Cognomen พิเชฐพงษ์ (พิเชฐพงษ์ 
) , across the world, is an extremely rare family name. The last name พิเชฐพงษ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, พิเชฐพงษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พิเชฐพงษ์ | Thailand |