Cognomen สงสวัสดิ์ (สงสวัสดิ์ 
) , around the world, is a rare last name. The surname สงสวัสดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, สงสวัสดิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สงสวัสดิ์ | Thailand |