Surname พันธ์พัฒน์ (พันธ์พัฒน์ 
, Phanpat 
) , around the world, is a very rare last name. The cognomen พันธ์พัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, พันธ์พัฒน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พันธ์พัฒน์ | Thailand |
| Phanpat | United States, Thailand |