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