Carson Mattern (born February 24, 2004) is a Canadian cyclist competing primarily in the track events.

[3] Mattern would also team up with Dylan Bibic to win the bronze medal in the madison event at the 2021 World Juniors.

[6][7] After his successes in the junior ranks, Mattern moved to the senior events in September 2022, where he would win the silver medal in the individual pursuit at the Canadian Championships.

[11] The team set a Pan American Games record by winning the gold medal.

[12] In July 2024, Mattern qualified to compete for Canada at the 2024 Summer Olympics in track cycling.