Family name พงศ์พฤทธิ์ (พงศ์พฤทธิ์ 
) , around the globe, is a very rare cognomen. The last name พงศ์พฤทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, พงศ์พฤทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พงศ์พฤทธิ์ | Thailand |