Cognomen Poungpayom (Poungpayom 
) , across the world, is a very rare family name. The surname Poungpayom is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, Poungpayom is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Poungpayom | United States, Thailand |