William Howell
William Howell may refer to:
Law and politics
- William Thompson Howell, American jurist and politician
- William Tudor Howell, British politician, MP for Denbigh Boroughs
- William Barberie Howell, American judge for the U.S. Customs Court
- William J. Howell, American politician
- William G. Howell, American political scientist
Sports
- William Howell (rugby union), Welsh rugby union player
- William Howell (Barbadian cricketer), Barbadian cricketer
- William Howell (cricketer, born 1883), New Zealand cricketer
- William Howell (cricketer, born 1902), Australian cricketer
Others
- William D. Howell, American surgeon who died as a defender of the Alamo
- William Roe Howell, American photographer
- William Henry Howell, American physiologist
- William Devin Howell, American serial killer
- William R. Howell, American businessman