Cognomen พงศ์วิรัตน์ (Pongwirat 
, Pongvirat , พงศ์วิรัตน์ ) , all over the world, is a very rare family name. The family name พงศ์วิรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, พงศ์วิรัตน์ is the forename as well as the last name.