Marvin Crosby "Moose" Bass (August 28, 1919 – December 3, 2010) was the head coach of The College of William & Mary's football team in 1951. He also coached the South Carolina Gamecocks football team for five seasons. Bass, a native of Petersburg, Virginia, was a member of the winningest football team in William & Mary history. Bass captained the 1942 Indians, which compiled a 9–1–1 record. He later was an assistant coach at his alma mater when the 1947 Indians were 9–1. Bass was inducted into the Virginia Sports Hall of Fame in 1981.