Family name รัฒนพัฒน์ (รัฒนพัฒน์ 
) , across the world, is an extremely rare last name. The last name รัฒนพัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัฒนพัฒน์ | Thailand |