Surname วงศ์สวาสดิ์ (วงศ์สวาสดิ์ 
) , worldwide, is a rare family name. The last name วงศ์สวาสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, วงศ์สวาสดิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วงศ์สวาสดิ์ | Thailand |