In the entire world, Vain (Vain 
, Vein , Вайн 
) is a rare epicene forename. The first name Vain is characteristic of Israel, where it is a rare mostly girly, but infrequently masculine name, Iraq, where it is a rare girly name, and Indonesia, where it is a very rare masculine name. In absolute terms, it is the most numerous in India, Indonesia, and Iraq. More frequently, Vain is the last name as well as the forename.