diff --git a/src/main/java/com/gcms/v3/domain/auth/domain/entity/RefreshToken.java b/src/main/java/com/gcms/v3/domain/auth/domain/entity/RefreshToken.java
index beba913..abf97a0 100644
--- a/src/main/java/com/gcms/v3/domain/auth/domain/entity/RefreshToken.java
+++ b/src/main/java/com/gcms/v3/domain/auth/domain/entity/RefreshToken.java
@@ -11,10 +11,10 @@
 @RedisHash(value = "refreshToken", timeToLive = 60L * 60 * 24 * 7)
 public class RefreshToken {
 
+    @Id
     @Indexed
     private String email;
 
-    @Id
     @Indexed
     private String token;
 }
diff --git a/src/main/java/com/gcms/v3/domain/auth/presentation/AuthController.java b/src/main/java/com/gcms/v3/domain/auth/presentation/AuthController.java
index 1bcd88d..ce5359e 100644
--- a/src/main/java/com/gcms/v3/domain/auth/presentation/AuthController.java
+++ b/src/main/java/com/gcms/v3/domain/auth/presentation/AuthController.java
@@ -2,6 +2,7 @@
 
 import com.gcms.v3.domain.auth.presentation.data.request.SignInRequestDto;
 import com.gcms.v3.domain.auth.presentation.data.response.TokenInfoResponseDto;
+import com.gcms.v3.domain.auth.service.CancelMembershipService;
 import com.gcms.v3.domain.auth.service.LogoutService;
 import com.gcms.v3.domain.auth.service.ReissueTokenService;
 import com.gcms.v3.domain.auth.service.SignInService;
@@ -12,12 +13,13 @@
 
 @RequiredArgsConstructor
 @RestController
-@RequestMapping("/v3/auth")
+@RequestMapping("/auth")
 public class AuthController {
 
     private final SignInService signInService;
     private final ReissueTokenService reissueTokenService;
     private final LogoutService logoutService;
+    private final CancelMembershipService cancelMembershipService;
 
     @PostMapping
     public ResponseEntity<TokenInfoResponseDto> signIn (@RequestBody SignInRequestDto signInRequestDto) {
@@ -32,8 +34,14 @@ public ResponseEntity<TokenInfoResponseDto> reissueToken (@RequestBody String re
     }
 
     @DeleteMapping("/logout")
-    public ResponseEntity<Void> logout(HttpServletRequest request) {
+    public ResponseEntity<Void> logout (HttpServletRequest request) {
         logoutService.execute(request);
         return ResponseEntity.noContent().build();
     }
+
+    @DeleteMapping
+    public ResponseEntity<Void> cancelMembership () {
+        cancelMembershipService.execute();
+        return ResponseEntity.noContent().build();
+    }
 }
diff --git a/src/main/java/com/gcms/v3/domain/auth/service/CancelMembershipService.java b/src/main/java/com/gcms/v3/domain/auth/service/CancelMembershipService.java
new file mode 100644
index 0000000..3378bcd
--- /dev/null
+++ b/src/main/java/com/gcms/v3/domain/auth/service/CancelMembershipService.java
@@ -0,0 +1,5 @@
+package com.gcms.v3.domain.auth.service;
+
+public interface CancelMembershipService {
+    void execute();
+}
diff --git a/src/main/java/com/gcms/v3/domain/auth/service/impl/CancelMembershipServiceImpl.java b/src/main/java/com/gcms/v3/domain/auth/service/impl/CancelMembershipServiceImpl.java
new file mode 100644
index 0000000..1a2c32a
--- /dev/null
+++ b/src/main/java/com/gcms/v3/domain/auth/service/impl/CancelMembershipServiceImpl.java
@@ -0,0 +1,31 @@
+package com.gcms.v3.domain.auth.service.impl;
+
+import com.gcms.v3.domain.auth.domain.repository.RefreshTokenRepository;
+import com.gcms.v3.domain.auth.service.CancelMembershipService;
+import com.gcms.v3.domain.user.domain.entity.User;
+import com.gcms.v3.domain.user.domain.repository.UserRepository;
+import com.gcms.v3.domain.user.domain.repository.UserRoleRepository;
+import com.gcms.v3.domain.user.util.UserUtil;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class CancelMembershipServiceImpl implements CancelMembershipService {
+
+    private final UserUtil userUtil;
+    private final UserRepository userRepository;
+    private final UserRoleRepository userRoleRepository;
+    private final RefreshTokenRepository refreshTokenRepository;
+
+    public void execute() {
+        User user = userUtil.getCurrentUser();
+
+        refreshTokenRepository.deleteById(user.getEmail());
+
+        userRoleRepository.deleteByUser(user);
+        userRepository.deleteById(user.getId());
+    }
+}
diff --git a/src/main/java/com/gcms/v3/domain/auth/service/impl/SignInServiceImpl.java b/src/main/java/com/gcms/v3/domain/auth/service/impl/SignInServiceImpl.java
index b350f99..842e04f 100644
--- a/src/main/java/com/gcms/v3/domain/auth/service/impl/SignInServiceImpl.java
+++ b/src/main/java/com/gcms/v3/domain/auth/service/impl/SignInServiceImpl.java
@@ -18,7 +18,6 @@
 import org.springframework.stereotype.Service;
 
 @Service
-@Transactional(rollbackOn = Exception.class)
 @RequiredArgsConstructor
 public class SignInServiceImpl implements SignInService {
 
diff --git a/src/main/java/com/gcms/v3/domain/user/domain/repository/UserRoleRepository.java b/src/main/java/com/gcms/v3/domain/user/domain/repository/UserRoleRepository.java
index cf16d5e..1b45bab 100644
--- a/src/main/java/com/gcms/v3/domain/user/domain/repository/UserRoleRepository.java
+++ b/src/main/java/com/gcms/v3/domain/user/domain/repository/UserRoleRepository.java
@@ -8,4 +8,6 @@
 
 public interface UserRoleRepository extends JpaRepository<UserRole, byte[]> {
     List<UserRole> findByUser(User user);
+
+    void deleteByUser(User user);
 }
diff --git a/src/main/java/com/gcms/v3/global/security/config/SecurityConfig.java b/src/main/java/com/gcms/v3/global/security/config/SecurityConfig.java
index 21ef9a4..c1ee41e 100644
--- a/src/main/java/com/gcms/v3/global/security/config/SecurityConfig.java
+++ b/src/main/java/com/gcms/v3/global/security/config/SecurityConfig.java
@@ -42,9 +42,10 @@ public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Excepti
 
                 .authorizeHttpRequests((authorizeRequests) ->
                         authorizeRequests
-                                .requestMatchers(HttpMethod.POST, "/v3/auth").permitAll()
-                                .requestMatchers(HttpMethod.POST, "/v3/auth/reissueToken").authenticated()
-                                .requestMatchers(HttpMethod.DELETE, "/v3/auth/logout").authenticated()
+                                .requestMatchers(HttpMethod.POST, "/auth").permitAll()
+                                .requestMatchers(HttpMethod.POST, "/auth/reissueToken").permitAll()
+                                .requestMatchers(HttpMethod.DELETE, "/auth/logout").authenticated()
+                                .requestMatchers(HttpMethod.DELETE, "/auth").authenticated()
                 )
 
                 .addFilterBefore(new ExceptionFilter(objectMapper), UsernamePasswordAuthenticationFilter.class)