| Rui Rêgo | |
| Fullname: | Rui Manuel Castanheira do Rêgo[1] |
| Birth Date: | 5 July 1980 |
| Birth Place: | Mujães, Portugal |
| Position: | Goalkeeper |
| Youthyears1: | 1991–1996 |
| Youthyears2: | 1996–1999 |
| Youthclubs1: | Vila Fria |
| Youthclubs2: | Braga |
| Years1: | 1999–2004 |
| Years2: | 2003 |
| Years3: | 2005 |
| Years4: | 2005–2006 |
| Years5: | 2006–2007 |
| Years6: | 2007–2010 |
| Years7: | 2010–2015 |
| Years8: | 2015–2016 |
| Years9: | 2016–2021 |
| Clubs2: | → Marco (loan) |
| Clubs3: | Valenciano |
| Clubs4: | Torre Moncorvo |
| Clubs8: | Vilaverdense |
| Clubs9: | Merelinense |
| Caps1: | 103 |
| Caps2: | 2 |
| Caps3: | 11 |
| Caps5: | 20 |
| Caps6: | 97 |
| Caps7: | 155 |
| Caps8: | 28 |
| Caps9: | 122 |
| Totalcaps: | 538 |
| Goals1: | 0 |
| Goals2: | 0 |
| Goals3: | 0 |
| Goals5: | 0 |
| Goals6: | 0 |
| Goals7: | 0 |
| Goals8: | 0 |
| Goals9: | 0 |
| Totalgoals: | 0 |
Rui Manuel Castanheira do Rêgo (born 5 July 1980 in Mujães, Viana do Castelo) is a Portuguese former professional footballer who played as a goalkeeper.