| Ousman Koli | |
| Birth Date: | 18 October 1988 |
| Birth Place: | Bakau, Gambia[1] |
| Height: | 1.79 m |
| Position: | Defender, midfielder |
| Currentclub: | IB 1975 Ljubljana |
| Youthyears1: | 2001–2002 |
| Youthyears2: | 2003–2004 |
| Youthclubs2: | Steve Biko Football Club |
| Years1: | 2004–2009 |
| Clubs1: | Steve Biko |
| Years2: | 2009–2010 |
| Clubs2: | Red Star Saint-Ouen |
| Caps2: | 3 |
| Goals2: | 0 |
| Years3: | 2010–2011 |
| Clubs3: | Radomlje |
| Caps3: | 9 |
| Goals3: | 0 |
| Years4: | 2011–2012 |
| Clubs4: | Šenčur |
| Caps4: | 11 |
| Goals4: | 1 |
| Years5: | 2012 |
| Clubs5: | Triglav Kranj |
| Caps5: | 5 |
| Goals5: | 0 |
| Years6: | 2012–2013 |
| Clubs6: | Mohammedan Dhaka |
| Caps6: | 12 |
| Goals6: | 0 |
| Years7: | 2013 |
| Clubs7: | Muktijoddha Shangsad KC |
| Caps7: | 10 |
| Goals7: | 0 |
| Years8: | 2013–2014 |
| Clubs8: | Ankaran Hrvatini |
| Caps8: | 33 |
| Goals8: | 1 |
| Years9: | 2015 |
| Clubs9: | Mosta |
| Caps9: | 9 |
| Goals9: | 0 |
| Years10: | 2015–2016 |
| Clubs10: | Mladost Doboj Kakanj |
| Caps10: | 0 |
| Goals10: | 0 |
| Years11: | 2016 |
| Clubs11: | Sala FF |
| Caps11: | 5 |
| Goals11: | 0 |
| Years12: | 2017 |
| Clubs12: | Boo FK |
| Caps12: | 0 |
| Goals12: | 0 |
| Years13: | 2020– |
| Clubs13: | IB 1975 Ljubljana |
| Nationalteam1: | Gambia U17 |
| Nationalyears2: | 2007–2015 |
| Nationalteam2: | Gambia |
| Nationalcaps2: | 8 |
| Nationalgoals2: | 0 |
Ousman Koli (born 18 October 1988) is a Gambian footballer who plays as a defender for IB 1975 Ljubljana.
Born in Bakau, Koli began his career in 2001 with Bakau United and joined their league rivals Steve Biko FC in 2003.[2]
In August 2011, he signed a contract with Slovenian second tier side Šenčur.[3]
In February 2012, Koli joined Slovenian top flight team Triglav Kranj.[4]
Koli was a member of the Gambia under-17 team that won the 22 July Peace Tournament, held in Banjul in 2003.[2] He was also included in the squad that won the first-ever international trophy for Gambia, when the team hosted and won the 2005 African U-17 Championship.[2]
He debuted for the senior team in 2007 in a match against Guinea.[5]