diff --git a/src/main/java/balancetalk/module/post/domain/Post.java b/src/main/java/balancetalk/module/post/domain/Post.java
index 41a918441..41b446733 100644
--- a/src/main/java/balancetalk/module/post/domain/Post.java
+++ b/src/main/java/balancetalk/module/post/domain/Post.java
@@ -87,6 +87,13 @@ public long likesCount() {
         }
         return likes.size();
     }
+
+    public long commentsCount() {
+        if (comments == null) {
+            return 0;
+        }
+        return comments.size();
+    }
     
     @PrePersist
     public void init() {
diff --git a/src/main/java/balancetalk/module/post/dto/PostResponse.java b/src/main/java/balancetalk/module/post/dto/PostResponse.java
index 226341a12..391916c12 100644
--- a/src/main/java/balancetalk/module/post/dto/PostResponse.java
+++ b/src/main/java/balancetalk/module/post/dto/PostResponse.java
@@ -57,6 +57,9 @@ public class PostResponse {
     @Schema(description = "전체 투표 수", example = "15")
     private int totalVotesCount;
 
+    @Schema(description = "댓글 개수", example = "12")
+    private long commentsCount;
+
     @JsonFormat(pattern = "yyyy/MM/dd HH:mm:ss")
     @Schema(description = "게시글 작성일", example = "2023-12-25T15:30:00")
     private LocalDateTime createdAt;
@@ -83,6 +86,7 @@ public static PostResponse fromEntity(Post post, Member member, boolean myLike,
                 .balanceOptions(getBalanceOptions(post))
                 .postTags(getPostTags(post))
                 .totalVotesCount(getTotalVotes(post))
+                .commentsCount(post.commentsCount())
                 .createdAt(post.getCreatedAt())
                 .createdBy(post.getMember().getNickname())
                 .profileImageUrl(getProfileImageUrl(post.getMember()))