diff --git a/app/Services/RegisterService.php b/app/Services/RegisterService.php
index 969cd87..9023ed6 100644
--- a/app/Services/RegisterService.php
+++ b/app/Services/RegisterService.php
@@ -106,7 +106,14 @@ public static function register(array $params): array
             // 10. Assign system_manager role to user
             $user->assignRole($role);
 
-            // 11. Return user and tenant data
+            // 11. Get created menus
+            $menus = Menu::whereIn('id', $menuIds)
+                ->orderBy('parent_id')
+                ->orderBy('sort_order')
+                ->get(['id', 'parent_id', 'name', 'url', 'icon', 'sort_order', 'is_external', 'external_url'])
+                ->toArray();
+
+            // 12. Return user, tenant, and menus data
             return [
                 'user' => [
                     'id' => $user->id,
@@ -123,6 +130,7 @@ public static function register(array $params): array
                     'tenant_st_code' => $tenant->tenant_st_code,
                     'options' => $tenant->options,
                 ],
+                'menus' => $menus,
             ];
         });
     }
diff --git a/app/Swagger/v1/RegisterApi.php b/app/Swagger/v1/RegisterApi.php
index f809a90..4d06dcc 100644
--- a/app/Swagger/v1/RegisterApi.php
+++ b/app/Swagger/v1/RegisterApi.php
@@ -72,6 +72,22 @@
  *                         @OA\Property(property="industry", type="string", example="IT/소프트웨어"),
  *                         nullable=true
  *                     )
+ *                 ),
+ *                 @OA\Property(
+ *                     property="menus",
+ *                     type="array",
+ *                     description="생성된 테넌트의 기본 메뉴 목록 (9개: 대시보드, 기초정보관리, 제품관리, 거래처관리, BOM관리, 시스템관리, 사용자관리, 권한관리, 부서관리)",
+ *                     @OA\Items(
+ *                         type="object",
+ *                         @OA\Property(property="id", type="integer", example=1, description="메뉴 ID"),
+ *                         @OA\Property(property="parent_id", type="integer", example=null, nullable=true, description="상위 메뉴 ID (최상위 메뉴는 null)"),
+ *                         @OA\Property(property="name", type="string", example="대시보드", description="메뉴명"),
+ *                         @OA\Property(property="url", type="string", example="/dashboard", description="메뉴 URL"),
+ *                         @OA\Property(property="icon", type="string", example="dashboard", description="메뉴 아이콘"),
+ *                         @OA\Property(property="sort_order", type="integer", example=1, description="정렬 순서"),
+ *                         @OA\Property(property="is_external", type="integer", example=0, description="외부 링크 여부 (0: 내부, 1: 외부)"),
+ *                         @OA\Property(property="external_url", type="string", example=null, nullable=true, description="외부 링크 URL")
+ *                     )
  *                 )
  *             )
  *         )