Last name เพชรกรณ์ (เพชรกรณ์ 
) , in the world, is a very rare cognomen. The cognomen เพชรกรณ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, เพชรกรณ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพชรกรณ์ | Thailand |