Family name วงศ์สวัสดิ์เวช (วงศ์สวัสดิ์เวช 
) , across the world, is a very rare surname. The cognomen วงศ์สวัสดิ์เวช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วงศ์สวัสดิ์เวช | Thailand |