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