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