diff --git a/keyserver/src/push/send.js b/keyserver/src/push/send.js
--- a/keyserver/src/push/send.js
+++ b/keyserver/src/push/send.js
@@ -11,7 +11,7 @@
 import uuidv4 from 'uuid/v4.js';
 
 import { oldValidUsernameRegex } from 'lib/shared/account-utils.js';
-import { isMentioned } from 'lib/shared/mention-utils.js';
+import { isUserMentioned } from 'lib/shared/mention-utils.js';
 import {
   createMessageInfo,
   sortMessageInfoList,
@@ -172,7 +172,7 @@
               : newMessageInfo;
           return (
             unwrappedMessageInfo.type === messageTypes.TEXT &&
-            isMentioned(username, unwrappedMessageInfo.text)
+            isUserMentioned(username, unwrappedMessageInfo.text)
           );
         });
       if (!updateBadge && !displayBanner && !userWasMentioned) {
diff --git a/lib/shared/markdown.js b/lib/shared/markdown.js
--- a/lib/shared/markdown.js
+++ b/lib/shared/markdown.js
@@ -3,7 +3,7 @@
 import invariant from 'invariant';
 
 import {
-  markdownMentionRegex,
+  markdownUserMentionRegex,
   decodeChatMentionText,
 } from './mention-utils.js';
 import type {
@@ -197,7 +197,7 @@
   };
 }
 
-function matchMentions(
+function matchUserMentions(
   members: $ReadOnlyArray<RelativeMemberInfo>,
 ): MatchFunction {
   const memberSet = new Set(
@@ -210,7 +210,7 @@
     if (!state.inline) {
       return null;
     }
-    const result = markdownMentionRegex.exec(source);
+    const result = markdownUserMentionRegex.exec(source);
     if (!result) {
       return null;
     }
@@ -221,7 +221,7 @@
     }
     return result;
   };
-  match.regex = markdownMentionRegex;
+  match.regex = markdownUserMentionRegex;
   return match;
 }
 
@@ -339,7 +339,7 @@
   jsonPrint,
   matchList,
   parseList,
-  matchMentions,
+  matchUserMentions,
   stripSpoilersFromNotifications,
   stripSpoilersFromMarkdownAST,
   parseChatMention,
diff --git a/lib/shared/mention-utils.js b/lib/shared/mention-utils.js
--- a/lib/shared/mention-utils.js
+++ b/lib/shared/mention-utils.js
@@ -23,12 +23,12 @@
   +end: number,
 };
 
-type TypeaheadUserSuggestionItem = {
+type MentionTypeaheadUserSuggestionItem = {
   +type: 'user',
   +userInfo: RelativeMemberInfo,
 };
 
-export type TypeaheadSuggestionItem = TypeaheadUserSuggestionItem;
+export type MentionTypeaheadSuggestionItem = MentionTypeaheadUserSuggestionItem;
 
 export type TypeaheadTooltipActionItem<SuggestionItemType> = {
   +key: string,
@@ -38,15 +38,15 @@
 
 // The simple-markdown package already breaks words out for us, and we are
 // supposed to only match when the first word of the input matches
-const markdownMentionRegex: RegExp = new RegExp(
+const markdownUserMentionRegex: RegExp = new RegExp(
   `^(@(${oldValidUsernameRegexString}))\\b`,
 );
 
-function isMentioned(username: string, text: string): boolean {
+function isUserMentioned(username: string, text: string): boolean {
   return new RegExp(`\\B@${username}\\b`, 'i').test(text);
 }
 
-const mentionsExtractionRegex = new RegExp(
+const userMentionsExtractionRegex = new RegExp(
   `\\B(@(${oldValidUsernameRegexString}))\\b`,
   'g',
 );
@@ -58,8 +58,8 @@
   return text.replace(/\\]/g, ']');
 }
 
-function extractMentionsFromText(text: string): string[] {
-  const iterator = text.matchAll(mentionsExtractionRegex);
+function extractUserMentionsFromText(text: string): string[] {
+  const iterator = text.matchAll(userMentionsExtractionRegex);
   return [...iterator].map(matches => matches[2]);
 }
 
@@ -77,12 +77,12 @@
   return null;
 }
 
-function getTypeaheadUserSuggestions(
+function getMentionTypeaheadUserSuggestions(
   userSearchIndex: SearchIndex,
   threadMembers: $ReadOnlyArray<RelativeMemberInfo>,
   viewerID: ?string,
   usernamePrefix: string,
-): $ReadOnlyArray<TypeaheadUserSuggestionItem> {
+): $ReadOnlyArray<MentionTypeaheadUserSuggestionItem> {
   const userIDs = userSearchIndex.getSearchResults(usernamePrefix);
   const usersInThread = threadOtherMembers(threadMembers, viewerID);
 
@@ -115,7 +115,7 @@
   return { newText, newSelectionStart };
 }
 
-function getMentionsCandidates(
+function getUserMentionsCandidates(
   threadInfo: ThreadInfo,
   parentThreadInfo: ?ThreadInfo,
 ): $ReadOnlyArray<RelativeMemberInfo> {
@@ -132,13 +132,13 @@
 }
 
 export {
-  markdownMentionRegex,
-  isMentioned,
-  extractMentionsFromText,
-  getTypeaheadUserSuggestions,
+  markdownUserMentionRegex,
+  isUserMentioned,
+  extractUserMentionsFromText,
+  getMentionTypeaheadUserSuggestions,
   getNewTextAndSelection,
   getTypeaheadRegexMatches,
-  getMentionsCandidates,
+  getUserMentionsCandidates,
   chatMentionRegex,
   decodeChatMentionText,
 };
diff --git a/lib/shared/messages/text-message-spec.js b/lib/shared/messages/text-message-spec.js
--- a/lib/shared/messages/text-message-spec.js
+++ b/lib/shared/messages/text-message-spec.js
@@ -40,7 +40,7 @@
   stripSpoilersFromNotifications,
   stripSpoilersFromMarkdownAST,
 } from '../markdown.js';
-import { isMentioned } from '../mention-utils.js';
+import { isUserMentioned } from '../mention-utils.js';
 import { notifTextsForSidebarCreation } from '../notif-utils.js';
 import {
   threadIsGroupChat,
@@ -213,7 +213,7 @@
 
       if (
         sourceMessage.type === messageTypes.TEXT &&
-        isMentioned(username, sourceMessage.text)
+        isUserMentioned(username, sourceMessage.text)
       ) {
         // If the notif target was already mentioned in the source message,
         // there's no need to update the notif
@@ -225,7 +225,7 @@
         messageInfo.type === messageTypes.TEXT,
         'messageInfo should be messageTypes.TEXT!',
       );
-      if (!isMentioned(username, messageInfo.text)) {
+      if (!isUserMentioned(username, messageInfo.text)) {
         // We only need to update the notif if the notif target is mentioned
         return null;
       }
diff --git a/lib/shared/notif-utils.js b/lib/shared/notif-utils.js
--- a/lib/shared/notif-utils.js
+++ b/lib/shared/notif-utils.js
@@ -2,7 +2,7 @@
 
 import invariant from 'invariant';
 
-import { isMentioned } from './mention-utils.js';
+import { isUserMentioned } from './mention-utils.js';
 import { robotextForMessageInfo } from './message-utils.js';
 import type { NotificationTextsParams } from './messages/message-spec.js';
 import { messageSpecs } from './messages/message-specs.js';
@@ -177,13 +177,13 @@
     username &&
     sidebarSourceMessageInfo &&
     sidebarSourceMessageInfo.sourceMessage.type === messageTypes.TEXT &&
-    isMentioned(username, sidebarSourceMessageInfo.sourceMessage.text)
+    isUserMentioned(username, sidebarSourceMessageInfo.sourceMessage.text)
   ) {
     body = ET`${body} that tagged you`;
   } else if (
     username &&
     firstSidebarMessageInfo &&
-    isMentioned(username, firstSidebarMessageInfo.text)
+    isUserMentioned(username, firstSidebarMessageInfo.text)
   ) {
     body = ET`${body} and tagged you`;
   } else if (initialName) {
diff --git a/lib/shared/thread-utils.js b/lib/shared/thread-utils.js
--- a/lib/shared/thread-utils.js
+++ b/lib/shared/thread-utils.js
@@ -9,7 +9,7 @@
 
 import { generatePendingThreadColor } from './color-utils.js';
 import { type ParserRules } from './markdown.js';
-import { extractMentionsFromText } from './mention-utils.js';
+import { extractUserMentionsFromText } from './mention-utils.js';
 import { getMessageTitle } from './message-utils.js';
 import { relationshipBlockedInEitherDirection } from './relationship-utils.js';
 import threadWatcher from './thread-watcher.js';
@@ -447,7 +447,7 @@
   threadInfo: ThreadInfo,
 ): Map<string, AccountUserInfo> {
   const memberMap = memberLowercaseUsernameMap(threadInfo.members);
-  const mentions = extractMentionsFromText(text);
+  const mentions = extractUserMentionsFromText(text);
 
   const mentionedMembers = new Map();
   for (const mention of mentions) {
diff --git a/native/chat/chat-input-bar.react.js b/native/chat/chat-input-bar.react.js
--- a/native/chat/chat-input-bar.react.js
+++ b/native/chat/chat-input-bar.react.js
@@ -37,10 +37,10 @@
 import { colorIsDark } from 'lib/shared/color-utils.js';
 import { useEditMessage } from 'lib/shared/edit-messages-utils.js';
 import {
-  getTypeaheadUserSuggestions,
+  getMentionTypeaheadUserSuggestions,
   getTypeaheadRegexMatches,
   type Selection,
-  getMentionsCandidates,
+  getUserMentionsCandidates,
 } from 'lib/shared/mention-utils.js';
 import {
   localIDPrefix,
@@ -130,7 +130,7 @@
 import { runTiming } from '../utils/animation-utils.js';
 import { exitEditAlert } from '../utils/edit-messages-utils.js';
 import {
-  nativeTypeaheadRegex,
+  nativeMentionTypeaheadRegex,
   mentionTypeaheadTooltipActions,
   mentionTypeaheadTooltipButtonRenderer,
 } from '../utils/typeahead-utils.js';
@@ -172,7 +172,7 @@
   +joinThread: (request: ClientThreadJoinRequest) => Promise<ThreadJoinPayload>,
   +inputState: ?InputState,
   +userSearchIndex: SearchIndex,
-  +mentionsCandidates: $ReadOnlyArray<RelativeMemberInfo>,
+  +userMentionsCandidates: $ReadOnlyArray<RelativeMemberInfo>,
   +parentThreadInfo: ?ThreadInfo,
   +editedMessagePreview: ?MessagePreviewResult,
   +editedMessageInfo: ?MessageInfo,
@@ -548,7 +548,7 @@
     const typeaheadRegexMatches = getTypeaheadRegexMatches(
       this.state.selectionState.text,
       this.state.selectionState.selection,
-      nativeTypeaheadRegex,
+      nativeMentionTypeaheadRegex,
     );
 
     let typeaheadTooltip = null;
@@ -559,9 +559,9 @@
         textPrefix: typeaheadRegexMatches[4] ?? '',
       };
 
-      const suggestedUsers = getTypeaheadUserSuggestions(
+      const suggestedUsers = getMentionTypeaheadUserSuggestions(
         this.props.userSearchIndex,
-        this.props.mentionsCandidates,
+        this.props.userMentionsCandidates,
         this.props.viewerID,
         typeaheadMatchedStrings.textPrefix,
       );
@@ -1260,7 +1260,7 @@
     parentThreadID ? threadInfoSelector(state)[parentThreadID] : null,
   );
 
-  const mentionsCandidates = getMentionsCandidates(
+  const userMentionsCandidates = getUserMentionsCandidates(
     props.threadInfo,
     parentThreadInfo,
   );
@@ -1298,7 +1298,7 @@
       joinThread={callJoinThread}
       inputState={inputState}
       userSearchIndex={userSearchIndex}
-      mentionsCandidates={mentionsCandidates}
+      userMentionsCandidates={userMentionsCandidates}
       parentThreadInfo={parentThreadInfo}
       editedMessagePreview={editedMessagePreview}
       editedMessageInfo={editedMessageInfo}
diff --git a/native/markdown/rules.react.js b/native/markdown/rules.react.js
--- a/native/markdown/rules.react.js
+++ b/native/markdown/rules.react.js
@@ -382,9 +382,9 @@
     ...baseRules,
     simpleMarkdownRules: {
       ...baseRules.simpleMarkdownRules,
-      mention: {
+      userMention: {
         ...SimpleMarkdown.defaultRules.strong,
-        match: SharedMarkdown.matchMentions(members),
+        match: SharedMarkdown.matchUserMentions(members),
         parse: (capture: SharedMarkdown.Capture) => ({
           content: capture[0],
         }),
diff --git a/native/utils/typeahead-utils.js b/native/utils/typeahead-utils.js
--- a/native/utils/typeahead-utils.js
+++ b/native/utils/typeahead-utils.js
@@ -8,7 +8,7 @@
   getNewTextAndSelection,
   type Selection,
   type TypeaheadTooltipActionItem,
-  type TypeaheadSuggestionItem,
+  type MentionTypeaheadSuggestionItem,
 } from 'lib/shared/mention-utils.js';
 import { stringForUserExplicit } from 'lib/shared/user-utils.js';
 
@@ -17,7 +17,7 @@
 
 // Native regex is a little bit different than web one as
 // there are no named capturing groups yet on native.
-const nativeTypeaheadRegex: RegExp = new RegExp(
+const nativeMentionTypeaheadRegex: RegExp = new RegExp(
   `((^(.|\n)*\\s+)|^)@(${oldValidUsernameRegexString})?$`,
 );
 
@@ -34,8 +34,8 @@
   text,
   textPrefix,
   focusAndUpdateTextAndSelection,
-}: TypeaheadTooltipActionsParams<TypeaheadSuggestionItem>): $ReadOnlyArray<
-  TypeaheadTooltipActionItem<TypeaheadSuggestionItem>,
+}: TypeaheadTooltipActionsParams<MentionTypeaheadSuggestionItem>): $ReadOnlyArray<
+  TypeaheadTooltipActionItem<MentionTypeaheadSuggestionItem>,
 > {
   const actions = [];
   for (const suggestion of suggestions) {
@@ -77,7 +77,7 @@
 function mentionTypeaheadTooltipButtonRenderer({
   item,
   styles,
-}: TypeaheadTooltipButtonRendererParams<TypeaheadSuggestionItem>): React.Node {
+}: TypeaheadTooltipButtonRendererParams<MentionTypeaheadSuggestionItem>): React.Node {
   let avatarComponent = null;
   let typeaheadTooltipButtonText = null;
   if (item.actionButtonContent.type === 'user') {
@@ -97,7 +97,7 @@
 }
 
 export {
-  nativeTypeaheadRegex,
+  nativeMentionTypeaheadRegex,
   mentionTypeaheadTooltipActions,
   mentionTypeaheadTooltipButtonRenderer,
 };
diff --git a/web/chat/chat-input-bar.react.js b/web/chat/chat-input-bar.react.js
--- a/web/chat/chat-input-bar.react.js
+++ b/web/chat/chat-input-bar.react.js
@@ -14,9 +14,9 @@
 import { threadInfoSelector } from 'lib/selectors/thread-selectors.js';
 import { userStoreSearchIndex } from 'lib/selectors/user-selectors.js';
 import {
-  getTypeaheadUserSuggestions,
+  getMentionTypeaheadUserSuggestions,
   getTypeaheadRegexMatches,
-  getMentionsCandidates,
+  getUserMentionsCandidates,
 } from 'lib/shared/mention-utils.js';
 import type { TypeaheadMatchedStrings } from 'lib/shared/mention-utils.js';
 import { localIDPrefix, trimMessage } from 'lib/shared/message-utils.js';
@@ -56,7 +56,7 @@
 import Multimedia from '../media/multimedia.react.js';
 import { useSelector } from '../redux/redux-utils.js';
 import { nonThreadCalendarQuery } from '../selectors/nav-selectors.js';
-import { webTypeaheadRegex } from '../utils/typeahead-utils.js';
+import { webMentionTypeaheadRegex } from '../utils/typeahead-utils.js';
 
 type BaseProps = {
   +threadInfo: ThreadInfo,
@@ -578,7 +578,7 @@
       parentThreadID ? threadInfoSelector(state)[parentThreadID] : null,
     );
 
-    const mentionsCandidates = getMentionsCandidates(
+    const userMentionsCandidates = getUserMentionsCandidates(
       props.threadInfo,
       parentThreadInfo,
     );
@@ -591,7 +591,7 @@
             start: props.inputState.textCursorPosition,
             end: props.inputState.textCursorPosition,
           },
-          webTypeaheadRegex,
+          webMentionTypeaheadRegex,
         ),
       [props.inputState.textCursorPosition, props.inputState.draft],
     );
@@ -612,11 +612,11 @@
       if (props.inputState.typeaheadState.keepUpdatingThreadMembers) {
         const setter = props.inputState.setTypeaheadState;
         setter({
-          frozenMentionsCandidates: mentionsCandidates,
+          frozenUserMentionsCandidates: userMentionsCandidates,
         });
       }
     }, [
-      mentionsCandidates,
+      userMentionsCandidates,
       props.inputState.setTypeaheadState,
       props.inputState.typeaheadState.keepUpdatingThreadMembers,
     ]);
@@ -626,15 +626,15 @@
         if (!typeaheadMatchedStrings) {
           return [];
         }
-        return getTypeaheadUserSuggestions(
+        return getMentionTypeaheadUserSuggestions(
           userSearchIndex,
-          props.inputState.typeaheadState.frozenMentionsCandidates,
+          props.inputState.typeaheadState.frozenUserMentionsCandidates,
           viewerID,
           typeaheadMatchedStrings.textPrefix,
         ).map(suggestion => suggestion.userInfo);
       }, [
         userSearchIndex,
-        props.inputState.typeaheadState.frozenMentionsCandidates,
+        props.inputState.typeaheadState.frozenUserMentionsCandidates,
         viewerID,
         typeaheadMatchedStrings,
       ]);
diff --git a/web/input/input-state-container.react.js b/web/input/input-state-container.react.js
--- a/web/input/input-state-container.react.js
+++ b/web/input/input-state-container.react.js
@@ -175,7 +175,7 @@
     typeaheadState: {
       canBeVisible: false,
       keepUpdatingThreadMembers: true,
-      frozenMentionsCandidates: [],
+      frozenUserMentionsCandidates: [],
       moveChoiceUp: null,
       moveChoiceDown: null,
       close: null,
diff --git a/web/input/input-state.js b/web/input/input-state.js
--- a/web/input/input-state.js
+++ b/web/input/input-state.js
@@ -42,7 +42,7 @@
 export type TypeaheadState = {
   +canBeVisible: boolean,
   +keepUpdatingThreadMembers: boolean,
-  +frozenMentionsCandidates: $ReadOnlyArray<RelativeMemberInfo>,
+  +frozenUserMentionsCandidates: $ReadOnlyArray<RelativeMemberInfo>,
   +moveChoiceUp: ?() => void,
   +moveChoiceDown: ?() => void,
   +close: ?() => void,
diff --git a/web/markdown/rules.react.js b/web/markdown/rules.react.js
--- a/web/markdown/rules.react.js
+++ b/web/markdown/rules.react.js
@@ -187,9 +187,9 @@
     ...baseRules,
     simpleMarkdownRules: {
       ...baseRules.simpleMarkdownRules,
-      mention: {
+      userMention: {
         ...SimpleMarkdown.defaultRules.strong,
-        match: SharedMarkdown.matchMentions(members),
+        match: SharedMarkdown.matchUserMentions(members),
         parse: (capture: SharedMarkdown.Capture) => ({
           content: capture[0],
         }),
diff --git a/web/utils/typeahead-utils.js b/web/utils/typeahead-utils.js
--- a/web/utils/typeahead-utils.js
+++ b/web/utils/typeahead-utils.js
@@ -14,7 +14,7 @@
 import css from '../chat/typeahead-tooltip.css';
 import Button from '../components/button.react.js';
 
-const webTypeaheadRegex: RegExp = new RegExp(
+const webMentionTypeaheadRegex: RegExp = new RegExp(
   `(?<textPrefix>(?:^(?:.|\n)*\\s+)|^)@(?<username>${oldValidUsernameRegexString})?$`,
 );
 
@@ -206,7 +206,7 @@
 }
 
 export {
-  webTypeaheadRegex,
+  webMentionTypeaheadRegex,
   getCaretOffsets,
   getTypeaheadTooltipActions,
   getTypeaheadTooltipButtons,