Family name สุขวรรณ (Sukhwan 
, Sukwan 
, สุขวรรณ ) , across the world, is quite a rare last name. The cognomen สุขวรรณ is habitual in Thailand, where it is a rare surname, South Korea, and Indonesia, where it is a very rare surname. Likewise, สุขวรรณ is the forename as well as the last name.