diff --git a/server/src/main/java/com/talkka/server/bookmark/controller/BookmarkController.java b/server/src/main/java/com/talkka/server/bookmark/controller/BookmarkController.java
index eda4cfcb..5f106a5c 100644
--- a/server/src/main/java/com/talkka/server/bookmark/controller/BookmarkController.java
+++ b/server/src/main/java/com/talkka/server/bookmark/controller/BookmarkController.java
@@ -19,6 +19,7 @@
 import com.talkka.server.bookmark.dto.BookmarkRespDto;
 import com.talkka.server.bookmark.exception.BookmarkNotFoundException;
 import com.talkka.server.bookmark.exception.BookmarkUserNotFoundException;
+import com.talkka.server.bookmark.exception.DuplicatedBookmarkNameException;
 import com.talkka.server.bookmark.exception.enums.InvalidTransportTypeEnumException;
 import com.talkka.server.bookmark.service.BookmarkService;
 import com.talkka.server.oauth.domain.OAuth2UserInfo;
@@ -65,7 +66,8 @@ public ResponseEntity<?> createBookmark(@AuthenticationPrincipal OAuth2UserInfo
 		try {
 			BookmarkRespDto bookmark = bookmarkService.createBookmark(bookmarkReqDto, oAuth2UserInfo.getUserId());
 			return ResponseEntity.ok(bookmark);
-		} catch (BookmarkUserNotFoundException | InvalidTransportTypeEnumException exception) {
+		} catch (BookmarkUserNotFoundException | InvalidTransportTypeEnumException |
+				 DuplicatedBookmarkNameException exception) {
 			response = ResponseEntity.badRequest().body(exception.getMessage());
 		}
 		return response;
@@ -80,7 +82,7 @@ public ResponseEntity<?> updateBookmark(@AuthenticationPrincipal OAuth2UserInfo
 			BookmarkRespDto bookmark = bookmarkService.updateBookmark(bookmarkReqDto, oAuth2UserInfo.getUserId(),
 				bookmarkId);
 			response = ResponseEntity.ok(bookmark);
-		} catch (BookmarkNotFoundException | BookmarkUserNotFoundException
+		} catch (BookmarkNotFoundException | BookmarkUserNotFoundException | DuplicatedBookmarkNameException
 				 | InvalidTransportTypeEnumException exception) {
 			response = ResponseEntity.badRequest().body(exception.getMessage());
 		} catch (ContentAccessException exception) {
diff --git a/server/src/main/java/com/talkka/server/bookmark/dao/BookmarkRepository.java b/server/src/main/java/com/talkka/server/bookmark/dao/BookmarkRepository.java
index 1f3274fa..03154162 100644
--- a/server/src/main/java/com/talkka/server/bookmark/dao/BookmarkRepository.java
+++ b/server/src/main/java/com/talkka/server/bookmark/dao/BookmarkRepository.java
@@ -7,5 +7,7 @@
 public interface BookmarkRepository extends JpaRepository<BookmarkEntity, Long> {
 	List<BookmarkEntity> findByUserId(Long userId);
 
+	boolean existsByNameAndUserId(String name, Long userId);
+
 	boolean existsByIdAndUserId(Long bookmarkId, Long userId);
 }
diff --git a/server/src/main/java/com/talkka/server/bookmark/dto/BookmarkRespDto.java b/server/src/main/java/com/talkka/server/bookmark/dto/BookmarkRespDto.java
index b945ba0b..9944a447 100644
--- a/server/src/main/java/com/talkka/server/bookmark/dto/BookmarkRespDto.java
+++ b/server/src/main/java/com/talkka/server/bookmark/dto/BookmarkRespDto.java
@@ -3,20 +3,18 @@
 import java.util.List;
 
 import com.talkka.server.bookmark.dao.BookmarkEntity;
-import com.talkka.server.user.dto.UserDto;
-import com.talkka.server.user.dto.UserRespDto;
 
 public record BookmarkRespDto(
 	Long id,
 	String name,
-	UserRespDto user,
+	Long userId,
 	List<BookmarkDetailRespDto> details
 ) {
 	public static BookmarkRespDto of(BookmarkEntity bookmark) {
 		return new BookmarkRespDto(
 			bookmark.getId(),
 			bookmark.getName(),
-			UserRespDto.of(UserDto.of(bookmark.getUser())),
+			bookmark.getUser().getId(),
 			bookmark.getDetails().stream()
 				.map(BookmarkDetailRespDto::of)
 				.toList()
diff --git a/server/src/main/java/com/talkka/server/bookmark/exception/DuplicatedBookmarkNameException.java b/server/src/main/java/com/talkka/server/bookmark/exception/DuplicatedBookmarkNameException.java
new file mode 100644
index 00000000..1930fe34
--- /dev/null
+++ b/server/src/main/java/com/talkka/server/bookmark/exception/DuplicatedBookmarkNameException.java
@@ -0,0 +1,9 @@
+package com.talkka.server.bookmark.exception;
+
+public class DuplicatedBookmarkNameException extends RuntimeException {
+	private static final String MESSAGE = "이미 존재하는 북마크 이름입니다.";
+
+	public DuplicatedBookmarkNameException() {
+		super(MESSAGE);
+	}
+}
diff --git a/server/src/main/java/com/talkka/server/bookmark/service/BookmarkService.java b/server/src/main/java/com/talkka/server/bookmark/service/BookmarkService.java
index 4c964621..4f2c3875 100644
--- a/server/src/main/java/com/talkka/server/bookmark/service/BookmarkService.java
+++ b/server/src/main/java/com/talkka/server/bookmark/service/BookmarkService.java
@@ -11,6 +11,7 @@
 import com.talkka.server.bookmark.dto.BookmarkRespDto;
 import com.talkka.server.bookmark.exception.BookmarkNotFoundException;
 import com.talkka.server.bookmark.exception.BookmarkUserNotFoundException;
+import com.talkka.server.bookmark.exception.DuplicatedBookmarkNameException;
 import com.talkka.server.bookmark.exception.enums.InvalidTransportTypeEnumException;
 import com.talkka.server.common.validator.ContentAccessValidator;
 import com.talkka.server.review.exception.ContentAccessException;
@@ -48,7 +49,11 @@ public List<BookmarkRespDto> getBookmarkByUserId(Long userId) {
 
 	@Transactional
 	public BookmarkRespDto createBookmark(BookmarkReqDto dto, Long userId) throws BookmarkUserNotFoundException,
+		DuplicatedBookmarkNameException,
 		InvalidTransportTypeEnumException {
+		if (bookmarkRepository.existsByNameAndUserId(dto.name(), userId)) {
+			throw new DuplicatedBookmarkNameException();
+		}
 		UserEntity user = userRepository.findById(userId).orElseThrow(BookmarkUserNotFoundException::new);
 		BookmarkEntity bookmark = dto.toEntity(user);
 		dto.details().stream()
@@ -62,8 +67,11 @@ public BookmarkRespDto updateBookmark(BookmarkReqDto dto, Long userId, Long book
 		BookmarkUserNotFoundException,
 		BookmarkNotFoundException,
 		InvalidTransportTypeEnumException,
+		DuplicatedBookmarkNameException,
 		ContentAccessException {
-
+		if (bookmarkRepository.existsByNameAndUserId(dto.name(), userId)) {
+			throw new DuplicatedBookmarkNameException();
+		}
 		UserEntity user = userRepository.findById(userId).orElseThrow(BookmarkUserNotFoundException::new);
 		BookmarkEntity bookmark = bookmarkRepository.findById(bookmarkId)
 			.orElseThrow(BookmarkNotFoundException::new);
@@ -82,7 +90,6 @@ public BookmarkRespDto updateBookmark(BookmarkReqDto dto, Long userId, Long book
 	public Long deleteBookmark(Long userId, Long bookmarkId) throws
 		BookmarkUserNotFoundException,
 		BookmarkNotFoundException {
-
 		UserEntity user = userRepository.findById(userId).orElseThrow(BookmarkUserNotFoundException::new);
 		BookmarkEntity bookmark = bookmarkRepository.findById(bookmarkId)
 			.orElseThrow(BookmarkUserNotFoundException::new);