diff --git a/src/entities/alarm/ui/login-type-bottom-sheet.tsx b/src/entities/alarm/ui/login-type-bottom-sheet.tsx
index 8393814..81815f9 100644
--- a/src/entities/alarm/ui/login-type-bottom-sheet.tsx
+++ b/src/entities/alarm/ui/login-type-bottom-sheet.tsx
@@ -1,12 +1,12 @@
-import { APP_LOGIN_TYPE } from "@/entities/common/model/constant";
 import { LoginType } from "@/entities/common/model/types";
 import { IMAGE_ROOT } from "@/shared/constants/common";
+import { useTranslation } from "react-i18next";
 
 export interface LoginTypeBottomSheetProps {
   loginTypeBottomSheetOn: boolean;
   setLoginTypeBottomSheetOn: (loginTypeBottomSheetOn: boolean) => void;
   loginType: LoginType;
-  setLoginType: (loginType: LoginType) => void;
+  setLoginType: (loginType: string) => void;
 };
 
 export const LoginTypeBottomSheet = ({
@@ -15,11 +15,12 @@ export const LoginTypeBottomSheet = ({
   loginType,
   setLoginType
 }: LoginTypeBottomSheetProps) => {
+  const { t } = useTranslation();
 
   const onClickToClose = () => {
     setLoginTypeBottomSheetOn(false);
   };
-  const onChangeLoginType = (type: LoginType) => {
+  const onChangeLoginType = (type: string) => {
     setLoginType(type);
     onClickToClose();
   };
@@ -30,14 +31,14 @@ export const LoginTypeBottomSheet = ({
       <div className="bottomsheet">
         <div className="bottomsheet-header">
           <div className="bottomsheet-title">
-            <h2>로그인 방식을 선택하세요.</h2>
-            <button 
-              className="close-btn" 
+            <h2>{t('settings.loginType.title')}</h2>
+            <button
+              className="close-btn"
               type="button"
             >
-              <img 
+              <img
                 src={ IMAGE_ROOT + '/ico_close.svg' }
-                alt="닫기"
+                alt={t('common.close')}
                 onClick={ onClickToClose }
               />
             </button>
@@ -47,14 +48,14 @@ export const LoginTypeBottomSheet = ({
         <div className="bottomsheet-content">
           <div className="bottom-section">
             <ul className="list-style-circle link">
-              <li 
+              <li
                 className={ `${(loginType === LoginType.ID)? 'selected': ''}` }
-                onClick={ () => onChangeLoginType(LoginType.ID) }
-              >{ APP_LOGIN_TYPE[LoginType.ID] }</li>
+                onClick={ () => onChangeLoginType('ID') }
+              >{t('settings.loginType.idPassword')}</li>
               <li
                 className={ `${(loginType === LoginType.BIOMETRIC)? 'selected': ''}` }
-                onClick={ () => onChangeLoginType(LoginType.BIOMETRIC) }
-              >{ APP_LOGIN_TYPE[LoginType.BIOMETRIC] }</li>
+                onClick={ () => onChangeLoginType('BIOMETRIC') }
+              >{t('settings.loginType.biometric')}</li>
             </ul>
           </div>
         </div>
diff --git a/src/entities/alarm/ui/service-language-bottom-sheet.tsx b/src/entities/alarm/ui/service-language-bottom-sheet.tsx
index 692ac9f..3ff73d8 100644
--- a/src/entities/alarm/ui/service-language-bottom-sheet.tsx
+++ b/src/entities/alarm/ui/service-language-bottom-sheet.tsx
@@ -1,26 +1,31 @@
 import { APP_LANGUAGE } from "@/entities/common/model/constant";
 import { AppLanguage } from "@/entities/common/model/types";
 import { IMAGE_ROOT } from "@/shared/constants/common";
+import { useTranslation } from "react-i18next";
 
 export interface ServiceLanguageBottomSheetProps {
   serviceLanguageBottomSheetOn: boolean;
   setServiceLanguageBottomSheetOn: (serviceLanguageBottomSheetOn: boolean) => void;
   appLanguage: AppLanguage;
   setAppLanguage: (appLanguage: AppLanguage) => void;
+  changeLanguage: (language: string) => void | Promise<void>;
 };
 
 export const ServiceLanguageBottomSheet = ({
-  serviceLanguageBottomSheetOn,
+  serviceLanguageBottomSheetOn: _serviceLanguageBottomSheetOn,
   setServiceLanguageBottomSheetOn,
   appLanguage,
-  setAppLanguage
+  setAppLanguage,
+  changeLanguage
 }: ServiceLanguageBottomSheetProps) => {
+  const { t } = useTranslation();
 
   const onClickToClose = () => {
     setServiceLanguageBottomSheetOn(false);
   };
   const onChangeServiceLanguage = (language: AppLanguage) => {
     setAppLanguage(language);
+    changeLanguage(language);
     onClickToClose();
   };
 
@@ -30,14 +35,14 @@ export const ServiceLanguageBottomSheet = ({
       <div className="bottomsheet">
         <div className="bottomsheet-header">
           <div className="bottomsheet-title">
-            <h2>서비스 언어를 선택하세요.</h2>
-            <button 
-              className="close-btn" 
+            <h2>{t('settings.serviceLanguage.title')}</h2>
+            <button
+              className="close-btn"
               type="button"
             >
-              <img 
+              <img
                 src={ IMAGE_ROOT + '/ico_close.svg' }
-                alt="닫기"
+                alt={t('common.close')}
                 onClick={ onClickToClose }
               />
             </button>
@@ -46,12 +51,8 @@ export const ServiceLanguageBottomSheet = ({
 
         <div className="bottomsheet-content">
           <div className="bottom-section">
-            <p className="fs16">※ 미지원 언어일 경우 ENGLISH 자동 설정</p>
+            <p className="fs16">{t('settings.serviceLanguage.notice')}</p>
             <ul className="list-style-circle link">
-              <li
-                className={ `${(appLanguage === AppLanguage.DEVICE)? 'selected': ''}` }
-                onClick={ () => onChangeServiceLanguage(AppLanguage.DEVICE) }
-              >{ APP_LANGUAGE[AppLanguage.DEVICE] }</li>
               <li 
                 className={ `${(appLanguage === AppLanguage.KO)? 'selected': ''}` }
                 onClick={ () => onChangeServiceLanguage(AppLanguage.KO) }
diff --git a/src/entities/common/model/constant.ts b/src/entities/common/model/constant.ts
index 04b15ac..74d9b5e 100644
--- a/src/entities/common/model/constant.ts
+++ b/src/entities/common/model/constant.ts
@@ -2,9 +2,9 @@ import { PATHS } from "@/shared/constants/paths";
 import { SortTypeKeys } from "./types";
 
 export const APP_LANGUAGE = {
-  DEVICE: '기기 설정 언어',
-  KO: '한국어',
-  EN: 'ENGLISH',
+  // DEVICE: '기기 설정 언어',
+  ko: '한국어',
+  en: 'English',
 };
 export const APP_LOGIN_TYPE = {
   ID: 'ID/PW 입력',
diff --git a/src/entities/common/model/types.ts b/src/entities/common/model/types.ts
index 2e836a3..f5a9b02 100644
--- a/src/entities/common/model/types.ts
+++ b/src/entities/common/model/types.ts
@@ -1,7 +1,7 @@
 export enum AppLanguage {
-  DEVICE = 'DEVICE',
-  KO = 'KO',
-  EN = 'EN'
+  // DEVICE = 'DEVICE',
+  KO = 'ko',
+  EN = 'en'
 };
 export enum LoginType {
   ID = 'ID',
diff --git a/src/hooks/useAppBridge.tsx b/src/hooks/useAppBridge.tsx
index e7db5dd..1d5c01d 100644
--- a/src/hooks/useAppBridge.tsx
+++ b/src/hooks/useAppBridge.tsx
@@ -66,6 +66,9 @@ interface UseAppBridgeReturn {
   getNotificationSetting: () => Promise<boolean>;
 
   setNotificationSetting: (enabled: boolean) => Promise<NotificationSettingResponse>;
+
+  // 언어 설정 조회
+  getLanguage: () => Promise<string>;
 }
 
 export const useAppBridge = (): UseAppBridgeReturn => {
@@ -294,6 +297,14 @@ export const useAppBridge = (): UseAppBridgeReturn => {
     }
   }, [isAndroid]);
 
+  const getLanguage = useCallback(async (): Promise<string> => {
+    if (!isNativeEnvironment) {
+      return localStorage.getItem('i18nextLng') || 'ko';
+    }
+    const result = await appBridge.safeCall(() => appBridge.getLanguage(), 'ko');
+    return result || 'ko';
+  }, [isNativeEnvironment]);
+
   return {
     isNativeEnvironment,
     isAndroid,
@@ -319,6 +330,7 @@ export const useAppBridge = (): UseAppBridgeReturn => {
     openAppSettings,
     getLoginType,
     getNotificationSetting,
-    setNotificationSetting
+    setNotificationSetting,
+    getLanguage
   };
 }; 
\ No newline at end of file
diff --git a/src/locales/en.json b/src/locales/en.json
index 8b9c630..8d784b0 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -75,6 +75,32 @@
         "completed": "Completed",
         "failed": "Failed"
       },
+    "settings": {
+        "title": "Settings",
+        "notificationSettings": "Notification Settings",
+        "noticeAlarms": "Notice Alarms",
+        "serviceOperation": "Service Operation & Failures",
+        "interestFreeEvent": "Interest-Free Benefits & Events",
+        "servicePolicyChange": "Service & Policy Changes",
+        "niceNews": "NICE News & Other Information",
+        "settlementAlarms": "Settlement Alarms",
+        "settlementStatus": "Settlement Status",
+        "settlementLimit": "Settlement Limit Alarm",
+        "marketingConsent": "Marketing Information Consent",
+        "loginTypeSetting": "Login Type",
+        "serviceLanguageSetting": "Language",
+        "logout": "Logout",
+        "privacyPolicy": "Privacy Policy",
+        "loginType": {
+            "title": "Please select a login type.",
+            "idPassword": "ID/PW Login",
+            "biometric": "Biometric Authentication"
+        },
+        "serviceLanguage": {
+            "title": "Please select language.",
+            "notice": "※ If the language is not supported, English will be set automatically"
+        }
+    },
     "support": {
         "notice": {
             "title": "Notice",
diff --git a/src/locales/ko.json b/src/locales/ko.json
index c0a9447..5092fa6 100644
--- a/src/locales/ko.json
+++ b/src/locales/ko.json
@@ -75,6 +75,32 @@
         "completed": "완료",
         "failed": "실패"
       },
+    "settings": {
+        "title": "설정",
+        "notificationSettings": "알림 수신 설정",
+        "noticeAlarms": "공지사항 알림",
+        "serviceOperation": "서비스 운영 및 장애",
+        "interestFreeEvent": "무이자 혜택 및 이벤트",
+        "servicePolicyChange": "서비스 이용 및 정책 변경",
+        "niceNews": "NICE소식 및 기타 정보",
+        "settlementAlarms": "정산 알림",
+        "settlementStatus": "정산처리 현황",
+        "settlementLimit": "정산한도 알림",
+        "marketingConsent": "마케팅 정보 수신 동의",
+        "loginTypeSetting": "로그인 방식 설정",
+        "serviceLanguageSetting": "서비스 언어 설정",
+        "logout": "로그아웃",
+        "privacyPolicy": "개인정보처리방침",
+        "loginType": {
+            "title": "로그인 방식을 선택하세요.",
+            "idPassword": "ID/PW 입력",
+            "biometric": "생체 인증"
+        },
+        "serviceLanguage": {
+            "title": "서비스 언어를 선택하세요.",
+            "notice": "※ 미지원 언어일 경우 ENGLISH 자동 설정"
+        }
+    },
     "support": {
         "notice": {
             "title": "공지사항",
diff --git a/src/pages/setting/setting-page.tsx b/src/pages/setting/setting-page.tsx
index 595cb27..9e04611 100644
--- a/src/pages/setting/setting-page.tsx
+++ b/src/pages/setting/setting-page.tsx
@@ -13,6 +13,8 @@ import {
 } from '@/widgets/sub-layout/use-sub-layout';
 import { ChangeEvent, useCallback, useEffect, useState } from 'react';
 import { useAppBridge } from '@/hooks/useAppBridge';
+import { useTranslation } from 'react-i18next';
+import appBridge from '@/utils/appBridge';
 
 export const SettingPage = () => {
   let userInfo = useStore.getState().UserStore.userInfo;
@@ -23,17 +25,21 @@ export const SettingPage = () => {
     getLoginType,
     getNotificationSetting,
     setNotificationSetting: updateNotificationSetting,
-    isAndroid
+    isAndroid,
+    getLanguage
   } = useAppBridge();
+  const { t, i18n } = useTranslation();
 
-  useSetHeaderTitle('설정');
+  useSetHeaderTitle(t('settings.title'));
   useSetHeaderType(HeaderType.LeftArrow);
   useSetFooterMode(false);
 
   const [loginTypeBottomSheetOn, setLoginTypeBottomSheetOn] = useState<boolean>(false);
   const [serviceLanguageBottomSheetOn, setServiceLanguageBottomSheetOn] = useState<boolean>(false);
   const [loginType, setLoginType] = useState<LoginType>(LoginType.ID);
-  const [appLanguage, setAppLanguage] = useState<AppLanguage>(AppLanguage.KO);
+  const [appLanguage, setAppLanguage] = useState<AppLanguage>(
+    (i18n.language === 'en' ? AppLanguage.EN : AppLanguage.KO)
+  );
 
   const {mutateAsync: appAlarmFind} = useAppAlarmFindMutation();
   const {mutateAsync: appAlarmConsent} = useAppAlarmConsentMutation();
@@ -71,6 +77,17 @@ export const SettingPage = () => {
     });
   }, [getLoginType]);
 
+  const loadLanguage = useCallback(() => {
+    getLanguage().then((language) => {
+      const languageType = language === 'en' ? AppLanguage.EN : AppLanguage.KO;
+      setAppLanguage(languageType);
+      // i18n 언어도 동기화
+      if (i18n.language !== language) {
+        i18n.changeLanguage(language);
+      }
+    });
+  }, [getLanguage, i18n]);
+
   const onClickPushNotificationToggle = () => {
     openAppSettings();
   };
@@ -142,19 +159,7 @@ export const SettingPage = () => {
     }
   }, [isAndroid, notificationSetting, updateNotificationSetting, getNotificationSetting]);
 
-  const callAppAlarmFind = () => {
-    if(userInfo.usrid){
-      let params: AppAlarmFindParams = {
-        usrid: userInfo.usrid,
-        appCl: MERCHANT_ADMIN_APP.MERCHANT_ADMIN_APP
-      };
-      appAlarmFind(params).then((rs: AppAlarmFindResponse) => {
-        responseAlarmSetting(rs);
-      });
-    }
-  };
-
-  const responseAlarmSetting = (data: AppAlarmFindResponse) => {
+  const responseAlarmSetting = useCallback((data: AppAlarmFindResponse) => {
     let responseAlarms: Record<string, boolean> = {};
     for(let i=0;i<data.alarmAgree.length;i++){
       let item = data.alarmAgree[i];
@@ -164,11 +169,23 @@ export const SettingPage = () => {
         responseAlarms['' + appNotificationSubCategory] = appNotificationAllowed;
       }
     }
-    setAlarmSetting({
-      ...alarmSetting,
+    setAlarmSetting(prevState => ({
+      ...prevState,
       ...responseAlarms
-    });
-  };
+    }));
+  }, []);
+
+  const callAppAlarmFind = useCallback(() => {
+    if(userInfo.usrid){
+      let params: AppAlarmFindParams = {
+        usrid: userInfo.usrid,
+        appCl: MERCHANT_ADMIN_APP.MERCHANT_ADMIN_APP
+      };
+      appAlarmFind(params).then((rs: AppAlarmFindResponse) => {
+        responseAlarmSetting(rs);
+      });
+    }
+  }, [userInfo.usrid, appAlarmFind, responseAlarmSetting]);
 
   const callAppAlarmConsent = (value: boolean, alarmCode: string) => {
     if(userInfo.usrid){
@@ -178,7 +195,7 @@ export const SettingPage = () => {
         appNotificationSubCategory: alarmCode,
         appNotificationAllowed: value
       };
-      appAlarmConsent(params).then((rs: AppAlarmConsentResponse) => {
+      appAlarmConsent(params).then((_rs: AppAlarmConsentResponse) => {
         setAlarmSetting({
           ...alarmSetting,
           ...{ ['' + alarmCode]: value }
@@ -186,24 +203,66 @@ export const SettingPage = () => {
       });
     }
   };
-  
+
+  const changeLanguage = async (language: string) => {
+    // 웹 언어 변경
+    i18n.changeLanguage(language);
+    localStorage.setItem('i18nextLng', language);
+
+    // 네이티브 환경에서 네이티브 언어도 변경
+    if (appBridge.isNativeEnvironment()) {
+      try {
+        await appBridge.setLanguage(language);
+      } catch (error) {
+        console.error('Failed to set native language:', error);
+      }
+    }
+  };
+
+  const getLoginTypeLabel = (type: LoginType): string => {
+    switch (type) {
+      case LoginType.ID:
+        return t('settings.loginType.idPassword');
+      case LoginType.BIOMETRIC:
+        return t('settings.loginType.biometric');
+      default:
+        return '';
+    }
+  };
+
+  const getLanguageLabel = (language: AppLanguage): string => {
+    switch (language) {
+      case AppLanguage.KO:
+        return '한국어';
+      case AppLanguage.EN:
+        return 'English';
+      default:
+        return '';
+    }
+  };
+
+  const handleSetLoginType = (type: string) => {
+    setLoginType(type as LoginType);
+  };
+
   useEffect(() => {
     callAppAlarmFind();
     checkPushNotificationStatus();
     loadLoginType();
-    loadNotificationSetting(); // ✅ 추가
+    loadNotificationSetting();
+    loadLanguage();
 
     // 앱이 포어그라운드로 돌아올 때 푸시 알림 권한 상태 재확인
     const handleVisibilityChange = () => {
       if (document.visibilityState === 'visible') {
         checkPushNotificationStatus();
-        loadNotificationSetting(); // ✅ 추가
+        loadNotificationSetting();
       }
     };
 
     const handleFocus = () => {
       checkPushNotificationStatus();
-      loadNotificationSetting(); // ✅ 추가
+      loadNotificationSetting();
     };
 
     document.addEventListener('visibilitychange', handleVisibilityChange);
@@ -213,7 +272,7 @@ export const SettingPage = () => {
       document.removeEventListener('visibilitychange', handleVisibilityChange);
       window.removeEventListener('focus', handleFocus);
     };
-  }, [checkPushNotificationStatus, loadLoginType, loadNotificationSetting]);
+  }, [callAppAlarmFind, checkPushNotificationStatus, loadLoginType, loadNotificationSetting, loadLanguage]);
 
   return (
     <>
@@ -221,7 +280,7 @@ export const SettingPage = () => {
         <div className="sub-wrap">
           {/* ✅ Android일 때는 앱 내 설정, 아니면 시스템 권한 표시 */}
           <div className="settings-header">
-            <div className="settings-title">알림 수신 설정</div>
+            <div className="settings-title">{t('settings.notificationSettings')}</div>
             <label className="settings-switch">
               <input
                 type="checkbox"
@@ -243,9 +302,9 @@ export const SettingPage = () => {
           <div className="settings-divider"></div>
 
           <div className="settings-section">
-            <div className="settings-section-title">공지사항 알림</div>
+            <div className="settings-section-title">{t('settings.noticeAlarms')}</div>
             <div className="settings-row">
-              <div className="settings-row-title">서비스 운영 및 장애</div>
+              <div className="settings-row-title">{t('settings.serviceOperation')}</div>
               <label className="settings-switch">
                 <input
                   type="checkbox"
@@ -257,7 +316,7 @@ export const SettingPage = () => {
               </label>
             </div>
             <div className="settings-row">
-              <div className="settings-row-title">무이자 혜택 및 이벤트</div>
+              <div className="settings-row-title">{t('settings.interestFreeEvent')}</div>
               <label className="settings-switch">
                 <input
                   type="checkbox"
@@ -269,7 +328,7 @@ export const SettingPage = () => {
               </label>
             </div>
             <div className="settings-row">
-              <div className="settings-row-title">서비스 이용 및 정책 변경</div>
+              <div className="settings-row-title">{t('settings.servicePolicyChange')}</div>
               <label className="settings-switch">
                 <input
                   type="checkbox"
@@ -281,7 +340,7 @@ export const SettingPage = () => {
               </label>
             </div>
             <div className="settings-row">
-              <div className="settings-row-title">NICE소식 및 기타 정보</div>
+              <div className="settings-row-title">{t('settings.niceNews')}</div>
               <label className="settings-switch">
                 <input
                   type="checkbox"
@@ -295,9 +354,9 @@ export const SettingPage = () => {
           </div>
 
           <div className="settings-section nopadding">
-            <div className="settings-section-title">정산 알림</div>
+            <div className="settings-section-title">{t('settings.settlementAlarms')}</div>
             <div className="settings-row">
-              <div className="settings-row-title">정산처리 현황</div>
+              <div className="settings-row-title">{t('settings.settlementStatus')}</div>
               <label className="settings-switch">
                 <input
                   type="checkbox"
@@ -309,7 +368,7 @@ export const SettingPage = () => {
               </label>
             </div>
             <div className="settings-row nopadding">
-              <div className="settings-row-title">정산한도 알림</div>
+              <div className="settings-row-title">{t('settings.settlementLimit')}</div>
               <label className="settings-switch">
                 <input
                   type="checkbox"
@@ -326,10 +385,10 @@ export const SettingPage = () => {
 
           <div className="settings-section nopadding">
             <div className="settings-row link">
-              <div className="settings-row-title bd-style">마케팅 정보 수신 동의</div>
+              <div className="settings-row-title bd-style">{t('settings.marketingConsent')}</div>
               <label className="settings-switch">
-                <input 
-                  type="checkbox" 
+                <input
+                  type="checkbox"
                   checked={ alarmSetting['15'] }
                   onChange={ (e: ChangeEvent<HTMLInputElement>) => callAppAlarmConsent(e.target.checked, '15') }
                 />
@@ -342,22 +401,22 @@ export const SettingPage = () => {
             className="settings-row link"
             onClick={ () => setLoginTypeBottomSheetOn(true) }
           >
-            <div className="settings-row-title bd-style">로그인 방식 설정</div>
-            <div className="click">{ APP_LOGIN_TYPE[loginType] }</div>
+            <div className="settings-row-title bd-style">{t('settings.loginTypeSetting')}</div>
+            <div className="click">{ getLoginTypeLabel(loginType) }</div>
           </div>
 
           <div
             className="settings-row link nopadding"
             onClick={ () => setServiceLanguageBottomSheetOn(true) }
           >
-            <div className="settings-row-title bd-style">서비스 언어 설정</div>
-            <div className="click">{ APP_LANGUAGE[appLanguage] }</div>
+            <div className="settings-row-title bd-style">{t('settings.serviceLanguageSetting')}</div>
+            <div className="click">{ getLanguageLabel(appLanguage) }</div>
           </div>
 
           <div className="settings-divider"></div>
 
           <div className="settings-row danger" onClick={onClickLogout}>
-            <div className="settings-row-title bd-style">로그아웃</div>
+            <div className="settings-row-title bd-style">{t('settings.logout')}</div>
           </div>
 
           <div style={{ marginTop: '10px', paddingBottom: '10px' }}>
@@ -370,7 +429,7 @@ export const SettingPage = () => {
                 textAlign: 'center',
                 padding: '12px'
               }}
-            >개인정보처리방침</div>
+            >{t('settings.privacyPolicy')}</div>
           </div>
         </div>
       </main>
@@ -379,7 +438,7 @@ export const SettingPage = () => {
           loginTypeBottomSheetOn={ loginTypeBottomSheetOn }
           setLoginTypeBottomSheetOn={ setLoginTypeBottomSheetOn }
           loginType={ loginType }
-          setLoginType={ setLoginType }
+          setLoginType={ handleSetLoginType }
         ></LoginTypeBottomSheet>
       }
       { !!serviceLanguageBottomSheetOn &&
@@ -388,6 +447,7 @@ export const SettingPage = () => {
           setServiceLanguageBottomSheetOn={ setServiceLanguageBottomSheetOn }
           appLanguage={ appLanguage }
           setAppLanguage={ setAppLanguage }
+          changeLanguage={ changeLanguage }
         ></ServiceLanguageBottomSheet>
       }
     </>