Surname Sungnui (Sungnui 
) , in the world, is a very rare family name. The last name Sungnui is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sungnui | Thailand |
Nalin, Pongpat, Pongpan, Monthikarn, and Wipawadee