Family name พัฒนเวช (พัฒนเวช 
, Pattanawech , Pattanawet ) , all around the world, is a very rare surname. The surname พัฒนเวช is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pattanawech, Pattanaveaw, พัฒนเวช, Pattanawet | Thailand |