Surname Pornaroontham (Pornaroontham 
) , all over the world, is a very rare cognomen. The surname Pornaroontham is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pornaroontham | Thailand |
| phuwadej pornaroontham researcher (ORCID 0000-0002-7683-0460) |
|