Cognomen Зых (Zych 
, Зых 
) , across the world, is a common surname. The surname Зых is characteristic of Poland, where it is quite a common surname, Czechia, where it is quite a rare surname, and Albania, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Poland, the United States, and Czechia. Likewise, Зых is the forename as well as the last name.