Wild Bill may refer to:
Places Wild Bill Lake, a lake in Montana
People
Wild Bill Hickok (1837–1876), folk hero of the American Old West William L. Carlisle (1890–1964), train robber of the American West Wild Bill Claiborne (1872–1933), American college football player William Cutolo (1949–1999), New York mobster Wild Bill Davis (1918–1995), jazz organist Bill Davison (1906–1989), jazz cornet player William Edward Donovan (1876–1923), American professional baseball pitcher and manager William Joseph Donovan (1883–1959), American soldier, lawyer, and intelligence officer, founder of the precursor to the Central Intelligence Agency William O. Douglas (1898–1980), Supreme Court Justice Wild Bill Elliott (1904–1965), American actor who specialized in Western film roles Bill Elliott (born 1955), 1988 NASCAR Winston Cup Series Champion and twice Daytona 500 winner Wild Bill Gelbke (born 1938), American engineer and motorcycle designer William Guarnere (1923–2014), American soldier in the 101st Airborne during World War II, made famous by the mini-series Band of Brothers Wild Bill Hagy (1939–2007), American baseball fan who led cheers for the Baltimore Orioles Bill Hallahan (1902–1981), American baseball pitcher William Adams Wild Bill Hickman (1815–1883), frontiersman, ex-Mormon, and purported murderer Bill Hickok (American football) (1874–1933), American football player and businessman William Dathan Holbert (born 1979), American serial killer William Hopson (died 1928), American pilot Bill Hunter (ice hockey) (1920–2002), Canadian hockey player, general manager and coach Bill Hutchison (baseball) (1859–1926), American baseball pitcher Wild Bill Irwin (born 1954), American professional wrestler William Karlsson (born 1993), Swedish professional ice hockey player William Kocay, Canadian professor and graph theorist William Langer (1886–1959), governor and senator from North Dakota Bill Longley (gunfighter) (1851–1878), outlaw of the old American West Wild Bill Longson (1906–1982), American professional wrestler Bill Lovett (c. 1894–1923), Irish-American gangster in New York Wild Bill Luhrsen (1884–1973), American baseball pitcher Wild Bill Moore (1918–1983), American R&B and jazz saxophone player Wild Bill Shrewsberry (born 1938), American drag racer Bill Stealey (born 1947), retired U.S. Air Force pilot and computer game producer Wild Bill Widner (1867–1908), American baseball pitcher Billy Wiles (born 1971), an American professional wrestler
Arts, entertainment, and media Wild Bill (G.I. Joe), a fictional character in the G.I. Joe universe Wild Bill (1995 film), about the legendary gunfighter Wild Bill (2011 film), directorial debut of English actor Dexter Fletcher Wild Bill (TV series), a 2019 ITV television series