diff --git a/front/src/applications/editor/Home.tsx b/front/src/applications/editor/Home.tsx
index 8f3ec3fa655..a1375435121 100644
--- a/front/src/applications/editor/Home.tsx
+++ b/front/src/applications/editor/Home.tsx
@@ -5,7 +5,6 @@ import { Route, Routes } from 'react-router-dom';
 import { ModalProvider } from 'common/BootstrapSNCF/ModalSNCF/ModalProvider';
 import NavBarSNCF from 'common/BootstrapSNCF/NavBarSNCF';
 import { useCurrentInfra } from 'modules/infra/useInfra';
-import { getLogo } from 'utils/logo';
 
 import Editor from './Editor';
 
@@ -16,7 +15,6 @@ export default function HomeEditorUnplugged() {
   return (
     <ModalProvider>
       <NavBarSNCF
-        logo={getLogo()}
         appName={
           <>
             {t('editor')}
diff --git a/front/src/applications/operationalStudies/Home.tsx b/front/src/applications/operationalStudies/Home.tsx
index 45c154c7750..30f5fab5138 100644
--- a/front/src/applications/operationalStudies/Home.tsx
+++ b/front/src/applications/operationalStudies/Home.tsx
@@ -19,7 +19,6 @@ import ProjectCard from 'modules/project/components/ProjectCard';
 import cleanLocalStorageByProject from 'modules/project/helpers/cleanLocalStorageByProject';
 import { getUserSafeWord } from 'reducers/user/userSelectors';
 import { useAppDispatch } from 'store';
-import { getLogo } from 'utils/logo';
 
 import AddNewCard from './components/AddNewCard';
 import useMultiSelection from './hooks/useMultiSelection';
@@ -165,10 +164,7 @@ const HomeOperationalStudies = () => {
 
   return (
     <>
-      <NavBarSNCF
-        logo={getLogo()}
-        appName={<div className="navbar-breadcrumbs">{t('projects')}</div>}
-      />
+      <NavBarSNCF appName={<div className="navbar-breadcrumbs">{t('projects')}</div>} />
       <main className="mastcontainer mastcontainer-no-mastnav">
         <div className="p-3">
           <div className="projects-toolbar">
diff --git a/front/src/applications/referenceMap/Home.tsx b/front/src/applications/referenceMap/Home.tsx
index 005dda9426e..fe1352905e1 100644
--- a/front/src/applications/referenceMap/Home.tsx
+++ b/front/src/applications/referenceMap/Home.tsx
@@ -9,7 +9,6 @@ import { ModalProvider } from 'common/BootstrapSNCF/ModalSNCF/ModalProvider';
 import NavBarSNCF from 'common/BootstrapSNCF/NavBarSNCF';
 import { useInfraActions, useInfraID } from 'common/osrdContext';
 import { useAppDispatch } from 'store';
-import { getLogo } from 'utils/logo';
 
 import Map from './Map';
 
@@ -40,7 +39,6 @@ const HomeReferenceMap = () => {
   return (
     <ModalProvider>
       <NavBarSNCF
-        logo={getLogo()}
         appName={
           <>
             {t('map')}
diff --git a/front/src/applications/rollingStockEditor/Home.tsx b/front/src/applications/rollingStockEditor/Home.tsx
index 082fa6447be..1ef6344f02c 100644
--- a/front/src/applications/rollingStockEditor/Home.tsx
+++ b/front/src/applications/rollingStockEditor/Home.tsx
@@ -2,7 +2,6 @@ import { useTranslation } from 'react-i18next';
 
 import { ModalProvider } from 'common/BootstrapSNCF/ModalSNCF/ModalProvider';
 import NavBarSNCF from 'common/BootstrapSNCF/NavBarSNCF';
-import { getLogo } from 'utils/logo';
 
 import RollingStockEditor from './views/RollingStockEditor';
 
@@ -11,7 +10,7 @@ const HomeRollingStockEditor = () => {
 
   return (
     <ModalProvider>
-      <NavBarSNCF logo={getLogo()} appName={<>{t('rollingStockEditor')}</>} />
+      <NavBarSNCF appName={<>{t('rollingStockEditor')}</>} />
       <RollingStockEditor />
     </ModalProvider>
   );
diff --git a/front/src/applications/stdcm/components/StdcmHeader.tsx b/front/src/applications/stdcm/components/StdcmHeader.tsx
index b43bd2b92ea..0fe4ef667b2 100644
--- a/front/src/applications/stdcm/components/StdcmHeader.tsx
+++ b/front/src/applications/stdcm/components/StdcmHeader.tsx
@@ -4,6 +4,14 @@ import { useTranslation } from 'react-i18next';
 import { useSelector } from 'react-redux';
 
 import { getIsSuperUser } from 'reducers/user/userSelectors';
+import useDeploymentSettings from 'utils/hooks/useDeploymentSettings';
+
+const LogoSTDCM = ({ logo }: { logo: string | undefined }) => {
+  if (logo) {
+    return <img src={logo} data-testid="lmr-logo" alt="LMR Logo" className="stdcm-header__logo" />;
+  }
+  return <span className="stdcm-header__title pl-5">ST DCM</span>;
+};
 
 type StdcmHeaderProps = {
   isDebugMode: boolean;
@@ -20,10 +28,11 @@ const StdcmHeader = ({
 }: StdcmHeaderProps) => {
   const { t } = useTranslation(['stdcm', 'translation']);
   const isSuperUser = useSelector(getIsSuperUser);
+  const { stdcmLogo } = useDeploymentSettings();
 
   return (
     <div className="stdcm-header d-flex">
-      <span className="stdcm-header__title pl-5">ST DCM</span>
+      <LogoSTDCM logo={stdcmLogo} />
       <div className="flex-grow-1 d-flex justify-content-center">
         <span className="stdcm-header__notification " id="notification">
           {t('stdcm:notificationTitle')}
diff --git a/front/src/applications/stdcm/components/StdcmResults/SimulationReportSheet.tsx b/front/src/applications/stdcm/components/StdcmResults/SimulationReportSheet.tsx
index 6da532c26c7..0f36bd41683 100644
--- a/front/src/applications/stdcm/components/StdcmResults/SimulationReportSheet.tsx
+++ b/front/src/applications/stdcm/components/StdcmResults/SimulationReportSheet.tsx
@@ -8,6 +8,7 @@ import logoSNCF from 'assets/simulationReportSheet/logo_sncf_reseau.png';
 import i18n from 'i18n';
 import type { StdcmPathStep } from 'reducers/osrdconf/types';
 import { dateToHHMMSS, formatDateToString, formatDay } from 'utils/date';
+import useDeploymentSettings from 'utils/hooks/useDeploymentSettings';
 import { msToKmh } from 'utils/physics';
 import { capitalizeFirstLetter } from 'utils/strings';
 import { secToMin } from 'utils/timeManipulation';
@@ -35,6 +36,18 @@ const getArrivalTimes = (step: StdcmPathStep, t: TFunction, shouldDisplay: boole
   return '';
 };
 
+const LogoSTDCM = ({ logo, t }: { logo: string | undefined; t: TFunction }) => {
+  if (logo) {
+    return <Image src={logo} style={styles.header.lmrLogo} />;
+  }
+  return (
+    <>
+      <Text style={styles.header.title}>{t('stdcm')}</Text>
+      <Text style={styles.header.creation}>{t('stdcmCreation')}</Text>
+    </>
+  );
+};
+
 const SimulationReportSheet = ({
   stdcmLinkedTrains,
   stdcmData,
@@ -42,6 +55,7 @@ const SimulationReportSheet = ({
   simulationReportSheetNumber,
   operationalPointsList,
 }: SimulationReportSheetProps) => {
+  const { stdcmSimulationSheetLogo } = useDeploymentSettings();
   const { t } = useTranslation(['stdcm-simulation-report-sheet', 'stdcm']);
   let renderedIndex = 0;
 
@@ -63,8 +77,7 @@ const SimulationReportSheet = ({
         <View style={styles.header.numberDateBanner}>
           <View style={styles.header.stdcmTitleBox}>
             <View style={styles.header.stdcm}>
-              <Text style={styles.header.title}>{t('stdcm')}</Text>
-              <Text style={styles.header.creation}>{t('stdcmCreation')}</Text>
+              <LogoSTDCM logo={stdcmSimulationSheetLogo} t={t} />
             </View>
           </View>
           <View style={styles.header.numericInfo}>
diff --git a/front/src/applications/stdcm/components/StdcmResults/SimulationReportStyleSheet.ts b/front/src/applications/stdcm/components/StdcmResults/SimulationReportStyleSheet.ts
index fcf033b9303..ae6eb28a621 100644
--- a/front/src/applications/stdcm/components/StdcmResults/SimulationReportStyleSheet.ts
+++ b/front/src/applications/stdcm/components/StdcmResults/SimulationReportStyleSheet.ts
@@ -42,6 +42,10 @@ const styles = {
       height: '24',
       marginLeft: '20',
     },
+    lmrLogo: {
+      width: 'auto',
+      marginRight: 'auto',
+    },
     simulationTitle: {
       fontSize: '28',
       fontWeight: 'semibold',
diff --git a/front/src/applications/stdcm/components/StdcmResults/StdcmResults.tsx b/front/src/applications/stdcm/components/StdcmResults/StdcmResults.tsx
index af6ac452b5a..a297470a435 100644
--- a/front/src/applications/stdcm/components/StdcmResults/StdcmResults.tsx
+++ b/front/src/applications/stdcm/components/StdcmResults/StdcmResults.tsx
@@ -14,6 +14,7 @@ import {
 import { hasConflicts, hasResults } from 'applications/stdcm/utils/simulationOutputUtils';
 import { type TrackRange } from 'common/api/osrdEditoastApi';
 import NewMap from 'modules/trainschedule/components/ManageTrainSchedule/NewMap';
+import useDeploymentSettings from 'utils/hooks/useDeploymentSettings';
 
 import SimulationReportSheet from './SimulationReportSheet';
 import StdcmDebugResults from './StdcmDebugResults';
@@ -50,6 +51,7 @@ const StcdmResults = ({
   pathTrackRanges,
 }: StcdmResultsProps) => {
   const { t } = useTranslation('stdcm', { keyPrefix: 'simulation.results' });
+  const { stdcmName } = useDeploymentSettings();
 
   const selectedSimulation = simulationsList[selectedSimulationIndex];
   const { outputs } = selectedSimulation || {};
@@ -112,7 +114,7 @@ const StcdmResults = ({
                         operationalPointsList={operationalPointsList}
                       />
                     }
-                    fileName={`STDCM-${simulationReportSheetNumber}.pdf`}
+                    fileName={`${stdcmName}-${simulationReportSheetNumber}.pdf`}
                   >
                     <Button
                       data-testid="download-simulation-button"
diff --git a/front/src/common/BootstrapSNCF/NavBarSNCF.tsx b/front/src/common/BootstrapSNCF/NavBarSNCF.tsx
index b2a3dd171d0..70b02210cc8 100644
--- a/front/src/common/BootstrapSNCF/NavBarSNCF.tsx
+++ b/front/src/common/BootstrapSNCF/NavBarSNCF.tsx
@@ -1,6 +1,7 @@
 import { type ReactElement } from 'react';
 
 import { Gear, Info, Report, ShieldCheck, SignOut } from '@osrd-project/ui-icons';
+import cx from 'classnames';
 import getUnicodeFlagIcon from 'country-flag-icons/unicode';
 import i18n from 'i18next';
 import { useTranslation } from 'react-i18next';
@@ -13,7 +14,7 @@ import ReleaseInformations from 'common/ReleaseInformations/ReleaseInformations'
 import UserSettings from 'common/UserSettings';
 import { getUserSafeWord } from 'reducers/user/userSelectors';
 import useAuth from 'utils/hooks/OsrdAuth';
-import { getLogo } from 'utils/logo';
+import useDeploymentSettings from 'utils/hooks/useDeploymentSettings';
 import { language2flag } from 'utils/strings';
 
 import DropdownSNCF, { DROPDOWN_STYLE_TYPES } from './DropdownSNCF';
@@ -24,17 +25,27 @@ type Props = {
   logo?: string;
 };
 
-const LegacyNavBarSNCF = ({ appName, logo = getLogo() }: Props) => {
+const LegacyNavBarSNCF = ({ appName, logo }: Props) => {
   const { openModal } = useModal();
+  const { digitalTwinLogo, digitalTwinName, isCustomizedDeployment } = useDeploymentSettings();
   const safeWord = useSelector(getUserSafeWord);
   const { t } = useTranslation('home/navbar');
   const { logout, username } = useAuth();
 
   return (
     <div className="mastheader">
-      <div className="mastheader-logo flex-grow-0">
+      <div
+        className={cx(
+          isCustomizedDeployment && logo ? `mastheader-logo__horizon` : `mastheader-logo`,
+          `flex-grow-0`
+        )}
+      >
         <Link to="/">
-          <img src={logo} data-testid="osrd-logo" alt="OSRD Logo" />
+          <img
+            src={logo ?? digitalTwinLogo}
+            data-testid={`${digitalTwinName.toLowerCase()}-logo`}
+            alt={`${digitalTwinName.toUpperCase()} Logo`}
+          />
         </Link>
       </div>
       <header role="banner" className="mastheader-title d-flex flex-grow-1">
diff --git a/front/src/common/ReleaseInformations/ReleaseInformations.tsx b/front/src/common/ReleaseInformations/ReleaseInformations.tsx
index 5892a42cdb1..854c67d3738 100644
--- a/front/src/common/ReleaseInformations/ReleaseInformations.tsx
+++ b/front/src/common/ReleaseInformations/ReleaseInformations.tsx
@@ -7,12 +7,13 @@ import { osrdEditoastApi } from 'common/api/osrdEditoastApi';
 import ModalBodySNCF from 'common/BootstrapSNCF/ModalSNCF/ModalBodySNCF';
 import ModalHeaderSNCF from 'common/BootstrapSNCF/ModalSNCF/ModalHeaderSNCF';
 import motriceParty from 'common/MotriceRelated/motriceParty';
-import { getLogo } from 'utils/logo';
+import useDeploymentSettings from 'utils/hooks/useDeploymentSettings';
 
 import LicenseAttributions from './LicenseAttributions';
 
 function ReleaseInformations() {
   const { t } = useTranslation('home/navbar');
+  const { digitalTwinLogo } = useDeploymentSettings();
   const { data: editoastVersion } = osrdEditoastApi.endpoints.getVersion.useQuery();
   const { data: coreVersion } = osrdEditoastApi.endpoints.getVersionCore.useQuery();
 
@@ -45,7 +46,7 @@ function ReleaseInformations() {
                   rel="noopener noreferrer"
                   onMouseEnter={motriceParty}
                 >
-                  <img src={getLogo()} alt="OSRD logo" width={192} />
+                  <img src={digitalTwinLogo} alt="OSRD logo" width={192} />
                 </a>
                 <h2>OSRD</h2>
                 <h3>Open Source Railway Designer</h3>
diff --git a/front/src/main/home.tsx b/front/src/main/home.tsx
index 63c6436b8c3..761d6a33be3 100644
--- a/front/src/main/home.tsx
+++ b/front/src/main/home.tsx
@@ -9,7 +9,7 @@ import useAllowedUserRoles from 'common/authorization/hooks/useAllowedUserRoles'
 import Card from 'common/BootstrapSNCF/CardSNCF/CardSNCF';
 import { ModalProvider } from 'common/BootstrapSNCF/ModalSNCF/ModalProvider';
 import NavBarSNCF from 'common/BootstrapSNCF/NavBarSNCF';
-import { getOsrdLogo } from 'utils/logo';
+import useDeploymentSettings from 'utils/hooks/useDeploymentSettings';
 
 export default function Home() {
   const { t } = useTranslation('home/home');
@@ -20,10 +20,11 @@ export default function Home() {
     rollingStockEditorAllowed,
     mapAllowed,
   } = useAllowedUserRoles();
+  const { digitalTwinLogoWithName } = useDeploymentSettings();
 
   return (
     <ModalProvider>
-      <NavBarSNCF logo={getOsrdLogo()} />
+      <NavBarSNCF logo={digitalTwinLogoWithName} />
       <main className="mastcontainer mastcontainer-no-mastnav">
         <div className="cardscontainer">
           <div className="row justify-content-center mb-2">
diff --git a/front/src/styles/scss/_body.scss b/front/src/styles/scss/_body.scss
index d22b362ce12..09870309334 100644
--- a/front/src/styles/scss/_body.scss
+++ b/front/src/styles/scss/_body.scss
@@ -67,6 +67,12 @@ body {
   img {
     height: 24px !important;
   }
+
+  &__horizon {
+    img {
+      height: 40px;
+    }
+  }
 }
 
 .actionbar.fullscreen {
diff --git a/front/src/styles/scss/applications/stdcm/_header.scss b/front/src/styles/scss/applications/stdcm/_header.scss
index 43762482a07..a828ec9ff83 100644
--- a/front/src/styles/scss/applications/stdcm/_header.scss
+++ b/front/src/styles/scss/applications/stdcm/_header.scss
@@ -8,6 +8,10 @@
   justify-content: space-between;
   padding-right: 50px;
 
+  &__logo {
+    padding: 10px 0 10px 10px;
+  }
+
   &__title {
     max-height: 48px;
     color: rgba(0, 0, 0, 1);
diff --git a/front/src/utils/hooks/useDeploymentSettings.ts b/front/src/utils/hooks/useDeploymentSettings.ts
new file mode 100644
index 00000000000..fa69914dcab
--- /dev/null
+++ b/front/src/utils/hooks/useDeploymentSettings.ts
@@ -0,0 +1,88 @@
+import { useEffect, useState } from 'react';
+
+import defaultLogo from 'assets/logo-color.svg';
+import defaultOsrdLogo from 'assets/logo-osrd-color-white.svg';
+import proudLogo from 'assets/proud-logo-color.svg';
+import proudOsrdLogo from 'assets/proud-logo-osrd-color-white.svg';
+import xmasLogo from 'assets/xmas-logo-color.svg';
+import xmasOsrdLogo from 'assets/xmas-logo-osrd-color-white.svg';
+
+const MONTH_VALUES = {
+  JUNE: 5,
+  DECEMBER: 11,
+};
+type DeploymentSettings = {
+  digitalTwinName: string;
+  digitalTwinLogo: string;
+  digitalTwinLogoWithName: string;
+  stdcmName: string;
+  stdcmLogo?: string;
+  stdcmSimulationSheetLogo?: string;
+  isCustomizedDeployment: boolean;
+};
+
+const useDeploymentSettings = () => {
+  const [customizedDeploymentSetting, setCustomizedDeploymentSetting] =
+    useState<DeploymentSettings>({
+      digitalTwinName: 'Osrd',
+      digitalTwinLogo: defaultLogo,
+      digitalTwinLogoWithName: defaultOsrdLogo,
+      stdcmName: 'Stdcm',
+      stdcmLogo: undefined,
+      stdcmSimulationSheetLogo: undefined,
+      isCustomizedDeployment: false,
+    });
+
+  useEffect(() => {
+    const fetchInternalProd = async () => {
+      try {
+        const response = await fetch('/overrides/overrides.json');
+        if (!response.ok || response.headers.get('Content-Type') !== 'application/json') {
+          let digitalTwinLogo = defaultLogo;
+          let digitalTwinLogoWithName = defaultOsrdLogo;
+          const currentMonth = new Date().getMonth();
+
+          if (currentMonth === MONTH_VALUES.JUNE) {
+            digitalTwinLogo = proudLogo;
+            digitalTwinLogoWithName = proudOsrdLogo;
+          } else if (currentMonth === MONTH_VALUES.DECEMBER) {
+            digitalTwinLogo = xmasLogo;
+            digitalTwinLogoWithName = xmasOsrdLogo;
+          }
+
+          setCustomizedDeploymentSetting((prev) => ({
+            ...prev,
+            isCustomizedDeployment: false,
+            digitalTwinLogo,
+            digitalTwinLogoWithName,
+          }));
+        } else {
+          const overridesData = await response.json();
+          const { icons, names } = overridesData;
+
+          const lmrLogoPath = `/overrides/${icons.stdcm.light}.svg`;
+          const lmrPngLogoPath = `/overrides/${icons.stdcm.light}@2x.png`;
+          const horizonLogoWithNamePath = `/overrides/${icons.digital_twin.dark}_Grey10.svg`;
+          const horizonLogoPath = `/overrides/${icons.digital_twin.dark}_Logo_Grey40.svg`;
+
+          setCustomizedDeploymentSetting({
+            digitalTwinName: names.digital_twin,
+            digitalTwinLogo: horizonLogoPath,
+            digitalTwinLogoWithName: horizonLogoWithNamePath,
+            stdcmName: names.stdcm,
+            stdcmLogo: lmrLogoPath,
+            stdcmSimulationSheetLogo: lmrPngLogoPath,
+            isCustomizedDeployment: true,
+          });
+        }
+      } catch (error) {
+        console.error('Error fetching overrides.json', error);
+      }
+    };
+    fetchInternalProd();
+  }, []);
+
+  return customizedDeploymentSetting;
+};
+
+export default useDeploymentSettings;
diff --git a/front/src/utils/logo.ts b/front/src/utils/logo.ts
deleted file mode 100644
index 1bf18a51fec..00000000000
--- a/front/src/utils/logo.ts
+++ /dev/null
@@ -1,31 +0,0 @@
-import defaultLogo from 'assets/logo-color.svg';
-import defaultOsrdLogo from 'assets/logo-osrd-color-white.svg';
-import proudLogo from 'assets/proud-logo-color.svg';
-import proudOsrdLogo from 'assets/proud-logo-osrd-color-white.svg';
-import xmasLogo from 'assets/xmas-logo-color.svg';
-import xmasOsrdLogo from 'assets/xmas-logo-osrd-color-white.svg';
-
-const MONTH_VALUES = {
-  JUNE: 5,
-  DECEMBER: 11,
-};
-
-export const getOsrdLogo = () => {
-  if (new Date().getMonth() === MONTH_VALUES.JUNE) {
-    return proudOsrdLogo;
-  }
-  if (new Date().getMonth() === MONTH_VALUES.DECEMBER) {
-    return xmasOsrdLogo;
-  }
-  return defaultOsrdLogo;
-};
-
-export const getLogo = () => {
-  if (new Date().getMonth() === MONTH_VALUES.JUNE) {
-    return proudLogo;
-  }
-  if (new Date().getMonth() === MONTH_VALUES.DECEMBER) {
-    return xmasLogo;
-  }
-  return defaultLogo;
-};
diff --git a/front/tests/pages/stdcm-page-model.ts b/front/tests/pages/stdcm-page-model.ts
index efd045aa3ae..a24cdf81194 100644
--- a/front/tests/pages/stdcm-page-model.ts
+++ b/front/tests/pages/stdcm-page-model.ts
@@ -689,7 +689,7 @@ class STDCMPage {
 
       // Verify filename and save the download
       const suggestedFilename = download.suggestedFilename();
-      expect(suggestedFilename).toMatch(/^STDCM.*\.pdf$/);
+      expect(suggestedFilename).toMatch(/^Stdcm.*\.pdf$/);
       const downloadPath = `./tests/stdcm-results/${browserName}/${suggestedFilename}`;
       await download.saveAs(downloadPath);
       logger.info(`The PDF was successfully downloaded to: ${downloadPath}`);