Cognomen אודן (Oden 
, Auden 
, Ouden 
) , all over the world, is a common surname. The cognomen אודן is habitual in Netherlands, where it is quite a common surname, the United States, where it is quite a rare surname, and Estonia. Measured by absolute frequency, it is the most numerous in the United States, Netherlands, and Nigeria. Very seldom, אודן is the forename as well as the last name.