Cognomen Chanhuathon (Chanhuathon 
) , around the globe, is a very rare last name. The cognomen Chanhuathon is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chanhuathon | Thailand |
Sungwan, Buarong, and Phra Thinnakorn