Cognomen Йехун (Jehun 
, Йехун 
, Jexun 
) , across the world, is a rare family name. The cognomen Йехун is characteristic of Georgia, where it is quite a rare surname, South Korea, where it is a rare surname, and Venezuela, where it is an extremely rare surname. In absolute terms, it most frequently occurs in South Korea, Georgia, and Mexico. Likewise, Йехун is the forename as well as the last name.