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