Family name Фир (Фир 
) , all around the world, is a very rare cognomen. The cognomen Фир is habitual in Kazakhstan, where it is a very rare surname, Ukraine, where it is an extremely rare surname, and Russia. Very seldom, Фир is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Фир | Kazakhstan, Ukraine, Russia |