Sébastien Kouma (born 27 April 1997) is a Malian swimmer who lives in France.
In 2017, he competed in the men's 50 metre breaststroke event at the World Aquatics Championships.
He represented Mali at the 2019 World Aquatics Championships held in Gwangju, South Korea and he competed in the men's 50 metre breaststroke and men's 100 metre breaststroke events.
[4] He also represented Mali at the 2019 African Games held in Rabat, Morocco.
Even if he broke the national record in this race, 1.02.84 against 1.03.31, he finished 44th out 49 athletes and didn't qualify for the semi-finals.