Family name เพชรบุญวรรณโณ (เพชรบุญวรรณโณ 
) , globally, is an extremely rare surname. The cognomen เพชรบุญวรรณโณ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| เพชรบุญวรรณโณ | Thailand |