Worldwide, エイヤ (Eija 
, エイヤ 
) is quite a rare primarily girly, but scarcely boy's first name. The given name エイヤ is characteristic of Finland, where it is quite a common girly name, Sweden, where it is quite a rare girly name, and Malaysia, where it is a rare girly name. Very seldom, エイヤ is the last name as well as the forename.