Cognomen Ristan (Ristan 
, Ристан 
) , globally, is a rare last name. The cognomen Ristan is habitual in Norway, where it is a rare surname, Bulgaria, and Indonesia, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Indonesia, Russia, and Norway. Likewise, Ristan is the forename as well as the last name.