diff --git a/src/main/java/org/gachon/checkmate/domain/chat/dto/response/ChatListResponseDto.java b/src/main/java/org/gachon/checkmate/domain/chat/dto/response/ChatListResponseDto.java
index 2835388..5999a0c 100644
--- a/src/main/java/org/gachon/checkmate/domain/chat/dto/response/ChatListResponseDto.java
+++ b/src/main/java/org/gachon/checkmate/domain/chat/dto/response/ChatListResponseDto.java
@@ -15,6 +15,8 @@ public class ChatListResponseDto{
 
     private String chatRoomId;
 
+    private Long requestUserId;
+
     private ChatUserInfoDto chatUserInfoDto;
 
     @Builder.Default
@@ -26,9 +28,10 @@ public class ChatListResponseDto{
     @Builder.Default
     private Integer pageNumber = null;
 
-    public static ChatListResponseDto of(String chatRoomId, ChatUserInfoDto chatUserInfoDto) {
+    public static ChatListResponseDto of(String chatRoomId, Long requestUserId, ChatUserInfoDto chatUserInfoDto) {
         return ChatListResponseDto.builder()
                 .chatRoomId(chatRoomId)
+                .requestUserId(requestUserId)
                 .chatUserInfoDto(chatUserInfoDto)
                 .build();
     }
diff --git a/src/main/java/org/gachon/checkmate/domain/chat/service/ChatService.java b/src/main/java/org/gachon/checkmate/domain/chat/service/ChatService.java
index 312cd98..32d3589 100644
--- a/src/main/java/org/gachon/checkmate/domain/chat/service/ChatService.java
+++ b/src/main/java/org/gachon/checkmate/domain/chat/service/ChatService.java
@@ -98,7 +98,7 @@ public ChatListResponseDto getChatList(Map<String, Object> simpSessionAttributes
         String chatRoomId = getChatRoomId(request.otherUserId(), userId);
 
         ChatUserInfoDto chatUserInfoDto = getUserChatUserInfoByUserId(request);
-        ChatListResponseDto response = ChatListResponseDto.of(chatRoomId, chatUserInfoDto);
+        ChatListResponseDto response = ChatListResponseDto.of(chatRoomId, userId, chatUserInfoDto);
 
         PageRequest pageRequest = PageRequest.of(request.pageNumber(), request.pageSize());
         Slice<Chat> chatMessages = chatRepository.findBeforeChatList(chatRoomId, pageRequest);