Cognomen Khongvichian (Khongvichian 
) , throughout the world, is a very rare family name. The family name Khongvichian is habitual in Thailand, where it is a very rare surname, and Germany, where it is an extremely rare surname. Much less frequently, Khongvichian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khongvichian | Germany, Thailand |