All around the world, Hadun (Hadun 
, Хадун 
) is a rare epicene forename. The given name Hadun is characteristic of Turkey, where it is a very rare principally girly, but scarcely male name, Indonesia, where it is a very rare masculine name, and Philippines, where it is an extremely rare boy's name. In absolute terms, it is commonest in Indonesia, India, and Turkey. More frequently, Hadun is the last name as well as the forename.