William Hayes may refer to:
In politics William Hayes (Irish politician), Irish Sinn Féin politician William Hayes (Canadian politician) (1879–1939), member of the Legislative Assembly of Alberta William D. Hayes (1884–1873), American public accountant and state auditor of Maine William P. Hayes (1866–1940), American lawyer and mayor of Springfield, Massachusetts Billy Hayes (trade unionist) (William Hayes, born 1953), British politician and leader of the Communication Workers' Union
In sport William Hayes (American football) (born 1985), American football player William Hayes (Australian cricketer) (1883–1926), Australian cricketer William Hayes (New Zealand cricketer) (1890-1972), New Zealand cricketer William Hayes (diver) (born 1968), Canadian Olympic diver William Hayes (rugby league), rugby league footballer of the 1930s and 1940s William Hayes (wrestler) (1891–?), British wrestler Willie Hayes (basketball) (born 1967), American college basketball head coach Willie Hayes (1928–2014), Irish footballer Will Hayes (footballer, born 1995), Australian rules footballer for Western Bulldogs and Carlton Will Hayes (footballer, born 2006), Australian rules footballer for Collingwood Bill Hayes (American football) (William Hayes, born 1943), former head coach at Winston-Salem State University and North Carolina A&T State University Bill Hayes (Australian footballer) (William Maurice Hayes, 1896–1969), Australian rules footballer Bill Hayes (baseball) (William Ernest Hayes, born 1957), catcher for the Chicago Cubs Bill Hayes (footballer, born 1915) (William Edward Hayes, 1915–1987), Irish footballer who played for Huddersfield Town, Cork United and Burnley Billy Hayes (footballer) (William Edward Hayes, 1895–?), English footballer who played as a goalkeeper
Other people William Hayes (composer) (1708–1777), organist, conductor, writer William Hayes (geneticist) (1913–1994), Irish-born microbiologist and geneticist William Hayes (pastoralist) (1827–1913), Australian pastoralist William Hayes (photographer) (1871–1940), Victorian photographer in York, England William C. Hayes (1903–1963), American Egyptologist William Prine Hayes (1919–2009), Canadian commodore and educator William “Billy” Hayes (born 1947), convicted drug smuggler and co-author of Midnight Express William Q. Hayes (born 1956), U.S. federal judge William Hayes (academic) (1930–2025), president of St John's College, Oxford Billy Hayes (writer) (William Hayes, born 1947), American author of Midnight Express Bill Hayes (writer) (William Brooke Hayes, born 1961), American author of Insomniac City Bill Hayes (actor) (William Foster Hayes III, 1925–2024), American actor and singer Bully Hayes (William Henry Hayes, 1827/29–1877), American ship's captain and trader J. William Hayes (1921–1992), American entertainment lawyer
See also William Haye (1948–2019), Jamaican cricketer Billy Hayes (disambiguation) William Hays (disambiguation) William Hay (disambiguation)