Globally, Reia (Reia 
, Рея 
, Рэя ) is a rare female first name. The first name Reia is characteristic of Barbados, where it is quite a rare girly name, Romania, where it is a rare female name, and Philippines. Not in comparison with a country's population, it is commonest in Philippines, Russia, and Indonesia. Likewise, Reia is the last name as well as the forename.