diff --git a/adminfront/src/features/tenants/utils/tenantCsvImport.ts b/adminfront/src/features/tenants/utils/tenantCsvImport.ts
index 8d4746dd..133e1a1c 100644
--- a/adminfront/src/features/tenants/utils/tenantCsvImport.ts
+++ b/adminfront/src/features/tenants/utils/tenantCsvImport.ts
@@ -579,10 +579,37 @@ function suggestUniqueTenantSlug(value: string, tenants: TenantSummary[]) {
 }
 
 function slugify(value: string) {
-  return value
-    .trim()
+  // 한글 조직명을 영어로 유추하거나 정규화하는 맵 (자주 쓰이는 단어)
+  const commonMappings: Record<string, string> = {
+    총괄기획실: "gpd",
+    기술개발센터: "tdc",
+    경영기획: "planning",
+    영업: "sales",
+    인프라: "infra",
+    건설: "construction",
+    운영: "ops",
+    환경: "env",
+    사업: "biz",
+    본부: "hq",
+    부: "dept",
+    팀: "team",
+    지원: "support",
+  };
+
+  let result = value.trim();
+
+  // 1. 전체 매칭 확인
+  if (commonMappings[result]) {
+    return commonMappings[result];
+  }
+
+  // 2. 부분 단어 치환 및 정규화
+  return result
     .toLowerCase()
-    .replace(/[^a-z0-9가-힣ㄱ-ㅎㅏ-ㅣ]+/g, "-")
+    .replace(/[^a-z0-9가-힣ㄱ-ㅎㅏ-ㅣ]+/g, "-") // 특수문자 제거
+    .split("-")
+    .map((part) => commonMappings[part] || part) // 부분 단어 변환
+    .join("-")
     .replace(/^-+|-+$/g, "");
 }
 
diff --git a/adminfront/src/features/users/components/UserBulkUploadModal.tsx b/adminfront/src/features/users/components/UserBulkUploadModal.tsx
index 10e477e7..dd95fe62 100644
--- a/adminfront/src/features/users/components/UserBulkUploadModal.tsx
+++ b/adminfront/src/features/users/components/UserBulkUploadModal.tsx
@@ -23,6 +23,7 @@ import { ScrollArea } from "../../../components/ui/scroll-area";
 import {
   type BulkUserItem,
   type BulkUserResult,
+  type TenantSummary,
   bulkCreateUsers,
   createTenant,
   fetchAllTenants,
@@ -124,6 +125,19 @@ function hanmacEmailStatusClass(preview?: HanmacImportEmailPreview) {
   return "text-muted-foreground";
 }
 
+function isUnderGeneralPlanningOffice(
+  tenantSlug: string,
+  tenants: TenantSummary[],
+): boolean {
+  let current = tenants.find((t) => t.slug === tenantSlug);
+  while (current) {
+    if (current.name === "총괄기획실") return true;
+    if (!current.parentId) break;
+    current = tenants.find((t) => t.id === current?.parentId);
+  }
+  return false;
+}
+
 export const downloadUserTemplate = () => {
   const headers =
     "email,name,phone,role,tenant_slug,department,grade,position,jobTitle,employee_id,tenant_slug1,department1,grade1,position1,jobTitle1,employee_id1";
@@ -278,10 +292,73 @@ export function UserBulkUploadModal({
     }
 
     return previewData.map((user, index) => {
-      const key = tenantImportKeyFromUser(user);
+      let finalUser = { ...user };
+
+      // [Issue 868] Swap logic for '총괄기획실' (General Planning Office)
+      // 만약 두 번째 테넌트가 '총괄기획실' 산하이고, 첫 번째 테넌트가 아니면 서로 맞바꿉니다.
+      if (
+        finalUser.additionalAppointments &&
+        finalUser.additionalAppointments.length > 0
+      ) {
+        const firstAdditional = finalUser.additionalAppointments[0];
+        const secondarySlug = firstAdditional.tenantSlug;
+
+        if (
+          secondarySlug &&
+          isUnderGeneralPlanningOffice(secondarySlug, tenants)
+        ) {
+          if (!isUnderGeneralPlanningOffice(finalUser.tenantSlug || "", tenants)) {
+            // Perform swap
+            const primary = {
+              tenantSlug: finalUser.tenantSlug,
+              tenantImport: finalUser.tenantImport,
+              department: finalUser.department,
+              grade: finalUser.grade,
+              position: finalUser.position,
+              jobTitle: finalUser.jobTitle,
+              employee_id: finalUser.metadata?.employee_id,
+            };
+
+            finalUser.tenantSlug = firstAdditional.tenantSlug;
+            if (finalUser.tenantImport) {
+              finalUser.tenantImport = {
+                ...finalUser.tenantImport,
+                slug: firstAdditional.tenantSlug || "",
+                name: firstAdditional.tenantName || firstAdditional.tenantSlug || "",
+              };
+            }
+            finalUser.department = firstAdditional.department;
+            finalUser.grade = firstAdditional.grade;
+            finalUser.position = firstAdditional.position;
+            finalUser.jobTitle = firstAdditional.jobTitle;
+            if (finalUser.metadata) {
+              finalUser.metadata.employee_id =
+                firstAdditional.metadata?.employee_id;
+            }
+
+            finalUser.additionalAppointments = [
+              {
+                ...firstAdditional,
+                tenantSlug: primary.tenantSlug,
+                department: primary.department,
+                grade: primary.grade,
+                position: primary.position,
+                jobTitle: primary.jobTitle,
+                metadata: {
+                  ...firstAdditional.metadata,
+                  employee_id: primary.employee_id,
+                },
+              },
+              ...finalUser.additionalAppointments.slice(1),
+            ];
+          }
+        }
+      }
+
+      const key = tenantImportKeyFromUser(finalUser);
       const resolvedTenant = key ? tenantByKey.get(key) : undefined;
       const emailPreview = hanmacEmailPreviews[index];
-      const { tenantImport: _tenantImport, ...payload } = user;
+      const { tenantImport: _tenantImport, ...payload } = finalUser;
       return {
         ...payload,
         email: emailPreview?.finalEmail ?? payload.email,