Last name เพชรอรุณ (เพชรอรุณ 
) , around the world, is a very rare cognomen. The family name เพชรอรุณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, เพชรอรุณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพชรอรุณ | Thailand |