Last name แจ้งวงษ์ (แจ้งวงษ์, Chaengwong 
) , around the globe, is an extremely rare surname. The family name แจ้งวงษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chaengwong | Thailand |