Cognomen สุสุวรรณ (Susuwan 
, สุสุวรรณ , Sousuwan ) , throughout the world, is a rare surname. The surname สุสุวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, สุสุวรรณ is the forename as well as the last name.