Can you change facebook username?

[Iconic Incarnation]

The bit after facebook.com/(here) ?

[Daniel]

If you Set your Username Already you Can Not Change it Again if you haveint Set One yet Than Go To Account Settings Than Where it Says Username Hit Change and you Can Set a Username

[Jeanne]

You can change if you dont changed it before

[Angeleyes]

Go to your account settings and click at username, click change, then change to new username.

[Hamimu]

You can just do, if you didn't before.