Last name พิงพิทยากุล (พิงพิทยากุล 
, Pingpithayakul , Pingpitthayakul ) , in the entire world, is a rare cognomen. The surname พิงพิทยากุล is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pingpitayakul, Pingpitthayakul, พิงพิทยากุล, Pingpithayakul | Thailand |
Phingphithayakun, Phingphitthayakul, Pingpittayakul, and Pingpittayakun