Family name พงษ์ธิราช (พงษ์ธิราช 
) , in the entire world, is an extremely rare last name. The surname พงษ์ธิราช is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, พงษ์ธิราช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พงษ์ธิราช | Thailand |