| Rui Duarte | |
| Fullname: | Rui Sandro de Carvalho Duarte[1] |
| Birth Date: | 11 October 1980 |
| Birth Place: | Lisbon, Portugal |
| Position: | Right-back |
| Youthyears1: | 1991–1994 |
| Youthclubs1: | Sporting CP |
| Youthyears2: | 1994–1995 |
| Youthclubs2: | Futebol Benfica |
| Youthyears3: | 1995–1999 |
| Youthclubs3: | Sacavenense |
| Years1: | 1999–2000 |
| Years2: | 2000–2002 |
| Caps2: | 87 |
| Goals2: | 5 |
| Years3: | 2003–2006 |
| Caps3: | 84 |
| Goals3: | 3 |
| Years4: | 2005–2006 |
| Clubs4: | → Boavista (loan) |
| Caps4: | 20 |
| Goals4: | 0 |
| Years5: | 2006–2008 |
| Caps5: | 47 |
| Goals5: | 0 |
| Years6: | 2008–2010 |
| Caps6: | 47 |
| Goals6: | 0 |
| Years7: | 2010–2013 |
| Caps7: | 54 |
| Goals7: | 1 |
| Years8: | 2013 |
| Caps8: | 11 |
| Goals8: | 0 |
| Years9: | 2014 |
| Caps9: | 9 |
| Goals9: | 0 |
| Totalcaps: | 359 |
| Totalgoals: | 9 |
Rui Sandro de Carvalho Duarte (born 11 October 1980 in Lisbon) is a Portuguese former professional footballer who played as a right-back.