William Barry Wood, Jr. (May 4, 1910 – March 9, 1971) was an American football player and medical educator. Wood played quarterback for Harvard during the 1929–1931 seasons and was one of the most prominent football players of his time. He was elected to the College Football Hall of Fame in 1980. An accomplished student as well as a gifted athlete, Wood went on to a highly successful academic career in medicine and microbiology at Washington University in St. Louis and Johns Hopkins University.