William, Bill, or Billy Yates may refer to:
- William Yates (died 1558 or 1559) (1505–1558/1559), Member of Parliament for Lincoln
- William Yates (college president) (1720–1764), College of William & Mary's fifth president (1761–1764)
- William Yates (cartographer) (1738–1802), British cartographer
- William Yates (missionary) (1792–1845), Baptist missionary to India
- William Yates (athlete) (1880–1967), British Olympic racewalker
- William Yates (footballer) (1883–?), English footballer
- William Yates (politician) (1921–2010), British and Australian politician
- William H. Yates (died 1868), American abolitionist and writer
- Bill Yates (footballer) (1903–1978), English footballer and cricketer
- Bill Yates (1921–2001), American cartoonist
- Billy Yates (American football) (born 1980), professional offensive lineman
- Billy Yates (singer) (born 1963), American country singer