William Hubbard
William Hubbard, Will Hubbard, or Bill Hubbard may refer to the following people:
- William Hubbard , English minister and historical writer in colonial America
- William Hubbard , lawyer, judge and politician in New Brunswick, Canada
- William Blackstone Hubbard, American politician and Freemason
- William Peyton Hubbard, Canadian politician
- William Pallister Hubbard, American legislator
- William Henry Hubbard, Canadian aviator
- Will Hubbard, English aviator and World War I flying ace
- William Hubbard, British soldier lost in World War I at the Battle of Arras, commemorated in "The Ballad of Bill Hubbard" by Roger Waters
- William C. Hubbard, American lawyer and law school dean
- William F. Hubbard, musician and composer