diff --git a/src/app/mypage/_components/Fallback.tsx b/src/app/mypage/_components/Fallback.tsx
new file mode 100644
index 0000000..6e87e95
--- /dev/null
+++ b/src/app/mypage/_components/Fallback.tsx
@@ -0,0 +1,11 @@
+import { Spinner } from '@/components/common/spinner';
+
+const Fallback = () => {
+  return (
+    <div className="flex size-full flex-col items-center justify-center">
+      <Spinner />
+    </div>
+  );
+};
+
+export default Fallback;
diff --git a/src/app/mypage/_components/MyTest.tsx b/src/app/mypage/_components/MyTest.tsx
index 92997d2..1f6f647 100644
--- a/src/app/mypage/_components/MyTest.tsx
+++ b/src/app/mypage/_components/MyTest.tsx
@@ -1,26 +1,26 @@
 'use client';
 
+import { Suspense } from 'react';
+
 import { ResultCard, ResultCardContainer } from '@/components/features/test/resultCard';
 import { EmptyTest } from '@/components/shared';
 import { useGetMyTest } from '@/hooks/test';
 
+import { Fallback as MyTestFallback } from '.';
+
 const MyTest = () => {
-  const { data, status } = useGetMyTest();
+  const { data } = useGetMyTest();
 
   return (
-    <>
+    <Suspense fallback={<MyTestFallback />}>
       <ResultCardContainer>
-        {status === 'pending' ? (
-          <></>
-        ) : status === 'error' ? (
-          <></>
-        ) : data.length > 0 ? (
+        {data.length > 0 ? (
           data.map((result) => <ResultCard key={result.id} result={result} />)
         ) : (
           <EmptyTest />
         )}
       </ResultCardContainer>
-    </>
+    </Suspense>
   );
 };
 
diff --git a/src/app/mypage/_components/MyVote.tsx b/src/app/mypage/_components/MyVote.tsx
index e0b71d0..54b50c1 100644
--- a/src/app/mypage/_components/MyVote.tsx
+++ b/src/app/mypage/_components/MyVote.tsx
@@ -2,7 +2,7 @@
 
 import dayjs from 'dayjs';
 import Link from 'next/link';
-import { useRef } from 'react';
+import { Suspense, useRef } from 'react';
 
 import { Button } from '@/components/common/button';
 import { Icon } from '@/components/common/icon';
@@ -14,22 +14,19 @@ import { useDeleteVoteMutation, useGetMyVote } from '@/hooks/vote';
 import { VoteType } from '@/types/vote';
 import { fromNowOf } from '@/utils/dates';
 
+import { Fallback as MyVoteFallback } from '.';
+
 type BottomSheetType = 'askDelete' | 'selectOption';
 
 const MyVote = () => {
-  const { data, status } = useGetMyVote();
+  const { data } = useGetMyVote();
   const { mutate: onDelete, isPending } = useDeleteVoteMutation();
   const { onOpenSheet, openedSheet, onCloseSheet } = useBottomSheetState<BottomSheetType>();
   const deleteTarget = useRef<VoteType['id'] | null>(null);
 
-  // TODO Suspense or ssr
   return (
-    <>
-      {status === 'pending' ? (
-        <></>
-      ) : status === 'error' ? (
-        <></>
-      ) : data.length > 0 ? (
+    <Suspense fallback={<MyVoteFallback />}>
+      {data.length > 0 ? (
         <div className="mt-3xs flex flex-col gap-3xs">
           {data.map((vote) => (
             <VoteCard key={vote.id}>
@@ -114,7 +111,7 @@ const MyVote = () => {
       ) : (
         <EmptyVote />
       )}
-    </>
+    </Suspense>
   );
 };
 
diff --git a/src/app/mypage/_components/index.ts b/src/app/mypage/_components/index.ts
index f8445ca..4ca0272 100644
--- a/src/app/mypage/_components/index.ts
+++ b/src/app/mypage/_components/index.ts
@@ -1,3 +1,4 @@
+export { default as Fallback } from './Fallback';
 export { default as MyTest } from './MyTest';
 export { default as MyVote } from './MyVote';
 export { default as Profile } from './Profile';
diff --git a/src/app/vote/[slug]/_component/Replies.tsx b/src/app/vote/[slug]/_component/Replies.tsx
index a4774d3..942d2bc 100644
--- a/src/app/vote/[slug]/_component/Replies.tsx
+++ b/src/app/vote/[slug]/_component/Replies.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import { useCallback, useRef, useState } from 'react';
+import { Suspense, useCallback, useRef, useState } from 'react';
 
 import { ControlTab } from '@/components/common/controlTab';
 import { Spinner } from '@/components/common/spinner';
@@ -23,7 +23,7 @@ type Props = {
 
 const Replies = ({ voteId }: Props) => {
   const { data: user } = useGetUser();
-  const { status, data: replies } = useGetVoteReplies({ voteId });
+  const { data: replies } = useGetVoteReplies({ voteId });
   const { mutateAsync: createVoteReplyAsync } = useCreateVoteReplyMutation();
   const { mutate: deleteVoteReply } = useDeleteVoteReplyMutation();
   const { mutate: toggleLikeVoteReply } = useLikeVoteReplyMutation();
@@ -55,35 +55,30 @@ const Replies = ({ voteId }: Props) => {
 
       <Notice text="댓글을 사용할 때는 타인을 존중해야합니다." />
 
-      {/* TODO: Suspense or SSR */}
-      {status === 'pending' ? (
-        <div className="flex h-full items-center justify-center py-lg">
-          <Spinner />
-        </div>
-      ) : status === 'error' ? (
-        <div>에러</div>
-      ) : sortedReplyData.length > 0 ? (
-        <ul className="flex h-full flex-col px-2xs py-3xs">
-          {sortedReplyData.map((reply) => (
-            <Reply
-              key={reply.commentId}
-              reply={reply}
-              onLikeToggle={() =>
-                toggleLikeVoteReply({ voteId: reply.voteId, commentId: reply.commentId })
-              }
-              onDelete={() =>
-                deleteVoteReply({
-                  commentId: reply.commentId,
-                  voteId: reply.voteId,
-                })
-              }
-              isWrittenByCurrentUser={reply.userId === user?.userId}
-            />
-          ))}
-        </ul>
-      ) : (
-        <NoReplies />
-      )}
+      <Suspense fallback={<ReplyFallback />}>
+        {sortedReplyData.length > 0 ? (
+          <ul className="flex h-full flex-col px-2xs py-3xs">
+            {sortedReplyData.map((reply) => (
+              <Reply
+                key={reply.commentId}
+                reply={reply}
+                onLikeToggle={() =>
+                  toggleLikeVoteReply({ voteId: reply.voteId, commentId: reply.commentId })
+                }
+                onDelete={() =>
+                  deleteVoteReply({
+                    commentId: reply.commentId,
+                    voteId: reply.voteId,
+                  })
+                }
+                isWrittenByCurrentUser={reply.userId === user?.userId}
+              />
+            ))}
+          </ul>
+        ) : (
+          <NoReplies />
+        )}
+      </Suspense>
 
       <ReplyInput
         onSubmit={async (content) => {
@@ -95,6 +90,14 @@ const Replies = ({ voteId }: Props) => {
   );
 };
 
+const ReplyFallback = () => {
+  return (
+    <div className="flex h-full items-center justify-center py-lg">
+      <Spinner />
+    </div>
+  );
+};
+
 const NoReplies = () => {
   return (
     <div className="flex h-full items-center justify-center py-lg">
diff --git a/src/app/vote/[slug]/_component/VoteDetail.tsx b/src/app/vote/[slug]/_component/VoteDetail.tsx
index 7222ce0..30660c5 100644
--- a/src/app/vote/[slug]/_component/VoteDetail.tsx
+++ b/src/app/vote/[slug]/_component/VoteDetail.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import { notFound } from 'next/navigation';
+import { Suspense } from 'react';
 
 import { Button } from '@/components/common/button';
 import { Icon } from '@/components/common/icon';
@@ -17,61 +17,61 @@ type Props = {
 };
 
 const VoteDetail = ({ voteId }: Props) => {
-  const { status, data } = useGetVoteById(voteId);
+  const { data } = useGetVoteById(voteId);
   const { mutate: toggleLike } = useLikeVoteMutation();
 
   return (
     <section className="h-fit px-2xs">
-      {status === 'pending' ? (
-        <div className="flex min-h-[480px] items-center justify-center">
-          <Spinner />
-        </div>
-      ) : status === 'error' ? (
-        notFound()
-      ) : (
-        <>
-          <VoteExtraDetail
-            voteId={data.id}
-            author={data.user}
-            views={data.views}
-            category={data.category}
-          />
+      <Suspense fallback={<VoteDetailFallback />}>
+        <VoteExtraDetail
+          voteId={data.id}
+          author={data.user}
+          views={data.views}
+          category={data.category}
+        />
 
-          <Typography type="title2" className="mt-3xs text-gray-1000">
-            Q. {data.title}
-          </Typography>
-          <Typography type="body3" className="mb-3xs mt-4xs text-gray-500">
-            {data.content}
-          </Typography>
+        <Typography type="title2" className="mt-3xs text-gray-1000">
+          Q. {data.title}
+        </Typography>
+        <Typography type="body3" className="mb-3xs mt-4xs text-gray-500">
+          {data.content}
+        </Typography>
 
-          <VoteCard>
-            <VoteCard.Header
-              closeDate={data.closeDate}
-              voter={data.voters}
-              fontColor="text-gray-600"
-              fontSize="text-xs"
-            />
+        <VoteCard>
+          <VoteCard.Header
+            closeDate={data.closeDate}
+            voter={data.voters}
+            fontColor="text-gray-600"
+            fontSize="text-xs"
+          />
 
-            <Voting voteId={data.id} selected={data.selected} selections={data.selections} />
-          </VoteCard>
+          <Voting voteId={data.id} selected={data.selected} selections={data.selections} />
+        </VoteCard>
 
-          <div className="mb-3xs mt-sm flex justify-between">
-            <LikeButton
-              isLiked={data.isLiked}
-              likeCount={data.likes}
-              onClick={() => toggleLike({ voteId })}
-            />
-            <Button
-              iconOnly
-              Icon={<Icon icon="share" color="gray-300" />}
-              variant="empty"
-              className="!p-0"
-            />
-          </div>
-        </>
-      )}
+        <div className="mb-3xs mt-sm flex justify-between">
+          <LikeButton
+            isLiked={data.isLiked}
+            likeCount={data.likes}
+            onClick={() => toggleLike({ voteId })}
+          />
+          <Button
+            iconOnly
+            Icon={<Icon icon="share" color="gray-300" />}
+            variant="empty"
+            className="!p-0"
+          />
+        </div>
+      </Suspense>
     </section>
   );
 };
 
+const VoteDetailFallback = () => {
+  return (
+    <div className="flex min-h-[480px] items-center justify-center">
+      <Spinner />
+    </div>
+  );
+};
+
 export default VoteDetail;
diff --git a/src/app/vote/[slug]/page.tsx b/src/app/vote/[slug]/page.tsx
index ed7ba20..a1de7e5 100644
--- a/src/app/vote/[slug]/page.tsx
+++ b/src/app/vote/[slug]/page.tsx
@@ -6,14 +6,14 @@ type Props = {
   params: { slug: string };
 };
 
-const VoteDetailPage = async ({ params }: Props) => {
-  const voteId = params.slug;
+const VoteDetailPage = ({ params }: Props) => {
+  const voteId = +params.slug;
 
   return (
     <>
-      <VoteDetail voteId={Number(voteId)} />
+      <VoteDetail voteId={voteId} />
       <Divider height={8} />
-      <Replies voteId={Number(voteId)} />
+      <Replies voteId={voteId} />
     </>
   );
 };
diff --git a/src/hooks/test/useGetMyTest.ts b/src/hooks/test/useGetMyTest.ts
index ca641ff..56dccf7 100644
--- a/src/hooks/test/useGetMyTest.ts
+++ b/src/hooks/test/useGetMyTest.ts
@@ -1,10 +1,10 @@
-import { useQuery } from '@tanstack/react-query';
+import { useSuspenseQuery } from '@tanstack/react-query';
 
 import { donworryApi } from '@/api';
 import { queryKey } from '@/api/queryKey';
 
 const useGetMyTest = () => {
-  return useQuery({
+  return useSuspenseQuery({
     queryKey: queryKey.test.myResult,
     queryFn: donworryApi.test.getMyTest,
   });
diff --git a/src/hooks/vote/useGetMyVote.ts b/src/hooks/vote/useGetMyVote.ts
index 4f0f2c9..d4b6f65 100644
--- a/src/hooks/vote/useGetMyVote.ts
+++ b/src/hooks/vote/useGetMyVote.ts
@@ -1,10 +1,10 @@
-import { useQuery } from '@tanstack/react-query';
+import { useSuspenseQuery } from '@tanstack/react-query';
 
 import { donworryApi } from '@/api';
 import { queryKey } from '@/api/queryKey';
 
 const useGetMyVote = () => {
-  return useQuery({
+  return useSuspenseQuery({
     queryFn: donworryApi.vote.getMyVotes,
     queryKey: queryKey.vote.myVotes(),
     retry: 1,
diff --git a/src/hooks/vote/useGetVoteById.ts b/src/hooks/vote/useGetVoteById.ts
index 8e78a26..9de71a4 100644
--- a/src/hooks/vote/useGetVoteById.ts
+++ b/src/hooks/vote/useGetVoteById.ts
@@ -1,10 +1,10 @@
-import { useQuery } from '@tanstack/react-query';
+import { useSuspenseQuery } from '@tanstack/react-query';
 
 import { donworryApi } from '@/api';
 import { queryKey } from '@/api/queryKey';
 
 export const useGetVoteById = (voteId: number) => {
-  return useQuery({
+  return useSuspenseQuery({
     queryKey: queryKey.vote.detail(voteId),
     queryFn: () => donworryApi.vote.getVoteById({ voteId }),
   });
diff --git a/src/hooks/vote/useGetVoteReplies.ts b/src/hooks/vote/useGetVoteReplies.ts
index ba8c0c8..d851a3c 100644
--- a/src/hooks/vote/useGetVoteReplies.ts
+++ b/src/hooks/vote/useGetVoteReplies.ts
@@ -1,11 +1,11 @@
-import { useQuery } from '@tanstack/react-query';
+import { useSuspenseQuery } from '@tanstack/react-query';
 
 import { donworryApi } from '@/api';
 import { queryKey } from '@/api/queryKey';
 import { GetVoteRepliesRequest } from '@/api/vote/types';
 
 const useGetVoteReplies = ({ voteId }: GetVoteRepliesRequest) => {
-  return useQuery({
+  return useSuspenseQuery({
     queryKey: queryKey.vote.reply(voteId),
     queryFn: () => donworryApi.vote.getVoteReplies({ voteId }),
   });