Cognomen Щин (Schin 
, Shhin 
, Щин 
) , in the entire world, is quite a rare last name. The family name Щин is characteristic of Hungary, where it is a rare surname, Slovakia, and Uruguay. Measured by absolute frequency, the name is most common in Russia, South Korea, and Germany. More prevalently, Щин is the forename as well as the last name.