Family name Mongsupeng (Mongsupeng 
) , in all the world, is a very rare surname. The surname Mongsupeng is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mongsupeng | Thailand |
Anisa, Sirinapa, Warisara, and Phornthiwa