Cognomen Namyuang (Namyuang 
) , in all the world, is a very rare surname. The family name Namyuang is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Namyuang | Thailand |
Komen, Kumpu, Chayanin, Krongtong, and Jaroenkwan