- Must be 3-15 characters long
- Can’t contain spaces
- Must begin with a letter
- Can only contain letters, numbers, and the special characters hyphen ( - ), underscore ( _ ), and period ( . ), EXCEPT that the username:
- Can’t begin with a number, hyphen, underscore, or period
- Can’t end with a hyphen, underscore, or period
- Can’t contain emojis or other symbols such as @, $, #, etc.
- Will appear only in lower-case letters within the app
This page lists random Snapchat username suggestions, all of which are between 3 and 15 characters long.
If you want to use your own word in your username, you can use this username page, enter your own word and set the "length limit" field to 15, and then click on "get usernames".