William Whittaker
William Whittaker may refer to:
- Red Whittaker, roboticist and research professor of robotics at Carnegie Mellon University
- Bill Whittaker, former lawn bowls competitor for New Zealand
- Bill Whittaker , footballer for Charlton Athletic, Huddersfield Town, Crystal Palace and Cambridge United
- Bill Whittaker , Australian horse racing journalist
- William G. Whittaker, English composer