In all the world, Reyo (Reyo 
) is a rare mostly masculine, but uncommonly girly forename. The first name Reyo is habitual in Saudi Arabia, where it is a rare masculine name, Philippines, where it is a very rare dominantly male, but seldom feminine name, and Egypt, where it is a very rare masculine name. Not in comparison with a country's population, it is the most numerous in Philippines, Indonesia, and Egypt. Also, Reyo is the last name as well as the forename.