Cognomen Phanyuenyong (Phanyuenyong 
) , in the world, is an extremely rare family name. The surname Phanyuenyong is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phanyuenyong | Thailand |
Nawaporn, Chadaphan, Natchaporn, and Watcharin