Family name พงษ์หรรษา (พงษ์หรรษา 
, Phonghansa ) , across the world, is a very rare cognomen. The last name พงษ์หรรษา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, พงษ์หรรษา is the forename as well as the last name.