William Sullivan

William Sullivan may refer to:

Politicians

William Wilfred Sullivan (1839–1920), premier of Prince Edward Island
Sir Bill Sullivan (politician) (1891–1967), New Zealand politician
William P. Sullivan (1870–1925), Missouri politician
William V. Sullivan (1857–1918), United States senator from Mississippi
William T. Sullivan (1894–1968), Wisconsin politician

William Sullivan (field hockey) (1910–?), Indian field hockey player
Bill Sullivan (outfielder) (1853–1884), Irish baseball player
Bill Sullivan (pitcher) (1868–1905), baseball player
Billy Sullivan (American football) (1915–1998), owner of an original franchise, the Boston Patriots, of the American Football League
Billy Sullivan (baseball) (1875–1965), major league catcher
Billy Sullivan, Jr. (1910–1994), his son, baseball catcher

William C. Sullivan (1912–1977), former head of the Federal Bureau of Investigation's intelligence operations
William H. Sullivan (1922–2013), United States diplomat
William J. Sullivan, American judge on the Connecticut Supreme Court
William John Sullivan (born 1976), software freedom activist, hacker and writer
William Laurence Sullivan (1872–1935), Unitarian clergyman and author
Billy L. Sullivan (born 1980), American actor
William "Rocky" Sullivan, character in Angels with Dirty Faces
Bill Sullivan (artist and editor)