Family name Kematorn (Kematorn 
) , in all the world, is an extremely rare surname. The last name Kematorn is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kematorn | Thailand |
Ketkorn, Jerasak, Teratorn, Nutchaporn, and Ajcharavati