Cognomen Chopiak (Chopiak 
, Шопяк 
, Чопяк ) , in all the world, is a rare family name. The family name Chopiak is characteristic of Ukraine, where it is a rare surname, Kazakhstan, and Poland, where it is a very rare surname. In absolute terms, it most frequently occurs in Eastern Europe, particularly Ukraine, Russia, and Poland. Very seldom, Chopiak is the forename as well as the last name.