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  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_snam_AdjustmentsForOtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates_59fa371d-0a36-4a3d-b877-895c11266462_negatedLabel_en" xlink:label="lab_snam_AdjustmentsForOtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Rettifiche per altri ricavi (costi) da società controllate, entità a controllo congiunto e società collegate</link:label>
    <link:label id="lab_snam_AdjustmentsForOtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates_label_en" xlink:label="lab_snam_AdjustmentsForOtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Rettifiche per altri ricavi (costi) da società controllate, entità a controllo congiunto e società collegate</link:label>
    <link:label id="lab_snam_AdjustmentsForOtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates_documentation_en" xlink:label="lab_snam_AdjustmentsForOtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Rettifiche per altri ricavi (costi) da società controllate, entità a controllo congiunto e società collegate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_AdjustmentsForOtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates" xlink:href="snam-2024-12-31.xsd#snam_AdjustmentsForOtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_AdjustmentsForOtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates" xlink:to="lab_snam_AdjustmentsForOtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OutflowsOfCashFromInvestingActivities_e2158d5c-baeb-4518-8bd9-f793a378f013_totalLabel_en" xlink:label="lab_ifrs-full_OutflowsOfCashFromInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Flussi finanziari in uscita da attività di investimento</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OutflowsOfCashFromInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OutflowsOfCashFromInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OutflowsOfCashFromInvestingActivities" xlink:to="lab_ifrs-full_OutflowsOfCashFromInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceIncomeCost_4f8b1e98-5381-4c8f-88fb-89101334bebe_totalLabel_en" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Proventi (oneri) finanziari</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncomeCost" xlink:to="lab_ifrs-full_FinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InvestmentIncome_fc1f4a6f-a4a0-4abe-a324-059e4edac38c_totalLabel_en" xlink:label="lab_ifrs-full_InvestmentIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Proventi degli investimenti</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentIncome" xlink:to="lab_ifrs-full_InvestmentIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_snam_InterimDividendMember_label_en" xlink:label="lab_snam_InterimDividendMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Acconto sul dividendo [member]</link:label>
    <link:label id="lab_snam_InterimDividendMember_documentation_en" xlink:label="lab_snam_InterimDividendMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Acconto sul dividendo [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_InterimDividendMember" xlink:href="snam-2024-12-31.xsd#snam_InterimDividendMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_InterimDividendMember" xlink:to="lab_snam_InterimDividendMember" xlink:type="arc" order="1"/>
    <link:label id="lab_snam_AdjustmentsForOtherProvisions_label_en" xlink:label="lab_snam_AdjustmentsForOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Rettifiche per altre accantonamenti</link:label>
    <link:label id="lab_snam_AdjustmentsForOtherProvisions_documentation_en" xlink:label="lab_snam_AdjustmentsForOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Rettifiche per altre accantonamenti</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_AdjustmentsForOtherProvisions" xlink:href="snam-2024-12-31.xsd#snam_AdjustmentsForOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_AdjustmentsForOtherProvisions" xlink:to="lab_snam_AdjustmentsForOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingExpense_21077114-c56d-4519-bb56-22cc16a75091_totalLabel_en" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Costi operativi</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="lab_ifrs-full_OperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_379c1553-4083-42e7-bb7a-236b25189da1_negatedTotalLabel_en" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en">Aumento (diminuzione) del capitale circolante</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:to="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_snam_ReclassificationOfMinorityInvestmentsAccountedForAtFVTOCIReserve_label_en" xlink:label="lab_snam_ReclassificationOfMinorityInvestmentsAccountedForAtFVTOCIReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Reclassification Of Minority Investments Accounted for At FVTOCI Reserve</link:label>
    <link:label id="lab_snam_ReclassificationOfMinorityInvestmentsAccountedForAtFVTOCIReserve_documentation_en" xlink:label="lab_snam_ReclassificationOfMinorityInvestmentsAccountedForAtFVTOCIReserve" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Riclassifica riserva da valutazione partecipazioni FVTOCI.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_ReclassificationOfMinorityInvestmentsAccountedForAtFVTOCIReserve" xlink:href="snam-2024-12-31.xsd#snam_ReclassificationOfMinorityInvestmentsAccountedForAtFVTOCIReserve"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_ReclassificationOfMinorityInvestmentsAccountedForAtFVTOCIReserve" xlink:to="lab_snam_ReclassificationOfMinorityInvestmentsAccountedForAtFVTOCIReserve" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_5959df91-256c-4fbb-a41f-09c8f3031b83_negatedLabel_en" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Acquisto di azioni proprie</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfTreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:to="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_snam_CouponsPaidToHoldersOfPerpetualSubordinatedBonds_label_en" xlink:label="lab_snam_CouponsPaidToHoldersOfPerpetualSubordinatedBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Coupons Paid To Holders Of Perpetual Subordinated Bonds</link:label>
    <link:label id="lab_snam_CouponsPaidToHoldersOfPerpetualSubordinatedBonds_documentation_en" xlink:label="lab_snam_CouponsPaidToHoldersOfPerpetualSubordinatedBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">L’ammontare delle cedole obbligazione subordinata perpetua</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_CouponsPaidToHoldersOfPerpetualSubordinatedBonds" xlink:href="snam-2024-12-31.xsd#snam_CouponsPaidToHoldersOfPerpetualSubordinatedBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_CouponsPaidToHoldersOfPerpetualSubordinatedBonds" xlink:to="lab_snam_CouponsPaidToHoldersOfPerpetualSubordinatedBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_c7799118-f60c-4749-baa4-2072dfcc9a8b_totalLabel_en" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Flussi finanziari derivanti da (usati in) attività operative</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_snam_IncreaseDecreaseThroughNetIssueReimbursementOfPerpetualSubordinatedBondsEquity_label_en" xlink:label="lab_snam_IncreaseDecreaseThroughNetIssueReimbursementOfPerpetualSubordinatedBondsEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Increase Decrease Through Net Issue Reimbursement Of Perpetual Subordinated Bonds Equity</link:label>
    <link:label id="lab_snam_IncreaseDecreaseThroughNetIssueReimbursementOfPerpetualSubordinatedBondsEquity_documentation_en" xlink:label="lab_snam_IncreaseDecreaseThroughNetIssueReimbursementOfPerpetualSubordinatedBondsEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Diminuzione (aumento) del patrimonio netto risultante dalle emissioni (rimborsi) nette di obbligazioni subordinate perpetue.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_IncreaseDecreaseThroughNetIssueReimbursementOfPerpetualSubordinatedBondsEquity" xlink:href="snam-2024-12-31.xsd#snam_IncreaseDecreaseThroughNetIssueReimbursementOfPerpetualSubordinatedBondsEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_IncreaseDecreaseThroughNetIssueReimbursementOfPerpetualSubordinatedBondsEquity" xlink:to="lab_snam_IncreaseDecreaseThroughNetIssueReimbursementOfPerpetualSubordinatedBondsEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_snam_RiservaPerObbligazioniSubordinatePerpetueMember_label_en" xlink:label="lab_snam_RiservaPerObbligazioniSubordinatePerpetueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Riserva per obbligazioni subordinate perpetue [Member]</link:label>
    <link:label id="lab_snam_RiservaPerObbligazioniSubordinatePerpetueMember_documentation_en" xlink:label="lab_snam_RiservaPerObbligazioniSubordinatePerpetueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Riserva per obbligazioni subordinate perpetue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_RiservaPerObbligazioniSubordinatePerpetueMember" xlink:href="snam-2024-12-31.xsd#snam_RiservaPerObbligazioniSubordinatePerpetueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_RiservaPerObbligazioniSubordinatePerpetueMember" xlink:to="lab_snam_RiservaPerObbligazioniSubordinatePerpetueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_snam_CostsForIssueOfPerpetualSubordinatedBonds_label_en" xlink:label="lab_snam_CostsForIssueOfPerpetualSubordinatedBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Costs For Issue Of Perpetual Subordinated Bonds</link:label>
    <link:label id="lab_snam_CostsForIssueOfPerpetualSubordinatedBonds_documentation_en" xlink:label="lab_snam_CostsForIssueOfPerpetualSubordinatedBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">L’ammontare dei costi per emissione di obbligazioni subordinate perpetue.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_CostsForIssueOfPerpetualSubordinatedBonds" xlink:href="snam-2024-12-31.xsd#snam_CostsForIssueOfPerpetualSubordinatedBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_CostsForIssueOfPerpetualSubordinatedBonds" xlink:to="lab_snam_CostsForIssueOfPerpetualSubordinatedBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_5ed04961-d6db-4b97-8c47-2ad6c331e5af_totalLabel_en" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Flussi finanziari derivanti da (usati in) attività di finanziamento</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_snam_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndProceedsFromSalesOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_label_en" xlink:label="lab_snam_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndProceedsFromSalesOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Incassi da vendite di partecipazioni contabilizzate con il metodo del patrimonio netto e proventi dalla vendita di attività finanziarie al fair value con impatto sulla redditività complessiva</link:label>
    <link:label id="lab_snam_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndProceedsFromSalesOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_documentation_en" xlink:label="lab_snam_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndProceedsFromSalesOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Incassi da vendite di partecipazioni contabilizzate con il metodo del patrimonio netto e proventi dalla vendita di attività finanziarie al fair value con impatto sulla redditività complessiva</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndProceedsFromSalesOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:href="snam-2024-12-31.xsd#snam_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndProceedsFromSalesOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndProceedsFromSalesOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_snam_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethodAndProceedsFromSalesOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_snam_ReserveOfBusinessCombinationsUnderCommonControlMember_label_en" xlink:label="lab_snam_ReserveOfBusinessCombinationsUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Riserva di aggregazioni aziendali sotto controllo comune [member]</link:label>
    <link:label id="lab_snam_ReserveOfBusinessCombinationsUnderCommonControlMember_documentation_en" xlink:label="lab_snam_ReserveOfBusinessCombinationsUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Riserva di aggregazioni aziendali sotto controllo comune [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_ReserveOfBusinessCombinationsUnderCommonControlMember" xlink:href="snam-2024-12-31.xsd#snam_ReserveOfBusinessCombinationsUnderCommonControlMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_ReserveOfBusinessCombinationsUnderCommonControlMember" xlink:to="lab_snam_ReserveOfBusinessCombinationsUnderCommonControlMember" xlink:type="arc" order="1"/>
    <link:label id="lab_snam_AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities_label_en" xlink:label="lab_snam_AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Rettifiche per la diminuzione (aumento) delle altre attività e rettifiche per l'aumento (diminuzione) di altre passività</link:label>
    <link:label id="lab_snam_AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities_documentation_en" xlink:label="lab_snam_AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Rettifiche per la diminuzione (aumento) delle altre attività e rettifiche per l'aumento (diminuzione) di altre passività</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:href="snam-2024-12-31.xsd#snam_AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities"/>
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    <link:label id="lab_snam_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodAndPurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_label_en" xlink:label="lab_snam_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodAndPurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Acquisto di partecipazioni contabilizzate con il metodo del patrimonio netto e acquisto di attività finanziarie al fair value con impatto sulla redditività complessiva</link:label>
    <link:label id="lab_snam_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodAndPurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_documentation_en" xlink:label="lab_snam_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodAndPurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Acquisto di partecipazioni contabilizzate con il metodo del patrimonio netto e acquisto di attività finanziarie al fair value con impatto sulla redditività complessiva</link:label>
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    <link:label id="lab_ifrs-full_InflowsOfCashFromInvestingActivities_b9ac0e9a-cd22-499c-8e88-aa34d54c95f4_totalLabel_en" xlink:label="lab_ifrs-full_InflowsOfCashFromInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Flussi finanziari in entrata da attività di investimento</link:label>
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    <link:label id="lab_snam_AdjustmentsForProvisionsForEmployeeBenefits_label_en" xlink:label="lab_snam_AdjustmentsForProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Rettifiche fondi per benefici ai dipendenti</link:label>
    <link:label id="lab_snam_AdjustmentsForProvisionsForEmployeeBenefits_documentation_en" xlink:label="lab_snam_AdjustmentsForProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Rettifiche fondi per benefici ai dipendenti</link:label>
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    <link:label id="lab_snam_AltreVariazioniPatrimonioNetto_label_en" xlink:label="lab_snam_AltreVariazioniPatrimonioNetto" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Altre variazioni, patrimonio netto</link:label>
    <link:label id="lab_snam_AltreVariazioniPatrimonioNetto_documentation_en" xlink:label="lab_snam_AltreVariazioniPatrimonioNetto" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">L'aumento (la diminuzione) del patrimonio netto dovuto(a) a variazioni che l'entità non presenta separatamente nello stesso prospetto o nota. [Rif: Patrimonio netto]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_AltreVariazioniPatrimonioNetto" xlink:href="snam-2024-12-31.xsd#snam_AltreVariazioniPatrimonioNetto"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_AltreVariazioniPatrimonioNetto" xlink:to="lab_snam_AltreVariazioniPatrimonioNetto" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_ada72203-4512-4471-a996-b4b33e508fc3_totalLabel_en" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Aumento (diminuzione) di disponibilità liquide e mezzi equivalenti al netto dell'effetto delle variazioni del tasso di cambio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners_67d99a0f-7ae7-422d-be44-854ce7e0797f_totalLabel_en" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Aumento (diminuzione) a seguito di operazioni con i soci, patrimonio netto</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners"/>
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    <link:label id="lab_ifrs-full_RevenueAndOperatingIncome_fef9a615-c4ff-4fc6-abd8-259eedd238fd_totalLabel_en" xlink:label="lab_ifrs-full_RevenueAndOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Ricavi e altri ricavi operativi</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueAndOperatingIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueAndOperatingIncome"/>
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    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities_a2390d30-12f5-4eb3-824c-6e628b04ec84_negatedLabel_en" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Interessi pagati, classificati come attività operativa</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities"/>
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    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss_8be57722-910a-405f-a979-7bbee5204c13_negatedLabel_en" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Imposte sul reddito relative alle altre componenti di conto economico complessivo che saranno riclassificate nell'utile (perdita) d'esercizio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss"/>
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    <link:label id="lab_snam_IncreaseDecreaseInCashAndCashEquivalentsRelatingToAssetsHeldForSaleAndDirectlyAssociatedLiabilitiesClassifiedAsFinancingActivities_label_en" xlink:label="lab_snam_IncreaseDecreaseInCashAndCashEquivalentsRelatingToAssetsHeldForSaleAndDirectlyAssociatedLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Incremento (diminuzione) delle disponibilità liquide e mezzi equivalenti relativi ad attività destinate alla vendita e direttamente associabili a passività, classificate come attività di finanziamento</link:label>
    <link:label id="lab_snam_IncreaseDecreaseInCashAndCashEquivalentsRelatingToAssetsHeldForSaleAndDirectlyAssociatedLiabilitiesClassifiedAsFinancingActivities_documentation_en" xlink:label="lab_snam_IncreaseDecreaseInCashAndCashEquivalentsRelatingToAssetsHeldForSaleAndDirectlyAssociatedLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Incremento (diminuzione) delle disponibilità liquide e mezzi equivalenti relativi ad attività destinate alla vendita e direttamente associabili a passività, classificate come attività di finanziamento</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_IncreaseDecreaseInCashAndCashEquivalentsRelatingToAssetsHeldForSaleAndDirectlyAssociatedLiabilitiesClassifiedAsFinancingActivities" xlink:href="snam-2024-12-31.xsd#snam_IncreaseDecreaseInCashAndCashEquivalentsRelatingToAssetsHeldForSaleAndDirectlyAssociatedLiabilitiesClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_snam_IncreaseDecreaseInCashAndCashEquivalentsRelatingToAssetsHeldForSaleAndDirectlyAssociatedLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_snam_IncreaseDecreaseInCashAndCashEquivalentsRelatingToAssetsHeldForSaleAndDirectlyAssociatedLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_snam_CashFlowsFromUsedInDecreaseIncreaseInPayablesAndReceivablesRelatingToInvestmentsClassifiedAsInvestingActivities_label_en" xlink:label="lab_snam_CashFlowsFromUsedInDecreaseIncreaseInPayablesAndReceivablesRelatingToInvestmentsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Flusso di cassa da (assorbito) decremento (aumento) di debiti e crediti relativi ad investimenti, classificati come attività di investimento</link:label>
    <link:label id="lab_snam_CashFlowsFromUsedInDecreaseIncreaseInPayablesAndReceivablesRelatingToInvestmentsClassifiedAsInvestingActivities_documentation_en" xlink:label="lab_snam_CashFlowsFromUsedInDecreaseIncreaseInPayablesAndReceivablesRelatingToInvestmentsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Flusso di cassa da (assorbito) decremento (aumento) di debiti e crediti relativi ad investimenti, classificati come attività di investimento</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_snam_CashFlowsFromUsedInDecreaseIncreaseInPayablesAndReceivablesRelatingToInvestmentsClassifiedAsInvestingActivities" xlink:href="snam-2024-12-31.xsd#snam_CashFlowsFromUsedInDecreaseIncreaseInPayablesAndReceivablesRelatingToInvestmentsClassifiedAsInvestingActivities"/>
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