Family name ประสิทธิศิลป์ (ประสิทธิศิลป์ 
, Prapasitsilp ) , around the globe, is a very rare last name. The cognomen ประสิทธิศิลป์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ประสิทธิศิลป์ is the forename as well as the last name.