Mark Stewart (born 25 August 1995) is a Scottish road and track cyclist, who currently rides for UCI ProTeam Modern Adventure Pro Cycling. Representing Great Britain and Scotland at international competitions, Stewart is the 2026 World champion and 2018 Commonwealth Games champion in the points race, and a four-time medalist at the world championships. He won the bronze medal at the 2016 UEC European Track Championships in the team pursuit.