Cognomen Yimmongkhon (Yimmongkhon 
) , in the entire world, is a very rare family name. The family name Yimmongkhon is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yimmongkhon | Thailand |
Siam, Yanee, Chanatouch, and Chanathach