Cognomen รัศมิ์ธนกุล (รัศมิ์ธนกุล 
) , all over the world, is an extremely rare family name. The last name รัศมิ์ธนกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัศมิ์ธนกุล | Thailand |