William Maynard
William Maynard may refer to:
- William Maynard, 1st Baron Maynard
- William Maynard, 2nd Baron Maynard
- William Maynard , English football player
- Sir William Maynard, 1st Baronet, English MP for Essex 1685
- Sir William Maynard, 4th Baronet, English MP for Essex 1759–1772
- William S. Maynard, U.S. politician
- William H. Maynard, American lawyer, newspaper editor and politician from New York
- Bill Maynard, English actor and comedian