William Henry "Rock" Glosson (January 18, 1937 – October 9, 1996) was an American gridiron football player, coach of football and golf, and college athletics administrator. He was the seventh head football coach at Mississippi Valley State College—now known as Mississippi Valley State University—in Itta Bena, Mississippi, serving for two seasons, from 1968 to 1969, and compiling a record of 2–15. He was the athletic director at his alma mater, Texas Southern University, from 1980 to 1982. Glosson was married to Rose Walker.