Cognomen Yerilin (Yerilin 
, Ерилин 
) , all over the world, is a rare surname. The cognomen Yerilin is habitual in Russia, where it is a rare surname, Belarus, and Kazakhstan, where it is a very rare surname. In absolute terms, it is commonest in Russia, Venezuela, and Belarus. Much less frequently, Yerilin is the forename as well as the last name.