Last name วงศสวัสดิ์ (วงศสวัสดิ์ 
) , across the world, is a very rare cognomen. The surname วงศสวัสดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, วงศสวัสดิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วงศสวัสดิ์ | Thailand |