Open Facebook and log in to your account
Click your profile picture or name to go to your profile
Look at the URL in your browser’s address bar
Your username is the part after facebook.com/ in the profile link
If the URL shows a custom name, that is your Facebook username
On the Facebook app, tap your profile and check the profile link in the browser or share options
Go to Settings and privacy
Open Settings
Select Accounts Center or Personal details
Check your profile information for your username or profile link
If you use a Page, open the Page and check its Page link for the username
If you cannot find it, use Facebook Help Center to search for username information