Family name พรธัญวรพัฒน์ (พรธัญวรพัฒน์ 
) , in the entire world, is an extremely rare cognomen. The last name พรธัญวรพัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พรธัญวรพัฒน์ | Thailand |