Cognomen Khetkhuan (Khetkhuan 
) , in the world, is a very rare surname. The cognomen Khetkhuan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khetkhuan | Thailand |
| tamolwan khetkhuan Thai table tennis player (b. 1997) |
|
Kittin, Theepkatawut, and Pachongchit