William M. Morrow (September 6, 1866 – July 21, 1944) was an American football player and soldier. He played college football at the University of Michigan in 1885 and 1886 and was the starting quarterback for the 1886 Michigan Wolverines football team. He enlisted in the United States Army in 1888 and served for more than 40 years until his retirement in 1930. He was decorated for his service in World War I and achieved the rank of Brigadier General.