diff --git a/apps/server/src/domains/room/application/ports/roomUseCasePorts.ts b/apps/server/src/domains/room/application/ports/roomUseCasePorts.ts
index c381914..defacee 100644
--- a/apps/server/src/domains/room/application/ports/roomUseCasePorts.ts
+++ b/apps/server/src/domains/room/application/ports/roomUseCasePorts.ts
@@ -12,8 +12,8 @@
 
 /** ルームユースケースが利用する出力ポート */
 export interface RoomOutputPort {
-  publishRoomUpdate(roomId: roomTypes.Room["roomId"], room: roomTypes.Room): void;
-  publishJoinRejected(payload: roomTypes.JoinRoomRejectedPayload): void;
+  publishRoomUpdateToRoom(roomId: roomTypes.Room["roomId"], room: roomTypes.Room): void;
+  publishJoinRejectedToSocket(payload: roomTypes.JoinRoomRejectedPayload): void;
 }
 
 /** ルーム参加ユースケースが利用する参加操作ポート */
diff --git a/apps/server/src/domains/room/application/useCases/joinRoomUseCase.ts b/apps/server/src/domains/room/application/useCases/joinRoomUseCase.ts
index 406bc68..8ab6699 100644
--- a/apps/server/src/domains/room/application/useCases/joinRoomUseCase.ts
+++ b/apps/server/src/domains/room/application/useCases/joinRoomUseCase.ts
@@ -35,7 +35,7 @@
 
   const joinResult = roomManager.addPlayerToRoom(roomId, socketId, playerName);
   if (joinResult.status !== "joined") {
-    output.publishJoinRejected({
+    output.publishJoinRejectedToSocket({
       roomId,
       reason: joinResult.status,
     });
@@ -50,7 +50,7 @@
     return joinResult;
   }
 
-  output.publishRoomUpdate(roomId, joinResult.room);
+  output.publishRoomUpdateToRoom(roomId, joinResult.room);
 
   return joinResult;
 };
diff --git a/apps/server/src/domains/room/application/useCases/roomDisconnectUseCase.ts b/apps/server/src/domains/room/application/useCases/roomDisconnectUseCase.ts
index 2fe1be0..18b7aaf 100644
--- a/apps/server/src/domains/room/application/useCases/roomDisconnectUseCase.ts
+++ b/apps/server/src/domains/room/application/useCases/roomDisconnectUseCase.ts
@@ -9,7 +9,7 @@
 type RoomDisconnectUseCaseParams = {
   roomManager: DisconnectRoomPort;
   socketId: string;
-  output: Pick<RoomOutputPort, "publishRoomUpdate">;
+  output: Pick<RoomOutputPort, "publishRoomUpdateToRoom">;
 };
 
 /** 切断ソケットを各ルームから退出させ，更新ルームを配信する */
@@ -27,7 +27,7 @@
   });
 
   updatedRooms.forEach((room) => {
-    output.publishRoomUpdate(room.roomId, room);
+    output.publishRoomUpdateToRoom(room.roomId, room);
     logEvent("RoomUseCase", {
       event: "ROOM_UPDATE",
       result: "emitted",
diff --git a/apps/server/src/network/handlers/room/createRoomEventPublisher.ts b/apps/server/src/network/handlers/room/createRoomEventPublisher.ts
index d838bcc..6797199 100644
--- a/apps/server/src/network/handlers/room/createRoomEventPublisher.ts
+++ b/apps/server/src/network/handlers/room/createRoomEventPublisher.ts
@@ -20,10 +20,10 @@
   common: CommonHandlerContext
 ): RoomEventPublisher => {
   return {
-    publishRoomUpdate: (roomId: RoomId, room: RoomUpdatePayload) => {
+    publishRoomUpdateToRoom: (roomId: RoomId, room: RoomUpdatePayload) => {
       common.emitToRoom(roomId, protocol.SocketEvents.ROOM_UPDATE, room);
     },
-    publishJoinRejected: (payload: roomTypes.JoinRoomRejectedPayload) => {
+    publishJoinRejectedToSocket: (payload: roomTypes.JoinRoomRejectedPayload) => {
       common.emitToSocket(protocol.SocketEvents.ROOM_JOIN_REJECTED, payload);
     },
   };
@@ -32,11 +32,11 @@
 /** 切断時のルーム更新送信関数を生成する */
 export const createRoomDisconnectPublisher = (
   io: Server
-): Pick<RoomOutputPort, "publishRoomUpdate"> => {
+): Pick<RoomOutputPort, "publishRoomUpdateToRoom"> => {
   const emitToRoom = createEmitToRoom(io);
 
   return {
-    publishRoomUpdate: (roomId: RoomId, room: RoomUpdatePayload) => {
+    publishRoomUpdateToRoom: (roomId: RoomId, room: RoomUpdatePayload) => {
       emitToRoom(roomId, protocol.SocketEvents.ROOM_UPDATE, room);
     },
   };
diff --git a/apps/server/src/network/handlers/room/registerRoomHandlers.ts b/apps/server/src/network/handlers/room/registerRoomHandlers.ts
index ebca36a..21f501d 100644
--- a/apps/server/src/network/handlers/room/registerRoomHandlers.ts
+++ b/apps/server/src/network/handlers/room/registerRoomHandlers.ts
@@ -62,7 +62,7 @@
 
       case "joined":
         socket.join(roomId);
-        roomPublisher.publishRoomUpdate(roomId, joinResult.room);
+        roomPublisher.publishRoomUpdateToRoom(roomId, joinResult.room);
         logEvent("RoomUseCase", {
           event: "ROOM_UPDATE",
           result: "emitted",