William Whittaker may refer to:
Red Whittaker (William L. Whittaker), roboticist and research professor of robotics at Carnegie Mellon University Bill Whittaker (bowls), former lawn bowls competitor for New Zealand Bill Whittaker (footballer) (1922–1977), footballer for Charlton Athletic, Huddersfield Town, Crystal Palace and Cambridge United Bill Whittaker (journalist) (1930–2009), Australian horse racing journalist William G. Whittaker (1876–1944), English composer
See also William Whitaker (disambiguation)