Cognomen พงศ์พิทักษ์ (Pongpitak 
, พงศ์พิทักษ์ , Phongphithak ) , around the globe, is a rare family name. The cognomen พงศ์พิทักษ์ is characteristic of Thailand, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and the United States. Likewise, พงศ์พิทักษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pongpitak | Thailand, United States, Malaysia |
| Pongphitak, พงศ์พิทักษ์ | Thailand |
| Phongphithak | Thailand, United States |