diff --git a/packages/common/components/src/ui/header/index.tsx b/packages/common/components/src/ui/header/index.tsx
index 00f758d60..e2cd9a654 100644
--- a/packages/common/components/src/ui/header/index.tsx
+++ b/packages/common/components/src/ui/header/index.tsx
@@ -5,7 +5,7 @@ import { useQuery } from "@tanstack/react-query";
 import { images } from "@common/assets";
 import { getConfig } from "@common/config";
 import { ENDPOINT } from "../../config";
-import { setCookie, getCookie } from "../../lib";
+import { setCookie, getCookie, removeCookie } from "../../lib";
 import {
   getPopupInfo,
   getUserPopupList,
@@ -70,6 +70,24 @@ export function Header({ viewOnly }: { viewOnly?: boolean }) {
         method: "POST",
       });
       if (!response.ok) throw new Error("Failed to logout");
+
+      // 쿠키 삭제
+      if (appConfig.AUTH_USER_ID) {
+        removeCookie(appConfig.AUTH_USER_ID);
+      }
+      if (appConfig.REFRESH_TOKEN) {
+        removeCookie(appConfig.REFRESH_TOKEN);
+      }
+      if (appConfig.ACCESS_TOKEN) {
+        removeCookie(appConfig.ACCESS_TOKEN);
+      }
+      if (appConfig.CLAIM_NAME) {
+        removeCookie(appConfig.CLAIM_NAME);
+      }
+
+      removeCookie("site-id-key");
+      removeCookie("site-theme-key");
+
       window.location.href = "/auth/login";
     } catch (error) {
       console.error(error);