Cognomen Plungpongpun (Plungpongpun 
) , globally, is a very rare last name. The family name Plungpongpun is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Plungpongpun | Thailand |
Thunya, Sakjuti, Thongchai, and Pornchanok