Cognomen เพชรขุ้ม (เพชรขุ้ม, Petchkhum 
) , throughout the world, is an extremely rare last name. The cognomen เพชรขุ้ม is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| วรพจน์ เพชรขุ้ม Thai boxer, TH (b. 1981) |
|