Cognomen Somony (Somony 
) , worldwide, is an extremely rare last name. The surname Somony is characteristic of Cambodia, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and the United States. More prevalently, Somony is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Somony | Malaysia, Cambodia, United States, France, Brazil |