William, Willie or Billy Dunn may refer to:
Politics
Sports
- William Dunn (bobsleigh) (born 1949), Canadian Olympic bobsledder
- William Dunn (footballer, born 1877) (1877âÂÂ?), English footballer, played for Manchester United
- William Thomas Dunn (1881âÂÂ1962), American football player for Penn State
- Willie Dunn (golfer) (died 1952), English golfer and golf course designer
- Willie Dunn Sr. (1821âÂÂ1878), Scottish golfer
- Billy Dunn (footballer, born 1865) (1865âÂÂ1921), Scottish footballer with Stoke and other clubs
- Billy Dunn (footballer, born 1910) (1910âÂÂ1980), Scottish footballer with Celtic, Brentford, Southampton
- Billy Dunn (footballer, born 1920) (1920âÂÂ1982), English footballer with Darlington
- Billy Dunn (racing driver) (born 1984), American dirt modified racing driver
Other
- William Dunn (industrialist) (1770âÂÂ1849), Scottish agriculturist, mechanic, and mill owner
- William Dunn (Medal of Honor) (1834âÂÂ1902), American Civil War sailor
- William Dunn (physician) (c. 1550âÂÂ1607), president of Royal College of Physicians, see Lumleian Lectures
- William Arthur Dunn (1875âÂÂ1947), Methodist clergyman in South Australia
- William Ellsworth Dunn (1861âÂÂ1925), city attorney of Los Angeles, California
- William N. Dunn, American professor of international relations at the University of Pittsburgh
- William R. Dunn (actor) (1888âÂÂ1946), American film actor and writer
- William R. Dunn (aviator) (1916âÂÂ1995), American World War II fighter pilot
- Sir William Dunn Professor of Biochemistry, chair at the University of Cambridge (created 1914)
- Willie Dunn (1942âÂÂ2013), Canadian singer-songwriter, film director, and politician
See also