William Dunn

William, Willie or Billy Dunn may refer to:

Politics

Sir William Dunn, 1st Baronet, of Lakenheath (1833–1912), banker and Liberal MP for Paisley
Sir William Dunn, 1st Baronet, of Clitheroe (1856–1926), British Conservative politician
William Dunn (South Australian politician) (1841–1891)
William E. Dunn (born 1926), mayor of Murray, Utah
William McKee Dunn (1814–1887), U.S. Representative from Indiana

William Dunn (bobsleigh) (born 1949), Canadian Olympic bobsledder
William Dunn (footballer, born 1877) (1877–?), English footballer, played for Manchester United
William Thomas Dunn (1881–1962), American football player for Penn State
Willie Dunn (golfer) (died 1952), English golfer and golf course designer
Willie Dunn Sr. (1821–1878), Scottish golfer
Billy Dunn (footballer, born 1865) (1865–1921), Scottish footballer with Stoke and other clubs
Billy Dunn (footballer, born 1910) (1910–1980), Scottish footballer with Celtic, Brentford, Southampton
Billy Dunn (footballer, born 1920) (1920–1982), English footballer with Darlington

William Dunn (industrialist) (1770–1849), Scottish agriculturist, mechanic, and mill owner
William Dunn (Medal of Honor) (1834–1902), American Civil War sailor
William Dunn (physician) (c. 1550–1607), president of Royal College of Physicians, see Lumleian Lectures
William Arthur Dunn (1875–1947), Methodist clergyman in South Australia
William Ellsworth Dunn (1861–1925), city attorney of Los Angeles, California
William N. Dunn, American professor of international relations at the University of Pittsburgh
William R. Dunn (actor) (1888–1946), American film actor and writer
William R. Dunn (aviator) (1916–1995), American World War II fighter pilot
Sir William Dunn Professor of Biochemistry, chair at the University of Cambridge (created 1914)
Willie Dunn (1942–2013), Canadian singer-songwriter, film director, and politician