Surname สุวรรณ์ (สุวรรณ์ 
, Suwan 
, Suwran ) , in the entire world, is a common last name. The cognomen สุวรรณ์ is habitual in Thailand, where it is quite a common surname, Trinidad and Tobago, where it is quite a rare surname, and Libya. In absolute terms, the name is most common in Thailand, Indonesia, and United Arab Emirates. Likewise, สุวรรณ์ is the forename as well as the last name.