Cognomen เกตุนคร (เกตุนคร 
, Ketnakorn , Kettanakarn ) , in the world, is a very rare family name. The cognomen เกตุนคร is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, เกตุนคร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kettanakarn, Ketnakorn, เกตุนคร, Ketnakhon | Thailand |