how can i edit my name on facebook

 click on https://m.facebook.com/help 

to get help from Facebook help desk

How do I change my name?

To change your name on Facebook:

1. Scroll to the bottom of Facebook and click Settings & Privacy.
2. Click General > Name.
3. Enter your name and click Review Change.
4. Enter your password and click Save Changes.

If you're having trouble changing your name, please let us know. Keep in mind, you can only change your name every 60 days.