Family name พีรวัฒทกุล (พีรวัฒทกุล 
) , throughout the world, is an extremely rare last name. The last name พีรวัฒทกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พีรวัฒทกุล | Thailand |