Cognomen Raian (Raian 
, Раян 
, Райан ) , throughout the world, is quite a rare surname. The surname Raian is characteristic of Bangladesh, where it is quite a rare surname, Egypt, where it is a rare surname, and Morocco. In absolute terms, this name is the most popular in Bangladesh, Egypt, and India. More prevalently, Raian is the forename as well as the last name.