Cognomen Somphanthabansouk (Somphanthabansouk 
) , around the world, is a rare surname. The last name Somphanthabansouk is characteristic of Laos, where it is quite a rare surname, Canada, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Somphanthabansouk | Laos, United States, Canada |