Malcolm Jamar Stewart (born October 27, 1992) is an American professional motocross racer competing in the AMA Supercross and Motocross championships since 2011. Malcolm made his professional debut on February 12, 2011 at the Houston Supercross held in the Reliant Stadium. For the 2011 Season, he rode for team ARMA-Suzuki City-Nitro Circus in the 9250) Lites Eastern Region riding the number 139 Suzuki.
In 2018 Malcolm Stewart was signed as a fill-in rider at team Joe Gibbs racing Suzuki after race 2 of the 450 supercross championship racing bike number 27.
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