Surname Rungwarin (Rungwarin 
, รุ่งวารินทร์) , across the world, is a very rare cognomen. The last name Rungwarin is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, Rungwarin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rungwarin | Thailand |