Family name Firsten (Firsten 
) , across the world, is a very rare surname. The surname Firsten is habitual in Canada, where it is a very rare surname, the United States, where it is an extremely rare surname, and the United Kingdom. Very seldom, Firsten is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Firsten | Canada, Philippines, Spain, United Kingdom, United States |