Cognomen Pongwilai (พงษ์วิไล 
, Pongwilai , พงษ์วิลัย ) , around the globe, is a rare last name. The cognomen Pongwilai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Pongwilai is the forename as well as the last name.