Surname Viengpheth (Viengpheth 
) , globally, is an extremely rare family name. Predominantly, Viengpheth is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Viengpheth | Laos, United States, Canada |
Sphapmixay, Sivilay, Souryachak, Anouvongs, Phonngavong, and Phanthanourak