Cognomen Pongrasamiroj (Pongrasamiroj 
) , across the world, is an extremely rare last name. The family name Pongrasamiroj is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pongrasamiroj | Thailand |
Krit, Boonrith, and Supornphan