Cognomen Vongvasana (Vongvasana 
) , in all the world, is a very rare surname. The surname Vongvasana is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Vongvasana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vongvasana | United States, Thailand |