Sébastien Bouin (born 7 April 1993) is a French rock climber born in Draguignan. By 2022, Bouin is regarded as one of the strongest sport climbers in the world, being only the second-ever climber to establish a route graded 9c (5.15d), with DNA (de) in 2022, and one of only a handful of climbers to create a new route at the grade of 9b+ (5.15c). Bouin is also regarded for his documentary series on the history of extreme sport climbing in France.