diff --git a/apps/backend/src/routes/auth.ts b/apps/backend/src/routes/auth.ts
index 1d75439..946eca9 100644
--- a/apps/backend/src/routes/auth.ts
+++ b/apps/backend/src/routes/auth.ts
@@ -263,6 +263,57 @@ export default new Elysia({ prefix: "/auth" })
         }),
     })
 
+    .delete("/user/:id", async ({ params, jwt, cookie: { mizuki }, status }) => {
+        const rawToken = mizuki.value;
+        if (typeof rawToken !== "string" || rawToken.length === 0) {
+            return status(401, "Unauthorized");
+        }
+
+        const payload = await jwt.verify(rawToken);
+        if (!payload || typeof payload !== "object" || !("id" in payload) || typeof payload.id !== "string") {
+            return status(401, "Unauthorized");
+        }
+
+        const requester = await User.findOne({ userId: payload.id });
+        if (!requester || requester.role !== "admin") {
+            return status(403, "Forbidden");
+        }
+
+        const target = await User.findOne({ userId: params.id });
+        if (!target) {
+            return status(404, "User not found");
+        }
+
+        if (hardcodedOwners.has(target.discordId)) {
+            return status(400, "Hardcoded owners cannot be deleted");
+        }
+
+        await User.deleteOne({ userId: params.id });
+
+        await createAuditLog({
+            actor: {
+                userId: requester.userId,
+                discordId: requester.discordId,
+                username: requester.username,
+                role: requester.role,
+            },
+            action: "auth.user.delete",
+            targetType: "user",
+            targetId: params.id,
+            summary: `${requester.username} deleted user ${target.username}`,
+            detail: {
+                userId: target.userId,
+                discordId: target.discordId,
+            },
+        });
+
+        return { ok: true };
+    }, {
+        params: t.Object({
+            id: t.String(),
+        })
+    })
+
     .get("/users", async ({ jwt, cookie: { mizuki }, status }) => {
         const rawToken = mizuki.value;
         if (typeof rawToken !== "string" || rawToken.length === 0) {
diff --git a/apps/backend/src/routes/post.ts b/apps/backend/src/routes/post.ts
index 20168b0..940b50e 100644
--- a/apps/backend/src/routes/post.ts
+++ b/apps/backend/src/routes/post.ts
@@ -217,7 +217,17 @@ export default new Elysia({ prefix: "/post" })
         })
     })
 
-    .get("/list", async ({ query }) => {
+    .get("/list", async ({ query, jwt, cookie: { mizuki }, status }) => {
+        const rawToken = mizuki.value;
+        if (typeof rawToken !== "string" || rawToken.length === 0) {
+            return status(401, "Unauthorized");
+        }
+
+        const payload = await jwt.verify(rawToken);
+        if (!payload || typeof payload !== "object" || !("id" in payload) || typeof payload.id !== "string") {
+            return status(401, "Unauthorized");
+        }
+
         const page = query.page;
         const pageSize = query.size || 10;
         const filterTags = normalizeQueryTags(query.tags);
@@ -260,22 +270,7 @@ export default new Elysia({ prefix: "/post" })
         }),
     })
 
-    .get("/detail/:id", async ({ params, status, jwt, cookie: { mizuki } }) => {
-        const rawToken = mizuki.value;
-        if (typeof rawToken !== "string" || rawToken.length === 0) {
-            return status(401, "Unauthorized");
-        }
-
-        const payload = await jwt.verify(rawToken);
-        if (!payload || typeof payload !== "object" || !("id" in payload) || typeof payload.id !== "string") {
-            return status(401, "Unauthorized");
-        }
-
-        const user = await User.findOne({ userId: payload.id });
-        if (!user) {
-            return status(401, "Unauthorized");
-        }
-
+    .get("/detail/:id", async ({ params, status }) => {
         const post = await MediaUpload.findById(params.id);
         if (!post) {
             return status(404, "포스트를 찾을 수 없습니다.");
diff --git a/apps/frontend/src/app/dashboard/page.tsx b/apps/frontend/src/app/dashboard/page.tsx
index 87b81a8..41b0839 100644
--- a/apps/frontend/src/app/dashboard/page.tsx
+++ b/apps/frontend/src/app/dashboard/page.tsx
@@ -416,16 +416,28 @@ export default function DashboardPage() {
                                                 </select>
                                             </td>
                                             <td className="px-3 py-2">
-                                                <button
-                                                    type="button"
-                                                    onClick={() => {
-                                                        void updateRole(user);
-                                                    }}
-                                                    disabled={savingUserId === user.id || (pendingRole[user.id] ?? user.role) === user.role}
-                                                    className="border border-border px-3 py-1 disabled:opacity-50"
-                                                >
-                                                    {savingUserId === user.id ? "저장 중..." : "저장"}
-                                                </button>
+                                                <div className="flex items-center gap-2">
+                                                    <button
+                                                        type="button"
+                                                        onClick={() => {
+                                                            void updateRole(user);
+                                                        }}
+                                                        disabled={savingUserId === user.id || (pendingRole[user.id] ?? user.role) === user.role}
+                                                        className="border border-border px-3 py-1 disabled:opacity-50"
+                                                    >
+                                                        {savingUserId === user.id ? "저장 중..." : "저장"}
+                                                    </button>
+                                                    <button
+                                                        type="button"
+                                                        onClick={() => {
+                                                            void deleteUser(user);
+                                                        }}
+                                                        disabled={savingUserId === user.id}
+                                                        className="border border-red-300 bg-red-50 px-3 py-1 text-xs text-red-700 disabled:opacity-50"
+                                                    >
+                                                        삭제
+                                                    </button>
+                                                </div>
                                             </td>
                                         </tr>
                                     ))}
diff --git a/apps/frontend/src/app/globals.css b/apps/frontend/src/app/globals.css
index a2dfe34..f3efdf0 100644
--- a/apps/frontend/src/app/globals.css
+++ b/apps/frontend/src/app/globals.css
@@ -102,6 +102,10 @@
   transition-timing-function: var(--ease-out-expo);
 }
 
+html, body {
+  overscroll-behavior-y: none;
+}
+
 @media (hover: hover) {
   .image-scale:hover {
     --tw-scale-x: 105%;