diff --git a/apps/web/src/app/community/[boardCode]/[postId]/CommentSection.tsx b/apps/web/src/app/community/[boardCode]/[postId]/CommentSection.tsx
index 27c42115..f9e66653 100644
--- a/apps/web/src/app/community/[boardCode]/[postId]/CommentSection.tsx
+++ b/apps/web/src/app/community/[boardCode]/[postId]/CommentSection.tsx
@@ -5,6 +5,7 @@ import { useState } from "react";
 import { useDeleteComment } from "@/apis/community";
 import Dropdown from "@/components/ui/Dropdown";
 import Image from "@/components/ui/FallbackImage";
+import { DEFAULT_PROFILE_IMAGE } from "@/constants/profile";
 import { IconMoreVertFilled, IconSubComment } from "@/public/svgs";
 import type { Comment as CommentType, CommunityUser } from "@/types/community";
 import { convertISODateToDateTime } from "@/utils/datetimeUtils";
@@ -137,9 +138,7 @@ const CommentProfile = ({ user }: { user: CommunityUser }) => {
       <div className="h-[25px] w-[25px] rounded-full bg-bg-600">
         <Image
           className="h-full w-full rounded-full"
-          src={
-            user?.profileImageUrl ? convertUploadedImageUrl(user?.profileImageUrl) : "/images/placeholder/profile64.svg"
-          }
+          src={user?.profileImageUrl ? convertUploadedImageUrl(user?.profileImageUrl) : DEFAULT_PROFILE_IMAGE}
           width={40}
           height={40}
           alt="alt"
diff --git a/apps/web/src/app/community/[boardCode]/[postId]/Content.tsx b/apps/web/src/app/community/[boardCode]/[postId]/Content.tsx
index 714d630e..6a77cc84 100644
--- a/apps/web/src/app/community/[boardCode]/[postId]/Content.tsx
+++ b/apps/web/src/app/community/[boardCode]/[postId]/Content.tsx
@@ -4,6 +4,7 @@ import { useDeleteLike, usePostLike } from "@/apis/community";
 import Image from "@/components/ui/FallbackImage";
 import LinkifyText from "@/components/ui/LinkifyText";
 import { COMMUNITY_MAX_UPLOAD_IMAGES } from "@/constants/community";
+import { DEFAULT_PROFILE_IMAGE } from "@/constants/profile";
 import { IconCloseFilled, IconPostLikeFilled, IconPostLikeOutline } from "@/public/svgs";
 import { IconCommunication } from "@/public/svgs/community";
 import type { PostImage as PostImageType, Post as PostType } from "@/types/community";
@@ -117,7 +118,7 @@ const Content = ({ post, postId }: ContentProps) => {
               src={
                 post.postFindSiteUserResponse.profileImageUrl
                   ? convertUploadedImageUrl(post.postFindSiteUserResponse.profileImageUrl)
-                  : "/images/placeholder/profile64.svg"
+                  : DEFAULT_PROFILE_IMAGE
               }
               width={40}
               height={40}
diff --git a/apps/web/src/components/ui/ProfileWithBadge.tsx b/apps/web/src/components/ui/ProfileWithBadge.tsx
index e92c2b39..ae2043e4 100644
--- a/apps/web/src/components/ui/ProfileWithBadge.tsx
+++ b/apps/web/src/components/ui/ProfileWithBadge.tsx
@@ -1,5 +1,6 @@
 import Image from "@/components/ui/FallbackImage";
-import { IconDefaultProfile, IconGraduation } from "@/public/svgs/mentor";
+import { DEFAULT_PROFILE_IMAGE } from "@/constants/profile";
+import { IconGraduation } from "@/public/svgs/mentor";
 
 interface ProfileWithBadgeProps {
   profileImageUrl?: string | null;
@@ -28,20 +29,16 @@ const ProfileWithBadge = ({
           hasBadge ? "border-2 border-primary-1" : "border border-gray-200"
         }`}
       >
-        {profileImageUrl ? (
-          <Image
-            unoptimized
-            src={profileImageUrl}
-            cdnHostType="upload"
-            alt="프로필 이미지"
-            width={width}
-            height={height}
-            className="h-full w-full object-cover"
-            fallbackSrc="/images/placeholder/profile112.png"
-          />
-        ) : (
-          <IconDefaultProfile />
-        )}
+        <Image
+          unoptimized
+          src={profileImageUrl || DEFAULT_PROFILE_IMAGE}
+          cdnHostType={profileImageUrl ? "upload" : undefined}
+          alt="프로필 이미지"
+          width={width}
+          height={height}
+          className="h-full w-full object-cover"
+          fallbackSrc={DEFAULT_PROFILE_IMAGE}
+        />
       </div>
 
       {/* 학습 상태 배지 */}
diff --git a/apps/web/src/constants/profile.ts b/apps/web/src/constants/profile.ts
new file mode 100644
index 00000000..761f6019
--- /dev/null
+++ b/apps/web/src/constants/profile.ts
@@ -0,0 +1 @@
+export const DEFAULT_PROFILE_IMAGE = "/images/placeholder/profile64.svg";