Surname Phetvilay (Phetvilay 
) , globally, is a rare family name. The surname Phetvilay is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname. Also, Phetvilay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phetvilay | Laos, United States, Thailand |