Cognomen Kanchaikham (Kanchaikham 
) , globally, is a very rare family name. The cognomen Kanchaikham is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kanchaikham | Thailand |
Chonnipa, Kasemsuk, Songkhram, Duangploy, and Watcharapan