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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_glpg_IncreaseDecreaseInWorkingCapitalExcludingDeferredIncome" xml:lang="en">The increase (decrease) in working capital, excluding deferred income.</label>
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<loc xlink:type="locator" xlink:href="549300QKJ78IY0IOV655-2025-12-31.xsd#glpg_ProceedsFromSettlementOfHedgingInstrument" xlink:label="loc_glpg_ProceedsFromSettlementOfHedgingInstrument" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_glpg_ProceedsFromSettlementOfHedgingInstrument" xml:lang="en">Proceeds From Settlement Of Hedging Instrument</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_glpg_ProceedsFromSettlementOfHedgingInstrument" xml:lang="en">Proceeds from settlement of hedging instrument.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_PurchaseOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PurchaseOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities" xml:lang="en">Purchase of financial assets measured at fair value through other comprehensive income, classified as investing activities</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xml:lang="en">Purchase of financial instruments, classified as investing activities</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="en">Purchase of intangible assets, classified as investing activities</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
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<loc xlink:type="locator" xlink:href="549300QKJ78IY0IOV655-2025-12-31.xsd#glpg_DisclosureOfConvertibleLoanTextBlock" xlink:label="loc_glpg_DisclosureOfConvertibleLoanTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_glpg_DisclosureOfConvertibleLoanTextBlock" xml:lang="en">Disclosure Of Convertible Loan [Text Block]</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_glpg_DisclosureOfConvertibleLoanTextBlock" xml:lang="en">Disclosure of convertible loan (Textblock).</label>
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