Last name ประยูรพงศ์ (ประยูรพงศ์ 
, Prayunphong , Prayunpong ) , in the world, is a very rare surname. The cognomen ประยูรพงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ประยูรพงศ์ is the forename as well as the last name.