William Hill may refer to:

• William Hill (Australian politician) (1866–1939), long-serving member of the Australian House of Representatives
• William Hill (colonial administrator) (fl. 1630s), British colonial Proprietary Governor of the Province of Avalon, Newfoundland
• William Hill (Iowa politician) (1930–2021), American politician in the state of Iowa
• William Hill (New South Wales politician) (1838–1919), member of the New South Wales Legislative Council
• William Hill (Wisconsin politician), member of the Wisconsin State Assembly
• William A. Hill (1864–1932), American judge in Colorado
• William C. Hill (1917–1998), Vermont attorney and judge
• William D. Hill (1833–1906), American politician; U.S. Representative from Ohio
• William Davison Hill (1860–1944), farmer and political figure in Nova Scotia, Canada
• William Duguid Hill (1858–1921), mayor of Ballarat, Victoria, Australia
• William Henry Hill (New York politician) (1876–1972), American politician; U.S. Representative from New York
• William Henry Hill (North Carolina politician) (1767–1809), American politician; U.S. Representative from North Carolina
• William James Hill (1854–1922), Ontario construction contractor and political figure
• William Luther Hill (1873–1951), American politician; U.S. Senator from Florida
• William Noel-Hill, 3rd Baron Berwick (1773–1842), British peer
• William S. Hill (1886–1972), American politician; U.S. Representative from Colorado
• William U. Hill (born 1948), justice of the Wyoming Supreme Court

• William Lee Hill (1920–1981) Tuskegee Airman
• William Lowell Hill (1855–1922), USN, U.S. Medal of Honor recipient
• William P. T. Hill (1895–1965), United States Marine Corps general

• William Charles Osman Hill (1901–1975), British anatomist and primatologist
• Bill Hill (geneticist) (1940–2021), population geneticist

• William Hill (British athlete) (1896–1958), British track and field athlete
• William Hill (Hong Kong athlete) (1945–2020), Hong Kong track and field athlete
• William Hill (sport shooter), Australian Olympic shooter
• Bill Hill (baseball) (1874–1938), American Major League Baseball pitcher
• Will Hill (born 1990), American football player
• Bill Hill (American football) (born 1959), American football cornerback
• William Hill (footballer, born 1920) (1920–1999), English footballer

• William Hill (blacksmith), Scottish ironworker at the court of James V
• William Hill (businessman) (1903–1971), founder of William Hill bookmakers
• William Hill (English architect) (1827–1889)
• William Hill (Irish architect) (1798–1844)
• William Ebsworth Hill (1817–1895), London violin maker and founder of the firm W. E. Hill & Sons
• William Lair Hill (1838–1924), American attorney, historian, and newspaper editor
• William "Red" Hill Sr. (1888–1942), Canadian rescuer and Niagara Falls daredevil
• Billy Hill (gangster) (1911–1984), London mobster also known as William Hill
• Billie Ritchie (born William Hill; 1878–1921), Scottish comedian

• William Hill Estates, a winery owned by E & J Gallo Winery in Napa Valley, California
• William Hill (bookmaker), a major chain of bookmakers in Britain; now a subsidiary of 888 Holdings
• William Hill (This Is Us), a fictional character on the U.S. TV series This Is Us
• William Hill & Sons (fl. 1800s), English organ maker
• W.E. Hill & Sons (1880–1992), London luthier, antique string instruments and bow dealer
• William Hill Sports Book of the Year, an annual British book award given British bookmakers William Hill plc
• William Hill, a fictional sergeant played by Paul Giamatti in the 1998 film Saving Private Ryan

• Billy Hill (disambiguation)
• Willie Hill (disambiguation)