Family name รัตนพิเชฏฐชัย (รัตนพิเชฏฐชัย 
) , across the world, is a very rare last name. The cognomen รัตนพิเชฏฐชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตนพิเชฏฐชัย | Thailand |