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