| Date of birth | July 10, 1891 |
|---|---|
| Place of birth | United States |
| Date of death | November 23, 1954 (aged 63) |
| Place of death | Milwaukee, Wisconsin, U.S. |
| Career information | |
| Position(s) | Wingback |
| Height | 5 ft 7 in (170 cm) |
| Weight | 150 lb (68 kg) |
| US college | Marquette |
| Career history | |
| As coach | |
| 1914–1915 | Colorado Mines |
| 1924 | Kenosha Maroons |
William J. "Bo" Hanley (July 10, 1891 – November 23, 1954) was an American football player and coach. He served a head coach for the Kenosha Maroons of the National Football League (NFL) for one season in 1924. Hanley played college football at Marquette University, where he was nicknamed the "Marquette Marvel".
In 1911, Hanley played baseball for one season for the Aurora Blues of the Wisconsin-Illinois League.[1]
In 1920, Hanley's younger brother, Cornelius "Pat" Hanley played for the Detroit Heralds. Pat also played college football at Marquette.