Last name Kitsin (Kitsin 
, Кіцин 
) , in the entire world, is a rare surname. The surname Kitsin is habitual in Thailand, where it is a rare surname, Ukraine, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. In absolute terms, it is the most numerous in Thailand, Ukraine, and Russia. Very seldom, Kitsin is the forename as well as the last name.