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