| Cindy Ryder | |
| Full Name: | Cynthia Louise Ryder |
| Birth Place: | Leominster, Massachusetts, U.S. |
| Headercolor: | lightsteelblue |
| Show-Medals: | yes |
Cynthia Louise "Cindy" Ryder (born August 12, 1966) is an American Olympic athlete who won the gold medal in women's single sculls rowing event at the 1991 Pan American Games and participated in the 1992 Olympics in Barcelona.