Family name รัตวรรณ์ (รัตวรรณ์ 
) , across the world, is a very rare last name. The surname รัตวรรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, รัตวรรณ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| รัตวรรณ์ | Thailand |