCapital" xlink:label="glpg_SettlementForNetCashAndWorkingCapital" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SettlementForNetCashAndWorkingCapital" xlink:to="glpg_SettlementForNetCashAndWorkingCapital_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SettlementForNetCashAndWorkingCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of settlement for net cash and working capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SettlementForNetCashAndWorkingCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Settlement for net cash and working 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_ConsiderationPaidReceived" xlink:label="ifrs-full_ConsiderationPaidReceived" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ConsiderationPaidReceived" xlink:to="ifrs-full_ConsiderationPaidReceived_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ConsiderationPaidReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consideration paid (received)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ConsiderationPaidReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_ConsiderationPaidReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total consideration</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PropertyPlantAndEquipmentIncludingRightOfUseAssetAsOfDisposalDate" xlink:label="glpg_PropertyPlantAndEquipmentIncludingRightOfUseAssetAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PropertyPlantAndEquipmentIncludingRightOfUseAssetAsOfDisposalDate" xlink:to="glpg_PropertyPlantAndEquipmentIncludingRightOfUseAssetAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PropertyPlantAndEquipmentIncludingRightOfUseAssetAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of property plant and equipment including right of use assets as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PropertyPlantAndEquipmentIncludingRightOfUseAssetAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property Plant And Equipment Including Right Of Use Asset As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_PropertyPlantAndEquipmentIncludingRightOfUseAssetAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DeferredTaxAssetAsOfDisposalDate" xlink:label="glpg_DeferredTaxAssetAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DeferredTaxAssetAsOfDisposalDate" xlink:to="glpg_DeferredTaxAssetAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DeferredTaxAssetAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of deferred tax asset as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DeferredTaxAssetAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred Tax Asset As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DeferredTaxAssetAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherNonCurrentAssetsAsOfDisposalDate" xlink:label="glpg_OtherNonCurrentAssetsAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherNonCurrentAssetsAsOfDisposalDate" xlink:to="glpg_OtherNonCurrentAssetsAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherNonCurrentAssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non-current assets that the entity does not separately disclose in the same statement or note as of date of disposal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherNonCurrentAssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Non Current Assets As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_OtherNonCurrentAssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_InventoriesAsOfDisposalDate" xlink:label="glpg_InventoriesAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_InventoriesAsOfDisposalDate" xlink:to="glpg_InventoriesAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_InventoriesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of inventories as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_InventoriesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_InventoriesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TradeAndOtherCurrentReceivablesAsOfDisposalDate" xlink:label="glpg_TradeAndOtherCurrentReceivablesAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TradeAndOtherCurrentReceivablesAsOfDisposalDate" xlink:to="glpg_TradeAndOtherCurrentReceivablesAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TradeAndOtherCurrentReceivablesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current trade receivables and current other receivables as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TradeAndOtherCurrentReceivablesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade And Other Current Receivables As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TradeAndOtherCurrentReceivablesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other receivables</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CashAndCashEquivalentsAsOfDisposalDate" xlink:label="glpg_CashAndCashEquivalentsAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CashAndCashEquivalentsAsOfDisposalDate" xlink:to="glpg_CashAndCashEquivalentsAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CashAndCashEquivalentsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CashAndCashEquivalentsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash And Cash Equivalents As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CashAndCashEquivalentsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherCurrentAssetsAsOfDisposalDate" xlink:label="glpg_OtherCurrentAssetsAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherCurrentAssetsAsOfDisposalDate" xlink:to="glpg_OtherCurrentAssetsAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherCurrentAssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current assets that the entity does not separately disclose in the same statement or note as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherCurrentAssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Current Assets As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_OtherCurrentAssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AssetsAsOfDisposalDate" xlink:label="glpg_AssetsAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AssetsAsOfDisposalDate" xlink:to="glpg_AssetsAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of a present economic resource controlled by the entity as a result of past events as of date of disposal. Economic resource is a right that has the potential to produce economic benefits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_AssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherReservesAsOfDisposalDate" xlink:label="glpg_OtherReservesAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherReservesAsOfDisposalDate" xlink:to="glpg_OtherReservesAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherReservesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of other reserves as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherReservesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other reserves As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_OtherReservesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other reserves</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RetirementBenefitLiabilitiesAsOfDisposalDate" xlink:label="glpg_RetirementBenefitLiabilitiesAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RetirementBenefitLiabilitiesAsOfDisposalDate" xlink:to="glpg_RetirementBenefitLiabilitiesAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RetirementBenefitLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of retirement benefit liabilities as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RetirementBenefitLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retirement benefit liabilities As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RetirementBenefitLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retirement benefit liabilities</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NonCurrentLeaseLiabilitiesAsOfDisposalDate" xlink:label="glpg_NonCurrentLeaseLiabilitiesAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NonCurrentLeaseLiabilitiesAsOfDisposalDate" xlink:to="glpg_NonCurrentLeaseLiabilitiesAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NonCurrentLeaseLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non-current lease liabilities as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NonCurrentLeaseLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non Current Lease Liabilities As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NonCurrentLeaseLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current lease liabilities</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherNonCurrentLiabilitiesAsOfDisposalDate" xlink:label="glpg_OtherNonCurrentLiabilitiesAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherNonCurrentLiabilitiesAsOfDisposalDate" xlink:to="glpg_OtherNonCurrentLiabilitiesAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherNonCurrentLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of non-current lease liabilities as of disposal date as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherNonCurrentLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Non Current Liabilities As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_OtherNonCurrentLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current liabilities</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TradeAndOtherCurrentLiabilitiesAsOfDisposalDate" xlink:label="glpg_TradeAndOtherCurrentLiabilitiesAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TradeAndOtherCurrentLiabilitiesAsOfDisposalDate" xlink:to="glpg_TradeAndOtherCurrentLiabilitiesAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TradeAndOtherCurrentLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current trade payables and current other payables as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TradeAndOtherCurrentLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade And Other Current Liabilities As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TradeAndOtherCurrentLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other liabilities</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CurrentLeaseLiabilitiesAsOfDisposalDate" xlink:label="glpg_CurrentLeaseLiabilitiesAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CurrentLeaseLiabilitiesAsOfDisposalDate" xlink:to="glpg_CurrentLeaseLiabilitiesAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CurrentLeaseLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current lease liabilities as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CurrentLeaseLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Lease Liabilities As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CurrentLeaseLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current lease liabilities</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncomeTaxPayableAsOfDisposalDate" xlink:label="glpg_IncomeTaxPayableAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncomeTaxPayableAsOfDisposalDate" xlink:to="glpg_IncomeTaxPayableAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncomeTaxPayableAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The current amount of current tax liabilities as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncomeTaxPayableAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income Tax Payable As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_IncomeTaxPayableAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current tax payable</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CurrentDeferredIncomeAsOfDisposalDate" xlink:label="glpg_CurrentDeferredIncomeAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CurrentDeferredIncomeAsOfDisposalDate" xlink:to="glpg_CurrentDeferredIncomeAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CurrentDeferredIncomeAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The current amount of current deferred income as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CurrentDeferredIncomeAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Deferred Income As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CurrentDeferredIncomeAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current deferred income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TotalLiabilitiesAsOfDisposalDate" xlink:label="glpg_TotalLiabilitiesAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TotalLiabilitiesAsOfDisposalDate" xlink:to="glpg_TotalLiabilitiesAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TotalLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The current amount of total liabilities as of disposal date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TotalLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Liabilities As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_TotalLiabilitiesAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Liabilities</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NetAssetsAsOfDisposalDate" xlink:label="glpg_NetAssetsAsOfDisposalDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NetAssetsAsOfDisposalDate" xlink:to="glpg_NetAssetsAsOfDisposalDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NetAssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The current amount of net assets as of disposal date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NetAssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Assets As Of Disposal Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NetAssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net assets disposed of</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_NetAssetsAsOfDisposalDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net assets disposed of</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_UpfrontPaymentReceivedIncome" xlink:label="glpg_UpfrontPaymentReceivedIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_UpfrontPaymentReceivedIncome" xlink:to="glpg_UpfrontPaymentReceivedIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_UpfrontPaymentReceivedIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of income recognised from upfront payment received.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_UpfrontPaymentReceivedIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront Payment Received Income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SettlementForNetCashAndWorkingCapitalIncomeExpense" xlink:label="glpg_SettlementForNetCashAndWorkingCapitalIncomeExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SettlementForNetCashAndWorkingCapitalIncomeExpense" xlink:to="glpg_SettlementForNetCashAndWorkingCapitalIncomeExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SettlementForNetCashAndWorkingCapitalIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of income (expense) recognised for settlement for net cash and working capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SettlementForNetCashAndWorkingCapitalIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Settlement For Net Cash And Working Capital Income Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SettlementForNetCashAndWorkingCapitalIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Settlement for net cash and working capital</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdditionalAdjustmentWorkingCapitalToBeSettled" xlink:label="glpg_AdditionalAdjustmentWorkingCapitalToBeSettled" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AdditionalAdjustmentWorkingCapitalToBeSettled" xlink:to="glpg_AdditionalAdjustmentWorkingCapitalToBeSettled_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AdditionalAdjustmentWorkingCapitalToBeSettled_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of additional adjustment working capital to be settled</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdditionalAdjustmentWorkingCapitalToBeSettled_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additional Adjustment Working Capital To Be Settled</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NetAssetsDisposedOfAdjustment" xlink:label="glpg_NetAssetsDisposedOfAdjustment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NetAssetsDisposedOfAdjustment" xlink:to="glpg_NetAssetsDisposedOfAdjustment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NetAssetsDisposedOfAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of net assets disposed of</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NetAssetsDisposedOfAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Assets Disposed Of Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_NetAssetsDisposedOfAdjustment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net assets disposed of</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EffectOfCumulativeTranslationAdjustmentsReclassifiedFromEquityOnLossOnControl" xlink:label="glpg_EffectOfCumulativeTranslationAdjustmentsReclassifiedFromEquityOnLossOnControl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EffectOfCumulativeTranslationAdjustmentsReclassifiedFromEquityOnLossOnControl" xlink:to="glpg_EffectOfCumulativeTranslationAdjustmentsReclassifiedFromEquityOnLossOnControl_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EffectOfCumulativeTranslationAdjustmentsReclassifiedFromEquityOnLossOnControl_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Effect Of Cumulative Translation Adjustments Reclassified From Equity On Loss On Control.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EffectOfCumulativeTranslationAdjustmentsReclassifiedFromEquityOnLossOnControl_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect Of Cumulative Translation Adjustments Reclassified From Equity On Loss On Control</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_EffectOfCumulativeTranslationAdjustmentsReclassifiedFromEquityOnLossOnControl_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of cumulative translation adjustments reclassified from equity on loss of control</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FairValueOfFutureEarnOutsPayableByAlfasigma" xlink:label="glpg_FairValueOfFutureEarnOutsPayableByAlfasigma" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FairValueOfFutureEarnOutsPayableByAlfasigma" xlink:to="glpg_FairValueOfFutureEarnOutsPayableByAlfasigma_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FairValueOfFutureEarnOutsPayableByAlfasigma_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Fair Value Of The Future Earn Outs Payable By Alfasigma.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FairValueOfFutureEarnOutsPayableByAlfasigma_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Of The Future Earn Outs Payable By Alfasigma</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContributionForRDCostsPayableToAlfasigma" xlink:label="glpg_ContributionForRDCostsPayableToAlfasigma" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContributionForRDCostsPayableToAlfasigma" xlink:to="glpg_ContributionForRDCostsPayableToAlfasigma_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContributionForRDCostsPayableToAlfasigma_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Contribution For R&amp;D Costs Payable To Alfasigma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContributionForRDCostsPayableToAlfasigma_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contribution For R&amp;D Costs Payable To Alfasigma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ContributionForRDCostsPayableToAlfasigma_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">contribution for R&amp;D costs payable by us to Alfasigma</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xlink:label="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xlink:to="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain (loss) recognised on measurement to fair value less costs to sell or on disposal of assets or disposal groups constituting discontinued operation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain on disposal of subsidiaries</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_JyselecaBusinessNetCashInflowOutflowMember" xlink:label="glpg_JyselecaBusinessNetCashInflowOutflowMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_JyselecaBusinessNetCashInflowOutflowMember" xlink:to="glpg_JyselecaBusinessNetCashInflowOutflowMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_JyselecaBusinessNetCashInflowOutflowMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for net cash in/outflow.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_JyselecaBusinessNetCashInflowOutflowMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Jyseleca Business Net Cash Inflow Outflow [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AlfasigmaMember" xlink:label="glpg_AlfasigmaMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AlfasigmaMember" xlink:to="glpg_AlfasigmaMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AlfasigmaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Alfasigma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AlfasigmaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Alfasigma [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TransferToEscrowAccount" xlink:label="glpg_TransferToEscrowAccount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TransferToEscrowAccount" xlink:to="glpg_TransferToEscrowAccount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TransferToEscrowAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of transfer to escrow account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TransferToEscrowAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transfer To Escrow Account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_TransferToEscrowAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transfer to escrow account</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContributionForRDCostsPaidToAlfasigma" xlink:label="glpg_ContributionForRDCostsPaidToAlfasigma" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContributionForRDCostsPaidToAlfasigma" xlink:to="glpg_ContributionForRDCostsPaidToAlfasigma_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContributionForRDCostsPaidToAlfasigma_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of contribution for R&amp;D costs paid to Alfasigma.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContributionForRDCostsPaidToAlfasigma_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contribution For R&amp;D Costs Paid To Alfasigma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_ContributionForRDCostsPaidToAlfasigma_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contribution for R&amp;D costs paid by us to Alfasigma</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EarnOutsPaid" xlink:label="glpg_EarnOutsPaid" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EarnOutsPaid" xlink:to="glpg_EarnOutsPaid_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EarnOutsPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of earn-outs paid by Alfasigma.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EarnOutsPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earn Outs Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_EarnOutsPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earn-out paid by Alfasigma</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CashAndCashEquivalentBalancesDisposedOf" xlink:label="glpg_CashAndCashEquivalentBalancesDisposedOf" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CashAndCashEquivalentBalancesDisposedOf" xlink:to="glpg_CashAndCashEquivalentBalancesDisposedOf_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CashAndCashEquivalentBalancesDisposedOf_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of cash and cash equivalents balances disposed of.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CashAndCashEquivalentBalancesDisposedOf_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash And Cash Equivalent Balances Disposed Of</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_CashAndCashEquivalentBalancesDisposedOf_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Less: Cash and cash equivalents balances disposed of</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SettlementOfPreExistingRelationships" xlink:label="glpg_SettlementOfPreExistingRelationships" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SettlementOfPreExistingRelationships" xlink:to="glpg_SettlementOfPreExistingRelationships_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SettlementOfPreExistingRelationships_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of settlement of pre-existing relationships</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SettlementOfPreExistingRelationships_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Settlement Of Pre Existing Relationships</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SettlementOfPreExistingRelationships_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Less: settlement of pre-existing relationships</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherLiabilitiesRelateToDisposalOfSubsidiariesLineItems" xlink:label="glpg_OtherLiabilitiesRelateToDisposalOfSubsidiariesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherLiabilitiesRelateToDisposalOfSubsidiariesLineItems" xlink:to="glpg_OtherLiabilitiesRelateToDisposalOfSubsidiariesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherLiabilitiesRelateToDisposalOfSubsidiariesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherLiabilitiesRelateToDisposalOfSubsidiariesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Liabilities Relate To The Disposal Of Subsidiaries [line items]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CostsAssociatedToSaleTakenIntoResultsIn2023" xlink:label="glpg_CostsAssociatedToSaleTakenIntoResultsIn2023" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CostsAssociatedToSaleTakenIntoResultsIn2023" xlink:to="glpg_CostsAssociatedToSaleTakenIntoResultsIn2023_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CostsAssociatedToSaleTakenIntoResultsIn2023_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of costs associated to the sale taken into results In 2023</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CostsAssociatedToSaleTakenIntoResultsIn2023_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Costs Associated To The Sale Taken Into Results In 2023</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_CostsAssociatedToSaleTakenIntoResultsIn2023_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Costs associated to the sale taken into result in 2023</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CostsAssociatedToSaleTakenIntoResultsIn2024" xlink:label="glpg_CostsAssociatedToSaleTakenIntoResultsIn2024" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CostsAssociatedToSaleTakenIntoResultsIn2024" xlink:to="glpg_CostsAssociatedToSaleTakenIntoResultsIn2024_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CostsAssociatedToSaleTakenIntoResultsIn2024_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of costs associated to the sale taken into results In 2024</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CostsAssociatedToSaleTakenIntoResultsIn2024_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Costs Associated To The Sale Taken Into Results In 2024</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_CostsAssociatedToSaleTakenIntoResultsIn2024_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Costs associated to the sale taken into result in 2024</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CashRelatedToDisposalTransferedToEscrowAccount" xlink:label="glpg_CashRelatedToDisposalTransferedToEscrowAccount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CashRelatedToDisposalTransferedToEscrowAccount" xlink:to="glpg_CashRelatedToDisposalTransferedToEscrowAccount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CashRelatedToDisposalTransferedToEscrowAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount cash related to disposals transferred to escrow account.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CashRelatedToDisposalTransferedToEscrowAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash Related To Disposal Transfered To Escrow Account</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromSaleOfGoods" xlink:label="ifrs-full_RevenueFromSaleOfGoods" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueFromSaleOfGoods" xlink:to="ifrs-full_RevenueFromSaleOfGoods_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueFromSaleOfGoods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue from sale of goods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RevenueFromSaleOfGoods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Product net 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_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 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="glpg-20251231.xsd#glpg_ProfitLossBeforeTaxDiscontinuedOperations" xlink:label="glpg_ProfitLossBeforeTaxDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ProfitLossBeforeTaxDiscontinuedOperations" xlink:to="glpg_ProfitLossBeforeTaxDiscontinuedOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ProfitLossBeforeTaxDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The profit (loss) before tax expense or income from discontinued operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ProfitLossBeforeTaxDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (Loss) before Tax, Discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_ProfitLossBeforeTaxDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income 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_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations" xlink:label="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations" xlink:to="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax expense relating to profit (loss) from ordinary activities of discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations_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_BasicEarningsLossPerShareFromDiscontinuedOperations" xlink:label="ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations" xlink:to="ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basic earnings (loss) per share from discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basic earnings/loss (-) per share from discontinued operations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:label="ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:to="ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Diluted earnings (loss) per share from discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Diluted earnings/loss (-) per share from discontinued operations.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromContinuingAndDiscontinuedOperationsAbstract" xlink:label="ifrs-full_CashFlowsFromContinuingAndDiscontinuedOperationsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromContinuingAndDiscontinuedOperationsAbstract" xlink:to="ifrs-full_CashFlowsFromContinuingAndDiscontinuedOperationsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromContinuingAndDiscontinuedOperationsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from continuing and discontinued operations [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromContinuingAndDiscontinuedOperationsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from discontinued operations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) operating activities, discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash flow used in 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_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) investing activities, discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash flow 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_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) financing activities, discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash flow 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_IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations" xlink:to="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in cash and cash equivalents, discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash flow from discontinued operations related to Jyseleca (filgotinib) business.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SettlementOfIntercompanyLoan" xlink:label="glpg_SettlementOfIntercompanyLoan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SettlementOfIntercompanyLoan" xlink:to="glpg_SettlementOfIntercompanyLoan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SettlementOfIntercompanyLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The settlement of intercompany loan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SettlementOfIntercompanyLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Settlement Of Intercompany Loan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_SettlementOfIntercompanyLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Settlement of intercompany 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_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_GeographicalAreasAxis" xlink:label="ifrs-full_GeographicalAreasAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GeographicalAreasAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Geographical areas [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_GeographicalAreasDomain" xlink:label="ifrs-full_GeographicalAreasDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GeographicalAreasDomain" xlink:to="ifrs-full_GeographicalAreasDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GeographicalAreasDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Geographical areas [domain]</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">United States</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_US_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">United States of America</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GileadSciencesIncMember" xlink:label="glpg_GileadSciencesIncMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GileadSciencesIncMember" xlink:to="glpg_GileadSciencesIncMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GileadSciencesIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Gilead Sciences, Inc</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GileadSciencesIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_GileadSciencesIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead</label>
    <loc 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>
    <loc 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/terseLabel" xlink:label="ifrs-full_PercentageOfEntitysRevenue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of total net revenues from continuing operations</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TotalContinuedAndDiscontinuedRevenueFromCollaboration" xlink:label="glpg_TotalContinuedAndDiscontinuedRevenueFromCollaboration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TotalContinuedAndDiscontinuedRevenueFromCollaboration" xlink:to="glpg_TotalContinuedAndDiscontinuedRevenueFromCollaboration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TotalContinuedAndDiscontinuedRevenueFromCollaboration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total amount of revenue for continued and discontinued operations from collaboration recognized during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TotalContinuedAndDiscontinuedRevenueFromCollaboration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Continued and Discontinued Revenue From Collaboration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TotalContinuedAndDiscontinuedRevenueFromCollaboration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total net revenue from continued and discontinued operations</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RevenueFromCollaborationDiscontinuedOperations" xlink:label="glpg_RevenueFromCollaborationDiscontinuedOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RevenueFromCollaborationDiscontinuedOperations" xlink:to="glpg_RevenueFromCollaborationDiscontinuedOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RevenueFromCollaborationDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of revenue from collaboration recognized during the period for discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RevenueFromCollaborationDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue From Collaboration Discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RevenueFromCollaborationDiscontinuedOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net revenue - discontinued operations</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TotalRevenueFromContinuingOperations" xlink:label="glpg_TotalRevenueFromContinuingOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TotalRevenueFromContinuingOperations" xlink:to="glpg_TotalRevenueFromContinuingOperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TotalRevenueFromContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The income arising from continuing operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TotalRevenueFromContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Revenue From Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_TotalRevenueFromContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total net revenues from continuing operations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasAbstract" xlink:label="ifrs-full_DisclosureOfGeographicalAreasAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGeographicalAreasAbstract" xlink:to="ifrs-full_DisclosureOfGeographicalAreasAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfGeographicalAreasAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of geographical areas [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_DisclosureOfGeographicalAreasTable" xlink:label="ifrs-full_DisclosureOfGeographicalAreasTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGeographicalAreasTable" xlink:to="ifrs-full_DisclosureOfGeographicalAreasTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfGeographicalAreasTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of geographical areas [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_BE" xlink:label="country_BE" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_BE" xlink:to="country_BE_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_BE_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Belgium</label>
    <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" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_FR" xlink:to="country_FR_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_FR_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">France</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_NL" xlink:label="country_NL" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_NL" xlink:to="country_NL_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_NL_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The Netherlands</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CH" xlink:label="country_CH" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CH" xlink:to="country_CH_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_CH_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Switzerland</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:label="ifrs-full_DisclosureOfGeographicalAreasLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_DisclosureOfGeographicalAreasLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfGeographicalAreasLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of geographical areas [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_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</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:label="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:to="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of disaggregation of revenue from contracts with customers [table]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CollaborationRevenuesMember" xlink:label="glpg_CollaborationRevenuesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CollaborationRevenuesMember" xlink:to="glpg_CollaborationRevenuesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CollaborationRevenuesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaboration revenues.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CollaborationRevenuesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaboration revenues</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RecognitionOfNonRefundableUpfrontPaymentsAndLicenseFeesMember" xlink:label="glpg_RecognitionOfNonRefundableUpfrontPaymentsAndLicenseFeesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RecognitionOfNonRefundableUpfrontPaymentsAndLicenseFeesMember" xlink:to="glpg_RecognitionOfNonRefundableUpfrontPaymentsAndLicenseFeesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RecognitionOfNonRefundableUpfrontPaymentsAndLicenseFeesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">recognition of non-refundable upfront payments and license fees [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RecognitionOfNonRefundableUpfrontPaymentsAndLicenseFeesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recognition of non-refundable upfront payments and license fees [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GileadCollaborationAgreementForGlpg1972Member" xlink:label="glpg_GileadCollaborationAgreementForGlpg1972Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GileadCollaborationAgreementForGlpg1972Member" xlink:to="glpg_GileadCollaborationAgreementForGlpg1972Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GileadCollaborationAgreementForGlpg1972Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for collaboration agreement for GLPG1972</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GileadCollaborationAgreementForGlpg1972Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead collaboration agreement for GLPG 1972 [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RoyaltiesMember" xlink:label="glpg_RoyaltiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RoyaltiesMember" xlink:to="glpg_RoyaltiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RoyaltiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Royalties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RoyaltiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalties [Member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GileadRoyaltiesOnJyselecaMember" xlink:label="glpg_GileadRoyaltiesOnJyselecaMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GileadRoyaltiesOnJyselecaMember" xlink:to="glpg_GileadRoyaltiesOnJyselecaMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GileadRoyaltiesOnJyselecaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Gilead royalties on Jyseleca.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GileadRoyaltiesOnJyselecaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead Royalties on Jyseleca [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_GileadRoyaltiesOnJyselecaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gilead royalties on Jyseleca</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherRoyaltiesAgreementMember" xlink:label="glpg_OtherRoyaltiesAgreementMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherRoyaltiesAgreementMember" xlink:to="glpg_OtherRoyaltiesAgreementMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherRoyaltiesAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Royalties Agreement [Member].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherRoyaltiesAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Royalties Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_OtherRoyaltiesAgreementMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other royalties</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:label="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:to="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of disaggregation of revenue from contracts with 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_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:label="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:to="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of attribution of expenses by nature to their function [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_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:to="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Attribution of expenses by nature to their function [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_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:to="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Attribution of expenses by nature to their function [domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PersonnelCostsMember" xlink:label="glpg_PersonnelCostsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PersonnelCostsMember" xlink:to="glpg_PersonnelCostsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PersonnelCostsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for personnel costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PersonnelCostsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Personnel costs [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubcontractingMember" xlink:label="glpg_SubcontractingMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubcontractingMember" xlink:to="glpg_SubcontractingMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubcontractingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subcontracting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubcontractingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subcontracting [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisposablesAndLabFeesAndPremiseCostsMember" xlink:label="glpg_DisposablesAndLabFeesAndPremiseCostsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisposablesAndLabFeesAndPremiseCostsMember" xlink:to="glpg_DisposablesAndLabFeesAndPremiseCostsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisposablesAndLabFeesAndPremiseCostsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Disposables and lab fees and premise costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisposablesAndLabFeesAndPremiseCostsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposables and lab fees and premise costs [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DepreciationAndImpairmentMember" xlink:label="glpg_DepreciationAndImpairmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DepreciationAndImpairmentMember" xlink:to="glpg_DepreciationAndImpairmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DepreciationAndImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for depreciation and impairment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DepreciationAndImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation And Impairment [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ProfessionalFeesMember" xlink:label="glpg_ProfessionalFeesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ProfessionalFeesMember" xlink:to="glpg_ProfessionalFeesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ProfessionalFeesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for professional fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ProfessionalFeesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Professional fees [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_ProfessionalFeesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Legal and professional fees</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherOperatingExpensesMember" xlink:label="glpg_OtherOperatingExpensesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherOperatingExpensesMember" xlink:to="glpg_OtherOperatingExpensesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherOperatingExpensesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for other operating expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherOperatingExpensesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating expenses [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_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:label="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:to="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of attribution of expenses by nature to their function [line items]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ResearchAndDevelopmentTable" xlink:label="glpg_ResearchAndDevelopmentTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ResearchAndDevelopmentTable" xlink:to="glpg_ResearchAndDevelopmentTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ResearchAndDevelopmentTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and Development [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ResearchAndDevelopmentTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and Development [Table]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ResearchAndDevelopmentProgramAxis" xlink:label="glpg_ResearchAndDevelopmentProgramAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ResearchAndDevelopmentProgramAxis" xlink:to="glpg_ResearchAndDevelopmentProgramAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ResearchAndDevelopmentProgramAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ResearchAndDevelopmentProgramAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and Development Program [Axis]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ResearchAndDevelopmentDomain" xlink:label="glpg_ResearchAndDevelopmentDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ResearchAndDevelopmentDomain" xlink:to="glpg_ResearchAndDevelopmentDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ResearchAndDevelopmentDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and Development [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ResearchAndDevelopmentDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and Development [Domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SikiProgramMember" xlink:label="glpg_SikiProgramMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SikiProgramMember" xlink:to="glpg_SikiProgramMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SikiProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SIKi program [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SikiProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SIKi program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SikiProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SIKi program</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_Tyk2ProgramOnGlpg3667Member" xlink:label="glpg_Tyk2ProgramOnGlpg3667Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_Tyk2ProgramOnGlpg3667Member" xlink:to="glpg_Tyk2ProgramOnGlpg3667Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_Tyk2ProgramOnGlpg3667Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Member stands for TYK2 program on GLPG3667.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_Tyk2ProgramOnGlpg3667Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TYK2 program on GLPG3667</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_Tyk2ProgramOnGlpg3667Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TYK2 program on GLPG3667</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CarTProgramsInOncologyMember" xlink:label="glpg_CarTProgramsInOncologyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CarTProgramsInOncologyMember" xlink:to="glpg_CarTProgramsInOncologyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CarTProgramsInOncologyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to CAR-T programs in oncology under research and development expenditure.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CarTProgramsInOncologyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CAR-T programs in oncology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CarTProgramsInOncologyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CAR-T programs in oncology</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherResearchAndDevelopmentProgramMember" xlink:label="glpg_OtherResearchAndDevelopmentProgramMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherResearchAndDevelopmentProgramMember" xlink:to="glpg_OtherResearchAndDevelopmentProgramMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherResearchAndDevelopmentProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Research And Development Program [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherResearchAndDevelopmentProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other programs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_OtherResearchAndDevelopmentProgramMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other programs</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ResearchAndDevelopmentLineItems" xlink:label="glpg_ResearchAndDevelopmentLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ResearchAndDevelopmentLineItems" xlink:to="glpg_ResearchAndDevelopmentLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ResearchAndDevelopmentLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and Development [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ResearchAndDevelopmentLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and Development [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ResearchAndDevelopmentLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating costs and other operating income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_Depreciation1Member" xlink:label="glpg_Depreciation1Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_Depreciation1Member" xlink:to="glpg_Depreciation1Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_Depreciation1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for depreciation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_Depreciation1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_Depreciation1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_Depreciation1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and impairment</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ExternalOutsourcingCostsMember" xlink:label="glpg_ExternalOutsourcingCostsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ExternalOutsourcingCostsMember" xlink:to="glpg_ExternalOutsourcingCostsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ExternalOutsourcingCostsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for external outsourcing costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ExternalOutsourcingCostsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">External outsourcing costs [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SalesAndMarketingDepreciationAndImpairmentAdjustment." xlink:label="glpg_SalesAndMarketingDepreciationAndImpairmentAdjustment." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SalesAndMarketingDepreciationAndImpairmentAdjustment." xlink:to="glpg_SalesAndMarketingDepreciationAndImpairmentAdjustment._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SalesAndMarketingDepreciationAndImpairmentAdjustment._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of sales and marketing depreciation and impairment adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SalesAndMarketingDepreciationAndImpairmentAdjustment._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales And Marketing Depreciation And Impairment Adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SalesAndMarketingDepreciationAndImpairmentAdjustment._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and impairment 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_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_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="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</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Full impairment of 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_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss recognised in profit or loss, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Full impairment 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_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/2003/role/verboseLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentIncludingRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partial impairment of property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfOtherOperatingCostsAndOtherOperatingIncomesTable" xlink:label="glpg_DisclosureOfOtherOperatingCostsAndOtherOperatingIncomesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfOtherOperatingCostsAndOtherOperatingIncomesTable" xlink:to="glpg_DisclosureOfOtherOperatingCostsAndOtherOperatingIncomesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfOtherOperatingCostsAndOtherOperatingIncomesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule disclosing information related to operating cost and other operating income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfOtherOperatingCostsAndOtherOperatingIncomesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other operating costs and other operating incomes [table]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NationalInstituteForHealthMember" xlink:label="glpg_NationalInstituteForHealthMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NationalInstituteForHealthMember" xlink:to="glpg_NationalInstituteForHealthMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NationalInstituteForHealthMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Nation Institute For Health</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NationalInstituteForHealthMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">National Institute For Health [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OperatingCostsAndOtherOperatingIncomesLineItem" xlink:label="glpg_OperatingCostsAndOtherOperatingIncomesLineItem" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OperatingCostsAndOtherOperatingIncomesLineItem" xlink:to="glpg_OperatingCostsAndOtherOperatingIncomesLineItem_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OperatingCostsAndOtherOperatingIncomesLineItem_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating costs and other operating incomes [line item]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromGovernmentGrants" xlink:label="ifrs-full_RevenueFromGovernmentGrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueFromGovernmentGrants" xlink:to="ifrs-full_RevenueFromGovernmentGrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueFromGovernmentGrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income from government grants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RevenueFromGovernmentGrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Grant income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ResearchAndDevelopmentIncentiveIncome" xlink:label="glpg_ResearchAndDevelopmentIncentiveIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ResearchAndDevelopmentIncentiveIncome" xlink:to="glpg_ResearchAndDevelopmentIncentiveIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ResearchAndDevelopmentIncentiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of research and development incentive income earned during period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ResearchAndDevelopmentIncentiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research And Development Incentive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ResearchAndDevelopmentIncentiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">R&amp;D incentives</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FairValueAdjustmentContingentConsiderationPayable" xlink:label="glpg_FairValueAdjustmentContingentConsiderationPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FairValueAdjustmentContingentConsiderationPayable" xlink:to="glpg_FairValueAdjustmentContingentConsiderationPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FairValueAdjustmentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of Fair value Adjustment of Contingent consideration Payable related to the acquisition of cellpoint.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FairValueAdjustmentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value Adjustment Contingent consideration Payable related to the acquisition of cellpoint</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MiscellaneousOtherIncome" xlink:label="glpg_MiscellaneousOtherIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MiscellaneousOtherIncome" xlink:to="glpg_MiscellaneousOtherIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MiscellaneousOtherIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of income that the entity does not separately disclose, which is classified as other income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MiscellaneousOtherIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous Other Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_MiscellaneousOtherIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncomeFromInnovationIncentiveSystemInFrance" xlink:label="glpg_IncomeFromInnovationIncentiveSystemInFrance" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncomeFromInnovationIncentiveSystemInFrance" xlink:to="glpg_IncomeFromInnovationIncentiveSystemInFrance_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncomeFromInnovationIncentiveSystemInFrance_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Income From Innovation Incentive System In France</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncomeFromInnovationIncentiveSystemInFrance_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income From Innovation Incentive System In France</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncomeFromBelgianRDIncentives." xlink:label="glpg_IncomeFromBelgianRDIncentives." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncomeFromBelgianRDIncentives." xlink:to="glpg_IncomeFromBelgianRDIncentives._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncomeFromBelgianRDIncentives._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Income from Belgian R&amp;D incentives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncomeFromBelgianRDIncentives._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income From Belgian R&amp;D Incentives.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TaxRebatesOnPayrollWithholdingTaxesOfRDPersonnel" xlink:label="glpg_TaxRebatesOnPayrollWithholdingTaxesOfRDPersonnel" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TaxRebatesOnPayrollWithholdingTaxesOfRDPersonnel" xlink:to="glpg_TaxRebatesOnPayrollWithholdingTaxesOfRDPersonnel_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TaxRebatesOnPayrollWithholdingTaxesOfRDPersonnel_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Income from Tax Rebates On Payroll Withholding Taxes Of R&amp;D Personnel (Belgium &amp; Netherlands).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TaxRebatesOnPayrollWithholdingTaxesOfRDPersonnel_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Rebates On Payroll Withholding Taxes Of R&amp;D Personnel</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TotalRDIncentiveIncome" xlink:label="glpg_TotalRDIncentiveIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TotalRDIncentiveIncome" xlink:to="glpg_TotalRDIncentiveIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TotalRDIncentiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of R&amp;D incentives income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TotalRDIncentiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total R&amp;D Incentive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_TotalRDIncentiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total R&amp;D incentives income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfAnalysisOfStaffCostForContinuedOperationsTable" xlink:label="glpg_DisclosureOfAnalysisOfStaffCostForContinuedOperationsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfAnalysisOfStaffCostForContinuedOperationsTable" xlink:to="glpg_DisclosureOfAnalysisOfStaffCostForContinuedOperationsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfAnalysisOfStaffCostForContinuedOperationsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule disclosing information related to the analysis of staff cost for continued operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfAnalysisOfStaffCostForContinuedOperationsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of analysis of staff cost for continued operations [table]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContinuingOperationsAxis" xlink:label="glpg_ContinuingOperationsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContinuingOperationsAxis" xlink:to="glpg_ContinuingOperationsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContinuingOperationsAxis_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="glpg_ContinuingOperationsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Continuing operations [axis]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContinuedOperationsDomain" xlink:label="glpg_ContinuedOperationsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContinuedOperationsDomain" xlink:to="glpg_ContinuedOperationsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContinuedOperationsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This describes different type of continuing operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContinuedOperationsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Continued operations [Domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MembersOfExecutiveCommitteeMember" xlink:label="glpg_MembersOfExecutiveCommitteeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MembersOfExecutiveCommitteeMember" xlink:to="glpg_MembersOfExecutiveCommitteeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MembersOfExecutiveCommitteeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Members of Executive Committee [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MembersOfExecutiveCommitteeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Members of Executive Committee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_MembersOfExecutiveCommitteeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Executive committee</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ResearchAndDevelopmentMember" xlink:label="glpg_ResearchAndDevelopmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ResearchAndDevelopmentMember" xlink:to="glpg_ResearchAndDevelopmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ResearchAndDevelopmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and development [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ResearchAndDevelopmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and development [Member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CommercialAndMedicalAffairsMember" xlink:label="glpg_CommercialAndMedicalAffairsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CommercialAndMedicalAffairsMember" xlink:to="glpg_CommercialAndMedicalAffairsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CommercialAndMedicalAffairsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commercial and medical affairs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CommercialAndMedicalAffairsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commercial and medical affairs [Member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CorporateAndSupportMember" xlink:label="glpg_CorporateAndSupportMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CorporateAndSupportMember" xlink:to="glpg_CorporateAndSupportMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CorporateAndSupportMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Corporate and support [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CorporateAndSupportMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Corporate and support [Member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContinuedOperationsLineItem" xlink:label="glpg_ContinuedOperationsLineItem" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContinuedOperationsLineItem" xlink:to="glpg_ContinuedOperationsLineItem_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContinuedOperationsLineItem_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Staff cost and employee numbers for continued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContinuedOperationsLineItem_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Continued Operations [Line Item]</label>
    <loc 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/2009/role/negatedLabel" xlink:label="ifrs-full_WagesAndSalaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Wages and salaries</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SocialSecurityContributions" xlink:label="ifrs-full_SocialSecurityContributions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SocialSecurityContributions" xlink:to="ifrs-full_SocialSecurityContributions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SocialSecurityContributions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Social security contributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_SocialSecurityContributions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Social security 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_PostemploymentBenefitExpenseInProfitOrLoss" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:to="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Post-employment benefit expense in profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pension costs</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherPersonnelCostsWarrantsGranted" xlink:label="glpg_OtherPersonnelCostsWarrantsGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherPersonnelCostsWarrantsGranted" xlink:to="glpg_OtherPersonnelCostsWarrantsGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherPersonnelCostsWarrantsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of costs associated with warrants granted that are included in other personnel costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherPersonnelCostsWarrantsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Personnel Costs Warrants Granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_OtherPersonnelCostsWarrantsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Costs related to subscription right 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_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/2009/role/negatedLabel" xlink:label="ifrs-full_OtherEmployeeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other personnel 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_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/negatedTotalLabel" xlink:label="ifrs-full_EmployeeBenefitsExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total personnel 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_AverageNumberOfEmployees" xlink:label="ifrs-full_AverageNumberOfEmployees" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AverageNumberOfEmployees" xlink:to="ifrs-full_AverageNumberOfEmployees_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AverageNumberOfEmployees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Average number of employees</label>
    <loc 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_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="glpg-20251231.xsd#glpg_CashAndCashEquivalentsAndCurrentFinancialInvestmentsMember" xlink:label="glpg_CashAndCashEquivalentsAndCurrentFinancialInvestmentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CashAndCashEquivalentsAndCurrentFinancialInvestmentsMember" xlink:to="glpg_CashAndCashEquivalentsAndCurrentFinancialInvestmentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CashAndCashEquivalentsAndCurrentFinancialInvestmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for cash and cash equivalents and current financial investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CashAndCashEquivalentsAndCurrentFinancialInvestmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents and current financial investments [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="glpg-20251231.xsd#glpg_AtAmortizedCostMember" xlink:label="glpg_AtAmortizedCostMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AtAmortizedCostMember" xlink:to="glpg_AtAmortizedCostMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AtAmortizedCostMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the financial assets measured at Amortised cost class.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AtAmortizedCostMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">At amortized cost [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_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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinancialAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial result</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NetUnrealizedCurrencyExchangeGainOtherFinancialIncome" xlink:label="glpg_NetUnrealizedCurrencyExchangeGainOtherFinancialIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NetUnrealizedCurrencyExchangeGainOtherFinancialIncome" xlink:to="glpg_NetUnrealizedCurrencyExchangeGainOtherFinancialIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NetUnrealizedCurrencyExchangeGainOtherFinancialIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of other financial income attributed to Unrealized currency exchange gain.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NetUnrealizedCurrencyExchangeGainOtherFinancialIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net unrealized Currency Exchange Gain Other Financial Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NetUnrealizedCurrencyExchangeGainOtherFinancialIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Unrealized currency exchange gain/loss (-)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NetRealizedCurrencyExchangeGainOtherFinancialIncome" xlink:label="glpg_NetRealizedCurrencyExchangeGainOtherFinancialIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NetRealizedCurrencyExchangeGainOtherFinancialIncome" xlink:to="glpg_NetRealizedCurrencyExchangeGainOtherFinancialIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NetRealizedCurrencyExchangeGainOtherFinancialIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of other financial income attributed to realized currency exchange gain.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NetRealizedCurrencyExchangeGainOtherFinancialIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net realized Currency Exchange Gain Other Financial Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NetRealizedCurrencyExchangeGainOtherFinancialIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net realized currency exchange gain/loss (-)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FairValueRemeasurementOfWarrants" xlink:label="glpg_FairValueRemeasurementOfWarrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FairValueRemeasurementOfWarrants" xlink:to="glpg_FairValueRemeasurementOfWarrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FairValueRemeasurementOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of fair value measurement of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FairValueRemeasurementOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value re-measurement of warrants</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gains (losses) on financial assets at fair value through profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value loss on financial assets held at fair value through profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustment for the year</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PositiveEffectFromSettlementOfHedgingInstrument" xlink:label="glpg_PositiveEffectFromSettlementOfHedgingInstrument" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PositiveEffectFromSettlementOfHedgingInstrument" xlink:to="glpg_PositiveEffectFromSettlementOfHedgingInstrument_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PositiveEffectFromSettlementOfHedgingInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Positive effect from settlement of hedging instrument</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PositiveEffectFromSettlementOfHedgingInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Positive effect from settlement of hedging instrument</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FairValueGainOnCurrentFinancialInvestments" xlink:label="glpg_FairValueGainOnCurrentFinancialInvestments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FairValueGainOnCurrentFinancialInvestments" xlink:to="glpg_FairValueGainOnCurrentFinancialInvestments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FairValueGainOnCurrentFinancialInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of fair value gain on current financial investments during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FairValueGainOnCurrentFinancialInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Gain On Current Financial Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_FairValueGainOnCurrentFinancialInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value gain on current financial investments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherFinanceIncomeAbstract" xlink:label="glpg_OtherFinanceIncomeAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherFinanceIncomeAbstract" xlink:to="glpg_OtherFinanceIncomeAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherFinanceIncomeAbstract_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="glpg_OtherFinanceIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Finance Income [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_OtherFinanceIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial 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_RevenueFromInterest" xlink:label="ifrs-full_RevenueFromInterest" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueFromInterest" xlink:to="ifrs-full_RevenueFromInterest_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueFromInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RevenueFromInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EffectOfDiscountingLongTermResearchAndDevelopmentIncentivesReceivables" xlink:label="glpg_EffectOfDiscountingLongTermResearchAndDevelopmentIncentivesReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EffectOfDiscountingLongTermResearchAndDevelopmentIncentivesReceivables" xlink:to="glpg_EffectOfDiscountingLongTermResearchAndDevelopmentIncentivesReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EffectOfDiscountingLongTermResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the amount of finance income generated from the effect of discounting long-term Research and Development incentives receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EffectOfDiscountingLongTermResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect Of Discounting Long Term Research And Development Incentives Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_EffectOfDiscountingLongTermResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discounting effect of non-current R&amp;D incentives receivables</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EffectOfDiscountingOfOtherNoncurrentLiabilities" xlink:label="glpg_EffectOfDiscountingOfOtherNoncurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EffectOfDiscountingOfOtherNoncurrentLiabilities" xlink:to="glpg_EffectOfDiscountingOfOtherNoncurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EffectOfDiscountingOfOtherNoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the amount of finance income generated from the effect of discounting of other non-current liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EffectOfDiscountingOfOtherNoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect Of Discounting Of Other NonCurrent Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_EffectOfDiscountingOfOtherNoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discounting effect of other non-current liabilities.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MiscellaneousOtherFinanceIncome" xlink:label="glpg_MiscellaneousOtherFinanceIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MiscellaneousOtherFinanceIncome" xlink:to="glpg_MiscellaneousOtherFinanceIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MiscellaneousOtherFinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous Other Finance income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MiscellaneousOtherFinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous Other Finance income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_MiscellaneousOtherFinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other finance income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherFinanceExpenseAbstract" xlink:label="glpg_OtherFinanceExpenseAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherFinanceExpenseAbstract" xlink:to="glpg_OtherFinanceExpenseAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherFinanceExpenseAbstract_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="glpg_OtherFinanceExpenseAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Finance Expense Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_OtherFinanceExpenseAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial 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_InterestExpense" xlink:label="ifrs-full_InterestExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpense" xlink:to="ifrs-full_InterestExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_InterestExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expenses</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EffectOfDiscountingLongTermDeferredIncome" xlink:label="glpg_EffectOfDiscountingLongTermDeferredIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EffectOfDiscountingLongTermDeferredIncome" xlink:to="glpg_EffectOfDiscountingLongTermDeferredIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EffectOfDiscountingLongTermDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">It represents the effect of discounting long term deferred income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EffectOfDiscountingLongTermDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of discounting long term deferred income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_EffectOfDiscountingLongTermDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discounting effect of non-current deferred income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_EffectOfDiscountingLongTermDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discounting effect of non-current deferred income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EffectOfDiscountingOtherNonCurrentLiabilities" xlink:label="glpg_EffectOfDiscountingOtherNonCurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EffectOfDiscountingOtherNonCurrentLiabilities" xlink:to="glpg_EffectOfDiscountingOtherNonCurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EffectOfDiscountingOtherNonCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of discounting effect of other non current liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EffectOfDiscountingOtherNonCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of Discounting Other Non Current Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_EffectOfDiscountingOtherNonCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discounting effect of other non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_EffectOfDiscountingOtherNonCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discounting effect of other non-current liabilities</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MiscellaneousOtherFinanceExpense" xlink:label="glpg_MiscellaneousOtherFinanceExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MiscellaneousOtherFinanceExpense" xlink:to="glpg_MiscellaneousOtherFinanceExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MiscellaneousOtherFinanceExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous Other Finance Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MiscellaneousOtherFinanceExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous Other Finance Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="glpg_MiscellaneousOtherFinanceExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other finance charges</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFinanceIncomeCost" xlink:label="ifrs-full_OtherFinanceIncomeCost" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinanceIncomeCost" xlink:to="ifrs-full_OtherFinanceIncomeCost_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinanceIncomeCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other finance income (cost)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherFinanceIncomeCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total net other financial income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FairValueGainsAndInterestIncomeExcludingCurrencyExchangeResults." xlink:label="glpg_FairValueGainsAndInterestIncomeExcludingCurrencyExchangeResults." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FairValueGainsAndInterestIncomeExcludingCurrencyExchangeResults." xlink:to="glpg_FairValueGainsAndInterestIncomeExcludingCurrencyExchangeResults._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FairValueGainsAndInterestIncomeExcludingCurrencyExchangeResults._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of Fair value gains and interest Income excluding currency exchange results.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FairValueGainsAndInterestIncomeExcludingCurrencyExchangeResults._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value gains and interest Income excluding currency exchange results.</label>
    <loc 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/2009/role/negatedLabel" xlink:label="ifrs-full_CurrentTaxExpenseIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current 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_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">Income/loss (-) 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_TaxExpenseIncomeAtApplicableTaxRate" xlink:label="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" 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_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">Income tax debit/credit (-), calculated using the Belgian statutory tax rate on the accounting income/loss (-) before tax (theoretical)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DifferenceInTaxExpenseIncomeBetweenStatutoryAndEffectiveTaxRate" xlink:label="glpg_DifferenceInTaxExpenseIncomeBetweenStatutoryAndEffectiveTaxRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DifferenceInTaxExpenseIncomeBetweenStatutoryAndEffectiveTaxRate" xlink:to="glpg_DifferenceInTaxExpenseIncomeBetweenStatutoryAndEffectiveTaxRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DifferenceInTaxExpenseIncomeBetweenStatutoryAndEffectiveTaxRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the difference in tax expense (income) between statutory and effective tax rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DifferenceInTaxExpenseIncomeBetweenStatutoryAndEffectiveTaxRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Difference In Tax Expense Income Between Statutory and Effective Tax Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DifferenceInTaxExpenseIncomeBetweenStatutoryAndEffectiveTaxRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Difference in tax expense/income to explain</label>
    <loc 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" />
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    <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">Effect of tax rates in other jurisdictions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" xlink:label="ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" xlink:to="ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax effect of revenues exempt from taxation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of non-taxable income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EffectOfShareBasedPaymentExpensesWithoutTaxImpact" xlink:label="glpg_EffectOfShareBasedPaymentExpensesWithoutTaxImpact" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EffectOfShareBasedPaymentExpensesWithoutTaxImpact" xlink:to="glpg_EffectOfShareBasedPaymentExpensesWithoutTaxImpact_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EffectOfShareBasedPaymentExpensesWithoutTaxImpact_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of share based payment expenses without tax impact</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EffectOfShareBasedPaymentExpensesWithoutTaxImpact_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of share based payment expenses without tax impact</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TaxEffectOfConsolidationEntryWithoutTaxImpact" xlink:label="glpg_TaxEffectOfConsolidationEntryWithoutTaxImpact" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TaxEffectOfConsolidationEntryWithoutTaxImpact" xlink:to="glpg_TaxEffectOfConsolidationEntryWithoutTaxImpact_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TaxEffectOfConsolidationEntryWithoutTaxImpact_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 the effect of consolidation entry without tax impact in determining taxable profit (tax loss). [Refer: Accounting profit]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TaxEffectOfConsolidationEntryWithoutTaxImpact_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Effect Of Consolidation Entry Without Tax Impact</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TaxEffectOfConsolidationEntryWithoutTaxImpact_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of expenses/income (-) not subject to 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_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:label="ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:to="ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax effect of expense not deductible in determining taxable profit (tax loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of non tax-deductible expenses</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TaxEffectOfRecognitionOfPreviouslyNonRecognizedDeferredTaxAssets" xlink:label="glpg_TaxEffectOfRecognitionOfPreviouslyNonRecognizedDeferredTaxAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TaxEffectOfRecognitionOfPreviouslyNonRecognizedDeferredTaxAssets" xlink:to="glpg_TaxEffectOfRecognitionOfPreviouslyNonRecognizedDeferredTaxAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TaxEffectOfRecognitionOfPreviouslyNonRecognizedDeferredTaxAssets_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 recognition of previously non recognized deferred tax assets in determining taxable profit (tax loss). [Refer: Accounting profit]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TaxEffectOfRecognitionOfPreviouslyNonRecognizedDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Effect Of Recognition Of Previously Non Recognized Deferred Tax Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TaxEffectOfRecognitionOfPreviouslyNonRecognizedDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of recognition of previously non-recognized 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_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/terseLabel" xlink:label="ifrs-full_TaxEffectOfTaxLosses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of tax losses (Utilized) reversed</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TaxEffectFromUnderOverProvisionPriorPeriods" xlink:label="glpg_TaxEffectFromUnderOverProvisionPriorPeriods" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TaxEffectFromUnderOverProvisionPriorPeriods" xlink:to="glpg_TaxEffectFromUnderOverProvisionPriorPeriods_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TaxEffectFromUnderOverProvisionPriorPeriods_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 under or over provisions from prior periods in determining taxable profit (tax loss). [Refer: Accounting profit]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TaxEffectFromUnderOverProvisionPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Effect From Under Over Provision Prior Periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TaxEffectFromUnderOverProvisionPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of under or over provision in prior periods</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TaxEffectFromNonRecognitionOfDeferredTaxAssets" xlink:label="glpg_TaxEffectFromNonRecognitionOfDeferredTaxAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TaxEffectFromNonRecognitionOfDeferredTaxAssets" xlink:to="glpg_TaxEffectFromNonRecognitionOfDeferredTaxAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TaxEffectFromNonRecognitionOfDeferredTaxAssets_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 non recognition of deferred tax assets in determining taxable profit (tax loss). [Refer: Accounting profit]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TaxEffectFromNonRecognitionOfDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Effect From Non Recognition Of Deferred Tax Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TaxEffectFromNonRecognitionOfDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of non-recognition of deferred tax assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TaxEffectOfDerecognitionOfPreviouslyRecognizedDeferredTaxAssets" xlink:label="glpg_TaxEffectOfDerecognitionOfPreviouslyRecognizedDeferredTaxAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TaxEffectOfDerecognitionOfPreviouslyRecognizedDeferredTaxAssets" xlink:to="glpg_TaxEffectOfDerecognitionOfPreviouslyRecognizedDeferredTaxAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TaxEffectOfDerecognitionOfPreviouslyRecognizedDeferredTaxAssets_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 effect of derecognition of previously recognized deferred tax assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TaxEffectOfDerecognitionOfPreviouslyRecognizedDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Effect Of Derecognition Of Previously Recognized Deferred Tax Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TaxEffectOfDerecognitionOfPreviouslyRecognizedDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of derecognition of previously recognized deferred tax assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TaxEffectOfUseOfInnovationIncomeDeduction" xlink:label="glpg_TaxEffectOfUseOfInnovationIncomeDeduction" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TaxEffectOfUseOfInnovationIncomeDeduction" xlink:to="glpg_TaxEffectOfUseOfInnovationIncomeDeduction_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TaxEffectOfUseOfInnovationIncomeDeduction_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 effect of use of innovation income deduction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TaxEffectOfUseOfInnovationIncomeDeduction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Effect Of Use Of Innovation Income Deduction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_TaxEffectOfUseOfInnovationIncomeDeduction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of use of IID</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AmountOfDifferencesInTaxExpenseIncomeBetweenStatutoryAndEffectiveRateExplained" xlink:label="glpg_AmountOfDifferencesInTaxExpenseIncomeBetweenStatutoryAndEffectiveRateExplained" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AmountOfDifferencesInTaxExpenseIncomeBetweenStatutoryAndEffectiveRateExplained" xlink:to="glpg_AmountOfDifferencesInTaxExpenseIncomeBetweenStatutoryAndEffectiveRateExplained_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AmountOfDifferencesInTaxExpenseIncomeBetweenStatutoryAndEffectiveRateExplained_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the amount explained of the difference in tax expense (income) between the statutory and effective tax rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AmountOfDifferencesInTaxExpenseIncomeBetweenStatutoryAndEffectiveRateExplained_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount Of Differences In Tax Expense Income Between Statutory and Effective Rate Explained</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_AmountOfDifferencesInTaxExpenseIncomeBetweenStatutoryAndEffectiveRateExplained_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total explanations</label>
    <loc 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" />
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    <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_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" 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_ApplicableTaxRate" xlink:label="ifrs-full_ApplicableTaxRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ApplicableTaxRate" xlink:to="ifrs-full_ApplicableTaxRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ApplicableTaxRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Applicable 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_BasicEarningsPerShareAbstract" xlink:label="ifrs-full_BasicEarningsPerShareAbstract" 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_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:label="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" 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_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill" 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_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange differences on goodwill</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AboundbioAcquisitionMember" xlink:label="glpg_AboundbioAcquisitionMember" 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="glpg_AboundbioAcquisitionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for AboundBio acquisition.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AboundbioAcquisitionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AboundBio Acquisition [Member]</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_TechnologybasedIntangibleAssetsMember" xlink:label="ifrs-full_TechnologybasedIntangibleAssetsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TechnologybasedIntangibleAssetsMember" xlink:to="ifrs-full_TechnologybasedIntangibleAssetsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TechnologybasedIntangibleAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">In process technology</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_BrandsLicensesPatentsAndKnowHowMember" xlink:label="glpg_BrandsLicensesPatentsAndKnowHowMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_BrandsLicensesPatentsAndKnowHowMember" xlink:to="glpg_BrandsLicensesPatentsAndKnowHowMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_BrandsLicensesPatentsAndKnowHowMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a class of intangible assets representing brands, licenses, patents, and know-how.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_BrandsLicensesPatentsAndKnowHowMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Licenses, rights, technology and in process R&amp;D</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_BrandsLicensesPatentsAndKnowHowMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Licenses, rights, technology and in process R&amp;D</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:label="ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:to="ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Copyrights, patents and other industrial property rights, service and operating rights [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exclusive rights</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CarTProductCandidatesMember" xlink:label="glpg_CarTProductCandidatesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CarTProductCandidatesMember" xlink:to="glpg_CarTProductCandidatesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CarTProductCandidatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Car-T Product Candidates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CarTProductCandidatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CAR-T Product Candidates [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ExclusiveRightsWithLonzaMember" xlink:label="glpg_ExclusiveRightsWithLonzaMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ExclusiveRightsWithLonzaMember" xlink:to="glpg_ExclusiveRightsWithLonzaMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ExclusiveRightsWithLonzaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for exclusive rights with Lonza.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ExclusiveRightsWithLonzaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exclusive Rights With Lonza [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ExclusiveRightsPaidToAdaptimmuneMember" xlink:label="glpg_ExclusiveRightsPaidToAdaptimmuneMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ExclusiveRightsPaidToAdaptimmuneMember" xlink:to="glpg_ExclusiveRightsPaidToAdaptimmuneMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ExclusiveRightsPaidToAdaptimmuneMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for exclusive rights paid to Adaptimmune</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ExclusiveRightsPaidToAdaptimmuneMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exclusive Rights Paid To Adaptimmune [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ExclusiveRightsPaidToPregeneMember" xlink:label="glpg_ExclusiveRightsPaidToPregeneMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ExclusiveRightsPaidToPregeneMember" xlink:to="glpg_ExclusiveRightsPaidToPregeneMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ExclusiveRightsPaidToPregeneMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for exclusive rights paid to Pregene</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ExclusiveRightsPaidToPregeneMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exclusive Rights Paid To Pregene [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_ContractAssetsMember" xlink:label="ifrs-full_ContractAssetsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContractAssetsMember" xlink:to="ifrs-full_ContractAssetsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContractAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contract 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_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 [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherIntangibleRelatedToAcquisitionOfCellPointAndAboundbioMember" xlink:label="glpg_OtherIntangibleRelatedToAcquisitionOfCellPointAndAboundbioMember" 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="glpg_OtherIntangibleRelatedToAcquisitionOfCellPointAndAboundbioMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Other intangible Related To Acquisition Of Cell Point And AboundBio.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherIntangibleRelatedToAcquisitionOfCellPointAndAboundbioMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other intangible Related To Acquisition Of Cell Point And AboundBio [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_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">Acquisition value</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 amount before fair value 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_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:to="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated depreciation, amortisation and impairment [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciations and impairment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amortization and 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_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" 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_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_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">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_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposals and retirements, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales and 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_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">Translation differences</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfCarTProductCandidatesAcquired" xlink:label="glpg_NumberOfCarTProductCandidatesAcquired" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfCarTProductCandidatesAcquired" xlink:to="glpg_NumberOfCarTProductCandidatesAcquired_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfCarTProductCandidatesAcquired_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of CAR-T Product candidates acquired through in-process research and development.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfCarTProductCandidatesAcquired_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of CAR T Product Candidates Acquired</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_UpfrontExclusivityConsiderationPaid" xlink:label="glpg_UpfrontExclusivityConsiderationPaid" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_UpfrontExclusivityConsiderationPaid" xlink:to="glpg_UpfrontExclusivityConsiderationPaid_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_UpfrontExclusivityConsiderationPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This refers to the upfront exclusivity consideration paid to Adaptimmune.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_UpfrontExclusivityConsiderationPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront Exclusivity Consideration Paid</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_LandAndBuildingImprovementsMember" xlink:label="glpg_LandAndBuildingImprovementsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_LandAndBuildingImprovementsMember" xlink:to="glpg_LandAndBuildingImprovementsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_LandAndBuildingImprovementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a class of property, plant and equipment representing land and building improvements and similar structures for use in operations. [Refer: Buildings; Land; Property, plant and equipment]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_LandAndBuildingImprovementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Land, buildings and leasehold improvements</label>
    <loc 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 tangible assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_LabEquipmentMember" xlink:label="glpg_LabEquipmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_LabEquipmentMember" xlink:to="glpg_LabEquipmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_LabEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a class of property, plant and equipment representing lab equipments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_LabEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lab Equipment [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_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/periodEndLabel" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment fully owned</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additions other than through business combinations, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_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_DepreciationPropertyPlantAndEquipment" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:to="ifrs-full_DepreciationPropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">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_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</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:label="ifrs-full_DisposalsPropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:to="ifrs-full_DisposalsPropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisposalsPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposals, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_DisposalsPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales and 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_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:to="ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through transfers, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_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_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:label="ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:to="ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease through classified as held for sale, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reclassifications to assets in disposal group classified as held for sale</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through net exchange differences, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Translation 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_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 building</label>
    <loc 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="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</label>
    <loc 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">Right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_RightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">On December 31,</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_RightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">On January 1</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsToRightofuseAssets" xlink:label="ifrs-full_AdditionsToRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdditionsToRightofuseAssets" xlink:to="ifrs-full_AdditionsToRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdditionsToRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additions to right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdditionsToRightofuseAssets_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_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, right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DepreciationRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">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_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss recognised in profit or loss, right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets_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_DisposalsRightofuseAssets" xlink:label="ifrs-full_DisposalsRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisposalsRightofuseAssets" xlink:to="ifrs-full_DisposalsRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisposalsRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposals, right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DisposalsRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales and 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_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through net exchange differences, right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Translation 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_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">Pledged 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_EquityInvestmentsMember" xlink:label="ifrs-full_EquityInvestmentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityInvestmentsMember" xlink:to="ifrs-full_EquityInvestmentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityInvestmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity instruments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AcquisitionInEquityInstrumentOfYear" xlink:label="glpg_AcquisitionInEquityInstrumentOfYear" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AcquisitionInEquityInstrumentOfYear" xlink:to="glpg_AcquisitionInEquityInstrumentOfYear_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AcquisitionInEquityInstrumentOfYear_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase in equity investment due to acquisition of the year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AcquisitionInEquityInstrumentOfYear_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Acquisition In Equity Instrument Of The year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AcquisitionInEquityInstrumentOfYear_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Acquisition 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_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserve of gains and losses on financial assets measured at fair value through other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustment at December 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustment at January 1</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xlink:label="ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xlink:to="ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gains (losses) recognised in other comprehensive income including exchange differences, fair value measurement, assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustment of the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustment on financial assets held at fair value through other comprehensive 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_ConvertibleInstrumentsMember" xlink:label="ifrs-full_ConvertibleInstrumentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ConvertibleInstrumentsMember" xlink:to="ifrs-full_ConvertibleInstrumentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ConvertibleInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Convertible instruments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ConvertibleInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Convertible 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_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/periodEndLabel" xlink:label="ifrs-full_FinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost at December 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_FinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost at January 1</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">Financial assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AcquisitionOfYearConvertibleLoans" xlink:label="glpg_AcquisitionOfYearConvertibleLoans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AcquisitionOfYearConvertibleLoans" xlink:to="glpg_AcquisitionOfYearConvertibleLoans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AcquisitionOfYearConvertibleLoans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of acquisition of convertible loans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AcquisitionOfYearConvertibleLoans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Acquisition of the year convertible Loans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AcquisitionOfYearConvertibleLoans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Acquisition of the year</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughProfitAndLoss" xlink:label="glpg_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughProfitAndLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughProfitAndLoss" xlink:to="glpg_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughProfitAndLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughProfitAndLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The gains (losses) on Financial Assets Measured At Fair Value Through Profit And Loss.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughProfitAndLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserve Of Gains And Losses On Financial Assets Measured At Fair Value Through Profit And Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="glpg_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughProfitAndLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustment at December 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="glpg_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughProfitAndLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustment at January 1</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_InterestRateReceivablePerAnnum" xlink:label="glpg_InterestRateReceivablePerAnnum" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_InterestRateReceivablePerAnnum" xlink:to="glpg_InterestRateReceivablePerAnnum_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_InterestRateReceivablePerAnnum_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The interest rate receivable per annum at maturity date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_InterestRateReceivablePerAnnum_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest Rate Receivable Per Annum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_InterestRateReceivablePerAnnum_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest rate receivable per annum at maturity date</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MinimumSubscriptionToBeDoneByThirdPartyAsConditionOfConversionOfLoanIntoPreferredEquityShares" xlink:label="glpg_MinimumSubscriptionToBeDoneByThirdPartyAsConditionOfConversionOfLoanIntoPreferredEquityShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MinimumSubscriptionToBeDoneByThirdPartyAsConditionOfConversionOfLoanIntoPreferredEquityShares" xlink:to="glpg_MinimumSubscriptionToBeDoneByThirdPartyAsConditionOfConversionOfLoanIntoPreferredEquityShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MinimumSubscriptionToBeDoneByThirdPartyAsConditionOfConversionOfLoanIntoPreferredEquityShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The minimum subscription to be done by third party as condition of conversion of loan into preferred equity shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MinimumSubscriptionToBeDoneByThirdPartyAsConditionOfConversionOfLoanIntoPreferredEquityShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">minimum subscription to be done by third party as condition of conversion of loan into preferred equity 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_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:label="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:to="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeAxis" xlink:label="glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeAxis" xlink:to="glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by collaborative arrangement and arrangements 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="glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Collaborative Arrangement and Arrangements Other than Collaborative [Axis]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeDomain" xlink:label="glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeDomain" xlink:to="glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeDomain_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="glpg_IfrsCollaborativeArrangementAndArrangementsOtherThanCollaborativeDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Collaborative Arrangement and Arrangements Other than Collaborative [Domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CollaborationAgreementForDrugDiscoveryAndResearchOperationsMember" xlink:label="glpg_CollaborationAgreementForDrugDiscoveryAndResearchOperationsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CollaborationAgreementForDrugDiscoveryAndResearchOperationsMember" xlink:to="glpg_CollaborationAgreementForDrugDiscoveryAndResearchOperationsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CollaborationAgreementForDrugDiscoveryAndResearchOperationsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Collaboration agreement for drug discovery and research operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CollaborationAgreementForDrugDiscoveryAndResearchOperationsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaboration agreement for drug discovery and research 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_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:label="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:to="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_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_NoncurrentRestrictedCashAndCashEquivalents" xlink:label="ifrs-full_NoncurrentRestrictedCashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentRestrictedCashAndCashEquivalents" xlink:to="ifrs-full_NoncurrentRestrictedCashAndCashEquivalents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentRestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current restricted cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentRestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current restricted cash</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NoncurrentPortionOfUpfrontPaymentToCounterpartyInCollaborativeArrangement" xlink:label="glpg_NoncurrentPortionOfUpfrontPaymentToCounterpartyInCollaborativeArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NoncurrentPortionOfUpfrontPaymentToCounterpartyInCollaborativeArrangement" xlink:to="glpg_NoncurrentPortionOfUpfrontPaymentToCounterpartyInCollaborativeArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NoncurrentPortionOfUpfrontPaymentToCounterpartyInCollaborativeArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of noncurrent portion of upfront payment made to a counterparty in a collaborative arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NoncurrentPortionOfUpfrontPaymentToCounterpartyInCollaborativeArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Noncurrent Portion Of Upfront Payment To Counterparty In A Collaborative Arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NoncurrentPortionOfUpfrontPaymentToCounterpartyInCollaborativeArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current portion of upfront payment to NovAlix</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NoncurrentPortionOfAdvanceMadeToCounterpartyInCollaborativeArrangement" xlink:label="glpg_NoncurrentPortionOfAdvanceMadeToCounterpartyInCollaborativeArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NoncurrentPortionOfAdvanceMadeToCounterpartyInCollaborativeArrangement" xlink:to="glpg_NoncurrentPortionOfAdvanceMadeToCounterpartyInCollaborativeArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NoncurrentPortionOfAdvanceMadeToCounterpartyInCollaborativeArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of noncurrent portion of advance made to a counterparty in a collaborative arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NoncurrentPortionOfAdvanceMadeToCounterpartyInCollaborativeArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Noncurrent Portion Of Advance Made To Counterparty In A Collaborative Arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NoncurrentPortionOfAdvanceMadeToCounterpartyInCollaborativeArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current portion of advance related to the NovAliX transaction</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets at fair value through profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets held at fair value through profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets held at fair value through profit or loss</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherMiscellaneousNonCurrentAssets" xlink:label="glpg_OtherMiscellaneousNonCurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherMiscellaneousNonCurrentAssets" xlink:to="glpg_OtherMiscellaneousNonCurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherMiscellaneousNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of miscellaneous other non current assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherMiscellaneousNonCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Miscellaneous Non-current Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_OtherMiscellaneousNonCurrentAssets_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_Prepayments" xlink:label="ifrs-full_Prepayments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Prepayments" xlink:to="ifrs-full_Prepayments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Prepayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prepayments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Prepayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current and non-current prepayments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ResearchAndDevelopmentIncentivesReceivables" xlink:label="glpg_ResearchAndDevelopmentIncentivesReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ResearchAndDevelopmentIncentivesReceivables" xlink:to="glpg_ResearchAndDevelopmentIncentivesReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of research and development incentives receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and development incentive receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_ResearchAndDevelopmentIncentivesReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total R&amp;D incentives 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_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="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 [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_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:to="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later than two years and not later than three 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_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 [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_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 [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_LaterThanFiveYearsAndNotLaterThanTenYearsMember" xlink:label="ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember" xlink:to="ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Later than five years and not later than ten 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_RawMaterials" xlink:label="ifrs-full_RawMaterials" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RawMaterials" xlink:to="ifrs-full_RawMaterials_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RawMaterials_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current raw materials</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RawMaterials_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Raw materials</label>
    <loc 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/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="glpg-20251231.xsd#glpg_CurrentContingentConsiderationReceivable" xlink:label="glpg_CurrentContingentConsiderationReceivable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CurrentContingentConsiderationReceivable" xlink:to="glpg_CurrentContingentConsiderationReceivable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CurrentContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of current contingent consideration receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CurrentContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Contingent Consideration 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_CurrentPrepayments" xlink:label="ifrs-full_CurrentPrepayments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentPrepayments" xlink:to="ifrs-full_CurrentPrepayments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentPrepayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current prepayments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentPrepayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prepayments</label>
    <loc 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>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAccruedIncomeOtherThanCurrentContractAssets" xlink:label="ifrs-full_CurrentAccruedIncomeOtherThanCurrentContractAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAccruedIncomeOtherThanCurrentContractAssets" xlink:to="ifrs-full_CurrentAccruedIncomeOtherThanCurrentContractAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAccruedIncomeOtherThanCurrentContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current accrued income other than current contract assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentAccruedIncomeOtherThanCurrentContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued income</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DeferredCharges" xlink:label="glpg_DeferredCharges" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DeferredCharges" xlink:to="glpg_DeferredCharges_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DeferredCharges_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred charges are a prepaid expense that is treated as an asset on a balance sheet and is carried forward until it is actually used.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DeferredCharges_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred Charges</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TradeAndOtherReceivablesAndOtherCurrentAsset" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TradeAndOtherReceivablesAndOtherCurrentAsset" xlink:to="glpg_TradeAndOtherReceivablesAndOtherCurrentAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of trade payables and other payables and other current assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade And Other Receivables And Other Current Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_TradeAndOtherReceivablesAndOtherCurrentAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total trade and other receivables &amp; 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_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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" 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="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 [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncreaseDecreaseInDeferredChargess" xlink:label="glpg_IncreaseDecreaseInDeferredChargess" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncreaseDecreaseInDeferredChargess" xlink:to="glpg_IncreaseDecreaseInDeferredChargess_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncreaseDecreaseInDeferredChargess_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of increase decrease in deferred charges due to funding paid to Adaptimmune.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncreaseDecreaseInDeferredChargess_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Deferred Chargess</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_IncreaseDecreaseInDeferredChargess_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) in deferred charges</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfDisputedInvoices" xlink:label="glpg_NumberOfDisputedInvoices" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfDisputedInvoices" xlink:to="glpg_NumberOfDisputedInvoices_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfDisputedInvoices_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of disputed invoices.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfDisputedInvoices_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Disputed Invoices</label>
    <loc 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="glpg-20251231.xsd#glpg_TermDepositsMember" xlink:label="glpg_TermDepositsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TermDepositsMember" xlink:to="glpg_TermDepositsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TermDepositsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for term deposits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TermDepositsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term Deposits [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_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/totalLabel" xlink:label="ifrs-full_NoncurrentFinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total non-current financial investments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MaturityPeriodForTermDeposit" xlink:label="glpg_MaturityPeriodForTermDeposit" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MaturityPeriodForTermDeposit" xlink:to="glpg_MaturityPeriodForTermDeposit_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MaturityPeriodForTermDeposit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Refers to the maturity period for term deposit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MaturityPeriodForTermDeposit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maturity Period For Term Deposit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_MaturityPeriodForTermDeposit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maturity</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MoneyMarketFunds.Member" xlink:label="glpg_MoneyMarketFunds.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MoneyMarketFunds.Member" xlink:to="glpg_MoneyMarketFunds.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MoneyMarketFunds.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for money market funds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MoneyMarketFunds.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Money market funds. [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TreasuryBillsMember" xlink:label="glpg_TreasuryBillsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TreasuryBillsMember" xlink:to="glpg_TreasuryBillsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TreasuryBillsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for money treasury bills</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TreasuryBillsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treasury bills [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TermDepsitsMember" xlink:label="glpg_TermDepsitsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TermDepsitsMember" xlink:to="glpg_TermDepsitsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TermDepsitsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for term deposits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TermDepsitsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term Depsits [member]</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">U.S. Dollars</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" xlink:label="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" xlink:to="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [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_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:label="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:to="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems_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_BalancesWithBanks" xlink:label="ifrs-full_BalancesWithBanks" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BalancesWithBanks" xlink:to="ifrs-full_BalancesWithBanks_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BalancesWithBanks_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balances with banks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BalancesWithBanks_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash at banks</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AggregateShareCapitalAfterTransaction" xlink:label="glpg_AggregateShareCapitalAfterTransaction" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AggregateShareCapitalAfterTransaction" xlink:to="glpg_AggregateShareCapitalAfterTransaction_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AggregateShareCapitalAfterTransaction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of aggregate share capital after the transaction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AggregateShareCapitalAfterTransaction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate Share Capital After Transaction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AggregateShareCapitalAfterTransaction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate share capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_AggregateShareCapitalAfterTransaction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate share capital after transaction</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AccumulatedCostOfCapital" xlink:label="glpg_AccumulatedCostOfCapital" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AccumulatedCostOfCapital" xlink:to="glpg_AccumulatedCostOfCapital_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AccumulatedCostOfCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated Cost of Capital (increase) decrease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AccumulatedCostOfCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated Cost of Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_AccumulatedCostOfCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Costs of capital increase (accumulated)</label>
    <loc 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_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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">History of the 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_NumberOfSharesIssuedAndFullyPaid" xlink:label="ifrs-full_NumberOfSharesIssuedAndFullyPaid" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:to="ifrs-full_NumberOfSharesIssuedAndFullyPaid_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesIssuedAndFullyPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares issued and fully paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfSharesIssuedAndFullyPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at end of year, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfSharesIssuedAndFullyPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at beginning of year, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfSharesIssuedAndFullyPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfSharesIssuedAndFullyPaid_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate number of shares after transaction</label>
    <loc 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 of 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_ChangesInEquity" xlink:label="ifrs-full_ChangesInEquity" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ChangesInEquity" xlink:to="ifrs-full_ChangesInEquity_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ChangesInEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ChangesInEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital increases</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ShareCapitalAndSharePremiumMember" xlink:label="glpg_ShareCapitalAndSharePremiumMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ShareCapitalAndSharePremiumMember" xlink:to="glpg_ShareCapitalAndSharePremiumMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ShareCapitalAndSharePremiumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share capital and share premium</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ShareCapitalAndSharePremiumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share capital and share premium</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ShareCapitalAndSharePremium" xlink:label="glpg_ShareCapitalAndSharePremium" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ShareCapitalAndSharePremium" xlink:to="glpg_ShareCapitalAndSharePremium_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ShareCapitalAndSharePremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of share capital and share premium.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ShareCapitalAndSharePremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share Capital and Share Premium</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncreaseDecreaseThroughExerciseOfWarrantsEquityIncludingAdjustments" xlink:label="glpg_IncreaseDecreaseThroughExerciseOfWarrantsEquityIncludingAdjustments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncreaseDecreaseThroughExerciseOfWarrantsEquityIncludingAdjustments" xlink:to="glpg_IncreaseDecreaseThroughExerciseOfWarrantsEquityIncludingAdjustments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncreaseDecreaseThroughExerciseOfWarrantsEquityIncludingAdjustments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in equity, including adjustments, resulting from the exercise of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncreaseDecreaseThroughExerciseOfWarrantsEquityIncludingAdjustments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease Through Exercise Of Warrants Equity Including Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_IncreaseDecreaseThroughExerciseOfWarrantsEquityIncludingAdjustments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total exercise of warrant A by Gilead</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOrdinarySharesAxis" xlink:label="ifrs-full_ClassesOfOrdinarySharesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfOrdinarySharesAxis" xlink:to="ifrs-full_ClassesOfOrdinarySharesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfOrdinarySharesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of ordinary shares [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_ClassesOfOrdinarySharesDomain" xlink:label="ifrs-full_ClassesOfOrdinarySharesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfOrdinarySharesDomain" xlink:to="ifrs-full_ClassesOfOrdinarySharesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfOrdinarySharesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of ordinary shares [domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OrdinarySharesNoClassMember" xlink:label="glpg_OrdinarySharesNoClassMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OrdinarySharesNoClassMember" xlink:to="glpg_OrdinarySharesNoClassMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OrdinarySharesNoClassMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for ordinary shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OrdinarySharesNoClassMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ordinary Shares</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GeneralAuthorizationOfShareCapitalMember" xlink:label="glpg_GeneralAuthorizationOfShareCapitalMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GeneralAuthorizationOfShareCapitalMember" xlink:to="glpg_GeneralAuthorizationOfShareCapitalMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GeneralAuthorizationOfShareCapitalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the general authorization for share capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GeneralAuthorizationOfShareCapitalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General authorization of share capital</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SpecificAuthorizationOfShareCapitalMember" xlink:label="glpg_SpecificAuthorizationOfShareCapitalMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SpecificAuthorizationOfShareCapitalMember" xlink:to="glpg_SpecificAuthorizationOfShareCapitalMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SpecificAuthorizationOfShareCapitalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the specific authorization for share capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SpecificAuthorizationOfShareCapitalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Specific authorization of share capital</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AuthorizationTermOfBoardOfDirectors" xlink:label="glpg_AuthorizationTermOfBoardOfDirectors" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AuthorizationTermOfBoardOfDirectors" xlink:to="glpg_AuthorizationTermOfBoardOfDirectors_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AuthorizationTermOfBoardOfDirectors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period of authorization for the board of directors to increase the share capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AuthorizationTermOfBoardOfDirectors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Authorization Term of Board of Directors</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AuthorizationTermOfBoardOfDirectors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Authorization period</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AuthorizedCapitalApprovedByShareholderS" xlink:label="glpg_AuthorizedCapitalApprovedByShareholderS" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AuthorizedCapitalApprovedByShareholderS" xlink:to="glpg_AuthorizedCapitalApprovedByShareholderS_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AuthorizedCapitalApprovedByShareholderS_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of authorized capital as approved by the extraordinary shareholders' meeting.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AuthorizedCapitalApprovedByShareholderS_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Authorized Capital Approved by Shareholder's</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_AuthorizedCapitalApprovedByShareholderS_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Authorized capital, approved</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RemainingBalanceOfGeneralPartOfAuthorizedCapitalAvailable" xlink:label="glpg_RemainingBalanceOfGeneralPartOfAuthorizedCapitalAvailable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RemainingBalanceOfGeneralPartOfAuthorizedCapitalAvailable" xlink:to="glpg_RemainingBalanceOfGeneralPartOfAuthorizedCapitalAvailable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RemainingBalanceOfGeneralPartOfAuthorizedCapitalAvailable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of general part of authorized capital available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RemainingBalanceOfGeneralPartOfAuthorizedCapitalAvailable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remaining Balance Of General Part Of Authorized Capital Available</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RemainingBalanceOfGeneralPartOfAuthorizedCapitalAvailable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Authorized capital, remained available under the general part</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PercentageOfShareCapitalIncreaseRenewed" xlink:label="glpg_PercentageOfShareCapitalIncreaseRenewed" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageOfShareCapitalIncreaseRenewed" xlink:to="glpg_PercentageOfShareCapitalIncreaseRenewed_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PercentageOfShareCapitalIncreaseRenewed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the percentage of share capital increase renewed in the shareholders' meeting.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PercentageOfShareCapitalIncreaseRenewed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Share Capital Increase Renewed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_PercentageOfShareCapitalIncreaseRenewed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage 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_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:to="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Remeasurement 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_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="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible assets other than goodwill [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible assets other than goodwill</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RetirementBenefitLiabilitiesMember" xlink:label="glpg_RetirementBenefitLiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RetirementBenefitLiabilitiesMember" xlink:to="glpg_RetirementBenefitLiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RetirementBenefitLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for retirement benefit liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RetirementBenefitLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retirement Benefit Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RetirementBenefitLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retirement benefit 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_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 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_UnusedTaxLossesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax loss carryforward</label>
    <loc 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 and equipment [member]</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">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_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 temporary differences [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" 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_AssetsAndLiabilitiesAxis" xlink:label="ifrs-full_AssetsAndLiabilitiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsAndLiabilitiesAxis" xlink:to="ifrs-full_AssetsAndLiabilitiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsAndLiabilitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets and 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_AssetsAndLiabilitiesDomain" xlink:label="ifrs-full_AssetsAndLiabilitiesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsAndLiabilitiesDomain" xlink:to="ifrs-full_AssetsAndLiabilitiesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsAndLiabilitiesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets and liabilities [domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DeferredTaxAssetsMember" xlink:label="glpg_DeferredTaxAssetsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DeferredTaxAssetsMember" xlink:to="glpg_DeferredTaxAssetsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DeferredTaxAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for deferred tax assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DeferredTaxAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred Tax Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DeferredTaxAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred tax assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DeferredTaxLiabilitiesMember" xlink:label="glpg_DeferredTaxLiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DeferredTaxLiabilitiesMember" xlink:to="glpg_DeferredTaxLiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DeferredTaxLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for deferred tax liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DeferredTaxLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred Tax Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DeferredTaxLiabilitiesMember_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_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">On December 31</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">On January 1</label>
    <loc 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/2009/role/negatedTerseLabel" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Credited/charged (-) to profit 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_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/2009/role/negatedTerseLabel" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Charged to other comprehensive 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_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/negatedTerseLabel" 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="glpg-20251231.xsd#glpg_InvestmentDeductionMember" xlink:label="glpg_InvestmentDeductionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_InvestmentDeductionMember" xlink:to="glpg_InvestmentDeductionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_InvestmentDeductionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information pertaining to the investment deduction in determination of tax expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_InvestmentDeductionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Deduction</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_InnovationIncomeDeductionAndInvestmentDeductionMember" xlink:label="glpg_InnovationIncomeDeductionAndInvestmentDeductionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_InnovationIncomeDeductionAndInvestmentDeductionMember" xlink:to="glpg_InnovationIncomeDeductionAndInvestmentDeductionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_InnovationIncomeDeductionAndInvestmentDeductionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information pertaining to the innovation income deduction and investment deduction in determination of tax expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_InnovationIncomeDeductionAndInvestmentDeductionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Innovation Income Deduction And Investment Deduction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_InnovationIncomeDeductionAndInvestmentDeductionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Innovation Income, dividend received deduction and investment deduction</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DueToInnovationIncomeDeductionMember" xlink:label="glpg_DueToInnovationIncomeDeductionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DueToInnovationIncomeDeductionMember" xlink:to="glpg_DueToInnovationIncomeDeductionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DueToInnovationIncomeDeductionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to due to innovation income deduction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DueToInnovationIncomeDeductionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Due to innovation income deduction</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AllLossesIncludingInnovationIncomeDeductionMember" xlink:label="glpg_AllLossesIncludingInnovationIncomeDeductionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AllLossesIncludingInnovationIncomeDeductionMember" xlink:to="glpg_AllLossesIncludingInnovationIncomeDeductionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AllLossesIncludingInnovationIncomeDeductionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to all losses including innovation income deduction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AllLossesIncludingInnovationIncomeDeductionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">All losses including innovation income deduction [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DividendReceivedDeductionCarriedForwardToBeOffsetAgainstFutureIncomeMember" xlink:label="glpg_DividendReceivedDeductionCarriedForwardToBeOffsetAgainstFutureIncomeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DividendReceivedDeductionCarriedForwardToBeOffsetAgainstFutureIncomeMember" xlink:to="glpg_DividendReceivedDeductionCarriedForwardToBeOffsetAgainstFutureIncomeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DividendReceivedDeductionCarriedForwardToBeOffsetAgainstFutureIncomeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to dividend received deduction carried forward to be offset against future income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DividendReceivedDeductionCarriedForwardToBeOffsetAgainstFutureIncomeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Dividend received deduction carried forward to be offset against future income Screen reader support enabled.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ConsolidatedTaxLossesCarriedForwardAndDeductibleTemporaryDifferencesMember" xlink:label="glpg_ConsolidatedTaxLossesCarriedForwardAndDeductibleTemporaryDifferencesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ConsolidatedTaxLossesCarriedForwardAndDeductibleTemporaryDifferencesMember" xlink:to="glpg_ConsolidatedTaxLossesCarriedForwardAndDeductibleTemporaryDifferencesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ConsolidatedTaxLossesCarriedForwardAndDeductibleTemporaryDifferencesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information pertaining to consolidated tax losses carried forward and deductible temporary differences.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ConsolidatedTaxLossesCarriedForwardAndDeductibleTemporaryDifferencesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated Tax Losses Carried Forward And Deductible Temporary DIfferences [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_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsidiaries [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_SignificantInvestmentsInSubsidiariesDomain" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsidiaries [domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubsidiaryCompaniesOperatingOnCostPlusBasisForWhomDeferredTaxAssetIsRecognizedMember" xlink:label="glpg_SubsidiaryCompaniesOperatingOnCostPlusBasisForWhomDeferredTaxAssetIsRecognizedMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubsidiaryCompaniesOperatingOnCostPlusBasisForWhomDeferredTaxAssetIsRecognizedMember" xlink:to="glpg_SubsidiaryCompaniesOperatingOnCostPlusBasisForWhomDeferredTaxAssetIsRecognizedMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubsidiaryCompaniesOperatingOnCostPlusBasisForWhomDeferredTaxAssetIsRecognizedMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands subsidiary companies operating on a cost plus basis for whom deferred tax assets was recognized.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubsidiaryCompaniesOperatingOnCostPlusBasisForWhomDeferredTaxAssetIsRecognizedMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsidiary Companies Operating On A Cost Plus Basis For Whom Deferred Tax Asset is Recognized [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubsidiaryCompaniesOperatingOnCostPlusBasisForWhomDeferredTaxAssetIsRecognizedMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsidiary companies operating on a cost plus basis</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosNvBelgiumMember" xlink:label="glpg_GalapagosNvBelgiumMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosNvBelgiumMember" xlink:to="glpg_GalapagosNvBelgiumMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosNvBelgiumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the subsidiary, Galapagos NV (incorporated in Belgium).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosNvBelgiumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Nv (Belgium)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DefinitePeriodMember" xlink:label="glpg_DefinitePeriodMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DefinitePeriodMember" xlink:to="glpg_DefinitePeriodMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DefinitePeriodMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This represents an definite period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DefinitePeriodMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Definite Period [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_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:label="ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:to="ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deductible temporary differences for which no deferred tax asset is recognised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of tax attributes and 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_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:label="ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:to="ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unused tax losses for which no deferred tax asset recognised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of unused tax losses carried forward</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_UnrecognizedDeferredTaxAssets" xlink:label="glpg_UnrecognizedDeferredTaxAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_UnrecognizedDeferredTaxAssets" xlink:to="glpg_UnrecognizedDeferredTaxAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_UnrecognizedDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amounts of unrecognized deferred tax asset.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_UnrecognizedDeferredTaxAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unrecognized 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_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">Less than 1 year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NotLaterThanOneYearMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Less than 1 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_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">In the second to fifth years inclusive</label>
    <loc 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">More than 5 years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">More than 5 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_CashOutflowForLeases" xlink:label="ifrs-full_CashOutflowForLeases" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashOutflowForLeases" xlink:to="ifrs-full_CashOutflowForLeases_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashOutflowForLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash outflow for leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashOutflowForLeases_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease payments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FutureFinanceChargeOnLeaseLiabilities" xlink:label="glpg_FutureFinanceChargeOnLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FutureFinanceChargeOnLeaseLiabilities" xlink:to="glpg_FutureFinanceChargeOnLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FutureFinanceChargeOnLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount representing the difference between the future minimum lease payments and their present value. Minimum lease payments are payments over the lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with: (a) for a lessee, any amounts guaranteed by the lessee or by a party related to the lessee; or (b) for a lessor, any residual value guaranteed to the lessor by: (i) the lessee; (ii) a party related to the lessee; or (iii) a third party unrelated to the lessor that is financially capable of discharging the obligations under the guarantee.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FutureFinanceChargeOnLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Future Finance Charge On Lease Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_FutureFinanceChargeOnLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Less future finance charges</label>
    <loc 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/2003/role/totalLabel" xlink:label="ifrs-full_LeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Present value of 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_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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Business combinations during the period</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdditionalContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:label="glpg_AdditionalContingentConsiderationRecognisedAsOfAcquisitionDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AdditionalContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:to="glpg_AdditionalContingentConsiderationRecognisedAsOfAcquisitionDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AdditionalContingentConsiderationRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The additional amount, at acquisition date, of contingent consideration arrangements recognised as consideration transferred in a business combination.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdditionalContingentConsiderationRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additional Contingent Consideration Recognised As of Acquisition Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AdditionalContingentConsiderationRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additional contingent 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_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">Contingent consideration recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value of contingent consideration</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContingentConsiderationPayableOnAchievementOfCertainDevelopmentMilestones" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfCertainDevelopmentMilestones" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContingentConsiderationPayableOnAchievementOfCertainDevelopmentMilestones" xlink:to="glpg_ContingentConsiderationPayableOnAchievementOfCertainDevelopmentMilestones_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfCertainDevelopmentMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of contingent consideration payable on achievement of certain development milestones.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfCertainDevelopmentMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent Consideration Payable on Achievement of Certain Development Milestones</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfCertainDevelopmentMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration on certain development milestone</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContingentConsiderationPayableOnAchievementOfRegulatoryMilestones" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfRegulatoryMilestones" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContingentConsiderationPayableOnAchievementOfRegulatoryMilestones" xlink:to="glpg_ContingentConsiderationPayableOnAchievementOfRegulatoryMilestones_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfRegulatoryMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of contingent consideration payable on achievement of regulatory milestones.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfRegulatoryMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent Consideration Payable on Achievement of Regulatory Milestones</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfRegulatoryMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration on regulatory milestone</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContingentConsiderationPayableOnAchievementOfSalesBasedMilestones" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfSalesBasedMilestones" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContingentConsiderationPayableOnAchievementOfSalesBasedMilestones" xlink:to="glpg_ContingentConsiderationPayableOnAchievementOfSalesBasedMilestones_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfSalesBasedMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of contingent consideration payable on achievement of sales based milestones.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfSalesBasedMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent Consideration Payable on Achievement of Sales Based Milestones</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ContingentConsiderationPayableOnAchievementOfSalesBasedMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration on sales based milestone</label>
    <loc 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">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">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">Other provisions related to the small molecules business</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">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_TradeAndOtherPayables" xlink:label="ifrs-full_TradeAndOtherPayables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherPayables" xlink:to="ifrs-full_TradeAndOtherPayables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other liabilities.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SeveranceAccruals" xlink:label="glpg_SeveranceAccruals" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SeveranceAccruals" xlink:to="glpg_SeveranceAccruals_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SeveranceAccruals_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of severance accruals</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SeveranceAccruals_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Severance Accruals</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SeveranceAccruals_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Severance accruals related to cell therapy 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_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>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentFinancialLiabilities" xlink:label="ifrs-full_CurrentFinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentFinancialLiabilities" xlink:to="ifrs-full_CurrentFinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current 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_AccrualsClassifiedAsCurrent" xlink:label="ifrs-full_AccrualsClassifiedAsCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AccrualsClassifiedAsCurrent" xlink:to="ifrs-full_AccrualsClassifiedAsCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AccrualsClassifiedAsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accruals classified as current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AccrualsClassifiedAsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued charges</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsBusinessCombinationContingentConsiderationLiabilityNoncurrent" xlink:label="glpg_IfrsBusinessCombinationContingentConsiderationLiabilityNoncurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsBusinessCombinationContingentConsiderationLiabilityNoncurrent" xlink:to="glpg_IfrsBusinessCombinationContingentConsiderationLiabilityNoncurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsBusinessCombinationContingentConsiderationLiabilityNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsBusinessCombinationContingentConsiderationLiabilityNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Business Combination, Contingent Consideration, Liability, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_IfrsBusinessCombinationContingentConsiderationLiabilityNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current contingent consideration related to milestones CellPoint</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MiscellaneousOtherNonCurrentLiabilities" xlink:label="glpg_MiscellaneousOtherNonCurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MiscellaneousOtherNonCurrentLiabilities" xlink:to="glpg_MiscellaneousOtherNonCurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MiscellaneousOtherNonCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of miscellaneous other non-current liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MiscellaneousOtherNonCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous Other non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_MiscellaneousOtherNonCurrentLiabilities_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_DisclosureOfOtherProvisionsTable" xlink:label="ifrs-full_DisclosureOfOtherProvisionsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="ifrs-full_DisclosureOfOtherProvisionsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherProvisionsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other provisions [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_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_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>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestructuringCellTherapyActivitiesProvisionMember" xlink:label="glpg_RestructuringCellTherapyActivitiesProvisionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestructuringCellTherapyActivitiesProvisionMember" xlink:to="glpg_RestructuringCellTherapyActivitiesProvisionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestructuringCellTherapyActivitiesProvisionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restructuring cell therapy activities provision.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestructuringCellTherapyActivitiesProvisionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restructuring cell therapy activities provision [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_DisclosureOfOtherProvisionsLineItems" xlink:label="ifrs-full_DisclosureOfOtherProvisionsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="ifrs-full_DisclosureOfOtherProvisionsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherProvisionsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other provisions [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherProvisionsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions Abstracts</label>
    <loc 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/negatedTerseLabel" 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="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionalProvisionsOtherProvisions" xlink:label="ifrs-full_AdditionalProvisionsOtherProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdditionalProvisionsOtherProvisions" xlink:to="ifrs-full_AdditionalProvisionsOtherProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdditionalProvisionsOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additional provisions, other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdditionalProvisionsOtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additional provisions</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestructuringSmallMoleculesProgramProvisionMember" xlink:label="glpg_RestructuringSmallMoleculesProgramProvisionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestructuringSmallMoleculesProgramProvisionMember" xlink:to="glpg_RestructuringSmallMoleculesProgramProvisionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestructuringSmallMoleculesProgramProvisionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restructuring Small Molecules Program provision</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestructuringSmallMoleculesProgramProvisionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restructuring Small Molecules Program provision [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_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_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">Unused amount reversed</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfDeferredIncomeTable" xlink:label="glpg_DisclosureOfDeferredIncomeTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfDeferredIncomeTable" xlink:to="glpg_DisclosureOfDeferredIncomeTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfDeferredIncomeTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule disclosing information related to deferred income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfDeferredIncomeTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Deferred Income [Table]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CollaborationAgreementForFilgotinibMember" xlink:label="glpg_CollaborationAgreementForFilgotinibMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CollaborationAgreementForFilgotinibMember" xlink:to="glpg_CollaborationAgreementForFilgotinibMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CollaborationAgreementForFilgotinibMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member represents the collaboration agreement for filgotinib.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CollaborationAgreementForFilgotinibMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaboration agreement for filgotinib</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CollaborationAgreementForFilgotinibMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaboration agreement for filgotinib</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DeferredIncomeAxis" xlink:label="glpg_DeferredIncomeAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DeferredIncomeAxis" xlink:to="glpg_DeferredIncomeAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DeferredIncomeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DeferredIncomeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred Income [Axis]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DeferredIncomeDomain" xlink:label="glpg_DeferredIncomeDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DeferredIncomeDomain" xlink:to="glpg_DeferredIncomeDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DeferredIncomeDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This domain stands for the parties to the transaction relating to deferred income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DeferredIncomeDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred Income [Domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherDeferredIncomeMember" xlink:label="glpg_OtherDeferredIncomeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherDeferredIncomeMember" xlink:to="glpg_OtherDeferredIncomeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherDeferredIncomeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to other deferred income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherDeferredIncomeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DisclosureOfDeferredIncomeLineItems" xlink:label="glpg_DisclosureOfDeferredIncomeLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DisclosureOfDeferredIncomeLineItems" xlink:to="glpg_DisclosureOfDeferredIncomeLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DisclosureOfDeferredIncomeLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DisclosureOfDeferredIncomeLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Deferred Income [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_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 other than contract liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_DeferredIncomeOtherThanContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred income, ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_DeferredIncomeOtherThanContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred income, beginning balance</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_DeferredIncomeSignificantFinancingComponent" xlink:label="glpg_DeferredIncomeSignificantFinancingComponent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_DeferredIncomeSignificantFinancingComponent" xlink:to="glpg_DeferredIncomeSignificantFinancingComponent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_DeferredIncomeSignificantFinancingComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of adjustments to deferred income due to significant financing component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_DeferredIncomeSignificantFinancingComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred Income, Significant Financing Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_DeferredIncomeSignificantFinancingComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Significant financing component</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_UpfrontOrLicenseFeesRevenueRecognised" xlink:label="glpg_UpfrontOrLicenseFeesRevenueRecognised" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_UpfrontOrLicenseFeesRevenueRecognised" xlink:to="glpg_UpfrontOrLicenseFeesRevenueRecognised_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_UpfrontOrLicenseFeesRevenueRecognised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of revenue recognized on upfront or license fees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_UpfrontOrLicenseFeesRevenueRecognised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront Or License Fees, Revenue Recognised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_UpfrontOrLicenseFeesRevenueRecognised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue recognition of upfront</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MilestonePaymentsRevenueRecognized" xlink:label="glpg_MilestonePaymentsRevenueRecognized" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MilestonePaymentsRevenueRecognized" xlink:to="glpg_MilestonePaymentsRevenueRecognized_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MilestonePaymentsRevenueRecognized_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of revenue recognized on milestone payments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MilestonePaymentsRevenueRecognized_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Milestone Payments Revenue Recognized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_MilestonePaymentsRevenueRecognized_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue recognition of milestones</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncreaseDecreaseInOtherDeferredIncome" xlink:label="glpg_IncreaseDecreaseInOtherDeferredIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncreaseDecreaseInOtherDeferredIncome" xlink:to="glpg_IncreaseDecreaseInOtherDeferredIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncreaseDecreaseInOtherDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of deferred Income in other movements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncreaseDecreaseInOtherDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) In Other Deferred Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_IncreaseDecreaseInOtherDeferredIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other movements</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments to reconcile profit (loss) [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment for non-cash 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_AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:label="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for depreciation and amortisation expense and 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_AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and 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_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/verboseLabel" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share-based compensation 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_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for increase (decrease) in employee benefit liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase/decrease (-) in retirement benefit obligations and provisions</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentsForUnrealizedForeignExchangeLossesGains" xlink:label="glpg_AdjustmentsForUnrealizedForeignExchangeLossesGains" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AdjustmentsForUnrealizedForeignExchangeLossesGains" xlink:to="glpg_AdjustmentsForUnrealizedForeignExchangeLossesGains_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AdjustmentsForUnrealizedForeignExchangeLossesGains_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for unrealized foreign exchange losses (gains) to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdjustmentsForUnrealizedForeignExchangeLossesGains_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for unrealized foreign exchange losses (gains)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_AdjustmentsForUnrealizedForeignExchangeLossesGains_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unrealized exchange losses/gains (-) and non-cash other financial result</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EffectOfDiscountingContingentConsiderationReceivable" xlink:label="glpg_EffectOfDiscountingContingentConsiderationReceivable" 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="glpg_EffectOfDiscountingContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of adjustment for discounting effect of contingent consideration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EffectOfDiscountingContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect Of Discounting Contingent Consideration Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_EffectOfDiscountingContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discounting effect of contingent consideration receivable</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentsForFairValueRemeasurementOfShareSubscriptionAgreementAndWarrants" xlink:label="glpg_AdjustmentsForFairValueRemeasurementOfShareSubscriptionAgreementAndWarrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AdjustmentsForFairValueRemeasurementOfShareSubscriptionAgreementAndWarrants" xlink:to="glpg_AdjustmentsForFairValueRemeasurementOfShareSubscriptionAgreementAndWarrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AdjustmentsForFairValueRemeasurementOfShareSubscriptionAgreementAndWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value re-measurement of share subscription agreement and warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdjustmentsForFairValueRemeasurementOfShareSubscriptionAgreementAndWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments For Fair Value Remeasurement Of Share Subscription Agreement And Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AdjustmentsForFairValueRemeasurementOfShareSubscriptionAgreementAndWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value re-measurement of warrants</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NetFairValueAdjustmentRelatingToCurrentFinancialInvestments" xlink:label="glpg_NetFairValueAdjustmentRelatingToCurrentFinancialInvestments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NetFairValueAdjustmentRelatingToCurrentFinancialInvestments" xlink:to="glpg_NetFairValueAdjustmentRelatingToCurrentFinancialInvestments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NetFairValueAdjustmentRelatingToCurrentFinancialInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of gain (loss) adjustment mainly from the result of an increase (decrease) in the implied volatility of share price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NetFairValueAdjustmentRelatingToCurrentFinancialInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Fair Value Adjustment Relating To Current Financial Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_NetFairValueAdjustmentRelatingToCurrentFinancialInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net change in fair value of current financial 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_AdjustmentsForDecreaseIncreaseInFinancialAssetsMeasuredAtFairValueThroughProfitOrLoss" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsMeasuredAtFairValueThroughProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsMeasuredAtFairValueThroughProfitOrLoss" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsMeasuredAtFairValueThroughProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsMeasuredAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for decrease (increase) in financial assets measured at fair value through profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsMeasuredAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustment financial assets held at fair value through profit or loss</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentForFairValueAdjustmentContingentConsiderationReceivable" xlink:label="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationReceivable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationReceivable" xlink:to="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationReceivable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment for fair value contingent consideration receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment For Fair Value Adjustment Contingent Consideration Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustment contingent consideration receivable</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentForFairValueAdjustmentContingentConsiderationPayable" xlink:label="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationPayable" xlink:to="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment for fair value contingent consideration payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment For Fair Value Adjustment Contingent Consideration Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_AdjustmentForFairValueAdjustmentContingentConsiderationPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value adjustment contingent consideration payable</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentForOtherNonCashExpenses" xlink:label="glpg_AdjustmentForOtherNonCashExpenses" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AdjustmentForOtherNonCashExpenses" xlink:to="glpg_AdjustmentForOtherNonCashExpenses_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AdjustmentForOtherNonCashExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for other non-cash expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdjustmentForOtherNonCashExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment For Other Non Cash Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AdjustmentForOtherNonCashExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-cash 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_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" 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_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables_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, trade and other receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Impairment loss on trade receivables</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentForNonCashTransactions" xlink:label="glpg_AdjustmentForNonCashTransactions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AdjustmentForNonCashTransactions" xlink:to="glpg_AdjustmentForNonCashTransactions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AdjustmentForNonCashTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for non-cash items 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="glpg_AdjustmentForNonCashTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment for non-cash transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="glpg_AdjustmentForNonCashTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total adjustment for non-cash 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_AdjustmentsForInterestExpense" xlink:label="ifrs-full_AdjustmentsForInterestExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForInterestExpense" xlink:to="ifrs-full_AdjustmentsForInterestExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForInterestExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForInterestExpense_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_AdjustmentsForInterestIncome" xlink:label="ifrs-full_AdjustmentsForInterestIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForInterestIncome" xlink:to="ifrs-full_AdjustmentsForInterestIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForInterestIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for interest income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AdjustmentsForInterestIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest 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_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/verboseLabel" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax expense</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentForCorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries" xlink:label="glpg_AdjustmentForCorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AdjustmentForCorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries" xlink:to="glpg_AdjustmentForCorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AdjustmentForCorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for correction for cash used for other liabilities related to the disposal of subsidiaries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdjustmentForCorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment For Correction For Cash Used For Other Liabilities Related To The Disposal Of Subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AdjustmentForCorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Correction for cash used for other liabilities related to the disposal of 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_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:to="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain on disposal of 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_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" 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_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for gain (loss) on disposals, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain (-)/loss on sale of fixed assets</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentsForProceedsFromSettlementOfHedgingInstrument" xlink:label="glpg_AdjustmentsForProceedsFromSettlementOfHedgingInstrument" 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="glpg_AdjustmentsForProceedsFromSettlementOfHedgingInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for proceeds from settlement of hedging instrument</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdjustmentsForProceedsFromSettlementOfHedgingInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for proceeds from settlement of hedging instrument</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_AdjustmentsForProceedsFromSettlementOfHedgingInstrument_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from settlement of hedging instrument</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AdjustmentForInvestmentIncomeRelatedToCurrentFinancialInvestments" xlink:label="glpg_AdjustmentForInvestmentIncomeRelatedToCurrentFinancialInvestments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AdjustmentForInvestmentIncomeRelatedToCurrentFinancialInvestments" xlink:to="glpg_AdjustmentForInvestmentIncomeRelatedToCurrentFinancialInvestments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AdjustmentForInvestmentIncomeRelatedToCurrentFinancialInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment for Investment Income Related To Current Financial Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AdjustmentForInvestmentIncomeRelatedToCurrentFinancialInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustment For Investment Income Related To Current Financial Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AdjustmentForInvestmentIncomeRelatedToCurrentFinancialInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Income related to current financial investments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries" xlink:label="glpg_CorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries" xlink:to="glpg_CorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for correction for cash used for other liabilities related to the disposal of subsidiaries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CorrectionForCashUsedForOtherLiabilitiesRelatedToDisposalOfSubsidiaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Correction for cash used for other liabilities related to the disposal of 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_AdjustmentsForDecreaseIncreaseInInventories" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <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/verboseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">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/terseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (-)/ decrease in 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_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">Increase/decrease (-) in 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_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_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">1-3 years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">1-3 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_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:to="ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">3-5 years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">3-5 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_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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Off-balance sheet arrangements</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PurchaseCommitments" xlink:label="glpg_PurchaseCommitments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PurchaseCommitments" xlink:to="glpg_PurchaseCommitments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PurchaseCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase commitments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PurchaseCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase commitments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_PurchaseCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase commitments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PurchaseCommitmentsRelatedToProjectsInDevelopmentPhase" xlink:label="glpg_PurchaseCommitmentsRelatedToProjectsInDevelopmentPhase" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PurchaseCommitmentsRelatedToProjectsInDevelopmentPhase" xlink:to="glpg_PurchaseCommitmentsRelatedToProjectsInDevelopmentPhase_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PurchaseCommitmentsRelatedToProjectsInDevelopmentPhase_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase commitments Related To Projects In Development Phase.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PurchaseCommitmentsRelatedToProjectsInDevelopmentPhase_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Commitments Related To Projects In Development Phase</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PurchaseCommitmentRelatedToSharedServices" xlink:label="glpg_PurchaseCommitmentRelatedToSharedServices" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PurchaseCommitmentRelatedToSharedServices" xlink:to="glpg_PurchaseCommitmentRelatedToSharedServices_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PurchaseCommitmentRelatedToSharedServices_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase commitments related to shared services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PurchaseCommitmentRelatedToSharedServices_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Commitment Related to Shared Services</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PurchaseCommitmentRelatedToJyselecaProductSupplyChain" xlink:label="glpg_PurchaseCommitmentRelatedToJyselecaProductSupplyChain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PurchaseCommitmentRelatedToJyselecaProductSupplyChain" xlink:to="glpg_PurchaseCommitmentRelatedToJyselecaProductSupplyChain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PurchaseCommitmentRelatedToJyselecaProductSupplyChain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase commitments related to Jyseleca Product Supply Chain</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PurchaseCommitmentRelatedToJyselecaProductSupplyChain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Commitment Related to Jyseleca Product Supply Chain</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PurchaseCommitmentRelatedToCommercialAndMedicalAffairs" xlink:label="glpg_PurchaseCommitmentRelatedToCommercialAndMedicalAffairs" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PurchaseCommitmentRelatedToCommercialAndMedicalAffairs" xlink:to="glpg_PurchaseCommitmentRelatedToCommercialAndMedicalAffairs_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PurchaseCommitmentRelatedToCommercialAndMedicalAffairs_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase commitments related to Commercial And Medical Affairs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PurchaseCommitmentRelatedToCommercialAndMedicalAffairs_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Commitment Related to Commercial And Medical Affairs</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PurchaseCommitmentRelatedToProjectInDiscoveryResearchPhase" xlink:label="glpg_PurchaseCommitmentRelatedToProjectInDiscoveryResearchPhase" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PurchaseCommitmentRelatedToProjectInDiscoveryResearchPhase" xlink:to="glpg_PurchaseCommitmentRelatedToProjectInDiscoveryResearchPhase_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PurchaseCommitmentRelatedToProjectInDiscoveryResearchPhase_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase commitments related to Project In Discovery Research Phase</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PurchaseCommitmentRelatedToProjectInDiscoveryResearchPhase_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Commitment Related To Project In Discovery Research Phase</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TwentyTwentyFourPlanRowAndRmvMember" xlink:label="glpg_TwentyTwentyFourPlanRowAndRmvMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TwentyTwentyFourPlanRowAndRmvMember" xlink:to="glpg_TwentyTwentyFourPlanRowAndRmvMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TwentyTwentyFourPlanRowAndRmvMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Rights 2024 Plan RMV and ROW member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TwentyTwentyFourPlanRowAndRmvMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Twenty Twenty Four Plan ROW And RMV [Member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsVestingAxis" xlink:label="glpg_IfrsVestingAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsVestingAxis" xlink:to="glpg_IfrsVestingAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsVestingAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by vesting schedule for share-based compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsVestingAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Vesting [Axis]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsVestingDomain" xlink:label="glpg_IfrsVestingDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsVestingDomain" xlink:to="glpg_IfrsVestingDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsVestingDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Vesting schedule for share-based compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsVestingDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Vesting [Domain]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsShareBasedCompensationAwardTrancheOneMember" xlink:label="glpg_IfrsShareBasedCompensationAwardTrancheOneMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsShareBasedCompensationAwardTrancheOneMember" xlink:to="glpg_IfrsShareBasedCompensationAwardTrancheOneMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsShareBasedCompensationAwardTrancheOneMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">First portion of share-based compensation award differentiated by a particular vesting feature, including, but not limited to, performance measure or service period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsShareBasedCompensationAwardTrancheOneMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Vesting tranche one</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsShareBasedCompensationAwardTrancheTwoMember" xlink:label="glpg_IfrsShareBasedCompensationAwardTrancheTwoMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsShareBasedCompensationAwardTrancheTwoMember" xlink:to="glpg_IfrsShareBasedCompensationAwardTrancheTwoMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsShareBasedCompensationAwardTrancheTwoMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Second portion of share-based compensation award differentiated by a particular vesting feature, including, but not limited to, performance measure or service period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsShareBasedCompensationAwardTrancheTwoMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Vesting tranche two</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsShareBasedCompensationAwardTrancheThreeMember" xlink:label="glpg_IfrsShareBasedCompensationAwardTrancheThreeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsShareBasedCompensationAwardTrancheThreeMember" xlink:to="glpg_IfrsShareBasedCompensationAwardTrancheThreeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsShareBasedCompensationAwardTrancheThreeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Third portion of share-based compensation award differentiated by a particular vesting feature, including, but not limited to, performance measure or service period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsShareBasedCompensationAwardTrancheThreeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Vesting tranche three</label>
    <loc 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="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 of entity or parent</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SupervisoryBoardMembersMember" xlink:label="glpg_SupervisoryBoardMembersMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SupervisoryBoardMembersMember" xlink:to="glpg_SupervisoryBoardMembersMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SupervisoryBoardMembersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for supervisory board members.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SupervisoryBoardMembersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Members of the Board of Directors</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:label="glpg_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:to="glpg_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period which the right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Vesting period</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PercentageOfOtherEquityInstrumentsVested" xlink:label="glpg_PercentageOfOtherEquityInstrumentsVested" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageOfOtherEquityInstrumentsVested" xlink:to="glpg_PercentageOfOtherEquityInstrumentsVested_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PercentageOfOtherEquityInstrumentsVested_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of other equity instruments vested for share based payment transaction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PercentageOfOtherEquityInstrumentsVested_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Other Equity Instruments, Vested</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_PercentageOfOtherEquityInstrumentsVested_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage vested</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share based compensation 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_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average exercise price at end of the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average exercise price at beginning of the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Average exercise price</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_WeightedAverageRemainingContractualLifeOutstandingOfOtherEquityInstruments" xlink:label="glpg_WeightedAverageRemainingContractualLifeOutstandingOfOtherEquityInstruments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_WeightedAverageRemainingContractualLifeOutstandingOfOtherEquityInstruments" xlink:to="glpg_WeightedAverageRemainingContractualLifeOutstandingOfOtherEquityInstruments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_WeightedAverageRemainingContractualLifeOutstandingOfOtherEquityInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The weighted average remaining contractual life of outstanding of other equity instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_WeightedAverageRemainingContractualLifeOutstandingOfOtherEquityInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average Remaining Contractual Life Outstanding of Other Equity Instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_WeightedAverageRemainingContractualLifeOutstandingOfOtherEquityInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average remaining expected 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_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:to="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments granted in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Granted during the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription rights offered</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2016BAllocatedOnJanuary2017Member" xlink:label="glpg_SubscriptionRightPlan2016BAllocatedOnJanuary2017Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2016BAllocatedOnJanuary2017Member" xlink:to="glpg_SubscriptionRightPlan2016BAllocatedOnJanuary2017Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2016BAllocatedOnJanuary2017Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2016 RMV, allocated on June 2016.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2016BAllocatedOnJanuary2017Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2016 (B) allocated on January 2017</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2017AllocatedOnMay2017Member" xlink:label="glpg_SubscriptionRightPlan2017AllocatedOnMay2017Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2017AllocatedOnMay2017Member" xlink:to="glpg_SubscriptionRightPlan2017AllocatedOnMay2017Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2017AllocatedOnMay2017Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2017, allocated on May 2017.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2017AllocatedOnMay2017Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2017 allocated on May 2017</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2017RmvAllocatedOnMay2017Member" xlink:label="glpg_SubscriptionRightPlan2017RmvAllocatedOnMay2017Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2017RmvAllocatedOnMay2017Member" xlink:to="glpg_SubscriptionRightPlan2017RmvAllocatedOnMay2017Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2017RmvAllocatedOnMay2017Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2017 RMV, allocated on May 2017.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2017RmvAllocatedOnMay2017Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2017 RMV allocated on May 2017</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2018AllocatedOnApril2018Member" xlink:label="glpg_SubscriptionRightPlan2018AllocatedOnApril2018Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2018AllocatedOnApril2018Member" xlink:to="glpg_SubscriptionRightPlan2018AllocatedOnApril2018Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2018AllocatedOnApril2018Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2018, allocated on April 2018.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2018AllocatedOnApril2018Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2018 allocated on April 2018</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2018RmvAllocatedOnApril2018Member" xlink:label="glpg_SubscriptionRightPlan2018RmvAllocatedOnApril2018Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2018RmvAllocatedOnApril2018Member" xlink:to="glpg_SubscriptionRightPlan2018RmvAllocatedOnApril2018Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2018RmvAllocatedOnApril2018Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2018 RMV, allocated on April 2018.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2018RmvAllocatedOnApril2018Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2018 RMV allocated on April 2018</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2019AllocatedOnApril2019Member" xlink:label="glpg_SubscriptionRightPlan2019AllocatedOnApril2019Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2019AllocatedOnApril2019Member" xlink:to="glpg_SubscriptionRightPlan2019AllocatedOnApril2019Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2019AllocatedOnApril2019Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2019, allocated on April 2019.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2019AllocatedOnApril2019Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2019 allocated on April 2019</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2019RmvAllocatedOnApril2019Member" xlink:label="glpg_SubscriptionRightPlan2019RmvAllocatedOnApril2019Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2019RmvAllocatedOnApril2019Member" xlink:to="glpg_SubscriptionRightPlan2019RmvAllocatedOnApril2019Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2019RmvAllocatedOnApril2019Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2019 Rmv, allocated on April 2019.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2019RmvAllocatedOnApril2019Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2019 RMV allocated on April 2019</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2020AllocatedOnApril2020Member" xlink:label="glpg_SubscriptionRightPlan2020AllocatedOnApril2020Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2020AllocatedOnApril2020Member" xlink:to="glpg_SubscriptionRightPlan2020AllocatedOnApril2020Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2020AllocatedOnApril2020Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2020, allocated on April 2020.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2020AllocatedOnApril2020Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2020 Allocated On April 2020 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2020AllocatedOnApril2020Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2020 allocated on April 2020</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2020RmvAllocatedOnApril2020Member" xlink:label="glpg_SubscriptionRightPlan2020RmvAllocatedOnApril2020Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2020RmvAllocatedOnApril2020Member" xlink:to="glpg_SubscriptionRightPlan2020RmvAllocatedOnApril2020Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2020RmvAllocatedOnApril2020Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2020 RMV, allocated on April 2020.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2020RmvAllocatedOnApril2020Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2020 RMV allocated on April 2020</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2021BeAllocatedOnApril2021Member" xlink:label="glpg_SubscriptionRightPlan2021BeAllocatedOnApril2021Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2021BeAllocatedOnApril2021Member" xlink:to="glpg_SubscriptionRightPlan2021BeAllocatedOnApril2021Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2021BeAllocatedOnApril2021Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to 2021 BE plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2021BeAllocatedOnApril2021Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2021 BE allocated on April 2021</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2021RmvAllocatedOnApril2021Member" xlink:label="glpg_SubscriptionRightPlan2021RmvAllocatedOnApril2021Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2021RmvAllocatedOnApril2021Member" xlink:to="glpg_SubscriptionRightPlan2021RmvAllocatedOnApril2021Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2021RmvAllocatedOnApril2021Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to 2021 RMV plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2021RmvAllocatedOnApril2021Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2021 RMV allocated on April 2021</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2021RowAllocatedOnApril2021Member" xlink:label="glpg_SubscriptionRightPlan2021RowAllocatedOnApril2021Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2021RowAllocatedOnApril2021Member" xlink:to="glpg_SubscriptionRightPlan2021RowAllocatedOnApril2021Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2021RowAllocatedOnApril2021Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to 2021 ROW plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2021RowAllocatedOnApril2021Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2021 ROW allocated on April 2021</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlana2022AllocatedOnJanuary2022Member" xlink:label="glpg_SubscriptionRightPlana2022AllocatedOnJanuary2022Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlana2022AllocatedOnJanuary2022Member" xlink:to="glpg_SubscriptionRightPlana2022AllocatedOnJanuary2022Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlana2022AllocatedOnJanuary2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2022  (A), allocated on January 2022.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlana2022AllocatedOnJanuary2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right PlanA 2022 Allocated on January 2022 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlana2022AllocatedOnJanuary2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2022 (A) allocated on January 2022</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2022BAllocatedOnJanuary2022Member" xlink:label="glpg_SubscriptionRightPlan2022BAllocatedOnJanuary2022Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2022BAllocatedOnJanuary2022Member" xlink:to="glpg_SubscriptionRightPlan2022BAllocatedOnJanuary2022Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2022BAllocatedOnJanuary2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2022  (B), allocated on January 2022.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2022BAllocatedOnJanuary2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2022 (B) Allocated on January 2022 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2022BAllocatedOnJanuary2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2022 (B) allocated on January 2022</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2022BeAllocatedOnJune2022Member" xlink:label="glpg_SubscriptionRightPlan2022BeAllocatedOnJune2022Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2022BeAllocatedOnJune2022Member" xlink:to="glpg_SubscriptionRightPlan2022BeAllocatedOnJune2022Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2022BeAllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2022  (A), allocated on June 2022.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2022BeAllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2022 (BE) Allocated on June 2022 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2022BeAllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2022 BE allocated on May 2022</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2022BeAllocatedOnAugust2022Member" xlink:label="glpg_SubscriptionRightPlan2022BeAllocatedOnAugust2022Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2022BeAllocatedOnAugust2022Member" xlink:to="glpg_SubscriptionRightPlan2022BeAllocatedOnAugust2022Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2022BeAllocatedOnAugust2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2022  (A), allocated on august 2022.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2022BeAllocatedOnAugust2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2022 BE allocated on August 2022</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2022RmvAllocatedOnJune2022Member" xlink:label="glpg_SubscriptionRightPlan2022RmvAllocatedOnJune2022Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2022RmvAllocatedOnJune2022Member" xlink:to="glpg_SubscriptionRightPlan2022RmvAllocatedOnJune2022Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2022RmvAllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2022  (RMW), allocated on June 2022.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2022RmvAllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2022 (RMV) Allocated on June 2022 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2022RmvAllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2022 RMV allocated on May 2022</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2022RowAllocatedOnJune2022Member" xlink:label="glpg_SubscriptionRightPlan2022RowAllocatedOnJune2022Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2022RowAllocatedOnJune2022Member" xlink:to="glpg_SubscriptionRightPlan2022RowAllocatedOnJune2022Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2022RowAllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2022  (ROW), allocated on June 2022.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2022RowAllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2022 (ROW) Allocated on June 2022 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2022RowAllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2022 ROW allocated on May 2022</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2022AllocatedOnJune2022Member" xlink:label="glpg_SubscriptionRightPlan2022AllocatedOnJune2022Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2022AllocatedOnJune2022Member" xlink:to="glpg_SubscriptionRightPlan2022AllocatedOnJune2022Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2022AllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for subscription right plan 2022   allocated on June 2022.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2022AllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2022 Allocated on June 2022 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2022AllocatedOnJune2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2022 BE/ROW allocated on August 2022</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2023BeAllocatedOnMay2023Member" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnMay2023Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2023BeAllocatedOnMay2023Member" xlink:to="glpg_SubscriptionRightPlan2023BeAllocatedOnMay2023Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnMay2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2023 Be plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnMay2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2023 Be Allocated On May 2023 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnMay2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2023 BE allocated on May 2023</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2023RmvAllocatedOnMay2023Member" xlink:label="glpg_SubscriptionRightPlan2023RmvAllocatedOnMay2023Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2023RmvAllocatedOnMay2023Member" xlink:to="glpg_SubscriptionRightPlan2023RmvAllocatedOnMay2023Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2023RmvAllocatedOnMay2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2023 Rmv plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2023RmvAllocatedOnMay2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2023 Rmv Allocated On May 2023 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2023RmvAllocatedOnMay2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2023 RMV allocated on May 2023</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2023RowAllocatedOnMay2023Member" xlink:label="glpg_SubscriptionRightPlan2023RowAllocatedOnMay2023Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2023RowAllocatedOnMay2023Member" xlink:to="glpg_SubscriptionRightPlan2023RowAllocatedOnMay2023Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2023RowAllocatedOnMay2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2023 Row plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2023RowAllocatedOnMay2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2023 Row Allocated On May 2023 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2023RowAllocatedOnMay2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2023 ROW allocated on May 2023</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2023BeAllocatedOnJune2023Member" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnJune2023Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2023BeAllocatedOnJune2023Member" xlink:to="glpg_SubscriptionRightPlan2023BeAllocatedOnJune2023Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnJune2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2023 June Be plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnJune2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2023 Be Allocated On June 2023 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnJune2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2023 BE allocated on June 2023</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2023RowAllocatedOnNovember2023Member" xlink:label="glpg_SubscriptionRightPlan2023RowAllocatedOnNovember2023Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2023RowAllocatedOnNovember2023Member" xlink:to="glpg_SubscriptionRightPlan2023RowAllocatedOnNovember2023Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2023RowAllocatedOnNovember2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2023 Row plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2023RowAllocatedOnNovember2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2023 Row Allocated On November 2023 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2023RowAllocatedOnNovember2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2023 ROW allocated on November 2023</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2024BeAllocatedOnMay2024Member" xlink:label="glpg_SubscriptionRightPlan2024BeAllocatedOnMay2024Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2024BeAllocatedOnMay2024Member" xlink:to="glpg_SubscriptionRightPlan2024BeAllocatedOnMay2024Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2024BeAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2024 BE plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2024BeAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2024 BE Allocated On May 2024 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2024BeAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2024 BE allocated in May 2024</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_SubscriptionRightPlan2024BeAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2024 BE (Belgian plan) Granted on May 16</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2024RmvAllocatedOnMay2024Member" xlink:label="glpg_SubscriptionRightPlan2024RmvAllocatedOnMay2024Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2024RmvAllocatedOnMay2024Member" xlink:to="glpg_SubscriptionRightPlan2024RmvAllocatedOnMay2024Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2024RmvAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2024 RMV plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2024RmvAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2024 RMV Allocated On May 2024 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2024RmvAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2024 RMV allocated in May 2024</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2024RowAllocatedOnMay2024Member" xlink:label="glpg_SubscriptionRightPlan2024RowAllocatedOnMay2024Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2024RowAllocatedOnMay2024Member" xlink:to="glpg_SubscriptionRightPlan2024RowAllocatedOnMay2024Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2024RowAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2024 ROW plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2024RowAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2024 ROW Allocated On May 2024 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2024RowAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2024 ROW allocated on May 2024</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2024BeAllocatedOnOctober2024Member" xlink:label="glpg_SubscriptionRightPlan2024BeAllocatedOnOctober2024Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2024BeAllocatedOnOctober2024Member" xlink:to="glpg_SubscriptionRightPlan2024BeAllocatedOnOctober2024Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2024BeAllocatedOnOctober2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2024 BE plan allocated in October 2024.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2024BeAllocatedOnOctober2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2024 BE Allocated On October 2024 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2024BeAllocatedOnOctober2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2024 BE allocated in October 2024</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2024RowAllocatedOnOctober2024Member" xlink:label="glpg_SubscriptionRightPlan2024RowAllocatedOnOctober2024Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2024RowAllocatedOnOctober2024Member" xlink:to="glpg_SubscriptionRightPlan2024RowAllocatedOnOctober2024Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2024RowAllocatedOnOctober2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2024 ROW plan issued in October 2024.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2024RowAllocatedOnOctober2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2024 ROW Allocated On October 2024 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2024RowAllocatedOnOctober2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2024 ROW allocated in October 2024</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2025AllocatedInMay2025Member" xlink:label="glpg_SubscriptionRightPlan2025AllocatedInMay2025Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2025AllocatedInMay2025Member" xlink:to="glpg_SubscriptionRightPlan2025AllocatedInMay2025Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2025AllocatedInMay2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2025 A allocated in May 2025</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2025AllocatedInMay2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2025 A allocated in May 2025 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2025AllocatedInMay2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2025 (A) allocated in May 2025</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2025BAllocatedInAugust2025Member" xlink:label="glpg_SubscriptionRightPlan2025BAllocatedInAugust2025Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2025BAllocatedInAugust2025Member" xlink:to="glpg_SubscriptionRightPlan2025BAllocatedInAugust2025Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2025BAllocatedInAugust2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2025 B allocated in August 2025.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2025BAllocatedInAugust2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2025 B allocated in August 2025 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2025BAllocatedInAugust2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2025 (B) allocated in August 2025</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2025CAllocatedInNovember2025Member" xlink:label="glpg_SubscriptionRightPlan2025CAllocatedInNovember2025Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2025CAllocatedInNovember2025Member" xlink:to="glpg_SubscriptionRightPlan2025CAllocatedInNovember2025Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2025CAllocatedInNovember2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2025 C allocated in November 2025.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2025CAllocatedInNovember2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2025 C allocated in November 2025 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2025CAllocatedInNovember2025Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2025 (C) allocated in November 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_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments outstanding in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Outstanding at the end of the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Outstanding at the beginning of the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total rights outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total 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_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments exercised or vested in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercised during 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_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments forfeited in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Forfeited during 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_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments expired in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expired during 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_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments exercisable in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercisable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average exercise price of other equity instruments granted in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019_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_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average exercise price of other equity instruments forfeited in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Forfeited during 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_WeightedAverageExercisePriceOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average exercise price of other equity instruments expired in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expired during 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_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average exercise price of other equity instruments exercisable in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercisable</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2024BeRowAllocatedOnOctober2024Member" xlink:label="glpg_SubscriptionRightPlan2024BeRowAllocatedOnOctober2024Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2024BeRowAllocatedOnOctober2024Member" xlink:to="glpg_SubscriptionRightPlan2024BeRowAllocatedOnOctober2024Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2024BeRowAllocatedOnOctober2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2024 BE/Row plan allocated in 2024.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2024BeRowAllocatedOnOctober2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2024 BE/ROW Allocated On October 2024 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2024BeRowAllocatedOnOctober2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2024 BE/ROW Granted in October 1</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2024RmvRowAllocatedOnMay2024Member" xlink:label="glpg_SubscriptionRightPlan2024RmvRowAllocatedOnMay2024Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2024RmvRowAllocatedOnMay2024Member" xlink:to="glpg_SubscriptionRightPlan2024RmvRowAllocatedOnMay2024Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2024RmvRowAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for 2024 ROW/RMV plan allocated in 2024.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2024RmvRowAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2024 RMV/ROW Allocated On May 2024 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2024RmvRowAllocatedOnMay2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2024 RMV / ROW allocated in May</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2023BeAllocatedOnMayJune2023Member" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnMayJune2023Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2023BeAllocatedOnMayJune2023Member" xlink:to="glpg_SubscriptionRightPlan2023BeAllocatedOnMayJune2023Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnMayJune2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Subscription Right Plan 2023 BE Allocated On May &amp; June 2023</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnMayJune2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2023 BE Allocated On May &amp; June 2023 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2023BeAllocatedOnMayJune2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2023 BE allocated in May 5 &amp; June 15</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightPlan2023RmvRowAllocatedOnMayNovember2023Member" xlink:label="glpg_SubscriptionRightPlan2023RmvRowAllocatedOnMayNovember2023Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightPlan2023RmvRowAllocatedOnMayNovember2023Member" xlink:to="glpg_SubscriptionRightPlan2023RmvRowAllocatedOnMayNovember2023Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightPlan2023RmvRowAllocatedOnMayNovember2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Subscription Right Plan 2023 RMV/ROW Allocated On May &amp; November 2023.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightPlan2023RmvRowAllocatedOnMayNovember2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Right Plan 2023 RMV/ROW Allocated On May &amp; November 2023 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_SubscriptionRightPlan2023RmvRowAllocatedOnMayNovember2023Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">2023 RMV/ROW May 5 &amp; November 17</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ExercisePriceOtherEquityInstrumentsGranted" xlink:label="glpg_ExercisePriceOtherEquityInstrumentsGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ExercisePriceOtherEquityInstrumentsGranted" xlink:to="glpg_ExercisePriceOtherEquityInstrumentsGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ExercisePriceOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The exercise price of other equity instruments granted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ExercisePriceOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise Price, Other Equity Instruments Granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ExercisePriceOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise Price</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_WeightedAverageSharePriceAtAcceptanceDate" xlink:label="glpg_WeightedAverageSharePriceAtAcceptanceDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_WeightedAverageSharePriceAtAcceptanceDate" xlink:to="glpg_WeightedAverageSharePriceAtAcceptanceDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_WeightedAverageSharePriceAtAcceptanceDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The weighted average share price at acceptance date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_WeightedAverageSharePriceAtAcceptanceDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average Share Price At Acceptance Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_WeightedAverageSharePriceAtAcceptanceDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average share price at acceptance date</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_WeightedAverageFairValueAtAcceptanceDate" xlink:label="glpg_WeightedAverageFairValueAtAcceptanceDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_WeightedAverageFairValueAtAcceptanceDate" xlink:to="glpg_WeightedAverageFairValueAtAcceptanceDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_WeightedAverageFairValueAtAcceptanceDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The weighted average fair value at acceptance date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_WeightedAverageFairValueAtAcceptanceDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average Fair Value At Acceptance Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_WeightedAverageFairValueAtAcceptanceDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average fair value at acceptance date</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_WeightedAverageEstimatedVolatilityRate" xlink:label="glpg_WeightedAverageEstimatedVolatilityRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_WeightedAverageEstimatedVolatilityRate" xlink:to="glpg_WeightedAverageEstimatedVolatilityRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_WeightedAverageEstimatedVolatilityRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The weighted average estimated volatility rate of the share price used to calculate the fair value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_WeightedAverageEstimatedVolatilityRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average Estimated Volatility Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_WeightedAverageEstimatedVolatilityRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average estimated volatility</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_WeightedAverageExpectedLifeOfSubscriptionRights" xlink:label="glpg_WeightedAverageExpectedLifeOfSubscriptionRights" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_WeightedAverageExpectedLifeOfSubscriptionRights" xlink:to="glpg_WeightedAverageExpectedLifeOfSubscriptionRights_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_WeightedAverageExpectedLifeOfSubscriptionRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The weighted average expected life of subscription rights (years).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_WeightedAverageExpectedLifeOfSubscriptionRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average Expected Life Of Subscription Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_WeightedAverageExpectedLifeOfSubscriptionRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average expected life of the subscription rights (years)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_WeightedAverageRiskFreeRate" xlink:label="glpg_WeightedAverageRiskFreeRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_WeightedAverageRiskFreeRate" xlink:to="glpg_WeightedAverageRiskFreeRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_WeightedAverageRiskFreeRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The weighted average risk free interest rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_WeightedAverageRiskFreeRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average Risk Free Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_WeightedAverageRiskFreeRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average risk free rate (%)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ExpensefromsharebasedpaymenttransactionsinwHichgoodsorservicesreceiveddidnotqualifyforrecognitionasassetscontinuedoperations" xlink:label="glpg_ExpensefromsharebasedpaymenttransactionsinwHichgoodsorservicesreceiveddidnotqualifyforrecognitionasassetscontinuedoperations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ExpensefromsharebasedpaymenttransactionsinwHichgoodsorservicesreceiveddidnotqualifyforrecognitionasassetscontinuedoperations" xlink:to="glpg_ExpensefromsharebasedpaymenttransactionsinwHichgoodsorservicesreceiveddidnotqualifyforrecognitionasassetscontinuedoperations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ExpensefromsharebasedpaymenttransactionsinwHichgoodsorservicesreceiveddidnotqualifyforrecognitionasassetscontinuedoperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of expense arising from share-based payment transactions in which the goods or services received did not qualify for recognition as assets continued operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ExpensefromsharebasedpaymenttransactionsinwHichgoodsorservicesreceiveddidnotqualifyforrecognitionasassetscontinuedoperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ExpenseFromSharebasedPaymentTransactionsInW hichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssetsContinuedOperations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ExpensefromsharebasedpaymenttransactionsinwHichgoodsorservicesreceiveddidnotqualifyforrecognitionasassetscontinuedoperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share-based compensation expenses for continuing operations.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ManagementBoardMembersMember" xlink:label="glpg_ManagementBoardMembersMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ManagementBoardMembersMember" xlink:to="glpg_ManagementBoardMembersMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ManagementBoardMembersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for management board members.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ManagementBoardMembersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Members of the Executive Committee</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PersonnelMember" xlink:label="glpg_PersonnelMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PersonnelMember" xlink:to="glpg_PersonnelMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PersonnelMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for personnel.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PersonnelMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Personnel</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2021IMember" xlink:label="glpg_RestrictedStockUnitPlan2021IMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2021IMember" xlink:to="glpg_RestrictedStockUnitPlan2021IMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2021IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stand for Restricted stock unit plan 2021-I.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2021IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2021.I.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2021IiMember" xlink:label="glpg_RestrictedStockUnitPlan2021IiMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2021IiMember" xlink:to="glpg_RestrictedStockUnitPlan2021IiMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2021IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stand for Restricted stock unit plan 2021-II.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2021IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2021.II.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2022IMember" xlink:label="glpg_RestrictedStockUnitPlan2022IMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2022IMember" xlink:to="glpg_RestrictedStockUnitPlan2022IMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2022IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for  Restricted stock unit plan 2022-I.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2022IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2022 I [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2022IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2022.I.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2022IiMember" xlink:label="glpg_RestrictedStockUnitPlan2022IiMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2022IiMember" xlink:to="glpg_RestrictedStockUnitPlan2022IiMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2022IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for  Restricted stock unit plan 2022-II.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2022IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2022 II [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2022IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2022.II.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2023IMember" xlink:label="glpg_RestrictedStockUnitPlan2023IMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2023IMember" xlink:to="glpg_RestrictedStockUnitPlan2023IMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2023IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restricted stock unit plan 2023-I.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2023IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2023 I [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2023IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2023.I.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2023IiMember" xlink:label="glpg_RestrictedStockUnitPlan2023IiMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2023IiMember" xlink:to="glpg_RestrictedStockUnitPlan2023IiMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2023IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restricted stock unit plan 2023-II.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2023IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2023 II [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2023IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2023.II.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2024IMember" xlink:label="glpg_RestrictedStockUnitPlan2024IMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2024IMember" xlink:to="glpg_RestrictedStockUnitPlan2024IMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2024IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restricted stock unit plan 2024-I.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2024IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2024 I [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2024IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2024 I</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2024IiMember" xlink:label="glpg_RestrictedStockUnitPlan2024IiMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2024IiMember" xlink:to="glpg_RestrictedStockUnitPlan2024IiMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2024IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restricted stock unit plan 2024-II.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2024IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2024 II [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2024IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2024 II</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2025IMember" xlink:label="glpg_RestrictedStockUnitPlan2025IMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2025IMember" xlink:to="glpg_RestrictedStockUnitPlan2025IMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2025IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restricted stock unit plan 2025-I</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2025IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2025 I [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2025IMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2025.I.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2025IiMember" xlink:label="glpg_RestrictedStockUnitPlan2025IiMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2025IiMember" xlink:to="glpg_RestrictedStockUnitPlan2025IiMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2025IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restricted stock unit plan 2025-II</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2025IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2025 II [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2025IiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2025.II.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2025IiiMember" xlink:label="glpg_RestrictedStockUnitPlan2025IiiMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2025IiiMember" xlink:to="glpg_RestrictedStockUnitPlan2025IiiMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2025IiiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restricted stock unit plan 2025-III</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2025IiiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2025 III [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2025IiiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2025.III.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2025IvMember" xlink:label="glpg_RestrictedStockUnitPlan2025IvMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2025IvMember" xlink:to="glpg_RestrictedStockUnitPlan2025IvMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2025IvMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restricted stock unit plan 2025-IV</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2025IvMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2025 IV [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2025IvMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2025.IV.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2025VMember" xlink:label="glpg_RestrictedStockUnitPlan2025VMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2025VMember" xlink:to="glpg_RestrictedStockUnitPlan2025VMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2025VMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restricted stock unit plan 2025-V</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2025VMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2025 V [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2025VMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2025.V.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedStockUnitPlan2025ViMember" xlink:label="glpg_RestrictedStockUnitPlan2025ViMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedStockUnitPlan2025ViMember" xlink:to="glpg_RestrictedStockUnitPlan2025ViMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedStockUnitPlan2025ViMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Restricted stock unit plan 2025-VI</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedStockUnitPlan2025ViMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted Stock Unit Plan 2025 VI [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedStockUnitPlan2025ViMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Plan 2025.VI.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfOtherEquityInstrumentsPaidInCashInSharebasedPaymentArrangement" xlink:label="glpg_NumberOfOtherEquityInstrumentsPaidInCashInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfOtherEquityInstrumentsPaidInCashInSharebasedPaymentArrangement" xlink:to="glpg_NumberOfOtherEquityInstrumentsPaidInCashInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfOtherEquityInstrumentsPaidInCashInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of other equity instruments (ie other than share options) paid in cash in a share-based payment arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfOtherEquityInstrumentsPaidInCashInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Other Equity Instruments Paid in Cash in Share-Based Payment Arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="glpg_NumberOfOtherEquityInstrumentsPaidInCashInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Paid in cash during the year</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfSecuritiesCalledByEachRestrictedStockOrRight" xlink:label="glpg_NumberOfSecuritiesCalledByEachRestrictedStockOrRight" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfSecuritiesCalledByEachRestrictedStockOrRight" xlink:to="glpg_NumberOfSecuritiesCalledByEachRestrictedStockOrRight_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfSecuritiesCalledByEachRestrictedStockOrRight_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of securities into which each restricted stock or right may be converted. For example, but not limited to, each restricted stock or right may be converted into two shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfSecuritiesCalledByEachRestrictedStockOrRight_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Securities Called by Each Restricted Stock or Right</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NumberOfSecuritiesCalledByEachRestrictedStockOrRight_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of securities called by each restricted stock or right</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfCalendarDaysPeriodPrecedingVestingDateForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange" xlink:label="glpg_NumberOfCalendarDaysPeriodPrecedingVestingDateForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfCalendarDaysPeriodPrecedingVestingDateForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange" xlink:to="glpg_NumberOfCalendarDaysPeriodPrecedingVestingDateForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfCalendarDaysPeriodPrecedingVestingDateForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of calendar days period preceding the relevant vesting date of other equity instrument for calculate the value of weighted average price of entity share traded on stock-exchange.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfCalendarDaysPeriodPrecedingVestingDateForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Calendar Days Period Preceding Vesting Date For Calculate Value of Weighted Average Price of Entity Share Traded on Stock Exchange</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NumberOfCalendarDaysPeriodPrecedingVestingDateForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of calendar days period preceding vesting date for calculate value of weighted average price of entity share traded on stock-exchange</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CliffVestingPeriod" xlink:label="glpg_CliffVestingPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CliffVestingPeriod" xlink:to="glpg_CliffVestingPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CliffVestingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This represents cliff vesting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CliffVestingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cliff Vesting Period</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CliffVestingSchedule" xlink:label="glpg_CliffVestingSchedule" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CliffVestingSchedule" xlink:to="glpg_CliffVestingSchedule_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CliffVestingSchedule_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This represents cliff vesting schedule.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CliffVestingSchedule_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cliff Vesting Schedule</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PercentageVestedUnderCertainPlans" xlink:label="glpg_PercentageVestedUnderCertainPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageVestedUnderCertainPlans" xlink:to="glpg_PercentageVestedUnderCertainPlans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PercentageVestedUnderCertainPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of RSU vested under certain plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PercentageVestedUnderCertainPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Vested Under Certain Plans</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfCalendarDaysPeriodPrecedingReportingPeriodForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange" xlink:label="glpg_NumberOfCalendarDaysPeriodPrecedingReportingPeriodForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfCalendarDaysPeriodPrecedingReportingPeriodForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange" xlink:to="glpg_NumberOfCalendarDaysPeriodPrecedingReportingPeriodForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfCalendarDaysPeriodPrecedingReportingPeriodForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of calendar days period preceding the reporting period of other equity instrument for calculate the value of weighted average price of entity share traded on stock-exchange.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfCalendarDaysPeriodPrecedingReportingPeriodForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Calendar Days Period Preceding Reporting Period for Calculate Value of Weighted Average Price of Entity Share Traded on Stock Exchange</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NumberOfCalendarDaysPeriodPrecedingReportingPeriodForCalculateValueOfWeightedAveragePriceOfEntityShareTradedOnStockExchange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of calendar days period preceding reporting period for calculate value of weighted average price of entity share traded on stock-exchange</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011" xlink:label="ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011" xlink:to="ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities from share-based payment transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Liability relating to outstanding RSUs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable" xlink:label="ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable" xlink:to="ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [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_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems" xlink:label="ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems" xlink:to="ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [line items]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PercentageOfOwnershipInterest" xlink:label="glpg_PercentageOfOwnershipInterest" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageOfOwnershipInterest" xlink:to="glpg_PercentageOfOwnershipInterest_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PercentageOfOwnershipInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of ownership interest.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PercentageOfOwnershipInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Ownership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_PercentageOfOwnershipInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of ownership interest</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MinimumPercentageOfOwnershipRequiredToAppointInvestorBoardDesignees" xlink:label="glpg_MinimumPercentageOfOwnershipRequiredToAppointInvestorBoardDesignees" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MinimumPercentageOfOwnershipRequiredToAppointInvestorBoardDesignees" xlink:to="glpg_MinimumPercentageOfOwnershipRequiredToAppointInvestorBoardDesignees_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MinimumPercentageOfOwnershipRequiredToAppointInvestorBoardDesignees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The minimum percentage of ownership interest of Galapagos share capital to appoint investor Board Designees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MinimumPercentageOfOwnershipRequiredToAppointInvestorBoardDesignees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum Percentage Of Ownership Required To Appoint Investor Board Designees</label>
    <loc 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">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_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">Trade and other payables</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RevenueRecognizedRelatedToPerformanceObligationForDrugDiscoveryPlatform" xlink:label="glpg_RevenueRecognizedRelatedToPerformanceObligationForDrugDiscoveryPlatform" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RevenueRecognizedRelatedToPerformanceObligationForDrugDiscoveryPlatform" xlink:to="glpg_RevenueRecognizedRelatedToPerformanceObligationForDrugDiscoveryPlatform_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RevenueRecognizedRelatedToPerformanceObligationForDrugDiscoveryPlatform_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue Recognized Related To The Performance Obligation For The Drug Discovery Platform.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RevenueRecognizedRelatedToPerformanceObligationForDrugDiscoveryPlatform_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue Recognized Related To The Performance Obligation For The Drug Discovery Platform</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RevenueRecognisedRelatedToFilgotinibPerformanceObligation" xlink:label="glpg_RevenueRecognisedRelatedToFilgotinibPerformanceObligation" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RevenueRecognisedRelatedToFilgotinibPerformanceObligation" xlink:to="glpg_RevenueRecognisedRelatedToFilgotinibPerformanceObligation_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RevenueRecognisedRelatedToFilgotinibPerformanceObligation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue Recognised Related To Filgotinib Performance Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RevenueRecognisedRelatedToFilgotinibPerformanceObligation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue Recognised Related To Filgotinib Performance Obligation</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RoyaltyIncomeRelatedToCommercializationOfFilgotinb" xlink:label="glpg_RoyaltyIncomeRelatedToCommercializationOfFilgotinb" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RoyaltyIncomeRelatedToCommercializationOfFilgotinb" xlink:to="glpg_RoyaltyIncomeRelatedToCommercializationOfFilgotinb_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RoyaltyIncomeRelatedToCommercializationOfFilgotinb_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of royalty income related to the commercialization of filgotinib.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RoyaltyIncomeRelatedToCommercializationOfFilgotinb_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalty Income Related To The Commercialization Of Filgotinb</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CostReimbursementsRecognizedRelatedToDevelopmentOfGlpg1690" xlink:label="glpg_CostReimbursementsRecognizedRelatedToDevelopmentOfGlpg1690" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CostReimbursementsRecognizedRelatedToDevelopmentOfGlpg1690" xlink:to="glpg_CostReimbursementsRecognizedRelatedToDevelopmentOfGlpg1690_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CostReimbursementsRecognizedRelatedToDevelopmentOfGlpg1690_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of cost reimbursements recognized  Related To The Development Of GLPG1690</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CostReimbursementsRecognizedRelatedToDevelopmentOfGlpg1690_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost Reimbursements Recognized Related To The Development Of GLPG1690</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CrossChargesFromAndGileadRelatingToFilgotinib" xlink:label="glpg_CrossChargesFromAndGileadRelatingToFilgotinib" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CrossChargesFromAndGileadRelatingToFilgotinib" xlink:to="glpg_CrossChargesFromAndGileadRelatingToFilgotinib_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CrossChargesFromAndGileadRelatingToFilgotinib_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of cross charges from and to Gilead relating to filgotinib.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CrossChargesFromAndGileadRelatingToFilgotinib_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cross Charges From and Gilead Relating to Filgotinib</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CrossChargesFromAndGileadRelatingToFilgotinib_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cross charges from and to Gilead relating to filgotinib (4)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RoyaltiesReceivable" xlink:label="glpg_RoyaltiesReceivable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RoyaltiesReceivable" xlink:to="glpg_RoyaltiesReceivable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RoyaltiesReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of royalties receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RoyaltiesReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalties Receivable</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FilgotinibDevelopmentCostSharingReceivables." xlink:label="glpg_FilgotinibDevelopmentCostSharingReceivables." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FilgotinibDevelopmentCostSharingReceivables." xlink:to="glpg_FilgotinibDevelopmentCostSharingReceivables._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FilgotinibDevelopmentCostSharingReceivables._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Filgotinib development cost sharing receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FilgotinibDevelopmentCostSharingReceivables._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Filgotinib development cost sharing 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_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:to="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel compensation, short-term employee benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Short-term benefits</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_KeyManagementPersonnelCompensationBoardFeesAndOtherShortTermBenefitsForDirectors" xlink:label="glpg_KeyManagementPersonnelCompensationBoardFeesAndOtherShortTermBenefitsForDirectors" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_KeyManagementPersonnelCompensationBoardFeesAndOtherShortTermBenefitsForDirectors" xlink:to="glpg_KeyManagementPersonnelCompensationBoardFeesAndOtherShortTermBenefitsForDirectors_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_KeyManagementPersonnelCompensationBoardFeesAndOtherShortTermBenefitsForDirectors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of Board fees and other short-term benefits for directors paid to key management personnel.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_KeyManagementPersonnelCompensationBoardFeesAndOtherShortTermBenefitsForDirectors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key Management Personnel Compensation Board Fees And Other Short Term Benefits For Directors</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_KeyManagementPersonnelCompensationBoardFeesAndOtherShortTermBenefitsForDirectors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Board fees and other short-term benefits for members of the Board of Directors</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:to="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Key management personnel compensation, post-employment benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Post-employment benefits</label>
    <loc 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">Severance package</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfRsuGranted." xlink:label="glpg_NumberOfRsuGranted." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfRsuGranted." xlink:to="glpg_NumberOfRsuGranted._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfRsuGranted._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents restricted stock units granted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfRsuGranted._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of RSU Granted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NumberOfRsuGranted._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of RSUs granted in the year to Executive Committee members as a group</label>
    <loc 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/verboseLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total cost of subscription rights granted in 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_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of subsidiaries [table]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AboundbioInc.Member" xlink:label="glpg_AboundbioInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AboundbioInc.Member" xlink:to="glpg_AboundbioInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AboundbioInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for AboundBio, Inc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AboundbioInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AboundBio, Inc. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_AboundbioInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AboundBio, Inc.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosBiopharmaB.v.Member" xlink:label="glpg_GalapagosBiopharmaB.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="glpg_GalapagosBiopharmaB.v.Member" xlink:to="glpg_GalapagosBiopharmaB.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="glpg_GalapagosBiopharmaB.v.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stand for Galapagos Biopharma B.V.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosBiopharmaB.v.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biopharma BV</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosB.vMember" xlink:label="glpg_GalapagosB.vMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosB.vMember" xlink:to="glpg_GalapagosB.vMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosB.vMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos B.V.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosB.vMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos B.V</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosBiopharmaS.l.uMember" xlink:label="glpg_GalapagosBiopharmaS.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="glpg_GalapagosBiopharmaS.l.uMember" xlink:to="glpg_GalapagosBiopharmaS.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="glpg_GalapagosBiopharmaS.l.uMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Biopharma S.L.U</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosBiopharmaS.l.uMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biopharma Spain S.L.U</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosBiopharmaS.r.lMember" xlink:label="glpg_GalapagosBiopharmaS.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="glpg_GalapagosBiopharmaS.r.lMember" xlink:to="glpg_GalapagosBiopharmaS.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="glpg_GalapagosBiopharmaS.r.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Biopharma Italy S.r.l.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosBiopharmaS.r.lMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biopharma Italy S.r.l.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosBiopharmaGmbhMember" xlink:label="glpg_GalapagosBiopharmaGmbhMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosBiopharmaGmbhMember" xlink:to="glpg_GalapagosBiopharmaGmbhMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosBiopharmaGmbhMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Biopharma GmbH.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosBiopharmaGmbhMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biopharma Germany GmbH</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosBiopharmaA.b.Member" xlink:label="glpg_GalapagosBiopharmaA.b.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosBiopharmaA.b.Member" xlink:to="glpg_GalapagosBiopharmaA.b.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosBiopharmaA.b.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Biopharma A.B.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosBiopharmaA.b.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biopharma A.B.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosBiopharmaA.s.Member" xlink:label="glpg_GalapagosBiopharmaA.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="glpg_GalapagosBiopharmaA.s.Member" xlink:to="glpg_GalapagosBiopharmaA.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="glpg_GalapagosBiopharmaA.s.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Biopharma A.S.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosBiopharmaA.s.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biopharma A.S.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosBiopharmaOyMember" xlink:label="glpg_GalapagosBiopharmaOyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosBiopharmaOyMember" xlink:to="glpg_GalapagosBiopharmaOyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosBiopharmaOyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Biopharma Oy.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosBiopharmaOyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biopharma Oy</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosBiopharmaApsMember" xlink:label="glpg_GalapagosBiopharmaApsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosBiopharmaApsMember" xlink:to="glpg_GalapagosBiopharmaApsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosBiopharmaApsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos biopharma Aps.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosBiopharmaApsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biopharma ApS</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosGmbhMember" xlink:label="glpg_GalapagosGmbhMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosGmbhMember" xlink:to="glpg_GalapagosGmbhMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosGmbhMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos GmbH [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosGmbhMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos GmbH</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosBiopharmaLimitedMember" xlink:label="glpg_GalapagosBiopharmaLimitedMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosBiopharmaLimitedMember" xlink:to="glpg_GalapagosBiopharmaLimitedMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosBiopharmaLimitedMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Biopharma limited.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosBiopharmaLimitedMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biopharma Ireland Ltd</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosBiotechLtd.Member" xlink:label="glpg_GalapagosBiotechLtd.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosBiotechLtd.Member" xlink:to="glpg_GalapagosBiotechLtd.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosBiotechLtd.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biotech Ltd. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosBiotechLtd.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Biotech Ltd. (formerly Inpharmatica Ltd.)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosRealEstateOneBvMember" xlink:label="glpg_GalapagosRealEstateOneBvMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosRealEstateOneBvMember" xlink:to="glpg_GalapagosRealEstateOneBvMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosRealEstateOneBvMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Real Estate One Bv.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosRealEstateOneBvMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Real Estate 1 BV</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosRealEstateB.v.Member" xlink:label="glpg_GalapagosRealEstateB.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="glpg_GalapagosRealEstateB.v.Member" xlink:to="glpg_GalapagosRealEstateB.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="glpg_GalapagosRealEstateB.v.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Real Estate B.V.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosRealEstateB.v.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Real Estate B.V.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosUkLimitedMember" xlink:label="glpg_GalapagosUkLimitedMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosUkLimitedMember" xlink:to="glpg_GalapagosUkLimitedMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosUkLimitedMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos UK Limited</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosUkLimitedMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos UK Limited [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosSasuMember" xlink:label="glpg_GalapagosSasuMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosSasuMember" xlink:to="glpg_GalapagosSasuMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosSasuMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos SASU</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosSasuMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos SASU (France)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosInc.Member" xlink:label="glpg_GalapagosInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosInc.Member" xlink:to="glpg_GalapagosInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos, Inc. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos, Inc. (formerly Biofocus, Inc.)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_XenometrixInc.Member" xlink:label="glpg_XenometrixInc.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_XenometrixInc.Member" xlink:to="glpg_XenometrixInc.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_XenometrixInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Xenometrix, Inc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_XenometrixInc.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Xenometrix, Inc.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosHoldingPteLtdMember" xlink:label="glpg_GalapagosHoldingPteLtdMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosHoldingPteLtdMember" xlink:to="glpg_GalapagosHoldingPteLtdMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosHoldingPteLtdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Holding PTE LTD.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosHoldingPteLtdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Holding PTE LTD [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_LakefrontBiotherapeuticsMember" xlink:label="glpg_LakefrontBiotherapeuticsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_LakefrontBiotherapeuticsMember" xlink:to="glpg_LakefrontBiotherapeuticsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_LakefrontBiotherapeuticsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Lakefront Biotherapeutics</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_LakefrontBiotherapeuticsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lakefront Biotherapeutics [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosCellTherapeuticsNvMember" xlink:label="glpg_GalapagosCellTherapeuticsNvMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosCellTherapeuticsNvMember" xlink:to="glpg_GalapagosCellTherapeuticsNvMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosCellTherapeuticsNvMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Cell Therapeutics NV.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosCellTherapeuticsNvMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Cell Therapeutics NV [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_GalapagosShanghaiBioscienceCoLtdMember" xlink:label="glpg_GalapagosShanghaiBioscienceCoLtdMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_GalapagosShanghaiBioscienceCoLtdMember" xlink:to="glpg_GalapagosShanghaiBioscienceCoLtdMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_GalapagosShanghaiBioscienceCoLtdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Galapagos Shanghai Bioscience Co LTD</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_GalapagosShanghaiBioscienceCoLtdMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Galapagos Shanghai Bioscience Co LTD [member]</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_SE" xlink:label="country_SE" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_SE" xlink:to="country_SE_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_SE_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sweden</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_NO" xlink:label="country_NO" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_NO" xlink:to="country_NO_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_NO_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Norway</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_FI" xlink:label="country_FI" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_FI" xlink:to="country_FI_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_FI_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finland</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_DK" xlink:label="country_DK" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_DK" xlink:to="country_DK_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_DK_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Denmark</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_AT" xlink:label="country_AT" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_AT" xlink:to="country_AT_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_AT_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Austria</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_IE" xlink:label="country_IE" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_IE" xlink:to="country_IE_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_IE_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ireland</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>
    <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="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_IT" xlink:label="country_IT" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_IT" xlink:to="country_IT_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_IT_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Italy</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_SG" xlink:label="country_SG" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_SG" xlink:to="country_SG_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_SG_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SINGAPORE</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_SG_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Singapore</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CN" xlink:label="country_CN" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CN" xlink:to="country_CN_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_CN_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CHINA</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_CN_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">People's republic of China</label>
    <loc 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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated companies as of December 31, 2022</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfVotingPowerHeldInSubsidiary" xlink:label="ifrs-full_ProportionOfVotingPowerHeldInSubsidiary" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProportionOfVotingPowerHeldInSubsidiary" xlink:to="ifrs-full_ProportionOfVotingPowerHeldInSubsidiary_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProportionOfVotingPowerHeldInSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proportion of voting rights held in subsidiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProportionOfVotingPowerHeldInSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of voting rights held directly or indirectly through subsidiaries</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ChangeInOwnershipInterest" xlink:label="glpg_ChangeInOwnershipInterest" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ChangeInOwnershipInterest" xlink:to="glpg_ChangeInOwnershipInterest_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ChangeInOwnershipInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The changes in ownership interests in subsidiaries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ChangeInOwnershipInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Change in Ownership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_ChangeInOwnershipInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Changes in voting rights</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContingentConsiderationReceivableMember" xlink:label="glpg_ContingentConsiderationReceivableMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContingentConsiderationReceivableMember" xlink:to="glpg_ContingentConsiderationReceivableMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContingentConsiderationReceivableMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for contingent consideration receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContingentConsiderationReceivableMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent consideration receivable [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CurrentFinancialInvestmentsMember" xlink:label="glpg_CurrentFinancialInvestmentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CurrentFinancialInvestmentsMember" xlink:to="glpg_CurrentFinancialInvestmentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CurrentFinancialInvestmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to current financial investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CurrentFinancialInvestmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current financial investments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CurrentFinancialInvestmentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current financial investments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_CashAndCashEquivalentMember" xlink:label="glpg_CashAndCashEquivalentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CashAndCashEquivalentMember" xlink:to="glpg_CashAndCashEquivalentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CashAndCashEquivalentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for cash and cash equivalents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CashAndCashEquivalentMember_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="glpg_CashAndCashEquivalentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RestrictedCashMember" xlink:label="glpg_RestrictedCashMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RestrictedCashMember" xlink:to="glpg_RestrictedCashMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RestrictedCashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for restricted cash (current and non-current).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RestrictedCashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted cash (current and non-current)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_RestrictedCashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Restricted cash (current and non-current)</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherNonCurrentAssetMember" xlink:label="glpg_OtherNonCurrentAssetMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherNonCurrentAssetMember" xlink:to="glpg_OtherNonCurrentAssetMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherNonCurrentAssetMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for other non-current assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherNonCurrentAssetMember_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/terseLabel" xlink:label="glpg_OtherNonCurrentAssetMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current assets.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TradeAndOtherReceivablesMember" xlink:label="glpg_TradeAndOtherReceivablesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TradeAndOtherReceivablesMember" xlink:to="glpg_TradeAndOtherReceivablesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TradeAndOtherReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other receivables [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TradeAndOtherReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other receivables (excl prepayments)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TradeAndOtherReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade receivables</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EscrowAccountMember" xlink:label="glpg_EscrowAccountMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EscrowAccountMember" xlink:to="glpg_EscrowAccountMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EscrowAccountMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for escrow account.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EscrowAccountMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Escrow account [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ConvertibleLoanMember" xlink:label="glpg_ConvertibleLoanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ConvertibleLoanMember" xlink:to="glpg_ConvertibleLoanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ConvertibleLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for convertible loan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ConvertibleLoanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Convertible loan [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_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="glpg-20251231.xsd#glpg_CurrentFinancialInstrumentsLiabilitiesMember" xlink:label="glpg_CurrentFinancialInstrumentsLiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_CurrentFinancialInstrumentsLiabilitiesMember" xlink:to="glpg_CurrentFinancialInstrumentsLiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_CurrentFinancialInstrumentsLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to current financial liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_CurrentFinancialInstrumentsLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current financial instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_CurrentFinancialInstrumentsLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current financial instruments</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NonCurrentContingentConsiderationRelatedToMilestonesCellpointMember" xlink:label="glpg_NonCurrentContingentConsiderationRelatedToMilestonesCellpointMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NonCurrentContingentConsiderationRelatedToMilestonesCellpointMember" xlink:to="glpg_NonCurrentContingentConsiderationRelatedToMilestonesCellpointMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NonCurrentContingentConsiderationRelatedToMilestonesCellpointMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to non-current contingent consideration related to milestones CellPoint.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NonCurrentContingentConsiderationRelatedToMilestonesCellpointMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current contingent consideration related to milestones CellPoint</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NonCurrentContingentConsiderationRelatedToMilestonesCellpointMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current contingent consideration related to milestones CellPoint</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_TradeAndOtherPayablesMember" xlink:label="glpg_TradeAndOtherPayablesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_TradeAndOtherPayablesMember" xlink:to="glpg_TradeAndOtherPayablesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_TradeAndOtherPayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for trade and other payables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_TradeAndOtherPayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade &amp; other liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_TradeAndOtherPayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade &amp; 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_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">Lease liabilities [member]</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">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_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 [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_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets at fair value through other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets held at fair value through other comprehensive 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_FinancialAssetsAtAmortisedCost" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCost" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtAmortisedCost" xlink:to="ifrs-full_FinancialAssetsAtAmortisedCost_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets at amortised cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets 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_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities at fair value through profit 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_FinancialLiabilitiesAtAmortisedCost" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCost" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtAmortisedCost" xlink:to="ifrs-full_FinancialLiabilitiesAtAmortisedCost_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities at amortised 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_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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" 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="glpg-20251231.xsd#glpg_LiquidityRiskAbstract" xlink:label="glpg_LiquidityRiskAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_LiquidityRiskAbstract" xlink:to="glpg_LiquidityRiskAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_LiquidityRiskAbstract_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="glpg_LiquidityRiskAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liquidity Risk [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_LiquidityRiskAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liquidity risk</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_FinancialInvestmentsAndCashAndCashEquivalents" xlink:label="glpg_FinancialInvestmentsAndCashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_FinancialInvestmentsAndCashAndCashEquivalents" xlink:to="glpg_FinancialInvestmentsAndCashAndCashEquivalents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_FinancialInvestmentsAndCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying amount as on the balance sheet date of financial investments and cash and cash equivalents..</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_FinancialInvestmentsAndCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Investments And Cash And Cash Equivalents</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_MaximumNoticePeriodForConvertingCashAndCashEquivalents." xlink:label="glpg_MaximumNoticePeriodForConvertingCashAndCashEquivalents." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_MaximumNoticePeriodForConvertingCashAndCashEquivalents." xlink:to="glpg_MaximumNoticePeriodForConvertingCashAndCashEquivalents._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_MaximumNoticePeriodForConvertingCashAndCashEquivalents._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The maximum notice period of a time for converting cash and cash equivalent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_MaximumNoticePeriodForConvertingCashAndCashEquivalents._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum Notice Period For Converting 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_PastDueStatusAxis" xlink:label="ifrs-full_PastDueStatusAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PastDueStatusAxis" xlink:to="ifrs-full_PastDueStatusAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PastDueStatusAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Past due status [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_PastDueStatusDomain" xlink:label="ifrs-full_PastDueStatusDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PastDueStatusDomain" xlink:to="ifrs-full_PastDueStatusDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PastDueStatusDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Past due status [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_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:label="ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:to="ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">60 - 90 days</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">60 - 90 days</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:label="ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:to="ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">90 - 120 days</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">90 - 120 days</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFourMonthsMember" xlink:label="ifrs-full_LaterThanFourMonthsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanFourMonthsMember" xlink:to="ifrs-full_LaterThanFourMonthsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanFourMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">more than 120 days</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanFourMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">more than 120 days</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditRiskMember" xlink:label="ifrs-full_CreditRiskMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CreditRiskMember" xlink:to="ifrs-full_CreditRiskMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CreditRiskMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Credit risk</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CreditRiskMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Credit risk</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EuroUsdExchangeRateValueMember" xlink:label="glpg_EuroUsdExchangeRateValueMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EuroUsdExchangeRateValueMember" xlink:to="glpg_EuroUsdExchangeRateValueMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EuroUsdExchangeRateValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for EUR and USD exchange rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EuroUsdExchangeRateValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Euros - U.S. Dollars Exchange rate value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_EuroUsdExchangeRateValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Euros - U.S. Dollars Exchange rate value</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EuroGbpExchangeRateValueMember" xlink:label="glpg_EuroGbpExchangeRateValueMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EuroGbpExchangeRateValueMember" xlink:to="glpg_EuroGbpExchangeRateValueMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EuroGbpExchangeRateValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Euro GBP Exchange rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EuroGbpExchangeRateValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Euros - GB Pounds Exchange rate value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_EuroGbpExchangeRateValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Euros - GB Pounds Exchange rate value</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_EuroChFrancsExchangeRateValueMember" xlink:label="glpg_EuroChFrancsExchangeRateValueMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_EuroChFrancsExchangeRateValueMember" xlink:to="glpg_EuroChFrancsExchangeRateValueMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_EuroChFrancsExchangeRateValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Euro and CH Francs Exchange rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_EuroChFrancsExchangeRateValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Euros - CH Francs Exchange rate value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_EuroChFrancsExchangeRateValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Euros - CH Francs Exchange rate 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_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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" 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="glpg-20251231.xsd#glpg_PercentageOfReasonablyPossibleIncreaseInRiskAssumption" xlink:label="glpg_PercentageOfReasonablyPossibleIncreaseInRiskAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageOfReasonablyPossibleIncreaseInRiskAssumption" xlink:to="glpg_PercentageOfReasonablyPossibleIncreaseInRiskAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_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="glpg_PercentageOfReasonablyPossibleIncreaseInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Reasonably Possible Increase In Risk Assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_PercentageOfReasonablyPossibleIncreaseInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in interest rates</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PercentageOfReasonablyPossibleDecreaseInRiskAssumption" xlink:label="glpg_PercentageOfReasonablyPossibleDecreaseInRiskAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageOfReasonablyPossibleDecreaseInRiskAssumption" xlink:to="glpg_PercentageOfReasonablyPossibleDecreaseInRiskAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PercentageOfReasonablyPossibleDecreaseInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The reasonably possible percentage of the decrease 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="glpg_PercentageOfReasonablyPossibleDecreaseInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Reasonably Possible Decrease In Risk Assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_PercentageOfReasonablyPossibleDecreaseInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease in interest rates</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncreaseDecreaseInEquityDueToReasonablePossibleIncreaseInDesignatedRiskComponent" xlink:label="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleIncreaseInDesignatedRiskComponent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleIncreaseInDesignatedRiskComponent" xlink:to="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleIncreaseInDesignatedRiskComponent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in equity as a result of increase in designated risk component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Equity Due To Reasonable Possible Increase In Designated Risk Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) In Equity due to increase in interest rates.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncreaseDecreaseInEquityDueToReasonablePossibleDecreaseInDesignatedRiskComponent" xlink:label="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleDecreaseInDesignatedRiskComponent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleDecreaseInDesignatedRiskComponent" xlink:to="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleDecreaseInDesignatedRiskComponent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in equity as a result of decrease in designated risk component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Equity Due To Reasonable Possible Decrease In Designated Risk Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_IncreaseDecreaseInEquityDueToReasonablePossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) In equity due to decrease in interest rates.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleIncreaseInDesignatedRiskComponent" xlink:label="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleIncreaseInDesignatedRiskComponent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleIncreaseInDesignatedRiskComponent" xlink:to="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleIncreaseInDesignatedRiskComponent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in profit and loss as a result of increase in designated risk component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Profit Or Loss Due To Reasonable Possible Increase In Designated Risk Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleIncreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) in profit or loss due to increase in interest rate.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleDecreaseInDesignatedRiskComponent" xlink:label="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleDecreaseInDesignatedRiskComponent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleDecreaseInDesignatedRiskComponent" xlink:to="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleDecreaseInDesignatedRiskComponent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in profit and loss as a result of decrease in designated risk component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Decrease In Profit Or Loss Due To Reasonable Possible Decrease In Designated Risk Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_IncreaseDecreaseInProfitOrLossDueToReasonablePossibleDecreaseInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) in profit or loss due to decrease in interest rate</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PercentageOfReasonablyPossibleChangeInRiskAssumption" xlink:label="glpg_PercentageOfReasonablyPossibleChangeInRiskAssumption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageOfReasonablyPossibleChangeInRiskAssumption" xlink:to="glpg_PercentageOfReasonablyPossibleChangeInRiskAssumption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PercentageOfReasonablyPossibleChangeInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The reasonably possible percentage of change 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="glpg_PercentageOfReasonablyPossibleChangeInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Reasonably Possible Change In Risk Assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_PercentageOfReasonablyPossibleChangeInRiskAssumption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of change in risk assumption</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_IncreaseDecreaseInNetBookValueDueToReasonablyPossibleChangeInDesignatedRiskComponent" xlink:label="glpg_IncreaseDecreaseInNetBookValueDueToReasonablyPossibleChangeInDesignatedRiskComponent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_IncreaseDecreaseInNetBookValueDueToReasonablyPossibleChangeInDesignatedRiskComponent" xlink:to="glpg_IncreaseDecreaseInNetBookValueDueToReasonablyPossibleChangeInDesignatedRiskComponent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_IncreaseDecreaseInNetBookValueDueToReasonablyPossibleChangeInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase (decrease) in net book value as a result of change in a designated risk component that was reasonably possible at the end of the reporting period. Excludes defined benefit plan obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_IncreaseDecreaseInNetBookValueDueToReasonablyPossibleChangeInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) In Net Book Value Due To Reasonably Possible Change In Designated Risk Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_IncreaseDecreaseInNetBookValueDueToReasonablyPossibleChangeInDesignatedRiskComponent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) in net book 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_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable" xlink:to="ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, 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_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="glpg-20251231.xsd#glpg_ExpectedSalesMember" xlink:label="glpg_ExpectedSalesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ExpectedSalesMember" xlink:to="glpg_ExpectedSalesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ExpectedSalesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for expected sales.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ExpectedSalesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expected Sales [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ContingentReceivableMember" xlink:label="glpg_ContingentReceivableMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ContingentReceivableMember" xlink:to="glpg_ContingentReceivableMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ContingentReceivableMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for contingent receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ContingentReceivableMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contingent receivable [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_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems" xlink:to="ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, 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_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:label="ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:to="ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of reasonably possible increase in unobservable input, assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage increase in expected 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_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:label="ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:to="ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of reasonably possible decrease in unobservable input, assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage decrease in expected 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_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:to="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets_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, assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in total contingent 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_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:to="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets_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, assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease in total contingent 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_AuditorsRemuneration" xlink:label="ifrs-full_AuditorsRemuneration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AuditorsRemuneration" xlink:to="ifrs-full_AuditorsRemuneration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AuditorsRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Auditor's remuneration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AuditorsRemuneration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statutory auditor's fees</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemunerationForAuditServices" xlink:label="ifrs-full_AuditorsRemunerationForAuditServices" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AuditorsRemunerationForAuditServices" xlink:to="ifrs-full_AuditorsRemunerationForAuditServices_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AuditorsRemunerationForAuditServices_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Auditor's remuneration for audit services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AuditorsRemunerationForAuditServices_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Audit-related fees</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemunerationForOtherServices" xlink:label="ifrs-full_AuditorsRemunerationForOtherServices" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AuditorsRemunerationForOtherServices" xlink:to="ifrs-full_AuditorsRemunerationForOtherServices_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AuditorsRemunerationForOtherServices_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Auditor's remuneration for other services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AuditorsRemunerationForOtherServices_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other fees related to non-audit services</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherFeesRelatedToNonAuditServicesExecutedByPersonsRelatedToStatutoryAuditor." xlink:label="glpg_OtherFeesRelatedToNonAuditServicesExecutedByPersonsRelatedToStatutoryAuditor." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherFeesRelatedToNonAuditServicesExecutedByPersonsRelatedToStatutoryAuditor." xlink:to="glpg_OtherFeesRelatedToNonAuditServicesExecutedByPersonsRelatedToStatutoryAuditor._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherFeesRelatedToNonAuditServicesExecutedByPersonsRelatedToStatutoryAuditor._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other fees related to non-audit fees executed by statutory auditor.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherFeesRelatedToNonAuditServicesExecutedByPersonsRelatedToStatutoryAuditor._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Fees Related to Non-Audit Services Executed by Persons Related to the Statutory Auditor.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_OtherFeesRelatedToNonAuditServicesExecutedByPersonsRelatedToStatutoryAuditor._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other fees related to non-audit services executed by persons related to the statutory auditor</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemunerationForTaxServices" xlink:label="ifrs-full_AuditorsRemunerationForTaxServices" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AuditorsRemunerationForTaxServices" xlink:to="ifrs-full_AuditorsRemunerationForTaxServices_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AuditorsRemunerationForTaxServices_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Auditor's remuneration for tax services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AuditorsRemunerationForTaxServices_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax fees</label>
    <loc 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="glpg-20251231.xsd#glpg_ShareBasedPaymentArrangementsMember" xlink:label="glpg_ShareBasedPaymentArrangementsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ShareBasedPaymentArrangementsMember" xlink:to="glpg_ShareBasedPaymentArrangementsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ShareBasedPaymentArrangementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for share based payment arrangements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ShareBasedPaymentArrangementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share based payment arrangements [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightsPlan2025BoMember" xlink:label="glpg_SubscriptionRightsPlan2025BoMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightsPlan2025BoMember" xlink:to="glpg_SubscriptionRightsPlan2025BoMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightsPlan2025BoMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Subscription rights plan 2025 (B)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightsPlan2025BoMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription rights plan 2025 (B) [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_SubscriptionRightsPlan2026Member" xlink:label="glpg_SubscriptionRightsPlan2026Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_SubscriptionRightsPlan2026Member" xlink:to="glpg_SubscriptionRightsPlan2026Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_SubscriptionRightsPlan2026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Subscription rights plan 2026.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_SubscriptionRightsPlan2026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription rights plan 2026 [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_RsuPlan2025.viRsuPlan2026.iRsuPlan2026.iiMember" xlink:label="glpg_RsuPlan2025.viRsuPlan2026.iRsuPlan2026.iiMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_RsuPlan2025.viRsuPlan2026.iRsuPlan2026.iiMember" xlink:to="glpg_RsuPlan2025.viRsuPlan2026.iRsuPlan2026.iiMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_RsuPlan2025.viRsuPlan2026.iRsuPlan2026.iiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for RSU Plan 2025.VI, RSU Plan 2026.I, and RSU Plan 2026.II.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_RsuPlan2025.viRsuPlan2026.iRsuPlan2026.iiMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">RSU Plan 2025.VI, RSU Plan 2026.I, RSU Plan 2026.II [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PsuPlan2026.iMember" xlink:label="glpg_PsuPlan2026.iMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PsuPlan2026.iMember" xlink:to="glpg_PsuPlan2026.iMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PsuPlan2026.iMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for PSU Plan 2026.I.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PsuPlan2026.iMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PSU Plan 2026.I [member]</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_AllRsuAndPsuPlansMember" xlink:label="glpg_AllRsuAndPsuPlansMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_AllRsuAndPsuPlansMember" xlink:to="glpg_AllRsuAndPsuPlansMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_AllRsuAndPsuPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for all RSU and PSU Plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_AllRsuAndPsuPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">All RSU and PSU Plans [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_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/terseLabel" 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</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_NumberOfInstrumentsOtherEquityInstrumentsCreated." xlink:label="glpg_NumberOfInstrumentsOtherEquityInstrumentsCreated." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_NumberOfInstrumentsOtherEquityInstrumentsCreated." xlink:to="glpg_NumberOfInstrumentsOtherEquityInstrumentsCreated._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_NumberOfInstrumentsOtherEquityInstrumentsCreated._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of other equity instruments (ie other than share options) created in a share-based payment arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_NumberOfInstrumentsOtherEquityInstrumentsCreated._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Instruments Other Equity Instruments Created.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="glpg_NumberOfInstrumentsOtherEquityInstrumentsCreated._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription rights created</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_OtherEquityInstrumentsVestingPeriod" xlink:label="glpg_OtherEquityInstrumentsVestingPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_OtherEquityInstrumentsVestingPeriod" xlink:to="glpg_OtherEquityInstrumentsVestingPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_OtherEquityInstrumentsVestingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Equity Instruments, vesting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_OtherEquityInstrumentsVestingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Equity Instruments, vesting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="glpg_OtherEquityInstrumentsVestingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">vesting period of RSU</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_PercentageOfRsuVestingEachYear." xlink:label="glpg_PercentageOfRsuVestingEachYear." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_PercentageOfRsuVestingEachYear." xlink:to="glpg_PercentageOfRsuVestingEachYear._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_PercentageOfRsuVestingEachYear._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the percentage restricted stock unit vesting each year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_PercentageOfRsuVestingEachYear._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of RSU Vesting Each Year.</label>
    <loc xlink:type="locator" xlink:href="glpg-20251231.xsd#glpg_ThreeYearCliffVestingPercentage." xlink:label="glpg_ThreeYearCliffVestingPercentage." xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="glpg_ThreeYearCliffVestingPercentage." xlink:to="glpg_ThreeYearCliffVestingPercentage._lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="glpg_ThreeYearCliffVestingPercentage._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents Three year Cliff Vesting Percentage.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="glpg_ThreeYearCliffVestingPercentage._lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Three year Cliff Vesting 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_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:label="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:to="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consideration transferred, acquisition-date fair value</label>
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