How to change your Facebook username, and help others better identify your profile or page

You can change your Facebook username for a profile or page in a few quick steps, but once it's changed, you can never go back to a previous one.
Your Facebook username is not the same as your Facebook display name, which is the name that appears on your posts and when you're tagged.
A Facebook username appears in the URL of your Facebook account and helps others find you on the social media platform, and it creates a unique, direct link to your Facebook page.
If you manage Facebook pages for a business, nonprofit, band, or any other purpose, you can help people find the page with a thoughtfully created username.
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Unlike the name that displays on your Facebook page — your display name, in other words — a Facebook username operates relatively unseen in the background. Facebook usernames are designed to help users find the people or pages they seek among the billions of profiles and Facebook pages that amount to this massive social media platform.

And when you create a link that uses your Facebook username, you can send it along to anyone, letting them immediately find your profile or page. Facebook usernames help cut through the clutter of all those many names.

Think of it like this: finding the Facebook account of your new friend John Smith is like finding a needle in a haystack in a field full of haystacks. Finding the Facebook page of John.Smith.314159 is going to be a bit easier. Especially if John has sent you the link to http://bit.ly/2WveFVS.

Facebook automatically assigns a username when you create an account, and it's likely nothing inspired, just your name and a bunch of numbers.

If you want to change your Facebook username, or change the username of a Facebook page you manage, do it with care: once you change your current username, you can't go back to a previous one, as each unique username can only be used once.