Cognomen Bounyong (Bounyong 
) , in all the world, is a rare family name. The surname Bounyong is habitual in Laos, where it is quite a rare surname, and the United States, where it is an extremely rare surname. More prevalently, Bounyong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bounyong | France, United States, Thailand, Laos, Canada |