Across the world, אוסן (Oseen 
, Aasen 
, אוסן 
) is a rare epicene first name. The forename אוסן is habitual in Nigeria, where it is a very rare epicene name, India, where it is an extremely rare unisex name, and China, where it is an extremely rare male name. Much more frequently, אוסן is the last name as well as the forename.