Cognomen คำชัยวงศ์ (คำชัยวงศ์, Kamchaivong, Comechaiwong) , across the world, is a very rare surname. The cognomen คำชัยวงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khamchaivong | Thailand |