Family name សុំវ៉ាង (សុំវ៉ាង 
) , in the world, is an extremely rare surname. The cognomen សុំវ៉ាង is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname. More prevalently, សុំវ៉ាង is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| សុំវ៉ាង | Cambodia |