Frank "Muddy" Waters (January 30, 1923 – September 20, 2006) was an American football player and coach. He served as the head coach at Hillsdale College (1954–1973), Saginaw Valley State University (1975–1979), and Michigan State University (1980–1982), compiling a career college football record of 173–96–7. Waters was inducted into the College Football Hall of Fame as a coach in 2000.