Last name รัตนดุลยวิจิตร (รัตนดุลยวิจิตร 
) , in all the world, is an extremely rare surname. The family name รัตนดุลยวิจิตร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตนดุลยวิจิตร | Thailand |