Cognomen Kaewpanor (Kaewpanor 
) , all over the world, is a very rare family name. The cognomen Kaewpanor is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewpanor | Thailand |
Wichai, Rujirek, and Ratchaneepon