Family name เพชรพิกุล (เพชรพิกุล 
, Petchpikul 
) , around the world, is a very rare surname. The last name เพชรพิกุล is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. Likewise, เพชรพิกุล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพชรพิกุล | Thailand |
| Petchpikul | Thailand, China |