Family name Phimphawan (Phimphawan 
, พิมพวัลย์ , พิมพวัลคุ์ ) , all over the world, is a very rare last name. The surname Phimphawan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Phimphawan is the forename as well as the last name.