diff --git a/frontend/src/api/authentication.ts b/frontend/src/api/authentication.ts
index 4a11a5530..58f2ed2cb 100644
--- a/frontend/src/api/authentication.ts
+++ b/frontend/src/api/authentication.ts
@@ -5,6 +5,7 @@ const API_URL = process.env.REACT_APP_API_URL;
 
 export const SIGNUP_API_URL = `${API_URL}/signup`;
 export const LOGIN_API_URL = `${API_URL}/login`;
+export const LOGOUT_API_URL = `${API_URL}/logout`;
 export const LOGIN_STATE_API_URL = `${API_URL}/login/check`;
 export const CHECK_USERNAME_API_URL = `${API_URL}/check-username`;
 export const CHECK_EMAIL_API_URL = `${API_URL}/check-email`;
@@ -26,10 +27,24 @@ export const postLogin = async (loginInfo: LoginRequest) => {
   return response;
 };
 
+export const postLogout = async () => {
+  const response = await customFetch({
+    method: 'POST',
+    url: `${LOGOUT_API_URL}`,
+  });
+
+  return response;
+};
+
 export const getLoginState = async () => {
   const url = `${LOGIN_STATE_API_URL}`;
 
-  const response = await customFetch({ url });
+  const response = await fetch(url, {
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    credentials: 'include',
+  });
 
   if (response.status === 401) {
     throw new Error('로그인을 해주세요.');
@@ -46,7 +61,12 @@ export const checkEmail = async (email: string) => {
   const params = new URLSearchParams({ email });
   const url = `${CHECK_EMAIL_API_URL}?${params}`;
 
-  const response = await customFetch({ url });
+  const response = await fetch(url, {
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    credentials: 'include',
+  });
 
   if (response.status === 409) {
     throw new Error('중복된 이메일입니다.');
@@ -63,7 +83,12 @@ export const checkUsername = async (username: string) => {
   const params = new URLSearchParams({ username });
   const url = `${CHECK_USERNAME_API_URL}?${params}`;
 
-  const response = await customFetch({ url });
+  const response = await fetch(url, {
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    credentials: 'include',
+  });
 
   if (response.status === 409) {
     throw new Error('중복된 닉네임입니다.');
diff --git a/frontend/src/api/index.ts b/frontend/src/api/index.ts
index 891fbf634..8654cf40f 100644
--- a/frontend/src/api/index.ts
+++ b/frontend/src/api/index.ts
@@ -15,4 +15,5 @@ export {
   LOGIN_API_URL,
   LOGIN_STATE_API_URL,
   SIGNUP_API_URL,
+  LOGOUT_API_URL,
 } from './authentication';
diff --git a/frontend/src/components/Header/Header.tsx b/frontend/src/components/Header/Header.tsx
index 5d90ebd0c..ed0b79a44 100644
--- a/frontend/src/components/Header/Header.tsx
+++ b/frontend/src/components/Header/Header.tsx
@@ -1,12 +1,16 @@
 import { Link } from 'react-router-dom';
 
 import { logoIcon, newTemplateIcon, userMenuIcon } from '@/assets/images';
-import { Flex, Heading, Text } from '@/components';
+import { Button, Flex, Heading, Text } from '@/components';
 import { useCheckLoginState } from '@/hooks/authentication';
-import { theme } from '@/style/theme';
+import { useAuth } from '@/hooks/authentication/useAuth';
+import { useLogoutMutation } from '@/queries/authentication/useLogoutMutation';
+import { theme } from '../../style/theme';
 import * as S from './Header.style';
 
 const Header = ({ headerRef }: { headerRef: React.RefObject<HTMLDivElement> }) => {
+  const { isLogin } = useAuth();
+
   useCheckLoginState();
 
   return (
@@ -19,8 +23,12 @@ const Header = ({ headerRef }: { headerRef: React.RefObject<HTMLDivElement> }) =
         </Flex>
 
         <Flex align='center' gap='2rem'>
-          <NewTemplateButton />
-          <UserMenuButton />
+          <Link to={'/templates/upload'}>
+            <Button variant='outlined' size='medium' weight='bold' hoverStyle='none'>
+              <img src={newTemplateIcon} alt='' />새 템플릿
+            </Button>
+          </Link>
+          {isLogin ? <UserMenuButton /> : <LoginButton />}
         </Flex>
       </S.HeaderContentContainer>
     </S.HeaderContainer>
@@ -46,21 +54,26 @@ const NavOption = ({ route, name }: { route: string; name: string }) => (
   </Link>
 );
 
-const NewTemplateButton = () => (
-  <Link to={'/templates/upload'}>
-    <S.NewTemplateButton>
-      <img src={newTemplateIcon} alt='' />
-      <Text.Small weight='bold' color={theme.color.light.primary_800}>
-        새 템플릿
-      </Text.Small>
-    </S.NewTemplateButton>
-  </Link>
-);
+const UserMenuButton = () => {
+  const { mutateAsync } = useLogoutMutation();
 
-const UserMenuButton = () => (
-  <S.UserMenuButton>
-    <img src={userMenuIcon} alt='사용자 메뉴' />
-  </S.UserMenuButton>
+  const handleLogoutButton = async () => {
+    await mutateAsync();
+  };
+
+  return (
+    <S.UserMenuButton onClick={handleLogoutButton}>
+      <img src={userMenuIcon} alt='사용자 메뉴' />
+    </S.UserMenuButton>
+  );
+};
+
+const LoginButton = () => (
+  <Link to='/login'>
+    <Button variant='text' size='medium' weight='bold' hoverStyle='none'>
+      로그인
+    </Button>
+  </Link>
 );
 
 export default Header;
diff --git a/frontend/src/contexts/authContext.tsx b/frontend/src/contexts/authContext.tsx
new file mode 100644
index 000000000..599cf71aa
--- /dev/null
+++ b/frontend/src/contexts/authContext.tsx
@@ -0,0 +1,18 @@
+import { createContext, useState, ReactNode } from 'react';
+
+interface AuthContextProps {
+  isLogin: boolean;
+  handleLoginState: (state: boolean) => void;
+}
+
+export const AuthContext = createContext<AuthContextProps | undefined>(undefined);
+
+export const AuthProvider = ({ children }: { children: ReactNode }) => {
+  const [isLogin, setIsLogin] = useState(false);
+
+  const handleLoginState = (state: boolean) => {
+    setIsLogin(state);
+  };
+
+  return <AuthContext.Provider value={{ isLogin, handleLoginState }}>{children}</AuthContext.Provider>;
+};
diff --git a/frontend/src/hooks/authentication/useAuth.ts b/frontend/src/hooks/authentication/useAuth.ts
new file mode 100644
index 000000000..14072089c
--- /dev/null
+++ b/frontend/src/hooks/authentication/useAuth.ts
@@ -0,0 +1,13 @@
+import { useContext } from 'react';
+
+import { AuthContext } from '@/contexts/authContext';
+
+export const useAuth = () => {
+  const context = useContext(AuthContext);
+
+  if (!context) {
+    throw new Error('useAuth must be used within an AuthProvider');
+  }
+
+  return context;
+};
diff --git a/frontend/src/hooks/authentication/useCheckLoginState.ts b/frontend/src/hooks/authentication/useCheckLoginState.ts
index 1c15e4334..163faeb92 100644
--- a/frontend/src/hooks/authentication/useCheckLoginState.ts
+++ b/frontend/src/hooks/authentication/useCheckLoginState.ts
@@ -2,10 +2,12 @@ import { useCallback, useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
 
 import { useLoginStateQuery } from '@/queries/authentication/useLoginStateQuery';
+import { useAuth } from './useAuth';
 
 export const useCheckLoginState = () => {
-  const { error, isError } = useLoginStateQuery();
+  const { error, isError, isSuccess } = useLoginStateQuery();
   const navigate = useNavigate();
+  const { handleLoginState } = useAuth();
 
   const handleLoginNavigate = useCallback(() => {
     navigate('/login');
@@ -15,6 +17,11 @@ export const useCheckLoginState = () => {
     if (isError) {
       alert(error.message);
       handleLoginNavigate();
+      handleLoginState(false);
     }
-  }, [error, isError, handleLoginNavigate]);
+
+    if (isSuccess) {
+      handleLoginState(true);
+    }
+  }, [error, isError, isSuccess, handleLoginNavigate, handleLoginState]);
 };
diff --git a/frontend/src/index.tsx b/frontend/src/index.tsx
index 21741a185..0327286b6 100644
--- a/frontend/src/index.tsx
+++ b/frontend/src/index.tsx
@@ -7,6 +7,7 @@ import { RouterProvider } from 'react-router-dom';
 
 import { HeaderProvider } from './context/HeaderContext';
 import { ToastProvider } from './context/ToastContext';
+import { AuthProvider } from './contexts/authContext';
 import router from './routes/router';
 import GlobalStyles from './style/GlobalStyles';
 import { theme } from './style/theme';
@@ -44,12 +45,14 @@ enableMocking().then(() => {
     <React.StrictMode>
       <QueryClientProvider client={queryClient}>
         <ThemeProvider theme={theme}>
-          <ToastProvider>
-            <HeaderProvider>
-              <GlobalStyles />
-              <RouterProvider router={router} />
-            </HeaderProvider>
-          </ToastProvider>
+          <AuthProvider>
+            <ToastProvider>
+              <HeaderProvider>
+                <GlobalStyles />
+                <RouterProvider router={router} />
+              </HeaderProvider>
+            </ToastProvider>
+          </AuthProvider>
         </ThemeProvider>
       </QueryClientProvider>
     </React.StrictMode>,
diff --git a/frontend/src/mocks/handlers.ts b/frontend/src/mocks/handlers.ts
index 088efd1c4..fc4f226af 100644
--- a/frontend/src/mocks/handlers.ts
+++ b/frontend/src/mocks/handlers.ts
@@ -7,6 +7,7 @@ import {
   CHECK_USERNAME_API_URL,
   LOGIN_API_URL,
   LOGIN_STATE_API_URL,
+  LOGOUT_API_URL,
   SIGNUP_API_URL,
 } from '@/api';
 import mockCategoryList from './categoryList.json';
@@ -62,6 +63,14 @@ const authenticationHandler = [
         status: 200,
       }),
   ),
+  http.post(
+    `${LOGOUT_API_URL}`,
+    () =>
+      new HttpResponse(null, {
+        status: 204,
+        statusText: 'AUTHORIZED',
+      }),
+  ),
   http.get(
     `${CHECK_EMAIL_API_URL}`,
     () =>
diff --git a/frontend/src/queries/authentication/useLogoutMutation.ts b/frontend/src/queries/authentication/useLogoutMutation.ts
new file mode 100644
index 000000000..2b372d97d
--- /dev/null
+++ b/frontend/src/queries/authentication/useLogoutMutation.ts
@@ -0,0 +1,18 @@
+import { useMutation } from '@tanstack/react-query';
+
+import { postLogout } from '@/api/authentication';
+import { useAuth } from '@/hooks/authentication/useAuth';
+
+export const useLogoutMutation = () => {
+  const { handleLoginState } = useAuth();
+
+  return useMutation({
+    mutationFn: () => postLogout(),
+    onSuccess: () => {
+      handleLoginState(false);
+    },
+    onError: () => {
+      console.log('mutation');
+    },
+  });
+};