Cognomen พัฒยา (พัฒยา 
) , worldwide, is a very rare family name. The family name พัฒยา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, พัฒยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พัฒยา | Thailand |