Cognomen Poungngern (Poungngern 
) , across the world, is a very rare family name. The last name Poungngern is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Poungngern | Thailand |
Angkana, Auranat, Nampueng, Waristha, Chanatsiri, and Tawachinee