Cognomen Xosanavongsa (Xosanavongsa 
) , worldwide, is a rare surname. The surname Xosanavongsa is characteristic of Laos, where it is quite a rare surname, France, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Xosanavongsa | Laos, France, United States |