Marvin Christopher "Moose" Stewart (September 25, 1912 – August 30, 2009) was a collegiate American football player. He attended Louisiana State University, where he was a lineman for the LSU Tigers football team. He was a third-team All-Southeastern Conference (SEC) selection in 1935 and a second-team All-SEC selection in 1936. He was selected in the second round of the 1937 NFL draft by the Chicago Bears but did not play professionally. Stewart was inducted into the LSU Athletic Hall of Fame as a charter member in 1937.