Across the world, היון (Hyun 
, Hyeon 
, Hyon ) is quite a common gender-neutral given name. The first name היון is habitual in the United States, where it is quite a rare dominantly girly, but uncommonly boy's name, Mongolia, where it is quite a rare feminine name, and South Korea, where it is quite a rare mostly female, but seldom male name. In absolute terms, it most frequently occurs in the United States, South Korea, and China. Also, היון is the last name as well as the forename.