Family name Karnpong (Karnpong 
) , across the world, is an extremely rare surname. Much more prevalently, Karnpong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karnpong | Thailand |
Khamma, Siriissaranant, Arponiam, Jalearnthananimit, Boonmalert, and Phuphattaraphokee