Cognomen พัฒนทรัพย์ (พัฒนทรัพย์ 
, Pattanasap , Pattanasup ) , around the globe, is a rare surname. The surname พัฒนทรัพย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, พัฒนทรัพย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พัฒนทรัพย์, Pattanasub, Pattanasup, Pattanasap | Thailand |
Phatanasap, Phathanasap, Phattanasap, Phattanasub, Phattanasup, Phatthanasap, and Phatthanasup