Cognomen Phetnakhone (Phetnakhone 
) , in the entire world, is a very rare surname. The family name Phetnakhone is habitual in Laos, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Also, Phetnakhone is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phetnakhone | Laos, United States |