Cognomen รัตนสุบรรณ (รัตนสุบรรณ 
) , around the globe, is a very rare family name. The last name รัตนสุบรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตนสุบรรณ | Thailand |
|
ทรงชัย รัตนสุบรรณ TH (b. 1946) |
|