Cognomen Süden (Sudo 
, Suden 
, Syden 
) , in all the world, is quite a rare surname. The family name Süden is habitual in Cyprus, where it is quite a rare surname, Kuwait, where it is a rare surname, and Singapore. In absolute terms, it is the most numerous in Brazil, Japan, and the United States. Likewise, Süden is the forename as well as the last name.