diff --git a/.changeset/irc-display-nickname.md b/.changeset/irc-display-nickname.md
new file mode 100644
index 00000000..8d38ce8e
--- /dev/null
+++ b/.changeset/irc-display-nickname.md
@@ -0,0 +1,11 @@
+---
+"fuelrats.com": minor
+---
+
+Add ability to set IRC display nickname in user profile
+
+Users can now choose which of their registered IRC nicknames appears as their primary display name. In the IRC Nicknames section of your profile:
+
+- A filled star indicates your current display nickname
+- Click the outline star next to any other nickname to set it as your new display nickname
+- Hover over the star icons for helpful tooltips
\ No newline at end of file
diff --git a/package.json b/package.json
index 42efe0bb..48a687be 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
     "@fingerprintjs/fingerprintjs": "^3.3.1",
     "@fortawesome/fontawesome-svg-core": "^1.2.36",
     "@fortawesome/free-brands-svg-icons": "^5.15.4",
+    "@fortawesome/free-regular-svg-icons": "^7.0.1",
     "@fortawesome/free-solid-svg-icons": "^5.15.4",
     "@fortawesome/react-fontawesome": "^0.1.16",
     "@fuelrats/next-adorable-avatars": "^0.4.0",
diff --git a/src/components/UserNicknamesPanel/NicknameErrorBox.js b/src/components/UserNicknamesPanel/NicknameErrorBox.js
new file mode 100644
index 00000000..2ced900f
--- /dev/null
+++ b/src/components/UserNicknamesPanel/NicknameErrorBox.js
@@ -0,0 +1,38 @@
+import { HttpStatus } from '@fuelrats/web-util/http'
+import PropTypes from 'prop-types'
+
+import ApiErrorBox from '~/components/MessageBox/ApiErrorBox'
+
+
+function getErrorText (error) {
+  switch (error.code) {
+    case HttpStatus.CONFLICT:
+      return 'Nickname already registered.'
+
+    case HttpStatus.NOT_FOUND:
+      return 'Nickname not found or no longer exists.'
+
+    case HttpStatus.UNPROCESSABLE_ENTITY:
+      return 'Nickname format is invalid.'
+
+    default:
+      return undefined
+  }
+}
+
+function NicknameErrorBox (props) {
+  const { error } = props
+
+  if (!error) {
+    return null
+  }
+
+  return (<ApiErrorBox error={error} renderError={getErrorText} />)
+}
+
+NicknameErrorBox.propTypes = {
+  error: PropTypes.object,
+}
+
+
+export default NicknameErrorBox
diff --git a/src/components/UserNicknamesPanel/UserNicknamesPanel.js b/src/components/UserNicknamesPanel/UserNicknamesPanel.js
index 4e30f188..72528764 100644
--- a/src/components/UserNicknamesPanel/UserNicknamesPanel.js
+++ b/src/components/UserNicknamesPanel/UserNicknamesPanel.js
@@ -1,19 +1,18 @@
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
-import { HttpStatus } from '@fuelrats/web-util/http'
-import { isError } from 'flux-standard-action'
 import { useCallback, useState } from 'react'
 import { useDispatch, useSelector } from 'react-redux'
 
 import ConfirmActionButton from '~/components/ConfirmActionButton'
 import AddNicknameForm from '~/components/Forms/AddNicknameForm/AddNicknameForm'
-import MessageBox from '~/components/MessageBox'
-import { deleteNickname } from '~/store/actions/user'
+import { deleteNickname, setDisplayNickname, getUserProfile } from '~/store/actions/user'
 import {
   selectUserById,
   withCurrentUserId,
   selectNicknamesByUserId,
 } from '~/store/selectors'
+import getResponseError from '~/util/getResponseError'
 
+import NicknameErrorBox from './NicknameErrorBox'
 import styles from './UserNicknamesPanel.module.scss'
 
 
@@ -34,28 +33,38 @@ function UserNicknamesPanel () {
   const user = useSelector(withCurrentUserId(selectUserById))
 
   const handleDeleteNickname = useCallback(async (event) => {
+    setError(null)
     const response = await dispatch(deleteNickname(user, nicknames.find((nick) => {
       return nick.id === event.target.name
     })))
 
-    if (isError(response)) {
-      const { meta, payload } = response
-      let errorMessage = 'Unknown error occurred.'
+    const responseError = getResponseError(response)
+    if (responseError) {
+      setError(responseError)
+      return responseError
+    }
 
-      if (HttpStatus.isClientError(meta.response.status)) {
-        errorMessage = payload.errors?.length ? payload.errors[0].detail : 'Client communication error'
-      }
+    return true
+  }, [dispatch, nicknames, user])
 
-      if (HttpStatus.isServerError(meta.response.status)) {
-        errorMessage = 'Server communication error'
-      }
+  const handleSetDisplayNickname = useCallback(async (event) => {
+    setError(null)
+    const nickname = nicknames.find((nick) => {
+      return nick.id === event.target.name
+    })
 
-      setError(errorMessage)
-      return errorMessage
+    const response = await dispatch(setDisplayNickname(nickname.id, nickname.attributes.nick))
+
+    const responseError = getResponseError(response)
+    if (responseError) {
+      setError(responseError)
+      return responseError
     }
 
-    return undefined
-  }, [dispatch, nicknames, user])
+    // Refresh user profile to get updated nicknames
+    await dispatch(getUserProfile())
+    return true
+  }, [dispatch, nicknames])
 
   const nickCount = nicknames?.length
   const maxNicksReached = (nickCount >= MAX_NICKS)
@@ -72,7 +81,7 @@ function UserNicknamesPanel () {
       <div className={styles.userNicknames}>
         {
           error && (
-            <MessageBox>{error}</MessageBox>
+            <NicknameErrorBox error={error} />
           )
         }
         <ul className={styles.nickList}>
@@ -83,24 +92,52 @@ function UserNicknamesPanel () {
           }
           {
             nicknames?.map((nickname) => {
+              const isDisplayNick = nickname.attributes?.display === nickname.attributes?.nick
               return (
                 <li key={nickname.id}>
-                  <span>{nickname.attributes?.nick}</span>
-                  {
-                    // Only render for additional nicks, prevent for display nick.
-                    nickname.attributes?.display !== nickname.attributes?.nick && (
-                      <ConfirmActionButton
-                        className="icon"
-                        confirmButtonText={`Delete nickname '${nickname.attributes?.nick}'`}
-                        confirmSubText=""
-                        denyButtonText="Cancel"
-                        name={nickname.id}
-                        onConfirm={handleDeleteNickname}
-                        onConfirmText="">
-                        <FontAwesomeIcon fixedWidth icon="trash" />
-                      </ConfirmActionButton>
-                    )
-                  }
+                  <span>
+                    {nickname.attributes?.nick}
+                    {
+                      isDisplayNick && (
+                        <FontAwesomeIcon
+                          fixedWidth
+                          className={styles.displayIcon}
+                          icon="star"
+                          title="Current display nickname" />
+                      )
+                    }
+                  </span>
+                  <div className={styles.controlContainer}>
+                    {
+                      // Only show buttons for non-display nicks
+                      !isDisplayNick && (
+                        <>
+                          <ConfirmActionButton
+                            className="icon"
+                            confirmButtonText={`Set '${nickname.attributes?.nick}' as display nickname`}
+                            confirmSubText=""
+                            denyButtonText="Cancel"
+                            name={nickname.id}
+                            title="Set as display nickname"
+                            onConfirm={handleSetDisplayNickname}
+                            onConfirmText="">
+                            <FontAwesomeIcon fixedWidth icon="farStar" title="Set as display nickname" />
+                          </ConfirmActionButton>
+                          <ConfirmActionButton
+                            className="icon"
+                            confirmButtonText={`Delete nickname '${nickname.attributes?.nick}'`}
+                            confirmSubText=""
+                            denyButtonText="Cancel"
+                            name={nickname.id}
+                            title="Delete nickname"
+                            onConfirm={handleDeleteNickname}
+                            onConfirmText="">
+                            <FontAwesomeIcon fixedWidth icon="trash" title="Delete nickname" />
+                          </ConfirmActionButton>
+                        </>
+                      )
+                    }
+                  </div>
                 </li>
               )
             }) ?? null
diff --git a/src/components/UserNicknamesPanel/UserNicknamesPanel.module.scss b/src/components/UserNicknamesPanel/UserNicknamesPanel.module.scss
index 05d302c1..562cfbec 100644
--- a/src/components/UserNicknamesPanel/UserNicknamesPanel.module.scss
+++ b/src/components/UserNicknamesPanel/UserNicknamesPanel.module.scss
@@ -23,6 +23,17 @@
   }
 }
 
+.controlContainer {
+  display: flex;
+  gap: 0.5rem;
+}
+
+.displayIcon {
+  margin-left: 0.5rem;
+
+  color: #FFD700;
+}
+
 .addNicknameFloat {
   position: relative;
 
diff --git a/src/store/actionTypes.js b/src/store/actionTypes.js
index 27f36da7..60ffdacb 100644
--- a/src/store/actionTypes.js
+++ b/src/store/actionTypes.js
@@ -30,6 +30,7 @@ const nicknames = {
   read: 'nicknames/read',
   create: 'nicknames/create',
   delete: 'nicknames/delete',
+  setDisplay: 'nicknames/setDisplay',
 }
 
 
diff --git a/src/store/actions/user.js b/src/store/actions/user.js
index 1eb070be..02581569 100644
--- a/src/store/actions/user.js
+++ b/src/store/actions/user.js
@@ -103,3 +103,14 @@ export const changeEmail = ({ id, ...data }) => {
     },
   )
 }
+
+export const setDisplayNickname = (nicknameId, displayNick) => {
+  return frApiRequest(
+    actionTypes.nicknames.setDisplay,
+    {
+      url: `/nicknames/${nicknameId}/display`,
+      method: 'put',
+      data: createRequestBody('nicknames', { displayNick }),
+    },
+  )
+}
diff --git a/src/util/fontawesome/library.js b/src/util/fontawesome/library.js
index 85c10420..418e35bf 100644
--- a/src/util/fontawesome/library.js
+++ b/src/util/fontawesome/library.js
@@ -36,6 +36,7 @@ export {
   faSignature,
   faSpaceShuttle,
   faSpinner,
+  faStar,
   faSync,
   faTimes,
   faTimesCircle,
@@ -55,3 +56,7 @@ export {
   faPlaystation,
   faXbox,
 } from '@fortawesome/free-brands-svg-icons'
+
+export {
+  faStar as farStar,
+} from '@fortawesome/free-regular-svg-icons'
diff --git a/yarn.lock b/yarn.lock
index c21f1043..abbab6cf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2015,6 +2015,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@fortawesome/fontawesome-common-types@npm:7.0.1":
+  version: 7.0.1
+  resolution: "@fortawesome/fontawesome-common-types@npm:7.0.1"
+  checksum: 64f7b9fb2a62220d6816c8973836143498c3e7b86559f4db63263b1d5bf98a2f5234da5a66fb6a0609f37b34a6847a5a443b037c74d131aed5e56d9c36d9956c
+  languageName: node
+  linkType: hard
+
 "@fortawesome/fontawesome-common-types@npm:^0.2.36":
   version: 0.2.36
   resolution: "@fortawesome/fontawesome-common-types@npm:0.2.36"
@@ -2040,6 +2047,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@fortawesome/free-regular-svg-icons@npm:^7.0.1":
+  version: 7.0.1
+  resolution: "@fortawesome/free-regular-svg-icons@npm:7.0.1"
+  dependencies:
+    "@fortawesome/fontawesome-common-types": 7.0.1
+  checksum: 21f479508d58e1f48f928808b6f1553cb5839571149c90ad43c3601dfbd0ff67519d6913f3818397db9e352e40631a6f4aa110dfb7b34cc81d807f3f4d4da513
+  languageName: node
+  linkType: hard
+
 "@fortawesome/free-solid-svg-icons@npm:^5.15.4":
   version: 5.15.4
   resolution: "@fortawesome/free-solid-svg-icons@npm:5.15.4"
@@ -5852,6 +5868,7 @@ __metadata:
     "@fingerprintjs/fingerprintjs": ^3.3.1
     "@fortawesome/fontawesome-svg-core": ^1.2.36
     "@fortawesome/free-brands-svg-icons": ^5.15.4
+    "@fortawesome/free-regular-svg-icons": ^7.0.1
     "@fortawesome/free-solid-svg-icons": ^5.15.4
     "@fortawesome/react-fontawesome": ^0.1.16
     "@fuelrats/babel-plugin-classnames": ^0.3.0