Surname รัตน์ญาณวิทย์ (รัตน์ญาณวิทย์ 
) , around the world, is an extremely rare family name. The surname รัตน์ญาณวิทย์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตน์ญาณวิทย์ | Thailand |