diff --git a/src/app/api/sprint/sprintApi.js b/src/app/api/sprint/sprintApi.js
index 52b761c..2cfa701 100644
--- a/src/app/api/sprint/sprintApi.js
+++ b/src/app/api/sprint/sprintApi.js
@@ -98,3 +98,22 @@ export const fetchSprintIdTitle = async (projectId) => {
         throw new Error(message);
     }
 };
+
+// 스프린트별 참여자 목록 & 피드백 여부 조회
+export const fetchSprintParticipantsFeedback = async (projectId, sprintId) => {
+    try {
+        const res = await axiosWithAuthorization.get(`/feedbacks/${sprintId}/participants`, {
+            params: {
+                projectId: projectId, 
+                lastProjectParticipantId: null,
+                size: 10
+            }
+        });
+        console.log("스프린트별 참여자 목록 & 피드백 여부 조회:", res.data);
+        return res.data.data;
+    } catch (error) {
+        const message = error?.response?.data?.data?.message ?? "스프린트별 참여자 목록 & 피드백 여부를 조회할 수 없습니다.";
+        throw new Error(message);
+    }
+};
+
diff --git a/src/app/project/project.js b/src/app/project/project.js
index f6cc51f..264a91b 100644
--- a/src/app/project/project.js
+++ b/src/app/project/project.js
@@ -17,7 +17,7 @@ import MeetingModal from "./meeting_modal";
 import ProjectModal from "../team/project_modal";
 
 import { fetchProjectData, fetchProjectUser, fetchProjectMemberList, fetchSprintContributions } from "@/app/api/project/projectApi";
-import { fetchSprintTaskData } from "@/app/api/sprint/sprintApi";
+import { fetchSprintTaskData, fetchSprintParticipantsFeedback } from "@/app/api/sprint/sprintApi";
 
 import Image from "next/image";
 
@@ -60,6 +60,9 @@ export default function Project({projectId}) {
     // 스프린트별 기여도 랭킹 조회
     const [sprintContributions, setSprintContributions] = useState({});
 
+    // 동료평가 상태
+    const [feedbackStatusMap, setFeedbackStatusMap] = useState({});
+
     //meeting
     const [hasMoreMeetings, setHasMoreMeetings] = useState(false);
     const [lastMeetingtId, setLastMeetingId] = useState(null); 
@@ -463,6 +466,27 @@ export default function Project({projectId}) {
         return null; // 또는 로딩 UI를 보여줄 수도 있음
     }
 
+    useEffect(() => {
+        const fetchFeedbackStatuses = async () => {
+            if (!currentSprint?.sprint_id) return;
+            try {
+            const feedbackData = await fetchSprintParticipantsFeedback(ProjectId, currentSprint.sprint_id);
+        
+            const map = {};
+            feedbackData.content.forEach((participant) => {
+                map[participant.projectParticipantId] = participant.feedbackStatus;
+            });
+        
+            setFeedbackStatusMap(map);
+            } catch (err) {
+            showAlert("error", err.message);
+            console.log(err.message);
+            }
+        };
+        
+        fetchFeedbackStatuses();
+    }, [currentSprint?.sprint_id]);
+
 
     const fetchMeetingList = async (sprintId, lastId = null) => {
         try {
@@ -559,7 +583,6 @@ export default function Project({projectId}) {
     const reduceMemberName = (name) => {
         return name.length > 4 ? name.slice(0, 4) + ".." : name;
     };
-        
 
     return (
         <>
@@ -747,7 +770,10 @@ currentSprint?.sprint_end === today && isExternalUser === true && (
                                     }}
                                 >
                                 {projectUser.errorClassName !== "PROJECT_PARTICIPATION_REQUIRED" && (
-                                    <P.FeedbackButton hidden={!isFeedbackDay}>
+                                    <P.FeedbackButton 
+                                        hidden={!isFeedbackDay}
+                                        disabled={feedbackStatusMap[member.id] === "COMPLETED"}
+                                    >
                                     동료 평가
                                     </P.FeedbackButton>
                                 )}
diff --git a/src/app/project/project_s.js b/src/app/project/project_s.js
index dc4da15..cb9a6b9 100644
--- a/src/app/project/project_s.js
+++ b/src/app/project/project_s.js
@@ -327,4 +327,10 @@ export const FeedbackButton = styled.button`
     &:hover {
         background-color: #3b2ea3;
     }
+
+    &:disabled {
+        background-color: #ccc;
+        cursor: not-allowed;
+        color: #888;
+    }
 `;
\ No newline at end of file