Cognomen Belyj (Белый 
, Belyj 
, Білий ) , in all the world, is a common last name. The cognomen Belyj is characteristic of Eastern Europe, particularly Belarus, where it is quite a common surname, Ukraine, and Moldova, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Eastern Europe, particularly Ukraine, Russia, and Belarus.