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