William Austin
William, Bill or Billy Austin may refer to:
Literary figures
- William Austin (English writer), English author of miscellany
- William Austin (poet), English classical scholar
- William Austin (physician), English medical doctor and author
- William Austin (American writer), American author and lawyer
- William James Austin, American poet inspired by New York City
- William D. Austin, American architect and author
Politicians
- William J. Austin, American miller, farmer and politician
- William H. Austin, American lawyer and politician
Sports competitors
- William Austin (cricketer), English first-class player
- Billy Austin (footballer), English outside-right; played as Sam Austin
- Bill Austin (American football, born 1928), American player and coach
- Bill Austin (American football, born 1937), American player with Rutgers Scarlet Knights
- Billy Austin (American football), American player with Indianapolis Colts
Others
- William Austin (actor), British character performer
- William Austin (film editor), American film and TV editor
- William Austin (caricaturist), English drawing master and engraver
- William Austin (bishop), English-born Anglican bishop of Guyana
- William F. Austin, American billionaire, CEO of Starkey Hearing Technologies, the largest hearing aid manufacturer in the US
- William G. Austin, American Army officer and Medal of Honor recipient
- William Weaver Austin, American musicologist, organist, and pianist