Surname Yamthong (Yamthong 
) , throughout the world, is a very rare last name. The cognomen Yamthong is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Yamthong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yamthong | India, Thailand |