| Osman Kürşat Duman | |
| Height: | 1.75 m |
| Birth Date: | 13 March 1987 |
| Birth Place: | Istanbul, Turkey |
| Currentclub: | Yalovaspor |
| Position: | Defender |
| Youthyears1: | 2002–06 |
| Youthclubs1: | Fenerbahçe PAF |
| Years1: | 2002–06 |
| Years2: | 2006–09 |
| Years3: | 2006–09 |
| Clubs3: | Yalovaspor |
| Caps1: | 54 |
| Caps2: | 2 |
| Caps3: | ? |
| Goals1: | 3 |
| Goals2: | 0 |
| Goals3: | ? |
Osman Kürşat Duman (born 13 March 1987) is a Turkish professional footballer. He currently plays for Yalovaspor.
Fenerbahçe transferred Duman when he was fifteen years old. He made his debut for the club on 11 November 2006 in a Turkish Cup match against Sivasspor. He was brought on in the 88th minute.
Duman played 54 times for Fenerbahçe PAF and 2 times for Turkey U17.