Surname อรุณวัน (Arunwan 
, อรุณวัน , Arunwun ) , throughout the world, is a rare last name. The last name อรุณวัน is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More prevalently, อรุณวัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arunwan | Australia, United Kingdom, Thailand, United States |
| อรุณวัน, Arunwun | Thailand |