Joseph Magidsohn (December 20, 1888 – February 14, 1969) was an American football player and official. He played halfback for the University of Michigan Wolverines in 1909 and 1910 and was selected as a second-team All-American by Walter Camp in 1909 and a first-team All-American in 1910. He was the first Jewish athlete to win a varsity "M" at the University of Michigan and is the first athlete known to have refused to compete on the Jewish High Holy Days.