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