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