Surname Longjamnong (Longjamnong 
) , across the world, is an extremely rare family name. The last name Longjamnong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Longjamnong | Thailand |
| dantrai longjamnong Thai footballer, TH (b. 1990) |
|