diff --git a/lib/shared/search-utils.js b/lib/shared/search-utils.js
--- a/lib/shared/search-utils.js
+++ b/lib/shared/search-utils.js
@@ -2,7 +2,8 @@
 
 import * as React from 'react';
 
-import { messageID } from './id-utils.js';
+import { useGetFarcasterDirectCastUsers } from './farcaster/farcaster-api.js';
+import { messageID, userIDFromFID } from './id-utils.js';
 import SearchIndex from './search-index.js';
 import {
   getContainingThreadID,
@@ -421,12 +422,14 @@
 
 type UseSearchUsersOptions = {
   +includeViewer?: ?boolean,
+  +searchFarcaster?: ?boolean,
 };
 function useSearchUsers(
   usernameInputText: string,
   options?: ?UseSearchUsersOptions,
 ): $ReadOnlyArray<GlobalAccountUserInfo> {
   const includeViewer = !!options?.includeViewer;
+  const searchFarcaster = options?.searchFarcaster ?? true;
   const currentUserID = useSelector(
     state => state.currentUserInfo && state.currentUserInfo.id,
   );
@@ -453,6 +456,8 @@
     sendPrefixQuery: callIdentitySearchUsers,
   } = useIdentitySearch();
 
+  const findFarcasterDCUsers = useGetFarcasterDirectCastUsers();
+
   const dispatchActionPromise = useDispatchActionPromise();
 
   React.useEffect(() => {
@@ -461,6 +466,7 @@
       return;
     }
     const searchUsersPromise = (async () => {
+      const foundInfos: Array<GlobalAccountUserInfo> = [];
       if (identitySearchSocketConnected) {
         try {
           const identitySearchResult = await callIdentitySearchUsers(
@@ -471,12 +477,40 @@
             username: user.username,
             avatar: null,
           }));
-          setSearchResultsFromServer(userInfos);
-          return;
+          foundInfos.push(...userInfos);
+          // setSearchResultsFromServer(userInfos);
+          // return;
+        } catch (err) {
+          console.error(err);
+        }
+      }
+
+      if (searchFarcaster) {
+        try {
+          const fcSearchResult = await findFarcasterDCUsers({
+            q: forwardLookupSearchText,
+            limit: 10,
+          });
+          const userInfos = fcSearchResult.result.users.map(fcUser => ({
+            id: userIDFromFID(fcUser.fid.toString()),
+            username: fcUser.username ?? 'N/A',
+            avatar: fcUser.pfp
+              ? {
+                  type: 'image',
+                  uri: fcUser.pfp.url,
+                }
+              : null,
+          }));
+          foundInfos.push(...userInfos);
         } catch (err) {
           console.error(err);
         }
       }
+
+      if (foundInfos.length > 0) {
+        setSearchResultsFromServer(foundInfos);
+        return;
+      }
       const { userInfos: keyserverSearchResult } =
         await callLegacyAshoatKeyserverSearchUsers(forwardLookupSearchText);
       setSearchResultsFromServer(keyserverSearchResult);
@@ -489,6 +523,8 @@
     identitySearchSocketConnected,
     dispatchActionPromise,
     forwardLookupSearchText,
+    findFarcasterDCUsers,
+    searchFarcaster,
   ]);
   return searchResults;
 }