William Reeves
William, Bill or Billy Reeves may refer to:
- William Reeves (animator), Canadian animator and technical director
- William Reeves (bishop), Church of Ireland bishop and antiquarian
- William Reeves (Australian cricketer), Australian cricketer
- William Reeves (New Zealand cricketer), New Zealand cricketer
- William Reeves (finance), co-founder of BlueCrest Capital Management
- William Reeves (journalist), father of William Pember Reeves
- Bill Reeves, English cricketer
- Bill Reeves (basketball), American professional basketball player
- Bill Reeves (footballer), Australian rules footballer
- Billy Reeves, British songwriter and broadcaster
- Billy Reeves (footballer), English soccer player
- William Conrad Reeves, lawyer, academic and legal figure on the island of Barbados
- William Pember Reeves, New Zealand statesman, historian and poet