Cognomen ภัทรวิทยา (ภัทรวิทยา 
, Bhataravidhya 
) , in all the world, is a very rare family name. The surname ภัทรวิทยา is characteristic of Thailand, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| ภัทรวิทยา | Thailand |
| Bhataravidhya | United States |