Cognomen ขุนค้า (ขุนค้า, Khun Khun 
) , throughout the world, is a very rare family name. The last name ขุนค้า is characteristic of Canada, where it is a very rare surname, South Africa, where it is an extremely rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Khun Khun | Canada, United Kingdom, South Africa |