| Mamadou Doumbia | |
| Fullname: | Mamadou Doumbia |
| Birth Date: | 1980 12, df=yes |
| Birth Place: | Abidjan, Ivory Coast |
| Height: | 1.81 m |
| Position: | Centre-back |
| Youthyears1: | 2000 |
| Youthclubs1: | Académie de Sol Beni |
| Years1: | 2000–2006 |
| Years2: | 2006–2011 |
| Clubs2: | Istres |
| Caps2: | 124 |
| Goals2: | 11 |
| Years3: | 2011–2013 |
| Clubs3: | Le Mans |
| Caps3: | 50 |
| Goals3: | 2 |
| Years4: | 2013 |
| Clubs4: | Al-Arabi Kuwait |
| Years5: | 2013–2014 |
| Clubs5: | Istres |
| Caps5: | 12 |
| Goals5: | 1 |
| Years6: | 2014–2016 |
| Clubs6: | CA Bastia |
| Caps6: | 49 |
| Goals6: | 2 |
| Nationalyears1: | 2005–2007 |
| Nationalteam1: | Ivory Coast |
| Nationalcaps1: | 7 |
| Nationalgoals1: | 1 |
Mamadou Doumbia (born 3 December 1980) is an Ivorian former professional footballer who played as a defender.
Born in Abidjan, Doumbia began his career with Académie de Sol Beni and was promoted to ASEC Mimosas in winter 1999–2000. In July 2006 he signed for FC Istres while a transfer fee of €350,000 was paid to ASEC Mimosas. After a six-year stint with Istres, he moved to Ligue 2 rivals Le Mans on 22 June 2011.