@@ -0,0 +1,5 @@
+---
+'@clerk/ui': patch
+---
+
+Sign-in and sign-up identifier fields now set standard `autocomplete` tokens so browsers and password managers can offer email, name, and phone.
@@ -57,6 +57,11 @@ import {
   getSignUpAttributeFromIdentifier,
 } from './utils';
 
+function identifierAutoComplete(identifier: SignInStartIdentifier, webauthn: boolean): string {
+  const token = identifier === 'phone_number' ? 'tel' : identifier === 'email_address' ? 'email' : 'username';
+  return webauthn ? `${token} webauthn` : token;
+}
+
 const useAutoFillPasskey = () => {
   const [isSupported, setIsSupported] = useState(false);
   const { navigate } = useRouter();
@@ -671,7 +676,7 @@ function SignInStartInternal(): JSX.Element {
                           onActionClicked={switchToNextIdentifier}
                           {...identifierFieldProps}
                           autoFocus={shouldAutofocus}
-                          autoComplete={isWebAuthnAutofillSupported ? 'webauthn' : undefined}
+                          autoComplete={identifierAutoComplete(identifierAttribute, isWebAuthnAutofillSupported)}
                           isLastAuthenticationStrategy={isIdentifierLastAuthenticationStrategy}
                         />
                       </Form.ControlRow>
 
@@ -76,6 +76,37 @@ describe('SignInStart', () => {
       screen.getByText(/email address/i);
     });
 
+    it('sets autocomplete=email on an email-only identifier field', async () => {
+      const { wrapper } = await createFixtures(f => {
+        f.withEmailAddress();
+      });
+
+      render(<SignInStart />, { wrapper });
+      expect(screen.getByRole('textbox', { name: /email address/i })).toHaveAttribute('autocomplete', 'email');
+    });
+
+    it('sets autocomplete=username when email and username are both enabled', async () => {
+      const { wrapper } = await createFixtures(f => {
+        f.withEmailAddress();
+        f.withUsername();
+      });
+
+      render(<SignInStart />, { wrapper });
+      expect(screen.getByRole('textbox', { name: /email address or username/i })).toHaveAttribute(
+        'autocomplete',
+        'username',
+      );
+    });
+
+    it('sets autocomplete=tel on a phone identifier field', async () => {
+      const { wrapper } = await createFixtures(f => {
+        f.withPhoneNumber();
+      });
+
+      render(<SignInStart />, { wrapper });
+      expect(screen.getByRole('textbox', { name: /phone number/i })).toHaveAttribute('autocomplete', 'tel');
+    });
+
     it('enables login with username', async () => {
       const { wrapper } = await createFixtures(f => {
         f.withUsername();
@@ -131,6 +162,25 @@ describe('SignInStart', () => {
         screen.getByText('Use passkey instead');
       });
 
+      it('puts webauthn after the field name when passkey autofill is on', async () => {
+        const { wrapper } = await createFixtures(f => {
+          f.withEmailAddress();
+          f.withPasskey();
+          f.withPasskeySettings({
+            allow_autofill: true,
+            show_sign_in_button: false,
+          });
+        });
+
+        render(<SignInStart />, { wrapper });
+        await waitFor(() => {
+          expect(screen.getByRole('textbox', { name: /email address/i })).toHaveAttribute(
+            'autocomplete',
+            'email webauthn',
+          );
+        });
+      });
+
       it('enables login with passkey via autofill', async () => {
         const { wrapper, fixtures } = await createFixtures(f => {
           f.withEmailAddress();
 
@@ -59,13 +59,15 @@ export const SignUpForm = (props: SignUpFormProps) => {
                   {...formState.firstName.props}
                   isRequired={fields.firstName?.required}
                   isOptional={!fields.firstName?.required}
+                  autoComplete='given-name'
                 />
               )}
               {shouldShow('lastName') && (
                 <Form.PlainInput
                   {...formState.lastName.props}
                   isRequired={fields.lastName?.required}
                   isOptional={!fields.lastName?.required}
+                  autoComplete='family-name'
                 />
               )}
             </Form.ControlRow>
@@ -76,6 +78,7 @@ export const SignUpForm = (props: SignUpFormProps) => {
                 {...formState.username.props}
                 isRequired={fields.username?.required}
                 isOptional={!fields.username?.required}
+                autoComplete='username'
               />
             </Form.ControlRow>
           )}
@@ -86,6 +89,7 @@ export const SignUpForm = (props: SignUpFormProps) => {
                 isRequired={fields.emailAddress?.required}
                 isOptional={!fields.emailAddress?.required}
                 isDisabled={fields.emailAddress?.disabled}
+                autoComplete='email'
                 actionLabel={canToggleEmailPhone ? localizationKeys('signUp.start.actionLink__use_phone') : undefined}
                 onActionClicked={canToggleEmailPhone ? () => handleEmailPhoneToggle('phoneNumber') : undefined}
               />
@@ -97,6 +101,7 @@ export const SignUpForm = (props: SignUpFormProps) => {
                 {...formState.phoneNumber.props}
                 isRequired={fields.phoneNumber?.required}
                 isOptional={!fields.phoneNumber?.required}
+                autoComplete='tel'
                 actionLabel={canToggleEmailPhone ? localizationKeys('signUp.start.actionLink__use_email') : undefined}
                 onActionClicked={canToggleEmailPhone ? () => handleEmailPhoneToggle('emailAddress') : undefined}
               />
 
@@ -31,6 +31,21 @@ describe('SignUpStart', () => {
       screen.getByText('Email address');
     });
 
+    it('sets standard autocomplete tokens on sign-up fields', async () => {
+      const { wrapper } = await createFixtures(f => {
+        f.withEmailAddress({ required: true });
+        f.withPhoneNumber({ required: true });
+        f.withUsername({ required: true });
+        f.withName({ required: true });
+      });
+      render(<SignUpStart />, { wrapper });
+      expect(screen.getByRole('textbox', { name: 'First name' })).toHaveAttribute('autocomplete', 'given-name');
+      expect(screen.getByRole('textbox', { name: 'Last name' })).toHaveAttribute('autocomplete', 'family-name');
+      expect(screen.getByLabelText('Email address', { selector: 'input' })).toHaveAttribute('autocomplete', 'email');
+      expect(screen.getByLabelText('Phone number', { selector: 'input' })).toHaveAttribute('autocomplete', 'tel');
+      expect(screen.getByRole('textbox', { name: 'Username' })).toHaveAttribute('autocomplete', 'username');
+    });
+
     it('enables sign up with phone number', async () => {
       const { wrapper } = await createFixtures(f => {
         f.withPhoneNumber({ required: true });
-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'@clerk/ui': patch
 +---
++
 +Sign-in and sign-up identifier fields now set standard `autocomplete` tokens so browsers and password managers can offer email, name, and phone.