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          xml:lang="fr">Total actifs non courants</label>
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          xml:lang="fr">Clients et comptes rattachés</label>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_ConsolidatedRetainedEarnings"
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          xlink:role="http://www.xbrl.org/2003/role/label"
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          xml:lang="fr">Réserves consolidées</label>
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          xlink:from="atos_EmployeeBenefitsExpenseExcludingShareBasedPayment"
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          xml:lang="fr">Charges de personnel</label>
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          xml:lang="fr">Charges opérationnelles autres que salariales</label>
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          xml:lang="fr">Marge&#160;opérationnelle</label>
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          xml:lang="fr">Marge&#160;opérationnelle</label>
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          xlink:from="atos_OtherOperatingIncomeAndExpenseNet"
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          xlink:type="resource"
          xml:lang="fr">Autres produits et charges opérationnels</label>
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          xlink:from="atos_NetCostOfFinancialDebt"
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Coût de l’endettement financier net</label>
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          xml:lang="fr">Produits financiers (charges financières)</label>
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          xlink:from="atos_ProfitLossBeforeTaxAndBeforeShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod"
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Résultat&#160;avant&#160;impôt et avant quote-part du résultat net des sociétés mises en équivalence</label>
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          xlink:role="http://www.xbrl.org/2003/role/totalLabel"
          xlink:type="resource"
          xml:lang="fr">Résultat&#160;avant&#160;impôt et avant quote-part du résultat net des sociétés mises en équivalence</label>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="ifrs-full_ProfitLossAttributableToOwnersOfParent"
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          xlink:role="http://www.xbrl.org/2003/role/totalLabel"
          xlink:type="resource"
          xml:lang="fr">Résultat net (perte nette) attribuable aux propriétaires de la société mère</label>
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          xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageShares"
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="ifrs-full_WeightedAverageShares"
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          xlink:type="arc"/>
        <label
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          xlink:role="http://www.xbrl.org/2003/role/verboseLabel"
          xlink:type="resource"
          xml:lang="fr">Nombre moyen pondéré d’actions ordinaires en circulation</label>
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          xlink:type="locator"/>
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          xlink:from="ifrs-full_AdjustedWeightedAverageShares"
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          xlink:role="http://www.xbrl.org/2003/role/verboseLabel"
          xlink:type="resource"
          xml:lang="fr">Nombre moyen pondéré ajusté d’actions ordinaires en circulation</label>
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          xlink:from="atos_AdjustmentsForDepreciationAndAmortisationExpenseExcludingDepreciationOfRightOfUseAndAmortisationOfAquisitionRelatedIntangibleAssets"
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        <label
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Amortissement des immobilisations corporelles et incorporelles</label>
        <loc
          xlink:href="5493001EZOOA66PTBR68-2024-12-31.xsd#atos_AdjustementsForDepreciationOfRightOfUse"
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          xlink:type="locator"/>
        <labelArc
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_AdjustementsForDepreciationOfRightOfUse"
          xlink:to="label_atos_AdjustementsForDepreciationOfRightOfUse"
          xlink:type="arc"/>
        <label
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Amortissement des droits d’utilisation</label>
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          xlink:href="5493001EZOOA66PTBR68-2024-12-31.xsd#atos_AdjustmentsForOperatingProvisions"
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          xlink:type="locator"/>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_AdjustmentsForOperatingProvisions"
          xlink:to="label_atos_AdjustmentsForOperatingProvisions"
          xlink:type="arc"/>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Dotations (reprises) nettes aux provisions opérationnelles</label>
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          xlink:type="locator"/>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_AdjustmentsForFinancialProvisions"
          xlink:to="label_atos_AdjustmentsForFinancialProvisions"
          xlink:type="arc"/>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Dotations (reprises) nettes aux provisions financières</label>
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          xlink:type="locator"/>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_AdjustmentsForOtherOperatingProvisions"
          xlink:to="label_atos_AdjustmentsForOtherOperatingProvisions"
          xlink:type="arc"/>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Dotations (reprises) nettes aux autres provisions opérationnelles</label>
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          xlink:href="5493001EZOOA66PTBR68-2024-12-31.xsd#atos_AdjustmentsForAmortisationOfAcquisitionRelatedIntangibleAssets"
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          xlink:type="locator"/>
        <labelArc
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_AdjustmentsForAmortisationOfAcquisitionRelatedIntangibleAssets"
          xlink:to="label_atos_AdjustmentsForAmortisationOfAcquisitionRelatedIntangibleAssets"
          xlink:type="arc"/>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Amortissement des immobilisations incorporelles (allocation du prix d’acquisition)</label>
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          xlink:type="locator"/>
        <labelArc
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_AdjustmentsForNetCostOfFinancialDebt"
          xlink:to="label_atos_AdjustmentsForNetCostOfFinancialDebt"
          xlink:type="arc"/>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Coût de l’endettement financier net</label>
        <loc
          xlink:href="5493001EZOOA66PTBR68-2024-12-31.xsd#atos_AdjustmentsForInterestOnLeaseLiabilities"
          xlink:label="atos_AdjustmentsForInterestOnLeaseLiabilities"
          xlink:type="locator"/>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_AdjustmentsForInterestOnLeaseLiabilities"
          xlink:to="label_atos_AdjustmentsForInterestOnLeaseLiabilities"
          xlink:type="arc"/>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Intérêts sur dettes de location</label>
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          xlink:type="locator"/>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital"
          xlink:to="label_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital"
          xlink:type="arc"/>
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          xlink:role="http://www.xbrl.org/2003/role/totalLabel"
          xlink:type="resource"
          xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) des activités avant variations du fonds de roulement</label>
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          xlink:type="locator"/>
        <labelArc
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities"
          xlink:to="label_ifrs-full_CashFlowsFromUsedInOperatingActivities"
          xlink:type="arc"/>
        <label
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          xlink:role="http://www.xbrl.org/2003/role/totalLabel"
          xlink:type="resource"
          xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) des activités opérationnelles</label>
        <loc
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          xlink:label="atos_PaymentForTangibleAndIntangibleAssets"
          xlink:type="locator"/>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_PaymentForTangibleAndIntangibleAssets"
          xlink:to="label_atos_PaymentForTangibleAndIntangibleAssets"
          xlink:type="arc"/>
        <label
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Décaissements liés aux acquisitions d’immobilisations corporelles et incorporelles</label>
        <loc
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_ProceedsFromDisposalsOfTangibleAndIntangibleAssets"
          xlink:to="label_atos_ProceedsFromDisposalsOfTangibleAndIntangibleAssets"
          xlink:type="arc"/>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Encaissements liés aux cessions d’immobilisations corporelles et incorporelles</label>
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          xlink:from="atos_NetOperatingInvestments"
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          xlink:role="http://www.xbrl.org/2003/role/label"
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          xml:lang="fr">Investissements&#160;opérationnels&#160;nets</label>
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          xlink:type="resource"
          xml:lang="fr">Investissements&#160;opérationnels&#160;nets</label>
        <loc
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          xlink:from="atos_AmountsPaidForAcquisitionsAndLongtermInvestments"
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Décaissements liés aux acquisitions d’immobilisations financières</label>
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          xlink:type="resource"
          xml:lang="fr">Encaissements nets liés aux cessions d'immobilisations financières</label>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Trésorerie des sociétés cédées durant l'exercice</label>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Investissements&#160;financiers&#160;nets</label>
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          xlink:type="resource"
          xml:lang="fr">Investissements&#160;financiers&#160;nets</label>
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          xlink:type="resource"
          xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d’activités d’investissement</label>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Rachats et reventes d’actions propres</label>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities"
          xlink:to="label_ifrs-full_CashFlowsFromUsedInFinancingActivities"
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        <label
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          xlink:role="http://www.xbrl.org/2003/role/totalLabel"
          xlink:type="resource"
          xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d’activités de financement</label>
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          xlink:from="ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition"
          xlink:to="label_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition"
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          xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"
          xlink:type="resource"
          xml:lang="fr">Trésorerie et équivalents de trésorerie si différents de l’état de la situation financière à l'ouverture</label>
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          xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"
          xlink:type="resource"
          xml:lang="fr">Trésorerie et équivalents de trésorerie si différents de l’état de la situation financière à la clôture</label>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="atos_ChangeInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract"
          xlink:to="label_atos_ChangeInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract"
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Augmentation/(diminution) nette de la trésorerie et des équivalents de trésorerie (abstrait)</label>
        <loc
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          xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"
          xlink:to="label_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"
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          xlink:role="http://www.xbrl.org/2003/role/totalLabel"
          xlink:type="resource"
          xml:lang="fr">Augmentation (diminution) de la trésorerie et des équivalents de trésorerie</label>
        <loc
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          xlink:from="atos_ConsolidatedRetainedEarningsMember"
          xlink:to="label_atos_ConsolidatedRetainedEarningsMember"
          xlink:type="arc"/>
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Réserves consolidées [member]</label>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
          xlink:from="ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners"
          xlink:to="label_ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners"
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        <label
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          xlink:role="http://www.xbrl.org/2003/role/totalLabel"
          xlink:type="resource"
          xml:lang="fr">Augmentation (diminution) par le biais de transactions avec les propriétaires, capitaux propres</label>
        <loc
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"
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          xlink:role="http://www.xbrl.org/2003/role/label"
          xlink:type="resource"
          xml:lang="fr">Ajustement IFRIC 19 des capitaux propres</label>
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