William, Bill or Billy Austin may refer to:
Literary figures William Austin (English writer) (1587–1634), English author of miscellany William Austin (poet) (before 1634–after 1666), English classical scholar William Austin (physician) (1754–1793), English medical doctor and author William Austin (American writer) (1778–1841), American author and lawyer William James Austin (1949–2019), American poet inspired by New York City William D. Austin (1856–1944), American architect and author
Politicians William J. Austin (1822–1904), American miller, farmer and politician William H. Austin (1859–1922), American lawyer and politician
Sportspeople William Austin (cricketer) (1801–?), English first-class player Billy Austin (footballer) (1900–1979), English outside-right; played as Sam Austin Bill Austin (American football, born 1928) (1928–2013), American player and coach Bill Austin (American football, born 1937) (c. 1937–2015), American player with Rutgers Scarlet Knights Billy Austin (American football) (born 1975), American player with Indianapolis Colts
Others William Austin (actor) (1884–1975), British character performer William Austin (film editor) (1903–1993), American film and TV editor William Austin (caricaturist) (1721–1820), English drawing master and engraver William Austin (bishop) (1807–1892), English-born Anglican bishop of Guyana William F. Austin (born 1942), American billionaire, CEO of Starkey Hearing Technologies, the largest hearing aid manufacturer in the US William G. Austin (1868–1929), American Army officer and Medal of Honor recipient William Weaver Austin (1920–2000), American musicologist, organist, and pianist
See also William Austin House (disambiguation)