Family name Rumpuengnit (Rumpuengnit 
) , in the entire world, is a very rare surname. The family name Rumpuengnit is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rumpuengnit | Thailand |
Lamom, Amporn, Jetsada, and Achariyaporn