Surname เพ็ชรจรุณ (เพ็ชรจรุณ 
) , throughout the world, is an extremely rare family name. The family name เพ็ชรจรุณ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| เพ็ชรจรุณ | Thailand |