In the entire world, Riy (Riy 
, Рий 
) is a rare mostly boy's, but seldom feminine first name. The first name Riy is habitual in Algeria, where it is a rare mostly male, but seldom feminine name, Saudi Arabia, where it is a rare epicene name, and Tunisia, where it is a rare masculine name. In absolute terms, it is commonest in Algeria, Indonesia, and Saudi Arabia. Also, Riy is the last name as well as the forename.