Surname Yashyn (Яшин 
, Yashyn 
) , around the world, is a common cognomen. The last name Yashyn is characteristic of Eastern Europe, particularly Russia, where it is quite a common surname, Belarus, where it is quite a rare surname, and Ukraine. In absolute terms, this name is the most popular in Russia, Ukraine, and Kazakhstan. Much less frequently, Yashyn is the forename as well as the last name.