Last name Phonnongluang (Phonnongluang 
) , in the world, is a very rare surname. The cognomen Phonnongluang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Phonnongluang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phonnongluang | Thailand |