Surname Sopheng (Sopheng 
) , around the world, is a very rare last name. The cognomen Sopheng is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname, and Thailand, where it is an extremely rare surname. More prevalently, Sopheng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sopheng | United States, Cambodia, Thailand, South Africa |