Family name Боссак (Боссак 
) , across the world, is a very rare surname. The family name Боссак is characteristic of Kazakhstan, where it is a very rare surname, Ukraine, and Russia, where it is an extremely rare surname. Very seldom, Боссак is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Боссак | Kazakhstan, Russia, Ukraine |