Throughout the world, Jaia (Jaia 
) is a rare epicene first name. The given name Jaia is characteristic of Guinea-Bissau, where it is quite a rare male name, Senegal, where it is a rare masculine name, and Argentina, where it is a very rare female name. Measured by absolute frequency, this name is the most popular in India, Guinea-Bissau, and Senegal. Very seldom, Jaia is the last name as well as the forename.
Jaia is also a name for the fictitious and mythical characters: .