Surname Raiens (Раян 
, Райан , Раєн ) , in all the world, is a rare family name. The surname Raiens is characteristic of Bulgaria, where it is a rare surname, Kyrgyzstan, and Russia, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Russia, Ukraine, and Bulgaria. More frequently, Raiens is the forename as well as the last name.