Family name ハウン (Haun 
, ハウン 
) , all over the world, is a common cognomen. The cognomen ハウン is habitual in Malaysia, where it is quite a rare surname, Germany, and Austria. Not in comparison with a country's population, it is the most numerous in the United States, Malaysia, and Germany. Much less frequently, ハウン is the forename as well as the last name.