Family name เพ็ชรรัก (เพ็ชรรัก 
) , worldwide, is a very rare cognomen. The cognomen เพ็ชรรัก is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, เพ็ชรรัก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพ็ชรรัก | Thailand |