Cognomen รัตนวรรณา (รัตนวรรณา 
) , around the world, is an extremely rare family name. The last name รัตนวรรณา is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, รัตนวรรณา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| รัตนวรรณา | Thailand |