Surname Naulhong (Naulhong 
) , all around the world, is an extremely rare last name. The cognomen Naulhong is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Naulhong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Naulhong | Thailand |