Cognomen Khemabenjapon (Khemabenjapon 
) , all around the world, is a very rare family name. The cognomen Khemabenjapon is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khemabenjapon | Thailand |
Jirapa, Udomsri, and Pathomporn