Family name เพ็ชรมล (เพ็ชรมล 
) , worldwide, is a very rare surname. The surname เพ็ชรมล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เพ็ชรมล | Thailand |
ลมุล, ชลิม, and พิรุณรัตน์