Family name รุ่งวัฒนา (รุ่งวัฒนา, Rungwatthana 
) , in the world, is an extremely rare cognomen. The cognomen รุ่งวัฒนา is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rungwatthana | Thailand |