Cognomen พูลพัฒน์ (พูลพัฒน์ 
, Phunphat , Poonphat ) , all over the world, is a rare family name. The cognomen พูลพัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Also, พูลพัฒน์ is the forename as well as the last name.