diff --git a/@sammo/game_logic/src/Entity/External/Survey.ts b/@sammo/game_logic/src/Entity/External/Survey.ts
new file mode 100644
index 0000000..f09f272
--- /dev/null
+++ b/@sammo/game_logic/src/Entity/External/Survey.ts
@@ -0,0 +1,15 @@
+export interface ISurvey {
+    _id: string;
+
+    title: string;
+    description: string;
+
+    //투표 시작 시간
+    startTime: Date;
+    //투표 종료 시간
+    endTime?: Date;
+
+    multipleOptions: number;
+
+    options: string[];
+}
\ No newline at end of file
diff --git a/@sammo/game_logic/src/Entity/External/SurveyComment.ts b/@sammo/game_logic/src/Entity/External/SurveyComment.ts
new file mode 100644
index 0000000..ceb2e12
--- /dev/null
+++ b/@sammo/game_logic/src/Entity/External/SurveyComment.ts
@@ -0,0 +1,15 @@
+import type { GeneralID, GeneralName, NationID, NationName } from "@/defs.js";
+
+export interface ISurveyComment {
+    _id: string;
+    surveyID: string;
+
+    generalID: GeneralID;
+    nationID: NationID;
+
+    generalName: GeneralName;
+    nationName: NationName;
+
+    comment: string;
+    createdAt: Date;
+}
\ No newline at end of file
diff --git a/@sammo/game_logic/src/Entity/External/SurveyResponse.ts b/@sammo/game_logic/src/Entity/External/SurveyResponse.ts
new file mode 100644
index 0000000..043baa0
--- /dev/null
+++ b/@sammo/game_logic/src/Entity/External/SurveyResponse.ts
@@ -0,0 +1,14 @@
+import type { GeneralID, NationID } from "@/defs.js";
+
+export interface ISurveyResponse {
+    _id: string;
+    surveyID: string;
+
+    //투표자
+    generalID: GeneralID;
+
+    nationID: NationID;
+
+    //투표한 선택지
+    selectedOption: number[];
+}
\ No newline at end of file