Cognomen Khumkhana (Khumkhana 
) , around the world, is a very rare surname. The family name Khumkhana is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khumkhana | Thailand |
Pratana, Prayoon, Saranwit, Silatchaya, and Pongnarid