Cognomen พันธ์หิรัญ (พันธ์หิรัญ 
, Phanhirun , Phunghirun 
) , in the entire world, is a very rare last name. The surname พันธ์หิรัญ is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, พันธ์หิรัญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phanhirun, พันธ์หิรัญ | Thailand |
| Phunghirun | United States, Thailand |