diff --git a/BE/src/auth/auth.controller.ts b/BE/src/auth/auth.controller.ts
index d492b4b..2a52b48 100644
--- a/BE/src/auth/auth.controller.ts
+++ b/BE/src/auth/auth.controller.ts
@@ -4,6 +4,9 @@ import { AuthCredentialsDto } from "./dto/auth-credential.dto";
 import { AccessTokenDto } from "./dto/auth-access-token.dto";
 import { NoDuplicateLoginGuard } from "./guard/auth.user-guard";
 import { CreateUserDto } from "./dto/users.dto";
+import { User } from "./users.entity";
+import { GetUser } from "./get-user.decorator";
+import { JwtAuthGuard } from "./guard/auth.jwt-guard";
 
 @Controller("auth")
 export class AuthController {
@@ -23,4 +26,11 @@ export class AuthController {
   ): Promise<AccessTokenDto> {
     return this.authService.signIn(authCredentialsDto);
   }
+
+  @Post("/signout")
+  @UseGuards(JwtAuthGuard)
+  @HttpCode(204)
+  signOut(@GetUser() user: User): void {
+    this.authService.signOut(user);
+  }
 }
diff --git a/BE/src/auth/auth.service.ts b/BE/src/auth/auth.service.ts
index 4d83cf8..b85d7a7 100644
--- a/BE/src/auth/auth.service.ts
+++ b/BE/src/auth/auth.service.ts
@@ -37,4 +37,8 @@ export class AuthService {
       throw new NotFoundException("올바르지 않은 비밀번호입니다.");
     }
   }
+
+  signOut(user: User): void {
+    // const hasRefreshToken = true;
+  }
 }
diff --git a/BE/test/int/auth.signin.int-spec.ts b/BE/test/int/auth.signin.int-spec.ts
index 04a2175..7ddee04 100644
--- a/BE/test/int/auth.signin.int-spec.ts
+++ b/BE/test/int/auth.signin.int-spec.ts
@@ -1,14 +1,12 @@
 import { Test, TestingModule } from "@nestjs/testing";
 import { INestApplication } from "@nestjs/common";
 import * as request from "supertest";
-import { AppModule } from "../../src/app.module";
 import { ValidationPipe } from "@nestjs/common";
 import { AuthModule } from "src/auth/auth.module";
 import { TypeOrmModule } from "@nestjs/typeorm";
 import { typeORMTestConfig } from "src/configs/typeorm.test.config";
-import { typeORMConfig } from "src/configs/typeorm.config";
 
-describe("/auth/signin (e2e)", () => {
+describe("[로그인] /auth/signin POST 통합 테스트", () => {
   let app: INestApplication;
 
   beforeAll(async () => {
@@ -22,6 +20,7 @@ describe("/auth/signin (e2e)", () => {
 
     await app.init();
   });
+
   afterAll(async () => {
     await app.close();
   });
diff --git a/BE/test/int/auth.signout.int-spec.ts b/BE/test/int/auth.signout.int-spec.ts
new file mode 100644
index 0000000..2836e07
--- /dev/null
+++ b/BE/test/int/auth.signout.int-spec.ts
@@ -0,0 +1,108 @@
+import { Test, TestingModule } from "@nestjs/testing";
+import { INestApplication } from "@nestjs/common";
+import * as request from "supertest";
+import { ValidationPipe } from "@nestjs/common";
+import { AuthModule } from "src/auth/auth.module";
+import { TypeOrmModule } from "@nestjs/typeorm";
+import { typeORMTestConfig } from "src/configs/typeorm.test.config";
+import { User } from "src/auth/users.entity";
+import { UsersRepository } from "src/auth/users.repository";
+
+describe("[로그아웃] /auth/signout POST 통합 테스트", () => {
+  let app: INestApplication;
+
+  beforeAll(async () => {
+    const moduleFixture: TestingModule = await Test.createTestingModule({
+      imports: [TypeOrmModule.forRoot(typeORMTestConfig), AuthModule],
+      providers: [UsersRepository],
+    }).compile();
+
+    app = moduleFixture.createNestApplication();
+    app.enableCors();
+    app.useGlobalPipes(new ValidationPipe());
+
+    await app.init();
+
+    await request(app.getHttpServer())
+      .post("/auth/signup")
+      .send({
+        userId: "SignoutTestUserId",
+        password: "SignoutTestPassword",
+        email: "signouttestemail@naver.com",
+        nickname: "SignoutTestUser",
+      })
+      .expect(201);
+  });
+
+  afterAll(async () => {
+    const usersRepository = new UsersRepository();
+
+    const testUser = await usersRepository.getUserByUserId("SignoutTestUserId");
+    if (testUser) {
+      await User.remove(testUser);
+    }
+
+    await app.close();
+  });
+
+  it("올바른 토큰으로 요청 시 204 No Content 응답", async () => {
+    const signInResponse = await request(app.getHttpServer())
+      .post("/auth/signin")
+      .send({
+        userId: "SignoutTestUserId",
+        password: "SignoutTestPassword",
+      })
+      .expect(201);
+
+    expect(signInResponse.body).toHaveProperty("accessToken");
+
+    const { accessToken } = signInResponse.body;
+
+    await request(app.getHttpServer())
+      .post("/auth/signout")
+      .set("Authorization", `Bearer ${accessToken}`)
+      .expect(204);
+  });
+
+  it("유효하지 않은 액세스 토큰이 포함된 상태로 로그아웃 요청 시 401 Unauthorized 응답", async () => {
+    await request(app.getHttpServer())
+      .post("/auth/signin")
+      .send({
+        userId: "SignoutTestUserId",
+        password: "SignoutTestPassword",
+      })
+      .expect(201);
+
+    const invalidAccessToken = "1234";
+    const postResponse = await request(app.getHttpServer())
+      .post("/auth/signout")
+      .set("Authorization", `Bearer ${invalidAccessToken}`)
+      .expect(401);
+
+    expect(postResponse.body).toEqual({
+      error: "Unauthorized",
+      message: "유효하지 않은 토큰입니다.",
+      statusCode: 401,
+    });
+  });
+
+  it("토큰이 존재하지 않은 상태로 로그아웃 요청 시 401 Unauthorized 응답", async () => {
+    await request(app.getHttpServer())
+      .post("/auth/signin")
+      .send({
+        userId: "SignoutTestUserId",
+        password: "SignoutTestPassword",
+      })
+      .expect(201);
+
+    const postResponse = await request(app.getHttpServer())
+      .post("/auth/signout")
+      .expect(401);
+
+    expect(postResponse.body).toEqual({
+      error: "Unauthorized",
+      message: "비로그인 상태의 요청입니다.",
+      statusCode: 401,
+    });
+  });
+});