Surname เพ็ชรัช (เพ็ชรัช 
) , all over the world, is an extremely rare last name. The cognomen เพ็ชรัช is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, เพ็ชรัช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพ็ชรัช | Thailand |