Cognomen Pornrungroj (Pornrungroj 
) , in all the world, is an extremely rare family name. The last name Pornrungroj is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pornrungroj | Thailand |
| chanon pornrungroj researcher (ORCID 0000-0001-9886-8489) |
|