Cognomen Bersnak (Bersnak 
) , all over the world, is a very rare family name. The cognomen Bersnak is habitual in Spain, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Bersnak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bersnak | United States, Spain |