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