Cognomen คงคำแก้ว (คงคำแก้ว, Kongkamkaew 
) , in all the world, is an extremely rare family name. The surname คงคำแก้ว is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kongkamkaew | Thailand |