Family name Перек (Perek 
, Perec 
, Перек 
) , throughout the world, is quite a rare surname. The cognomen Перек is characteristic of Croatia, where it is quite a rare surname, Poland, and Slovenia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Poland, Turkey, and the United States. Likewise, Перек is the forename as well as the last name.