Cognomen Wisitnakhon (Wisitnakhon 
) , around the globe, is a very rare last name. The last name Wisitnakhon is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wisitnakhon | Thailand |
Onusa, Kamonwan, and Manassawee