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