"William Dwyer" may refer to:

*William Dwyer (Irish politician) (1887–1951), Irish independent politician

*Bill Dwyer (mobster) (1883–1946), US Prohibition-era gangster

*William Lee Dwyer (1929–2002), U.S. federal judge

*Ubi Dwyer, Bill 'Ubi' Dwyer (1933-2001), Windsor Free Festival organiser

*Bil Dwyer (Born 1962), U.S. actor and comedian

More William Dwyer on Wikipedia.