diff --git a/ClientTester/EchoClientTester/Packet/PacketBody.cs b/ClientTester/EchoClientTester/Packet/PacketBody.cs
index 47237ef..1ed7191 100644
--- a/ClientTester/EchoClientTester/Packet/PacketBody.cs
+++ b/ClientTester/EchoClientTester/Packet/PacketBody.cs
@@ -541,6 +541,44 @@ public class ErrorPacket
     }
 }
 
+// ============================================================
+// 파티
+// ============================================================
+
+public enum PartyUpdateType
+{
+    CREATE,
+    DELETE,
+    JOIN,
+    LEAVE
+}
+
+// REQUEST_PARTY (클라 -> 서버) - CREATE: PartyName 사용 / JOIN·LEAVE·DELETE: PartyId 사용
+[ProtoContract]
+public class RequestPartyPacket
+{
+    [ProtoMember(1)]
+    public PartyUpdateType Type
+    {
+        get;
+        set;
+    }
+
+    [ProtoMember(2)]
+    public int PartyId
+    {
+        get;
+        set;
+    } // JOIN, LEAVE, DELETE 시 사용
+
+    [ProtoMember(3)]
+    public string PartyName
+    {
+        get;
+        set;
+    } // CREATE 시 사용
+}
+
 // ============================================================
 // 채팅
 // ============================================================
@@ -598,40 +636,6 @@ public class ChatPacket
 // 파티
 // ============================================================
 
-public enum PartyUpdateType
-{
-    CREATE,
-    DELETE,
-    JOIN,
-    LEAVE
-}
-
-// REQUEST_PARTY (클라 -> 서버) - CREATE: PartyName 사용 / JOIN·LEAVE·DELETE: PartyId 사용
-[ProtoContract]
-public class RequestPartyPacket
-{
-    [ProtoMember(1)]
-    public PartyUpdateType Type
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(2)]
-    public int PartyId
-    {
-        get;
-        set;
-    } // JOIN, LEAVE, DELETE 시 사용
-
-    [ProtoMember(3)]
-    public string PartyName
-    {
-        get;
-        set;
-    } // CREATE 시 사용
-}
-
 // UPDATE_PARTY (서버 -> 클라) - 파티 생성/삭제: LeaderId 사용 / 파티원 추가/제거: PlayerId 사용
 [ProtoContract]
 public class UpdatePartyPacket
diff --git a/MMOTestServer/MMOserver/Game/GameServer.cs b/MMOTestServer/MMOserver/Game/GameServer.cs
index a5c6b17..c05c3e6 100644
--- a/MMOTestServer/MMOserver/Game/GameServer.cs
+++ b/MMOTestServer/MMOserver/Game/GameServer.cs
@@ -251,7 +251,7 @@ public class GameServer : ServerBase
         Channel.Channel channel = cm.GetChannel(channelId);
         Player? myPlayer = channel.GetPlayer(hashKey);
 
-        // 1. 새 유저에게: 자신을 제외한 기존 채널 유저 목록 전송
+        // 1. 새 유저에게: 자신을 제외한 기존 채널 유저 목록 + 파티 목록 전송
         IntoChannelPacket response = new IntoChannelPacket { ChannelId = channelId };
         foreach (int userId in channel.GetConnectUsers())
         {
@@ -267,6 +267,16 @@ public class GameServer : ServerBase
             }
         }
 
+        foreach (PartyInfo party in channel.GetPartyManager().GetAllParties())
+        {
+            response.Parties.Add(new PartyInfoData
+            {
+                PartyId = party.PartyId,
+                LeaderId = party.LeaderId,
+                MemberPlayerIds = new List<int>(party.PartyMemberIds),
+            });
+        }
+
         byte[] toNewUser = PacketSerializer.Serialize<IntoChannelPacket>((ushort)PacketCode.INTO_CHANNEL, response);
         SendTo(peer, toNewUser);
 
diff --git a/MMOTestServer/MMOserver/Game/Party/PartyManager.cs b/MMOTestServer/MMOserver/Game/Party/PartyManager.cs
index 5b33445..39b97cd 100644
--- a/MMOTestServer/MMOserver/Game/Party/PartyManager.cs
+++ b/MMOTestServer/MMOserver/Game/Party/PartyManager.cs
@@ -119,6 +119,12 @@ public class PartyManager
         return true;
     }
 
+    // 전체 파티 목록 조회
+    public IEnumerable<PartyInfo> GetAllParties()
+    {
+        return parties.Values;
+    }
+
     // 조회
     public PartyInfo? GetParty(int partyId)
     {
diff --git a/MMOTestServer/MMOserver/Packet/PacketBody.cs b/MMOTestServer/MMOserver/Packet/PacketBody.cs
index 90bb458..db2dc23 100644
--- a/MMOTestServer/MMOserver/Packet/PacketBody.cs
+++ b/MMOTestServer/MMOserver/Packet/PacketBody.cs
@@ -210,6 +210,32 @@ public class LoadChannelPacket
     } = new List<ChannelInfo>();
 }
 
+// 채널 내 파티 정보 (INTO_CHANNEL 응답에 포함)
+[ProtoContract]
+public class PartyInfoData
+{
+    [ProtoMember(1)]
+    public int PartyId
+    {
+        get;
+        set;
+    }
+
+    [ProtoMember(2)]
+    public int LeaderId
+    {
+        get;
+        set;
+    }
+
+    [ProtoMember(3)]
+    public List<int> MemberPlayerIds
+    {
+        get;
+        set;
+    } = new List<int>();
+}
+
 // INTO_CHANNEL 클라->서버: 입장할 채널 ID / 서버->클라: 채널 내 나 이외 플레이어 목록
 [ProtoContract]
 public class IntoChannelPacket
@@ -227,6 +253,13 @@ public class IntoChannelPacket
         get;
         set;
     } = new List<PlayerInfo>(); // 서버->클라: 채널 내 플레이어 목록
+
+    [ProtoMember(3)]
+    public List<PartyInfoData> Parties
+    {
+        get;
+        set;
+    } = new List<PartyInfoData>(); // 서버->클라: 채널 내 파티 목록
 }
 
 // UPDATE_CHANNEL_USER 유저 접속/나감