Surname Sommanivong (Sommanivong 
) , around the world, is a rare last name. The cognomen Sommanivong is characteristic of Laos, where it is quite a rare surname, and France, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sommanivong | Laos, France |
Jean, Kinoi, Sengphet, and Soukdavanh