Surname Yahun (Yahun 
, Ягун 
) , in all the world, is a rare last name. The cognomen Yahun is habitual in Malaysia, where it is a rare surname, Ukraine, where it is a very rare surname, and Russia, where it is an extremely rare surname. In absolute terms, the name is most common in Malaysia, Ukraine, and Nigeria. Also, Yahun is the forename as well as the last name.