Cognomen Vongsouna (Vongsouna 
) , globally, is a rare family name. The last name Vongsouna is habitual in Laos, where it is quite a rare surname, Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vongsouna | United States, Thailand, Laos |