Family name สะวงษ์ (สะวงษ์ 
) , in the entire world, is a very rare cognomen. The surname สะวงษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, สะวงษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สะวงษ์ | Thailand |