Marcus Christopher (born December 31, 2002) is an American professional freestyle BMX rider.

[2] In July 2023, during the Summer X Games in California he suffered a broken jaw and cheekbone when he overshot his landing spot on a transfer and crashed face-first to the ground.

[3] In June 2024, he competed at the 2024 Summer X Games in Ventura, California and won a gold medal in BMX park with a score of 95.66, finishing nearly five points ahead of silver medal winner Kevin Peraza.

[8] As a result, he qualified to represent United States at the 2024 Summer Olympics where he was the youngest competitor in the field.

[11] Christopher achieved the best result for United States in men's BMX freestyle at the Olympics.