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  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_galp_FornecimentosEOutrosServicosExternosVariados_019b02b6-4cbe-7398-8597-3e4f9894d378_negatedLabel_en" xlink:label="lab_galp_FornecimentosEOutrosServicosExternosVariados" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Supplies and other external services expenses</link:label>
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    <link:label id="lab_galp_FornecimentosEOutrosServicosExternosVariados_documentation_en" xlink:label="lab_galp_FornecimentosEOutrosServicosExternosVariados" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Supplies and other external services expenses</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_FornecimentosEOutrosServicosExternosVariados" xlink:to="lab_galp_FornecimentosEOutrosServicosExternosVariados" xlink:type="arc" order="1"/>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaidToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaidToNoncontrollingInterests" xlink:to="lab_ifrs-full_DividendsPaidToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ReclassificacaodeReservasdeConversaoCambialParaResultados_label_en" xlink:label="lab_galp_ReclassificacaodeReservasdeConversaoCambialParaResultados" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Reclassification Of Currency Translation Reserve To Profit Or Loss</link:label>
    <link:label id="lab_galp_ReclassificacaodeReservasdeConversaoCambialParaResultados_documentation_en" xlink:label="lab_galp_ReclassificacaodeReservasdeConversaoCambialParaResultados" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Reclassification Of Currency Translation Reserve To Profit Or Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ReclassificacaodeReservasdeConversaoCambialParaResultados" xlink:href="galp-2025-12-31.xsd#galp_ReclassificacaodeReservasdeConversaoCambialParaResultados"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ReclassificacaodeReservasdeConversaoCambialParaResultados" xlink:to="lab_galp_ReclassificacaodeReservasdeConversaoCambialParaResultados" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_OutrosContasAPagarNaoCorrentes_label_en" xlink:label="lab_galp_OutrosContasAPagarNaoCorrentes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other non current payables</link:label>
    <link:label id="lab_galp_OutrosContasAPagarNaoCorrentes_documentation_en" xlink:label="lab_galp_OutrosContasAPagarNaoCorrentes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Other non current payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_OutrosContasAPagarNaoCorrentes" xlink:href="galp-2025-12-31.xsd#galp_OutrosContasAPagarNaoCorrentes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_OutrosContasAPagarNaoCorrentes" xlink:to="lab_galp_OutrosContasAPagarNaoCorrentes" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes_019b02b6-4cbe-70ee-a40c-26b996729589_totalLabel_en" xlink:label="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Profit or Loss before taxes and other contributions</link:label>
    <link:label id="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes_label_en" xlink:label="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Profit or Loss before taxes and other contributions</link:label>
    <link:label id="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes_documentation_en" xlink:label="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Profit or Loss before taxes and other contributions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes" xlink:href="galp-2025-12-31.xsd#galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes" xlink:to="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber_019b02b6-4cbe-7f0d-80a7-3e7a4b084501_negatedLabel_en" xlink:label="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Provisions and impairment losses on other receivables</link:label>
    <link:label id="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber_label_en" xlink:label="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Provisions and impairment losses on other receivables</link:label>
    <link:label id="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber_documentation_en" xlink:label="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Provisions and impairment losses on other receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber" xlink:href="galp-2025-12-31.xsd#galp_ProvisoesEPerdasPorImparidadesDeContasAReceber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber" xlink:to="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForFinanceIncomeCost_019b02b6-4cbe-7f23-9ae7-6c65fa4c45b3_negatedLabel_en" xlink:label="lab_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Adjustments for finance income (cost)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForFinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:to="lab_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico_019b02b6-4cbe-7689-b8a6-5c260c4a53be_negatedLabel_en" xlink:label="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Energy sector extraordinary contribution</link:label>
    <link:label id="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico_label_en" xlink:label="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Energy sector extraordinary contribution</link:label>
    <link:label id="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico_documentation_en" xlink:label="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Energy sector extraordinary contribution</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico" xlink:href="galp-2025-12-31.xsd#galp_ContribuicaoExtraordinariaSobreOSectorEnergetico"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico" xlink:to="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda_label_en" xlink:label="lab_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Currency translation reserves related to non current assets classified as held for sale</link:label>
    <link:label id="lab_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda_documentation_en" xlink:label="lab_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Currency translation reserves related to non current assets classified as held for sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:href="galp-2025-12-31.xsd#galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:to="lab_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b02b6-4cbe-7fcc-9b09-e93ac781af27_totalLabel_en" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Cash flows from (used in) financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_CustoDasVendasEVariacaoDeProducao_019b02b6-4cbe-7a43-9ae5-4750dee7f66f_negatedLabel_en" xlink:label="lab_galp_CustoDasVendasEVariacaoDeProducao" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Cost of sales and variation in production</link:label>
    <link:label id="lab_galp_CustoDasVendasEVariacaoDeProducao_label_en" xlink:label="lab_galp_CustoDasVendasEVariacaoDeProducao" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cost of sales and variation in production</link:label>
    <link:label id="lab_galp_CustoDasVendasEVariacaoDeProducao_documentation_en" xlink:label="lab_galp_CustoDasVendasEVariacaoDeProducao" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Cost of sales and variation in production</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_CustoDasVendasEVariacaoDeProducao" xlink:href="galp-2025-12-31.xsd#galp_CustoDasVendasEVariacaoDeProducao"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_CustoDasVendasEVariacaoDeProducao" xlink:to="lab_galp_CustoDasVendasEVariacaoDeProducao" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_RevenueAndOtherOperatingIncomeAbstract_label_en" xlink:label="lab_galp_RevenueAndOtherOperatingIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Revenue and other operating income [Abstract]</link:label>
    <link:label id="lab_galp_RevenueAndOtherOperatingIncomeAbstract_documentation_en" xlink:label="lab_galp_RevenueAndOtherOperatingIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Revenue and other operating income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_RevenueAndOtherOperatingIncomeAbstract" xlink:href="galp-2025-12-31.xsd#galp_RevenueAndOtherOperatingIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_RevenueAndOtherOperatingIncomeAbstract" xlink:to="lab_galp_RevenueAndOtherOperatingIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b02b6-4cbe-75ec-8053-66bb2b0c4e18_totalLabel_en" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Cash flows from (used in) investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_PagamentosDeLocações_019b02b6-4cbe-7c4f-9394-1e4a15f1ed1a_negatedLabel_en" xlink:label="lab_galp_PagamentosDeLocações" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Payments relating to leasing</link:label>
    <link:label id="lab_galp_PagamentosDeLocações_label_en" xlink:label="lab_galp_PagamentosDeLocações" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Payments relating to leasing</link:label>
    <link:label id="lab_galp_PagamentosDeLocações_documentation_en" xlink:label="lab_galp_PagamentosDeLocações" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Payments relating to leasing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_PagamentosDeLocações" xlink:href="galp-2025-12-31.xsd#galp_PagamentosDeLocações"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_PagamentosDeLocações" xlink:to="lab_galp_PagamentosDeLocações" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial_019b02b6-4cbe-761d-be8b-da6a79bdd69a_negatedLabel_en" xlink:label="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Taxes and spt</link:label>
    <link:label id="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial_label_en" xlink:label="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Taxes and spt</link:label>
    <link:label id="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial_documentation_en" xlink:label="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Taxes and spt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:href="galp-2025-12-31.xsd#galp_ImpostoSobreORendimentoEParticipacaoEspecial"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:to="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento_019b02b6-4cbe-7d12-aaa5-d72a4bb49f6b_negatedLabel_en" xlink:label="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Other outflows of cash classified as investing activities</link:label>
    <link:label id="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento_label_en" xlink:label="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other outflows of cash classified as investing activities</link:label>
    <link:label id="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento_documentation_en" xlink:label="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Other outflows of cash classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:href="galp-2025-12-31.xsd#galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:to="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MiscellaneousOtherOperatingExpense_019b02b6-4cbe-70a5-83b1-80d2fcb7e708_negatedLabel_en" xlink:label="lab_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Miscellaneous other operating expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousOtherOperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:to="lab_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseByNature_019b02b6-4cbe-72e9-bd44-bdab629dc986_negatedLabel_en" xlink:label="lab_ifrs-full_ExpenseByNature" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Expenses, by nature</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseByNature" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpenseByNature"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseByNature" xlink:to="lab_ifrs-full_ExpenseByNature" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_OutrasContasAReceberNaoCorrentes_label_en" xlink:label="lab_galp_OutrasContasAReceberNaoCorrentes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other non current receivables</link:label>
    <link:label id="lab_galp_OutrasContasAReceberNaoCorrentes_documentation_en" xlink:label="lab_galp_OutrasContasAReceberNaoCorrentes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Other non current receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_OutrasContasAReceberNaoCorrentes" xlink:href="galp-2025-12-31.xsd#galp_OutrasContasAReceberNaoCorrentes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_OutrasContasAReceberNaoCorrentes" xlink:to="lab_galp_OutrasContasAReceberNaoCorrentes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss_019b02b6-4cbe-72c0-a487-66fd5efdc30b_negatedLabel_en" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Income tax relating to components of other comprehensive income that will be reclassified to profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:to="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos_019b02b6-4cbe-70e0-beea-f1386eb10b03_negatedLabel_en" xlink:label="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Amortization, depreciation and impairments on fixed assets</link:label>
    <link:label id="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos_label_en" xlink:label="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Amortization, depreciation and impairments on fixed assets</link:label>
    <link:label id="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos_documentation_en" xlink:label="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Amortization, depreciation and impairments on fixed assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:href="galp-2025-12-31.xsd#galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:to="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_CapitalSocialEPremioDeEmissao_label_en" xlink:label="lab_galp_CapitalSocialEPremioDeEmissao" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Share capital and share premium</link:label>
    <link:label id="lab_galp_CapitalSocialEPremioDeEmissao_documentation_en" xlink:label="lab_galp_CapitalSocialEPremioDeEmissao" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Share capital and share premium</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_CapitalSocialEPremioDeEmissao" xlink:href="galp-2025-12-31.xsd#galp_CapitalSocialEPremioDeEmissao"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_CapitalSocialEPremioDeEmissao" xlink:to="lab_galp_CapitalSocialEPremioDeEmissao" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_019b02b6-4cbe-7dd9-941f-a8efb6e59b5c_totalLabel_en" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Cash flows from (used in) operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_OutrasContasAReceberCorrentes__label_en" xlink:label="lab_galp_OutrasContasAReceberCorrentes_" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other current receivables</link:label>
    <link:label id="lab_galp_OutrasContasAReceberCorrentes__documentation_en" xlink:label="lab_galp_OutrasContasAReceberCorrentes_" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Outras contas a receber correntes_</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_OutrasContasAReceberCorrentes_" xlink:href="galp-2025-12-31.xsd#galp_OutrasContasAReceberCorrentes_"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_OutrasContasAReceberCorrentes_" xlink:to="lab_galp_OutrasContasAReceberCorrentes_" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019b02b6-4cbe-7085-bf1b-8305a87bcb82_negatedLabel_en" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Repayments of borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos_label_en" xlink:label="lab_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net cashflows from investment divestment in associates and joint ventures</link:label>
    <link:label id="lab_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos_documentation_en" xlink:label="lab_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Net cashflows from investment divestment in associates and joint ventures</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos" xlink:href="galp-2025-12-31.xsd#galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos" xlink:to="lab_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract_label_en" xlink:label="lab_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Profit or Loss before taxes and other contributions [Abstract]</link:label>
    <link:label id="lab_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract_documentation_en" xlink:label="lab_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Profit or Loss before taxes and other contributions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract" xlink:href="galp-2025-12-31.xsd#galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract" xlink:to="lab_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueAndOperatingIncome_019b02b6-4cbe-7520-b6e7-7bcd27fb9f8f_totalLabel_en" xlink:label="lab_ifrs-full_RevenueAndOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Revenue and other operating income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueAndOperatingIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueAndOperatingIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueAndOperatingIncome" xlink:to="lab_ifrs-full_RevenueAndOperatingIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_EquityAttributableToOwnersOfParentAbstract_label_en" xlink:label="lab_galp_EquityAttributableToOwnersOfParentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Equity attributable to owners of parent [abstract]</link:label>
    <link:label id="lab_galp_EquityAttributableToOwnersOfParentAbstract_documentation_en" xlink:label="lab_galp_EquityAttributableToOwnersOfParentAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Equity attributable to owners of parent [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_EquityAttributableToOwnersOfParentAbstract" xlink:href="galp-2025-12-31.xsd#galp_EquityAttributableToOwnersOfParentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_EquityAttributableToOwnersOfParentAbstract" xlink:to="lab_galp_EquityAttributableToOwnersOfParentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract_019b02b6-4cbe-7345-b7f0-0244d822ff7f_periodStartLabel_en" xlink:label="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en">Changes in Cash and cash equivalents if different from statement of financial position [abstract]</link:label>
    <link:label id="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract_label_en" xlink:label="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Changes in Cash and cash equivalents if different from statement of financial position [abstract]</link:label>
    <link:label id="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract_documentation_en" xlink:label="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Changes in Cash and cash equivalents if different from statement of financial position [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:href="galp-2025-12-31.xsd#galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:to="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt_019b02b6-4cbe-7d28-87d1-748cc7c0103b_negatedLabel_en" xlink:label="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Payments of income taxes, oil income tax and spt</link:label>
    <link:label id="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt_label_en" xlink:label="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Payments of income taxes, oil income tax and spt</link:label>
    <link:label id="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt_documentation_en" xlink:label="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Payments of income taxes oil income tax and spt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:href="galp-2025-12-31.xsd#galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:to="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_019b02b6-4cbe-7eb0-9683-9e8e169e584e_periodStartLabel_en" xlink:label="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en">Cash and cash equivalents if different from statement of financial position at the beggining of the period</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_019b02b6-4cbe-70dd-bf77-02d3b0eb9339_periodEndLabel_en" xlink:label="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en">Cash and cash equivalents if different from statement of financial position at the end of the period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:to="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ReservasDeConversaoExcluindoAsDeAtivosNaoCorrentesClassificadosComoDetidosParaVenda_label_en" xlink:label="lab_galp_ReservasDeConversaoExcluindoAsDeAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Currency translation reserves related to other than non current assets classified as held for sale</link:label>
    <link:label id="lab_galp_ReservasDeConversaoExcluindoAsDeAtivosNaoCorrentesClassificadosComoDetidosParaVenda_documentation_en" xlink:label="lab_galp_ReservasDeConversaoExcluindoAsDeAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Reservas de conversão excluindo as de ativos não correntes classificados como detidos para venda</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ReservasDeConversaoExcluindoAsDeAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:href="galp-2025-12-31.xsd#galp_ReservasDeConversaoExcluindoAsDeAtivosNaoCorrentesClassificadosComoDetidosParaVenda"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ReservasDeConversaoExcluindoAsDeAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:to="lab_galp_ReservasDeConversaoExcluindoAsDeAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_UnderliftingEOuOverlifting_label_en" xlink:label="lab_galp_UnderliftingEOuOverlifting" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Underlifting and or overlifting</link:label>
    <link:label id="lab_galp_UnderliftingEOuOverlifting_documentation_en" xlink:label="lab_galp_UnderliftingEOuOverlifting" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Underlifting and or overlifting</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_UnderliftingEOuOverlifting" xlink:href="galp-2025-12-31.xsd#galp_UnderliftingEOuOverlifting"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_UnderliftingEOuOverlifting" xlink:to="lab_galp_UnderliftingEOuOverlifting" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_019b02b6-4cbe-744f-8ab3-3c34b507a141_negatedLabel_en" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Purchase of treasury shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfTreasuryShares"/>
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    <link:label id="lab_ifrs-full_GainsOnDisposalsOfInvestments_019b02b6-4cbe-721c-9128-af5556f90c77_negatedLabel_en" xlink:label="lab_ifrs-full_GainsOnDisposalsOfInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Gains on disposals of investments</link:label>
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