The Shelby Blues were an American football team based in Shelby, Ohio. The team played in the Ohio League from 1902 to 1919. In 1920, when the Ohio League became the APFA (now known as the National Football League), the Blues did not join but continued to play against APFA teams, only to later suspend operations. The Blues returned to play as an independent between 1926 and 1928.

The Blues won Ohio League championships in 1910 and 1911, with Peggy Parratt, an early pioneer and master of the forward pass, at quarterback. In 1904, the Blues are credited with signing the first black players in American professional football, halfback Charles Follis.