Family name วงค์สวาสดิ์ (วงค์สวาสดิ์ 
) , in the world, is an extremely rare cognomen. The last name วงค์สวาสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| วงค์สวาสดิ์ | Thailand |