Cognomen พงศ์ถิรธนา (พงศ์ถิรธนา 
) , across the world, is an extremely rare last name. The cognomen พงศ์ถิรธนา is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พงศ์ถิรธนา | Thailand |