Family name Рогай (Rogai 
, Rogay 
, Rogaj ) , around the world, is quite a rare last name. The surname Рогай is habitual in Italy, where it is quite a rare surname, Algeria, where it is a rare surname, and Argentina, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Italy, Algeria, and Brazil. Much less frequently, Рогай is the forename as well as the last name.