William, Bill or Billy Flynn may refer to: William Flynn (American football) (died 1958), American football coach William Flynn (golfer) (1890–1944), golf course architect William "Billy" Flynn, responsible for the murder of Gregory Smart, the husband of Pamela Smart William J. Flynn (1867–1928), director of the Bureau of Investigation, 1919–1921 William J. Flynn (athletic director) (died 1997), American college athletics administrator William S. Flynn (1885–1966), Governor of Rhode Island, 1923–1925 William Flynn (1926–2018), CEO, Chairman, then Chairman emeritus of Mutual of America Bill Flynn (Australian politician) (1951–2011), Queensland MP and leader of One Nation Bill Flynn (Florida politician) (1917–1984), American politician in the Florida House of Representatives Bill Flynn (New Jersey politician) (born 1938), American politician in the New Jersey General Assembly Bill Flynn (1948–2007), South African film and theater actor and comedian Billy Flynn (musician) (born 1956), American Chicago blues guitarist Bill Flynn (footballer) (1907–1991), former Australian rules footballer Billy Flynn (actor) (born 1985), American actor Billy Flynn (Chicago), fictional lawyer from the musical Chicago See also William Flinn (1851–1924), U.S. political figure