Cognomen Khomphong (Khomphong 
) , across the world, is an extremely rare family name. The last name Khomphong is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, Khomphong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khomphong | India, Thailand |