diff --git a/backend-node/src/controllers/multilangController.ts b/backend-node/src/controllers/multilangController.ts
index 39aa2eac..ab1c395c 100644
--- a/backend-node/src/controllers/multilangController.ts
+++ b/backend-node/src/controllers/multilangController.ts
@@ -753,6 +753,66 @@ export const getLangText = async (
   }
 };
 
+/**
+ * DELETE /api/multilang/languages/:langCode
+ * 언어 삭제 API
+ */
+export const deleteLanguage = async (
+  req: AuthenticatedRequest,
+  res: Response
+): Promise<void> => {
+  try {
+    const { langCode } = req.params;
+    logger.info("언어 삭제 요청", { langCode, user: req.user });
+
+    if (!langCode) {
+      res.status(400).json({
+        success: false,
+        message: "언어 코드가 필요합니다.",
+        error: {
+          code: "MISSING_LANG_CODE",
+          details: "langCode parameter is required",
+        },
+      });
+      return;
+    }
+
+    // PostgreSQL 클라이언트 생성
+    const client = new Client({
+      connectionString:
+        process.env.DATABASE_URL ||
+        "postgresql://postgres:postgres@localhost:5432/ilshin",
+    });
+
+    await client.connect();
+
+    try {
+      const multiLangService = new MultiLangService(client);
+      await multiLangService.deleteLanguage(langCode);
+
+      const response: ApiResponse<string> = {
+        success: true,
+        message: "언어가 성공적으로 삭제되었습니다.",
+        data: "삭제 완료",
+      };
+
+      res.status(200).json(response);
+    } finally {
+      await client.end();
+    }
+  } catch (error) {
+    logger.error("언어 삭제 실패:", error);
+    res.status(500).json({
+      success: false,
+      message: "언어 삭제 중 오류가 발생했습니다.",
+      error: {
+        code: "LANGUAGE_DELETE_ERROR",
+        details: error instanceof Error ? error.message : "Unknown error",
+      },
+    });
+  }
+};
+
 /**
  * POST /api/multilang/batch
  * 다국어 텍스트 배치 조회 API
diff --git a/backend-node/src/routes/multilangRoutes.ts b/backend-node/src/routes/multilangRoutes.ts
index 07280d40..47137346 100644
--- a/backend-node/src/routes/multilangRoutes.ts
+++ b/backend-node/src/routes/multilangRoutes.ts
@@ -5,6 +5,7 @@ import {
   getLanguages,
   createLanguage,
   updateLanguage,
+  deleteLanguage,
   toggleLanguage,
 
   // 다국어 키 관리 API
@@ -34,6 +35,7 @@ router.use(authenticateToken);
 router.get("/languages", getLanguages); // 언어 목록 조회
 router.post("/languages", createLanguage); // 언어 생성
 router.put("/languages/:langCode", updateLanguage); // 언어 수정
+router.delete("/languages/:langCode", deleteLanguage); // 언어 삭제
 router.put("/languages/:langCode/toggle", toggleLanguage); // 언어 상태 토글
 
 // 다국어 키 관리 API
diff --git a/backend-node/src/services/multilangService.ts b/backend-node/src/services/multilangService.ts
index 480b9c60..f8147bab 100644
--- a/backend-node/src/services/multilangService.ts
+++ b/backend-node/src/services/multilangService.ts
@@ -840,6 +840,67 @@ export class MultiLangService {
     }
   }
 
+  /**
+   * 언어 삭제
+   */
+  async deleteLanguage(langCode: string): Promise<void> {
+    try {
+      logger.info("언어 삭제 시작", { langCode });
+
+      // 기존 언어 확인
+      const checkQuery = `
+        SELECT lang_code FROM language_master WHERE lang_code = $1
+      `;
+      const checkResult = await this.client.query(checkQuery, [langCode]);
+
+      if (checkResult.rows.length === 0) {
+        throw new Error(`언어를 찾을 수 없습니다: ${langCode}`);
+      }
+
+      // 트랜잭션 시작
+      await this.client.query("BEGIN");
+
+      try {
+        // 관련된 다국어 텍스트 삭제
+        const deleteTextsQuery = `
+          DELETE FROM multi_lang_text 
+          WHERE key_id IN (
+            SELECT key_id FROM multi_lang_key_master 
+            WHERE company_code = '*' OR company_code = 'SYSTEM'
+          )
+        `;
+        await this.client.query(deleteTextsQuery);
+
+        // 관련된 다국어 키 삭제 (시스템 레벨)
+        const deleteKeysQuery = `
+          DELETE FROM multi_lang_key_master 
+          WHERE company_code = '*' OR company_code = 'SYSTEM'
+        `;
+        await this.client.query(deleteKeysQuery);
+
+        // 언어 마스터 삭제
+        const deleteLanguageQuery = `
+          DELETE FROM language_master WHERE lang_code = $1
+        `;
+        await this.client.query(deleteLanguageQuery, [langCode]);
+
+        // 트랜잭션 커밋
+        await this.client.query("COMMIT");
+
+        logger.info("언어 삭제 완료", { langCode });
+      } catch (error) {
+        // 트랜잭션 롤백
+        await this.client.query("ROLLBACK");
+        throw error;
+      }
+    } catch (error) {
+      logger.error("언어 삭제 중 오류 발생:", error);
+      throw new Error(
+        `언어 삭제 실패: ${error instanceof Error ? error.message : "Unknown error"}`
+      );
+    }
+  }
+
   /**
    * 기본 번역 생성 (키를 그대로 반환)
    */
diff --git a/frontend/components/admin/MultiLang.tsx b/frontend/components/admin/MultiLang.tsx
index db587e6a..d77e0110 100644
--- a/frontend/components/admin/MultiLang.tsx
+++ b/frontend/components/admin/MultiLang.tsx
@@ -293,7 +293,7 @@ export default function MultiLangPage() {
 
     try {
       const deletePromises = Array.from(selectedLanguages).map((langCode) =>
-        apiClient.delete(`/admin/multilang/languages/${langCode}`),
+        apiClient.delete(`/multilang/languages/${langCode}`),
       );
 
       const responses = await Promise.all(deletePromises);