Michael J. Stock (born September 29, 1939) is a former American football player and coach. He coached for 26 years at the collegiate level, 17 years in the National Football League (NFL), one year in the United States Football League (USFL), and one year coaching high school football in Ohio; altogether he coached 14 different teams. His career included four and a half seasons, from 1978 to 1982, as the head football coach at Eastern Michigan University, where he coached the Eastern Michigan Hurons through most of a school-record 27-game losing streak.