Family name Petchvilai (Petchvilai 
) , in the world, is an extremely rare cognomen. The family name Petchvilai is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Petchvilai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Petchvilai | Australia, Thailand |
Berge, and Noppornpanth