Cognomen แก้ววังชัย (แก้ววังชัย, Keawwangchai 
) , all around the world, is an extremely rare family name. The surname แก้ววังชัย is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Keawwangchai | Thailand |