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