Last name พัฒชยา (พัฒชยา 
) , in all the world, is an extremely rare family name. The surname พัฒชยา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, พัฒชยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พัฒชยา | Thailand |