Surname พงศ์ทรงกุล (พงศ์ทรงกุล 
) , across the world, is an extremely rare last name. The family name พงศ์ทรงกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พงศ์ทรงกุล | Thailand |