Last name بيلاك (Pelak 
, Bilac 
, بيلاك) , across the world, is quite a rare cognomen. The family name بيلاك is characteristic of Czechia, where it is quite a rare surname, Slovenia, where it is a rare surname, and Slovakia. Not in comparison with a country's population, it is the most numerous in the United States, Brazil, and Poland. Very seldom, بيلاك is the forename as well as the last name.