diff --git a/src/main/java/side/onetime/auth/handler/OAuthLoginSuccessHandler.java b/src/main/java/side/onetime/auth/handler/OAuthLoginSuccessHandler.java
index 2602c80..4fc8eb1 100644
--- a/src/main/java/side/onetime/auth/handler/OAuthLoginSuccessHandler.java
+++ b/src/main/java/side/onetime/auth/handler/OAuthLoginSuccessHandler.java
@@ -81,7 +81,7 @@ private void handleAuthentication(HttpServletRequest request, HttpServletRespons
 
         if (existUser == null) {
             // 신규 유저 처리
-            handleNewUser(request, response, provider, providerId, name);
+            handleNewUser(request, response, provider, providerId, name, email);
         } else {
             // 기존 유저 처리
             handleExistingUser(request, response, existUser);
@@ -94,9 +94,9 @@ private void handleAuthentication(HttpServletRequest request, HttpServletRespons
     }
 
     // 신규 유저 처리
-    private void handleNewUser(HttpServletRequest request, HttpServletResponse response, String provider, String providerId, String name) throws IOException {
+    private void handleNewUser(HttpServletRequest request, HttpServletResponse response, String provider, String providerId, String name, String email) throws IOException {
         log.info("신규 유저입니다.");
-        String registerToken = jwtUtil.generateRegisterToken(provider, providerId, name, ACCESS_TOKEN_EXPIRATION_TIME);
+        String registerToken = jwtUtil.generateRegisterToken(provider, providerId, name, email, ACCESS_TOKEN_EXPIRATION_TIME);
         String redirectUri = String.format(REGISTER_TOKEN_REDIRECT_URI, registerToken, URLEncoder.encode(name, StandardCharsets.UTF_8));
         getRedirectStrategy().sendRedirect(request, response, redirectUri);
     }
diff --git a/src/main/java/side/onetime/controller/UserController.java b/src/main/java/side/onetime/controller/UserController.java
index 69c216c..37c2d98 100644
--- a/src/main/java/side/onetime/controller/UserController.java
+++ b/src/main/java/side/onetime/controller/UserController.java
@@ -2,10 +2,7 @@
 
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 import side.onetime.dto.UserDto;
 import side.onetime.global.common.ApiResponse;
 import side.onetime.global.common.constant.SuccessStatus;
@@ -25,4 +22,23 @@ public ResponseEntity<ApiResponse<UserDto.OnboardUserResponse>> onboardUser(
         UserDto.OnboardUserResponse onboardUserResponse = userService.onboardUser(onboardUserRequest);
         return ApiResponse.onSuccess(SuccessStatus._ONBOARD_USER, onboardUserResponse);
     }
+
+    // 유저 정보 조회 API
+    @GetMapping("/profile")
+    public ResponseEntity<ApiResponse<UserDto.GetUserProfileResponse>> getUserProfile(
+            @RequestHeader("Authorization") String authorizationHeader) {
+
+        UserDto.GetUserProfileResponse getUserProfileResponse = userService.getUserProfile(authorizationHeader);
+        return ApiResponse.onSuccess(SuccessStatus._GET_USER_PROFILE, getUserProfileResponse);
+    }
+
+    // 유저 정보 수정 API
+    @PatchMapping("/profile/action-update")
+    public ResponseEntity<ApiResponse<SuccessStatus>> updateUserProfile(
+            @RequestHeader("Authorization") String authorizationHeader,
+            @RequestBody UserDto.UpdateUserProfileRequest updateUserProfileRequest) {
+
+        userService.updateUserProfile(authorizationHeader, updateUserProfileRequest);
+        return ApiResponse.onSuccess(SuccessStatus._UPDATE_USER_PROFILE);
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/side/onetime/domain/User.java b/src/main/java/side/onetime/domain/User.java
index c745c43..f47ad1d 100644
--- a/src/main/java/side/onetime/domain/User.java
+++ b/src/main/java/side/onetime/domain/User.java
@@ -20,6 +20,9 @@ public class User extends BaseEntity {
     @Column(name = "name", nullable = false, length = 50)
     private String name;
 
+    @Column(name = "email", nullable = false, length = 50)
+    private String email;
+
     @Column(name = "nickname", nullable = false, length = 10)
     private String nickname;
 
@@ -30,10 +33,15 @@ public class User extends BaseEntity {
     private String providerId;
 
     @Builder
-    public User(String name, String nickname, String provider, String providerId) {
+    public User(String name, String email, String nickname, String provider, String providerId) {
         this.name = name;
+        this.email = email;
         this.nickname = nickname;
         this.provider = provider;
         this.providerId = providerId;
     }
+
+    public void updateNickName(String nickname) {
+        this.nickname = nickname;
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/side/onetime/dto/UserDto.java b/src/main/java/side/onetime/dto/UserDto.java
index 2039903..cdad045 100644
--- a/src/main/java/side/onetime/dto/UserDto.java
+++ b/src/main/java/side/onetime/dto/UserDto.java
@@ -7,6 +7,7 @@
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import side.onetime.domain.User;
 
 public class UserDto {
     @Builder
@@ -37,4 +38,32 @@ public static OnboardUserResponse of(String accessToken, String refreshToken) {
                     .build();
         }
     }
+
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    @JsonNaming(value = PropertyNamingStrategies.SnakeCaseStrategy.class)
+    @JsonInclude(JsonInclude.Include.NON_NULL)
+    public static class GetUserProfileResponse {
+        private String nickname;
+        private String email;
+
+        public static GetUserProfileResponse of(User user) {
+            return GetUserProfileResponse.builder()
+                    .nickname(user.getNickname())
+                    .email(user.getEmail())
+                    .build();
+        }
+    }
+
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    @JsonNaming(value = PropertyNamingStrategies.SnakeCaseStrategy.class)
+    @JsonInclude(JsonInclude.Include.NON_NULL)
+    public static class UpdateUserProfileRequest {
+        private String nickname;
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/side/onetime/exception/UserErrorResult.java b/src/main/java/side/onetime/exception/UserErrorResult.java
index 7cbb342..c29dc0f 100644
--- a/src/main/java/side/onetime/exception/UserErrorResult.java
+++ b/src/main/java/side/onetime/exception/UserErrorResult.java
@@ -10,7 +10,8 @@
 @RequiredArgsConstructor
 public enum UserErrorResult implements BaseErrorCode {
     _NOT_FOUND_USER(HttpStatus.NOT_FOUND, "404", "유저를 찾을 수 없습니다."),
-    _NICKNAME_TOO_LONG(HttpStatus.BAD_REQUEST, "400", "닉네임 길이 제한을 초과했습니다.")
+    _NICKNAME_TOO_LONG(HttpStatus.BAD_REQUEST, "400", "닉네임 길이 제한을 초과했습니다."),
+    _NOT_FOUND_REQUEST_NICKNAME(HttpStatus.BAD_REQUEST, "400", "닉네임 요청 값을 찾을 수 없습니다.")
     ;
 
     private final HttpStatus httpStatus;
diff --git a/src/main/java/side/onetime/global/common/constant/SuccessStatus.java b/src/main/java/side/onetime/global/common/constant/SuccessStatus.java
index 6f03298..eaa3f4c 100644
--- a/src/main/java/side/onetime/global/common/constant/SuccessStatus.java
+++ b/src/main/java/side/onetime/global/common/constant/SuccessStatus.java
@@ -37,6 +37,8 @@ public enum SuccessStatus implements BaseCode {
     _REISSUE_TOKENS(HttpStatus.CREATED, "201", "토큰 재발행에 성공했습니다."),
     // User
     _ONBOARD_USER(HttpStatus.CREATED, "201", "유저 온보딩에 성공했습니다."),
+    _GET_USER_PROFILE(HttpStatus.OK, "200", "유저 정보 조회에 성공했습니다."),
+    _UPDATE_USER_PROFILE(HttpStatus.OK, "200", "유저 정보 수정에 성공했습니다."),
     ;
 
     private final HttpStatus httpStatus;
diff --git a/src/main/java/side/onetime/service/UserService.java b/src/main/java/side/onetime/service/UserService.java
index 6cca11a..c13a207 100644
--- a/src/main/java/side/onetime/service/UserService.java
+++ b/src/main/java/side/onetime/service/UserService.java
@@ -37,6 +37,7 @@ public UserDto.OnboardUserResponse onboardUser(UserDto.OnboardUserRequest onboar
         String provider = jwtUtil.getProviderFromToken(registerToken);
         String providerId = jwtUtil.getProviderIdFromToken(registerToken);
         String name = jwtUtil.getNameFromToken(registerToken);
+        String email = jwtUtil.getEmailFromToken(registerToken);
 
         if (onboardUserRequest.getNickname().length() > NICKNAME_LENGTH_LIMIT) {
             throw new UserException(UserErrorResult._NICKNAME_TOO_LONG);
@@ -44,6 +45,7 @@ public UserDto.OnboardUserResponse onboardUser(UserDto.OnboardUserRequest onboar
 
         User user = User.builder()
                 .name(name)
+                .email(email)
                 .nickname(onboardUserRequest.getNickname())
                 .provider(provider)
                 .providerId(providerId)
@@ -62,4 +64,27 @@ public UserDto.OnboardUserResponse onboardUser(UserDto.OnboardUserRequest onboar
         // 액세스 토큰 반환
         return UserDto.OnboardUserResponse.of(accessToken, refreshToken);
     }
-}
\ No newline at end of file
+
+    // 유저 정보 조회 메서드
+    public UserDto.GetUserProfileResponse getUserProfile(String authorizationHeader) {
+        User user = jwtUtil.getUserFromHeader(authorizationHeader);
+
+        return UserDto.GetUserProfileResponse.of(user);
+    }
+
+    // 유저 정보 수정 메서드
+    @Transactional
+    public void updateUserProfile(String authorizationHeader, UserDto.UpdateUserProfileRequest updateUserProfileRequest) {
+        User user = jwtUtil.getUserFromHeader(authorizationHeader);
+        String nickname = updateUserProfileRequest.getNickname();
+
+        if (nickname == null) {
+            throw new UserException(UserErrorResult._NOT_FOUND_REQUEST_NICKNAME);
+        }
+        if (nickname.length() > NICKNAME_LENGTH_LIMIT) {
+            throw new UserException(UserErrorResult._NICKNAME_TOO_LONG);
+        }
+        user.updateNickName(nickname);
+        userRepository.save(user);
+    }
+}
diff --git a/src/main/java/side/onetime/util/JwtUtil.java b/src/main/java/side/onetime/util/JwtUtil.java
index 982d7f4..303608f 100644
--- a/src/main/java/side/onetime/util/JwtUtil.java
+++ b/src/main/java/side/onetime/util/JwtUtil.java
@@ -44,13 +44,14 @@ public String generateAccessToken(Long userId, long expirationMillis) {
     }
 
     // 레지스터 토큰을 발급하는 메서드
-    public String generateRegisterToken(String provider, String providerId, String name, long expirationMillis) {
+    public String generateRegisterToken(String provider, String providerId, String name, String email, long expirationMillis) {
         log.info("레지스터 토큰이 발행되었습니다.");
 
         return Jwts.builder()
                 .claim("provider", provider)     // 클레임에 provider 추가
                 .claim("providerId", providerId) // 클레임에 providerId 추가
                 .claim("name", name)             // 클레임에 name 추가
+                .claim("email", email)           // 클레임에 email 추가
                 .issuedAt(new Date())
                 .expiration(new Date(System.currentTimeMillis() + expirationMillis))
                 .signWith(this.getSigningKey())
@@ -92,7 +93,7 @@ public Long getUserIdFromToken(String token) {
         }
     }
 
-    // 토큰에서 유저를 반환하는 메서드
+    // 헤더에서 유저를 반환하는 메서드
     public User getUserFromHeader(String authorizationHeader) {
         String token = getTokenFromHeader(authorizationHeader);
 
@@ -121,14 +122,14 @@ public String getProviderFromToken(String token) {
     // 토큰에서 providerId를 반환하는 메서드
     public String getProviderIdFromToken(String token) {
         try {
-            String userId = Jwts.parser()
+            String providerId = Jwts.parser()
                     .verifyWith(this.getSigningKey())
                     .build()
                     .parseSignedClaims(token)
                     .getPayload()
                     .get("providerId", String.class);
             log.info("providerId를 반환합니다.");
-            return userId;
+            return providerId;
         } catch (JwtException | IllegalArgumentException e) {
             // 토큰이 유효하지 않은 경우
             log.warn("토큰에서 providerId를 반환하는 도중 에러가 발생했습니다.");
@@ -139,14 +140,14 @@ public String getProviderIdFromToken(String token) {
     // 토큰에서 name을 반환하는 메서드
     public String getNameFromToken(String token) {
         try {
-            String userId = Jwts.parser()
+            String name = Jwts.parser()
                     .verifyWith(this.getSigningKey())
                     .build()
                     .parseSignedClaims(token)
                     .getPayload()
                     .get("name", String.class);
             log.info("name을 반환합니다.");
-            return userId;
+            return name;
         } catch (JwtException | IllegalArgumentException e) {
             // 토큰이 유효하지 않은 경우
             log.warn("토큰에서 이름을 반환하는 도중 에러가 발생했습니다.");
@@ -154,6 +155,24 @@ public String getNameFromToken(String token) {
         }
     }
 
+    // 토큰에서 name을 반환하는 메서드
+    public String getEmailFromToken(String token) {
+        try {
+            String email = Jwts.parser()
+                    .verifyWith(this.getSigningKey())
+                    .build()
+                    .parseSignedClaims(token)
+                    .getPayload()
+                    .get("email", String.class);
+            log.info("email을 반환합니다.");
+            return email;
+        } catch (JwtException | IllegalArgumentException e) {
+            // 토큰이 유효하지 않은 경우
+            log.warn("토큰에서 이메일을 반환하는 도중 에러가 발생했습니다.");
+            throw new TokenException(TokenErrorResult._INVALID_TOKEN);
+        }
+    }
+
     // Jwt 토큰의 유효기간을 확인하는 메서드
     public boolean isTokenExpired(String token) {
         try {