diff --git a/front/src/features/auth/components/SidebarFooter.tsx b/front/src/features/auth/components/SidebarFooter.tsx
new file mode 100644
index 0000000..aeca1d5
--- /dev/null
+++ b/front/src/features/auth/components/SidebarFooter.tsx
@@ -0,0 +1,21 @@
+import { Button } from '@/components'
+
+// 사이드바 하단: 공급사명 + 로그아웃
+export function SidebarFooter() {
+  return (
+    <div className="flex w-full h-[60px] py-3 px-8 gap-3 items-center">
+      <div className="flex-1 flex items-center min-w-0 text-sm text-foreground">
+        {/* TODO: 공급사명 (auth store 연동) */}
+        <span className="truncate">-</span>
+      </div>
+      <Button
+        variant="secondary"
+        size="sm"
+        className="w-[61px] px-2 rounded-[4px] text-xs flex-shrink-0"
+        // TODO: 로그아웃 mutation 연동
+      >
+        로그아웃
+      </Button>
+    </div>
+  )
+}
diff --git a/front/src/features/auth/hooks/useLoginMutation.ts b/front/src/features/auth/hooks/useLoginMutation.ts
index d783d7f..3295d41 100644
--- a/front/src/features/auth/hooks/useLoginMutation.ts
+++ b/front/src/features/auth/hooks/useLoginMutation.ts
@@ -5,16 +5,9 @@ export interface LoginParams {
   password: string
 }
 
-/**
- * 로그인 mutation (임시 stub).
- *
- * TODO: mutationFn 을 실제 백엔드 호출로 교체.
- *       현재는 API 미연동 상태라 검증만 통과하면 성공 처리한다.
- */
+// 임시 stub (검증만 통과하면 성공). TODO: 로그인 API 연동
 export function useLoginMutation() {
   return useMutation<void, Error, LoginParams>({
-    mutationFn: async () => {
-      // TODO: 실제 로그인 API 연동
-    },
+    mutationFn: async () => {},
   })
 }
diff --git a/front/src/features/auth/index.ts b/front/src/features/auth/index.ts
index 3510753..2b91506 100644
--- a/front/src/features/auth/index.ts
+++ b/front/src/features/auth/index.ts
@@ -1 +1,2 @@
 export { LoginForm } from '@/features/auth/components/LoginForm'
+export { SidebarFooter } from '@/features/auth/components/SidebarFooter'