Cognomen แก่นชัยภูมิ (Chaiyaphum 
, แก่นชัยภูมิ, Kaenchaipoom ) , in the entire world, is a rare family name. The cognomen แก่นชัยภูมิ is habitual in Thailand, where it is a rare surname, and Finland, where it is a very rare surname. Very seldom, แก่นชัยภูมิ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaiyaphum | Finland, Thailand |
| Kaenchaipoom | Thailand |