Family name รัตนวงษ์มงคล (รัตนวงษ์มงคล 
) , throughout the world, is a very rare last name. The surname รัตนวงษ์มงคล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตนวงษ์มงคล | Thailand |