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
@@ -8,6 +8,7 @@
 import {
   type ThreadInfo,
   type RelativeMemberInfo,
+  type ResolvedThreadInfo,
 } from '../types/thread-types.js';
 import { idSchemaRegex } from '../utils/validation-utils.js';
 
@@ -26,7 +27,14 @@
   +userInfo: RelativeMemberInfo,
 };
 
-export type MentionTypeaheadSuggestionItem = MentionTypeaheadUserSuggestionItem;
+type MentionTypeaheadChatSuggestionItem = {
+  +type: 'chat',
+  +threadInfo: ResolvedThreadInfo,
+};
+
+export type MentionTypeaheadSuggestionItem =
+  | MentionTypeaheadUserSuggestionItem
+  | MentionTypeaheadChatSuggestionItem;
 
 export type TypeaheadTooltipActionItem<SuggestionItemType> = {
   +key: string,
@@ -60,6 +68,10 @@
   return text.replace(/\\]/g, ']');
 }
 
+function getRawChatMention(threadInfo: ResolvedThreadInfo): string {
+  return `@[[${threadInfo.id}:${encodeChatMentionText(threadInfo.uiName)}]]`;
+}
+
 function extractUserMentionsFromText(text: string): string[] {
   const iterator = text.matchAll(userMentionsExtractionRegex);
   return [...iterator].map(matches => matches[2]);
@@ -144,4 +156,5 @@
   chatMentionRegex,
   encodeChatMentionText,
   decodeChatMentionText,
+  getRawChatMention,
 };
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
@@ -69,11 +69,11 @@
 } from 'lib/types/message-types.js';
 import type { Dispatch } from 'lib/types/redux-types.js';
 import { threadPermissions } from 'lib/types/thread-permission-types.js';
-import {
-  type ThreadInfo,
-  type ClientThreadJoinRequest,
-  type ThreadJoinPayload,
-  type RelativeMemberInfo,
+import type {
+  ThreadInfo,
+  ClientThreadJoinRequest,
+  ThreadJoinPayload,
+  RelativeMemberInfo,
 } from 'lib/types/thread-types.js';
 import { type UserInfos } from 'lib/types/user-types.js';
 import {
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
@@ -5,6 +5,7 @@
 import { oldValidUsernameRegexString } from 'lib/shared/account-utils.js';
 import {
   getNewTextAndSelection,
+  getRawChatMention,
   type Selection,
   type TypeaheadTooltipActionItem,
   type MentionTypeaheadSuggestionItem,
@@ -24,6 +25,24 @@
   +query: string,
   +focusAndUpdateTextAndSelection: (text: string, selection: Selection) => void,
 };
+function mentionTypeaheadTooltipActionExecuteHandler({
+  textBeforeAtSymbol,
+  text,
+  query,
+  mentionText,
+  focusAndUpdateTextAndSelection,
+}) {
+  const { newText, newSelectionStart } = getNewTextAndSelection(
+    textBeforeAtSymbol,
+    text,
+    query,
+    mentionText,
+  );
+  focusAndUpdateTextAndSelection(newText, {
+    start: newSelectionStart,
+    end: newSelectionStart,
+  });
+}
 function mentionTypeaheadTooltipActions({
   suggestions,
   textBeforeAtSymbol,
@@ -44,23 +63,37 @@
       const mentionText = `@${resolvedUsername}`;
       actions.push({
         key: userInfo.id,
-        execute: () => {
-          const { newText, newSelectionStart } = getNewTextAndSelection(
+        execute: () =>
+          mentionTypeaheadTooltipActionExecuteHandler({
             textBeforeAtSymbol,
             text,
             query,
             mentionText,
-          );
-          focusAndUpdateTextAndSelection(newText, {
-            start: newSelectionStart,
-            end: newSelectionStart,
-          });
-        },
+            focusAndUpdateTextAndSelection,
+          }),
         actionButtonContent: {
           type: 'user',
           userInfo,
         },
       });
+    } else if (suggestion.type === 'chat') {
+      const { threadInfo } = suggestion;
+      const mentionText = getRawChatMention(threadInfo);
+      actions.push({
+        key: threadInfo.id,
+        execute: () =>
+          mentionTypeaheadTooltipActionExecuteHandler({
+            textBeforeAtSymbol,
+            text,
+            query,
+            mentionText,
+            focusAndUpdateTextAndSelection,
+          }),
+        actionButtonContent: {
+          type: 'chat',
+          threadInfo,
+        },
+      });
     }
   }
   return actions;