diff --git a/src/components/HTMLEngineProvider/HTMLRenderers/MentionUserRenderer.tsx b/src/components/HTMLEngineProvider/HTMLRenderers/MentionUserRenderer.tsx
index 46943dff4b26d..fac38983df185 100644
--- a/src/components/HTMLEngineProvider/HTMLRenderers/MentionUserRenderer.tsx
+++ b/src/components/HTMLEngineProvider/HTMLRenderers/MentionUserRenderer.tsx
@@ -58,6 +58,11 @@ function MentionUserRenderer({style, tnode, TDefaultRenderer, currentUserPersona
         accountID = getAccountIDsByLogins([mentionDisplayText])?.at(0) ?? -1;
         navigationRoute = ROUTES.PROFILE.getRoute(accountID, Navigation.getReportRHPActiveRoute(), mentionDisplayText);
         mentionDisplayText = Str.removeSMSDomain(mentionDisplayText);
+    } else if (!isEmpty(htmlAttribAccountID)) {
+        // accountID not found in personal details and mention data not provided
+        accountID = parseInt(htmlAttribAccountID, 10);
+        mentionDisplayText = getDisplayNameOrDefault();
+        navigationRoute = ROUTES.PROFILE.getRoute(accountID, Navigation.getReportRHPActiveRoute());
     } else {
         // If neither an account ID or email is provided, don't render anything
         return null;
diff --git a/tests/unit/MentionUserRendererTest.tsx b/tests/unit/MentionUserRendererTest.tsx
index f0052ecd0f360..e134777bbf855 100644
--- a/tests/unit/MentionUserRendererTest.tsx
+++ b/tests/unit/MentionUserRendererTest.tsx
@@ -8,8 +8,11 @@ import OnyxListItemProvider from '@components/OnyxListItemProvider';
 import {ShowContextMenuContext} from '@components/ShowContextMenuContext';
 import type {WithCurrentUserPersonalDetailsProps} from '@components/withCurrentUserPersonalDetails';
 import Navigation from '@libs/Navigation/Navigation';
+import CONST from '@src/CONST';
+import IntlStore from '@src/languages/IntlStore';
 import ROUTES from '@src/ROUTES';
 import type {PersonalDetails} from '@src/types/onyx';
+import {translateLocal} from '../utils/TestHelper';
 
 // Mock Navigation to avoid actual navigation calls
 jest.mock('@libs/Navigation/Navigation', () => ({
@@ -134,6 +137,7 @@ function buildTNode({accountID, data}: {accountID?: string; data?: string}): TTe
 describe('MentionUserRenderer', () => {
     beforeEach(() => {
         mockPersonalDetails = {};
+        IntlStore.load(CONST.LOCALES.DEFAULT);
         jest.clearAllMocks();
     });
 
@@ -188,6 +192,13 @@ describe('MentionUserRenderer', () => {
         expect(toJSON()).toBeNull();
     });
 
+    test('renders @Hidden when accountID not found in personal details and mention data not provided', () => {
+        mockPersonalDetails = {};
+        const tnode = buildTNode({accountID: '203'});
+        renderMention({tnode});
+        expect(screen.getByText(`@${translateLocal('common.hidden')}`)).toBeVisible();
+    });
+
     test('navigates to user profile when pressed with accountID', () => {
         mockPersonalDetails = {
             103: {login: 'john@example.com', displayName: 'John Doe'},