Cognomen Krutskiy (Krutskiy 
, Круцкий 
, Крутский ) , around the world, is a rare last name. The cognomen Krutskiy is habitual in Kazakhstan, where it is a rare surname, Russia, and Kyrgyzstan, where it is a very rare surname. Much less frequently, Krutskiy is the forename as well as the last name.