diff --git a/app/Services/UserService.php b/app/Services/UserService.php
index f24ddce1..90e14618 100644
--- a/app/Services/UserService.php
+++ b/app/Services/UserService.php
@@ -324,6 +324,21 @@ public function forceDeleteUser(int $id): bool
             // 2. 관련 데이터 삭제
             $user->tenants()->detach(); // user_tenants 관계 삭제
 
+            // 2-1. user_roles 삭제
+            UserRole::where('user_id', $user->id)->delete();
+
+            // 2-2. department_user 삭제
+            DepartmentUser::where('user_id', $user->id)->forceDelete();
+
+            // 2-3. sales_partners 삭제 (영업파트너)
+            DB::table('sales_partners')->where('user_id', $user->id)->delete();
+
+            // 2-4. sales_manager_documents 삭제 (영업파트너 서류)
+            DB::table('sales_manager_documents')->where('user_id', $user->id)->delete();
+
+            // 2-5. 하위 사용자의 parent_id 해제
+            User::where('parent_id', $user->id)->update(['parent_id' => null]);
+
             // 3. 사용자 영구 삭제
             return $user->forceDelete();
         });