Globally, Айун (Ayun 
, Айун 
) is quite a rare gender-neutral first name. The first name Айун is habitual in Indonesia, where it is quite a rare epicene name, Albania, where it is a rare male name, and Hong Kong, where it is a rare girly name. In absolute terms, it is commonest in Indonesia, India, and Nigeria. Also, Айун is the last name as well as the forename.