Family name พิชัยวัฒนพร (พิชัยวัฒนพร 
) , in all the world, is a very rare cognomen. The last name พิชัยวัฒนพร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิชัยวัฒนพร | Thailand |