Last name พงษ์ถาวร (พงษ์ถาวร 
, Pongthaworn , Pongtaworn ) , across the world, is a very rare family name. The family name พงษ์ถาวร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, พงษ์ถาวร is the forename as well as the last name.