Cognomen อรุณวัฒนกุล (อรุณวัฒนกุล 
, Arnuwattanakul, Arumwattanakul ) , in all the world, is a very rare family name. The surname อรุณวัฒนกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Arunwattanakul, อรุณวัฒนกุล, Arumwattanakul | Thailand |