Cognomen Kornkasame (Kornkasame 
) , in the world, is a very rare last name. The family name Kornkasame is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kornkasame | Thailand |
Korakot, Chittakorn, Tatchadon, and Phatthraphon