Cognomen พนาวงษ์ (พนาวงษ์ 
, Panavong 
) , in all the world, is a very rare family name. The cognomen พนาวงษ์ is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พนาวงษ์ | Thailand |
| Panavong | United States, Thailand |