In the entire world, Ilha (Illa 
, Ilha 
) is quite a common epicene forename. The first name Ilha is habitual in Libya, where it is quite a rare gender-neutral name, Cameroon, where it is quite a rare boy's name, and Indonesia, where it is a rare largely female, but seldom male name. In absolute terms, it is commonest in Indonesia, India, and the United States. More frequently, Ilha is the last name as well as the forename.