Family name พิสุทธิวงศ์ (พิสุทธิวงศ์ 
, Pisutwong , Pisutthiwong ) , all around the world, is a very rare last name. The surname พิสุทธิวงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, พิสุทธิวงศ์ is the forename as well as the last name.