Cognomen Раун (Ravn 
, Раун 
) , in the world, is quite a common last name. The surname Раун is characteristic of Northern Europe, particularly Denmark, where it is quite a common surname, Norway, where it is quite a rare surname, and Latvia. In absolute terms, the name is most common in Northern Europe, particularly Denmark, Norway, and Sweden. Very seldom, Раун is the forename as well as the last name.