Surname Ruchupan (ฤชุพันธ์ 
, Ruchupan ) , across the world, is a very rare family name. The family name Ruchupan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, Ruchupan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruchupan, ฤชุพันธ์ | Thailand |