Family name Pooritorn (Pooritorn 
) , in the entire world, is a very rare last name. The cognomen Pooritorn is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pooritorn | Thailand |
Krit, Sukan, Sugun, Malinee, and Narongchai