Last name ประพันธ์สุข (ประพันธ์สุข 
, Prapansuk ) , all around the world, is a very rare cognomen. The last name ประพันธ์สุข is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ประพันธ์สุข is the forename as well as the last name.