Cognomen วงษ์สวาสดิ์ (วงษ์สวาสดิ์ 
) , in all the world, is a very rare family name. The last name วงษ์สวาสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วงษ์สวาสดิ์ | Thailand |