Surname เพชรพงษ์ (เพชรพงษ์ 
, Phetpong , Petchpong ) , globally, is a rare family name. The last name เพชรพงษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, เพชรพงษ์ is the forename as well as the last name.