Last name Bygar (Bygar 
, Бигар 
) , across the world, is a rare surname. The family name Bygar is habitual in Eastern Europe, particularly Ukraine, where it is a rare surname, Poland, and Belarus, where it is a very rare surname. In absolute terms, this name is the most popular in Eastern Europe, particularly Ukraine, Russia, and Poland. Very seldom, Bygar is the forename as well as the last name.