Cognomen Raikul (Райкуль 
, Райкул , Raikul 
) , around the globe, is a rare family name. The surname Raikul is habitual in Kyrgyzstan, where it is quite a rare surname, Kazakhstan, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Raikul is the forename as well as the last name.