Family name Phiouphanh (Phiouphanh 
) , in the world, is a rare last name. The surname Phiouphanh is habitual in Laos, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Phiouphanh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phiouphanh | Laos, France, United States |