diff --git a/CHANGELOG.md b/CHANGELOG.md
index faea475..7c3b811 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+### Added
+
+- Render custom emojis in display names.
+
 ### Changed
 
 - Use `/@username` routes by default.
diff --git a/src/api/emojis.ts b/src/api/emojis.ts
new file mode 100644
index 0000000..fb71c32
--- /dev/null
+++ b/src/api/emojis.ts
@@ -0,0 +1,17 @@
+export interface CustomEmoji {
+  shortcode: string,
+  url: string,
+}
+
+export function replaceShortcodes(text: string, emojis: CustomEmoji[]): string {
+  return text.replace(/:([\w.]+):/g, (match, shortcode) => {
+    const emoji = emojis.find((emoji) => {
+      return emoji.shortcode === shortcode
+    })
+    if (emoji) {
+      return `<img class="emoji" title=":${emoji.shortcode}:" alt=":${emoji.shortcode}:" src="${emoji.url}">`
+    } else {
+      return match
+    }
+  })
+}
diff --git a/src/api/posts.ts b/src/api/posts.ts
index 699bf2a..ef4f33d 100644
--- a/src/api/posts.ts
+++ b/src/api/posts.ts
@@ -1,5 +1,6 @@
 import { BACKEND_URL } from "@/constants"
 import { PAGE_SIZE, http } from "./common"
+import { CustomEmoji } from "./emojis"
 import { defaultProfile, Profile } from "./users"
 
 export interface Attachment {
@@ -52,11 +53,6 @@ export interface Tag {
   url: string;
 }
 
-export interface CustomEmoji {
-  shortcode: string,
-  url: string,
-}
-
 export interface Post {
   id: string;
   uri: string;
diff --git a/src/api/users.ts b/src/api/users.ts
index 04c8aa7..7438ba9 100644
--- a/src/api/users.ts
+++ b/src/api/users.ts
@@ -3,6 +3,7 @@ import { RouteLocationRaw } from "vue-router"
 import { BACKEND_URL } from "@/constants"
 import { createDidFromEthereumAddress } from "@/utils/did"
 import { PAGE_SIZE, http } from "./common"
+import { CustomEmoji } from "./emojis"
 
 export const EXTRA_FIELD_COUNT_MAX = 10
 
@@ -48,6 +49,7 @@ export interface Profile {
   identity_proofs: ProfileField[];
   payment_options: ProfilePaymentOption[];
   fields: ProfileField[];
+  emojis: CustomEmoji[],
 
   followers_count: number;
   following_count: number;
@@ -69,6 +71,7 @@ export function defaultProfile(): Profile {
     identity_proofs: [],
     payment_options: [],
     fields: [],
+    emojis: [],
     followers_count: 0,
     following_count: 0,
     subscribers_count: 0,
diff --git a/src/components/Post.vue b/src/components/Post.vue
index e1fe4cc..d750818 100644
--- a/src/components/Post.vue
+++ b/src/components/Post.vue
@@ -15,12 +15,12 @@
         <avatar :profile="post.account"></avatar>
       </a>
       <a
-        class="display-name"
+        class="display-name-link"
         :href="post.account.url"
         :title="author.getDisplayName()"
         @click="openProfile($event, post.account)"
       >
-        {{ author.getDisplayName() }}
+        <profile-display-name :profile="author"></profile-display-name>
       </a>
       <div class="actor-address" :title="'@' + getActorAddress(post.account)">
         @{{ getActorAddress(post.account) }}
@@ -80,9 +80,8 @@
     >
       <div class="quote-header">
         <avatar :profile="linkedPost.account"></avatar>
-        <span class="display-name">
-          {{ getQuoteAuthorDisplayName(linkedPost) }}
-        </span>
+        <profile-display-name :profile="getQuoteAuthor(linkedPost)">
+        </profile-display-name>
         <span class="actor-address">
           @{{ getActorAddress(linkedPost.account) }}
         </span>
@@ -270,6 +269,7 @@ import CryptoAddress from "@/components/CryptoAddress.vue"
 import PostAttachment from "@/components/PostAttachment.vue"
 import PostContent from "@/components/PostContent.vue"
 import PostEditor from "@/components/PostEditor.vue"
+import ProfileDisplayName from "@/components/ProfileDisplayName.vue"
 import VisibilityIcon from "@/components/VisibilityIcon.vue"
 import { useInstanceInfo } from "@/store/instance"
 import { useCurrentUser } from "@/store/user"
@@ -351,9 +351,8 @@ function getReplyMentions(): Mention[] {
   return props.post.mentions
 }
 
-function getQuoteAuthorDisplayName(post: Post): string | null {
-  const profile = new ProfileWrapper(post.account)
-  return profile.getDisplayName()
+function getQuoteAuthor(post: Post): ProfileWrapper {
+  return new ProfileWrapper(post.account)
 }
 
 function canReply(): boolean {
@@ -607,7 +606,7 @@ async function onMintToken() {
     }
   }
 
-  .display-name {
+  .display-name-link {
     color: $text-color;
     font-weight: bold;
     overflow: hidden;
diff --git a/src/components/PostContent.vue b/src/components/PostContent.vue
index 022c20d..a2edb91 100644
--- a/src/components/PostContent.vue
+++ b/src/components/PostContent.vue
@@ -7,6 +7,7 @@ import { onMounted } from "vue"
 import { $, $ref } from "vue/macros"
 import { useRouter } from "vue-router"
 
+import { replaceShortcodes } from "@/api/emojis"
 import { Post } from "@/api/posts"
 import { useCurrentUser } from "@/store/user"
 import { addGreentext } from "@/utils/greentext"
@@ -72,16 +73,7 @@ function configureInlineLinks() {
 function getContent(): string {
   let content = addGreentext(props.post.content)
   // Replace emoji shortcodes
-  content = content.replace(/:([\w.]+):/g, (match, shortcode) => {
-    const emoji = props.post.emojis.find((emoji) => {
-      return emoji.shortcode === shortcode
-    })
-    if (emoji) {
-      return `<img class="emoji" title=":${emoji.shortcode}:" alt=":${emoji.shortcode}:" src="${emoji.url}">`
-    } else {
-      return match
-    }
-  })
+  content = replaceShortcodes(content, props.post.emojis)
   return content
 }
 </script>
@@ -92,6 +84,8 @@ function getContent(): string {
 @import "../styles/mixins";
 
 .post-content {
+  @include ugc-emoji;
+
   color: $text-color;
   line-height: 1.5;
   padding: $block-inner-padding;
@@ -168,10 +162,6 @@ function getContent(): string {
   }
 
   :deep(.emoji) {
-    height: 24px;
-    vertical-align: text-bottom;
-    width: 24px;
-
     &:hover {
       height: 48px;
       transition: 100ms linear;
diff --git a/src/components/PostOrRepost.vue b/src/components/PostOrRepost.vue
index 7294ae8..e034e92 100644
--- a/src/components/PostOrRepost.vue
+++ b/src/components/PostOrRepost.vue
@@ -5,8 +5,9 @@
       <router-link
         :to="{ name: 'profile-by-acct', params: { acct: post.account.acct }}"
         :title="getActorAddress(post.account)"
+        class="display-name-link"
       >
-        {{ author.getDisplayName() }}
+        <profile-display-name :profile="author"></profile-display-name>
       </router-link>
       <span>reposted</span>
     </div>
@@ -32,6 +33,7 @@ import { $, $computed } from "vue/macros"
 import type { Post as PostObject } from "@/api/posts"
 import { ProfileWrapper } from "@/api/users"
 import Post from "@/components/Post.vue"
+import ProfileDisplayName from "@/components/ProfileDisplayName.vue"
 import { useInstanceInfo } from "@/store/instance"
 
 /* eslint-disable-next-line no-undef */
diff --git a/src/components/ProfileCard.vue b/src/components/ProfileCard.vue
index acae80e..63cafd0 100644
--- a/src/components/ProfileCard.vue
+++ b/src/components/ProfileCard.vue
@@ -7,7 +7,7 @@
       <div class="avatar-row">
         <avatar :profile="profile"></avatar>
         <div class="name-group">
-          <div class="display-name">{{ profile.getDisplayName() }}</div>
+          <profile-display-name :profile="profile"></profile-display-name>
           <div class="actor-address">@{{ getActorAddress(profile) }}</div>
         </div>
       </div>
@@ -27,6 +27,7 @@ import { $computed } from "vue/macros"
 
 import { Profile, ProfileWrapper } from "@/api/users"
 import Avatar from "@/components/Avatar.vue"
+import ProfileDisplayName from "@/components/ProfileDisplayName.vue"
 import { useInstanceInfo } from "@/store/instance"
 
 /* eslint-disable-next-line no-undef */
diff --git a/src/components/ProfileDisplayName.vue b/src/components/ProfileDisplayName.vue
new file mode 100644
index 0000000..8343b08
--- /dev/null
+++ b/src/components/ProfileDisplayName.vue
@@ -0,0 +1,32 @@
+<template>
+  <span
+    class="display-name"
+    v-html="getDisplayNameHtml()"
+  >
+  </span>
+</template>
+
+<script setup lang="ts">
+import { replaceShortcodes } from "@/api/emojis"
+import { ProfileWrapper } from "@/api/users"
+
+/* eslint-disable-next-line no-undef */
+const props = defineProps<{
+  profile: ProfileWrapper,
+}>()
+
+function getDisplayNameHtml(): string {
+  const profile = props.profile
+  const escaped = new Option(profile.getDisplayName()).innerHTML
+  return replaceShortcodes(escaped, profile.emojis)
+}
+</script>
+
+<style scoped lang="scss">
+@import "../styles/mixins";
+@import "../styles/theme";
+
+.display-name {
+  @include ugc-emoji;
+}
+</style>
diff --git a/src/components/ProfileListItem.vue b/src/components/ProfileListItem.vue
index 7410ea7..0100c71 100644
--- a/src/components/ProfileListItem.vue
+++ b/src/components/ProfileListItem.vue
@@ -2,7 +2,7 @@
   <div class="profile">
     <avatar :profile="profile"></avatar>
     <div class="name">
-      <div class="display-name">{{ profile.getDisplayName() }}</div>
+      <profile-display-name :profile="profile"></profile-display-name>
       <div class="actor-address">@{{ getActorAddress(profile) }}</div>
     </div>
   </div>
@@ -13,6 +13,7 @@ import { $computed } from "vue/macros"
 
 import { Profile, ProfileWrapper } from "@/api/users"
 import Avatar from "@/components/Avatar.vue"
+import ProfileDisplayName from "@/components/ProfileDisplayName.vue"
 import { useInstanceInfo } from "@/store/instance"
 
 const { getActorAddress } = useInstanceInfo()
diff --git a/src/components/SubscriptionEthereum.vue b/src/components/SubscriptionEthereum.vue
index e353793..ce9a33b 100644
--- a/src/components/SubscriptionEthereum.vue
+++ b/src/components/SubscriptionEthereum.vue
@@ -7,7 +7,7 @@
         :to="{ name: 'profile-by-acct', params: { acct: sender.acct }}"
       >
         <avatar :profile="sender"></avatar>
-        <div class="display-name">{{ sender.getDisplayName() }}</div>
+        <profile-display-name :profile="sender"></profile-display-name>
         <div class="wallet-address">{{ walletAddress ? walletAddress.toLowerCase() : '?' }}</div>
       </component>
       <div class="separator">
@@ -18,7 +18,7 @@
         :to="{ name: 'profile-by-acct', params: { acct: recipient.acct }}"
       >
         <avatar :profile="recipient"></avatar>
-        <div class="display-name">{{ recipient.getDisplayName() }}</div>
+        <profile-display-name :profile="recipient"></profile-display-name>
         <div class="wallet-address">{{ recipientEthereumAddress }}</div>
       </router-link>
     </div>
@@ -125,6 +125,7 @@ import {
 } from "@/api/subscriptions-ethereum"
 import Avatar from "@/components/Avatar.vue"
 import Loader from "@/components/Loader.vue"
+import ProfileDisplayName from "@/components/ProfileDisplayName.vue"
 import { useWallet } from "@/composables/wallet"
 import { useInstanceInfo } from "@/store/instance"
 import { useCurrentUser } from "@/store/user"
diff --git a/src/components/SubscriptionMonero.vue b/src/components/SubscriptionMonero.vue
index dcef7e0..c15bd71 100644
--- a/src/components/SubscriptionMonero.vue
+++ b/src/components/SubscriptionMonero.vue
@@ -7,7 +7,7 @@
         :to="{ name: 'profile-by-acct', params: { acct: sender.acct } }"
       >
         <avatar :profile="sender"></avatar>
-        <div class="display-name">{{ sender.getDisplayName() }}</div>
+        <profile-display-name :profile="sender"></profile-display-name>
       </component>
       <div class="separator">
         <img :src="require('@/assets/feather/arrow-right.svg')">
@@ -17,7 +17,7 @@
         :to="{ name: 'profile-by-acct', params: { acct: recipient.acct }}"
       >
         <avatar :profile="recipient"></avatar>
-        <div class="display-name">{{ recipient.getDisplayName() }}</div>
+        <profile-display-name :profile="recipient"></profile-display-name>
       </router-link>
     </div>
     <form class="sender" v-if="sender.id === ''">
@@ -131,6 +131,7 @@ import { defaultProfile, Profile, ProfilePaymentOption, ProfileWrapper } from "@
 import Avatar from "@/components/Avatar.vue"
 import Loader from "@/components/Loader.vue"
 import QrCode from "@/components/QrCode.vue"
+import ProfileDisplayName from "@/components/ProfileDisplayName.vue"
 import { useCurrentUser } from "@/store/user"
 import { formatDate } from "@/utils/dates"
 import { createMoneroPaymentUri } from "@/utils/monero"
diff --git a/src/styles/_mixins.scss b/src/styles/_mixins.scss
index be59fce..b64f6a8 100644
--- a/src/styles/_mixins.scss
+++ b/src/styles/_mixins.scss
@@ -158,3 +158,11 @@
     color: $error-color;
   }
 }
+
+@mixin ugc-emoji {
+  :deep(.emoji) {
+    height: 24px;
+    vertical-align: text-bottom;
+    width: 24px;
+  }
+}
diff --git a/src/views/NotificationList.vue b/src/views/NotificationList.vue
index 799f2dd..d4a89a5 100644
--- a/src/views/NotificationList.vue
+++ b/src/views/NotificationList.vue
@@ -20,8 +20,10 @@
           <router-link
             :title="getSenderInfo(notification)"
             :to="{ name: 'profile-by-acct', params: { acct: notification.account.acct } }"
+            class="display-name-link"
           >
-            {{ getSenderName(notification) }}
+            <profile-display-name :profile="getSender(notification)">
+            </profile-display-name>
           </router-link>
           <span v-if="notification.type === 'follow'">followed you</span>
           <span v-else-if="notification.type === 'reply'">replied to your post</span>
@@ -47,7 +49,8 @@
           <div class="floating-avatar">
             <avatar :profile="notification.account"></avatar>
           </div>
-          <div class="display-name">{{ getSenderName(notification) }}</div>
+          <profile-display-name :profile="getSender(notification)">
+          </profile-display-name>
           <div class="actor-address">@{{ getActorAddress(notification.account) }}</div>
           <div class="timestamp">{{ humanizeDate(notification.created_at) }}</div>
         </router-link>
@@ -73,6 +76,7 @@ import { getNotifications, Notification } from "@/api/notifications"
 import { ProfileWrapper } from "@/api/users"
 import Avatar from "@/components/Avatar.vue"
 import Post from "@/components/Post.vue"
+import ProfileDisplayName from "@/components/ProfileDisplayName.vue"
 import SidebarLayout from "@/components/SidebarLayout.vue"
 import { useInstanceInfo } from "@/store/instance"
 import { useNotifications } from "@/store/notifications"
@@ -94,13 +98,13 @@ onMounted(async () => {
   }
 })
 
-function getSenderName(notification: Notification): string {
-  const sender = new ProfileWrapper(notification.account)
-  return sender.getDisplayName()
+function getSender(notification: Notification): ProfileWrapper {
+  return new ProfileWrapper(notification.account)
 }
 
 function getSenderInfo(notification: Notification): string {
-  return `${getSenderName(notification)} (${getActorAddress(notification.account)})`
+  const senderName = getSender(notification).getDisplayName()
+  return `${senderName} (${getActorAddress(notification.account)})`
 }
 
 function onPostDeleted(notificationIndex: number) {
diff --git a/src/views/Profile.vue b/src/views/Profile.vue
index 9ac3179..3b7a153 100644
--- a/src/views/Profile.vue
+++ b/src/views/Profile.vue
@@ -105,7 +105,8 @@
           </div>
           <div class="name-buttons-group">
             <div class="name-group">
-              <div class="display-name">{{ profile.getDisplayName() }}</div>
+              <profile-display-name :profile="profile">
+              </profile-display-name>
               <div class="actor-address">@{{ actorAddress }}</div>
             </div>
             <div class="buttons">
@@ -280,6 +281,7 @@ import {
 import Avatar from "@/components/Avatar.vue"
 import Loader from "@/components/Loader.vue"
 import PostList from "@/components/PostList.vue"
+import ProfileDisplayName from "@/components/ProfileDisplayName.vue"
 import ProfileListItem from "@/components/ProfileListItem.vue"
 import SidebarLayout from "@/components/SidebarLayout.vue"
 import { useEthereumAddressVerification } from "@/composables/ethereum-address-verification"
diff --git a/tests/unit/profile-wrapper.spec.ts b/tests/unit/profile-wrapper.spec.ts
new file mode 100644
index 0000000..01c4169
--- /dev/null
+++ b/tests/unit/profile-wrapper.spec.ts
@@ -0,0 +1,15 @@
+import { expect } from "chai"
+import { defaultProfile, ProfileWrapper } from "@/api/users"
+
+describe("ProfileWrapper", () => {
+  it("Replace invisible characters", () => {
+    const hidden = "​"
+    expect(hidden.length).to.equal(1)
+    const profile = new ProfileWrapper({
+      ...defaultProfile(),
+      username: "test",
+      display_name: hidden,
+    })
+    expect(profile.getDisplayName()).to.equal("test")
+  })
+})