If you really want to change your username If you’re set on changing your username, there’s only one way to do it. You’ll need to delete your account and start from scratch. Just be warned ...

Snapchat lets users change their display name and username, though it's important to note the big differences and limitations between the two.

Here’s how to change your name, username and business page name on Facebook.

You can change your preassigned Reddit username. If you have already chosen your username, you can't change it — but you can create another account.