Across the world, Aygyun (Айгюн 
, Аыгюн , Айгюнь 
) is a rare predominantly girly, but scarcely masculine first name. The forename Aygyun is habitual in Azerbaijan, where it is quite a rare female name, Bulgaria, where it is a rare masculine name, and Russia, where it is a rare girly name. Much less frequently, Aygyun is the last name as well as the forename.