Around the world, איאון (Eion 
, איאון 
) is a rare predominantly male, but very seldom girly first name. The first name איאון is habitual in the United Kingdom, where it is a very rare predominantly male, but scarcely feminine name, South Africa, where it is a very rare male name, and Australia. Measured by absolute frequency, this name is the most popular in the United States, the United Kingdom, and South Africa. Much less frequently, איאון is the last name as well as the forename.