Surname Khiaothongchan (Khiaothongchan 
) , around the world, is a very rare family name. The last name Khiaothongchan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khiaothongchan | Thailand |
Nanthanat, and Phanuphong