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Cognomen Klun (Clown
, Klun
, Клун
) , globally, is quite a rare last name. The surname Klun is habitual in Slovenia, where it is quite a common surname, Croatia, where it is quite a rare surname, and Bulgaria, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Slovenia, the United States, and Indonesia. Much less frequently, Klun is the forename as well as the last name.