Cognomen พูลทรัพย์ (พูลทรัพย์ 
, Poonsup 
, Poonsab ) , in all the world, is quite a common surname. The cognomen พูลทรัพย์ is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. Likewise, พูลทรัพย์ is the forename as well as the last name.