Surname Rayf (Раиф 
, Райф 
, Rayf 
) , around the world, is a rare cognomen. The last name Rayf is characteristic of Bulgaria, where it is a rare surname, Kyrgyzstan, and Morocco. Measured by absolute frequency, it is the most numerous in Russia, Bulgaria, and Morocco. More prevalently, Rayf is the forename as well as the last name.