Family name أوسن (Aasen 
, أوسن) , in the entire world, is quite a common last name. The last name أوسن is characteristic of Norway, where it is a common surname, Canada, where it is a rare surname, and Sweden. Not in comparison with a country's population, it is commonest in Norway, the United States, and Canada. Very seldom, أوسن is the forename as well as the last name.