Last name Бартак (Bartok 
, Бартак 
) , all around the world, is quite a rare cognomen. The surname Бартак is habitual in Eastern Europe, particularly Hungary, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Romania. In absolute terms, this name is the most popular in Hungary, the United States, and Romania. Very seldom, Бартак is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bartok | Romania, Hungary, United States, Canada, Slovakia |
| Бартак | Ukraine |