Cognomen รุจิรัตน์พิชาธร (รุจิรัตน์พิชาธร 
) , in the entire world, is an extremely rare family name. The family name รุจิรัตน์พิชาธร is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| รุจิรัตน์พิชาธร | Thailand |