How can i change my facebook username

You can customize the web address for your profile by choosing a username. Before updating your username, we encourage you to learn about our username guidelines.

To change your username:

1. Click  at the top right of any Facebook page and select Settings.
2. Click Username.
3. Enter your new username and your password, then click Save Changes.

Usernames must consist of alphanumeric characters (a–z, 0–9) or periods (".").

Page admins can also change the user name for Pages they support. Learn how to change your Page's username.