Jack Martin Cloud (January 1, 1925 – June 19, 2010) was an American football linebacker and fullback in the National Football League (NFL) for the Green Bay Packers and the Washington Redskins.

[1] After graduation, he served three years in the United States Air Force before college.

After retiring from the NFL, Cloud became an assistant coach at William & Mary in 1954.

[1] The following year, he became the athletic director and head coach at Naval Station Norfolk (1955–1958).

After retiring from coaching, Cloud was an associate professor of physical education and special assistant to the director of athletics.