Surname รุธิรบริสุทธิ์ (รุธิรบริสุทธิ์ 
) , around the world, is a very rare family name. The surname รุธิรบริสุทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รุธิรบริสุทธิ์ | Thailand |