William Bush
William Bush may refer to:
- William Ernest Bush, first and last Baron Freiherr von Bush of Coburg-Gotha
- William Henry Bush, American businessman and rancher
- William Sharp Bush, United States Marine Corps officer who was killed on the USS Constitution during the War of 1812
- William H. T. Bush, American businessperson
- William McKeeva Bush, first Premier of the Cayman Islands
- William Bush , New Zealand cricketer
- William Owen Bush, American farmer and politician in Washington state
- William Bush IV, American politician and member of the Delaware House of Representatives
- William E. Bush, American politician in New York
- Billy Bush, American television personality
- Billy Bush, American record producer
- Billy "Green" Bush, American actor
- Bill Bush, New Zealand rugby union player