Cognomen Рокан (Rokkan 
, Рокан 
) , all over the world, is a rare surname. The family name Рокан is habitual in Norway, where it is quite a rare surname, Poland, where it is a very rare surname, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Norway, Poland, and the United States. Much less frequently, Рокан is the forename as well as the last name.