Cognomen น้อยวัฒนกุล (น้อยวัฒนกุล, Noiwattanakul 
) , all around the world, is an extremely rare last name. The family name น้อยวัฒนกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Noiwattanakul | Thailand |