Around the globe, Iaio (Iaio 
) is a very rare epicene first name. The first name Iaio is characteristic of Southern Europe, particularly Italy, where it is a very rare male name. Much less frequently, Iaio is the last name as well as the forename.
Zumba, Mazzoni, Bessone, Pizarro, Schvartz, Settantatre, and Compagnoni