In the entire world, รุจนพงศ์ (รุจนพงศ์ 
) is a very rare boy's first name. The forename รุจนพงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare male name. Very seldom, รุจนพงศ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| รุจนพงศ์ | Thailand |