Family name Somphouvieng (Somphouvieng 
) , in the world, is an extremely rare last name. The last name Somphouvieng is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much less frequently, Somphouvieng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Somphouvieng | United States |