Surname Sotskii (Соцкий 
, Sotskii ) , across the world, is a rare cognomen. The cognomen Sotskii is habitual in Belarus, where it is a rare surname, Russia, and Kazakhstan, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Eastern Europe, particularly Russia, Belarus, and Ukraine. Much less frequently, Sotskii is the forename as well as the last name.