All over the world, Fiia (Fiia 
, Фия 
) is a rare mostly girly, but seldom boy's first name. The first name Fiia is habitual in Oman, where it is a rare feminine name, Finland, and Romania, where it is a rare male name. In absolute terms, it is the most numerous in Indonesia, Russia, and Romania. Very seldom, Fiia is the last name as well as the forename.