Family name Пирц (Pyrz 
, Pirc 
, Пирц 
) , across the world, is quite a rare surname. The surname Пирц is habitual in Slovenia, where it is a common surname, Croatia, where it is quite a rare surname, and Poland. Not in comparison with a country's population, it is the most numerous in Slovenia, Poland, and the United States. Very seldom, Пирц is the forename as well as the last name.