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