Family name พร้อมทรัพย์ (Promsab 
, Promsup , Promsub ) , in the world, is a rare last name. The surname พร้อมทรัพย์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, พร้อมทรัพย์ is the forename as well as the last name.