Across the world, Yoy (Yoy 
, Йоы 
) is a rare epicene forename. The given name Yoy is habitual in Egypt, where it is a rare dominantly feminine, but uncommonly boy's name, Algeria, where it is a rare masculine name, and Saudi Arabia. Not in comparison with a country's population, it most frequently occurs in Egypt, Indonesia, and Algeria. Also, Yoy is the last name as well as the forename.