Cognomen Somsihapanya (Somsihapanya 
) , around the world, is a rare last name. The cognomen Somsihapanya is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Somsihapanya | Laos |
Souchinda, and Douangkesone