Family name Kaewkasam (Kaewkasam 
) , around the world, is an extremely rare cognomen. The cognomen Kaewkasam is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewkasam | Thailand |
Bunyarit, Akkarachai, and Anchaleeporn