Surname Vanhphenh (Vanhphenh 
) , in the entire world, is a rare cognomen. The last name Vanhphenh is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname. Much less frequently, Vanhphenh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vanhphenh | Laos, United States |