William Bennett (b. 1943), American conservative pundit, philosopher and former Secretary of Education

W. A. C. Bennett (1900–1979), premier of British Columbia

William Sterndale Bennett (1816–1875), British composer

Billy Bennett (1887–1942), British comedian

William Bennett, a musician with the noise band Whitehouse

Bill Bennett (born 1932), former premier of British Columbia and son of W. A. C Bennett

Bill Bennett (B.C. Liberal Party politician) (born 1950), British Columbia politician

William S. Bennet

William H. Bennett (1910–1980), Canadian agronomist and leader in The Church of Jesus Christ of Latter-day Saints

William Humphrey Bennett (1859–1925), Canadian senator

William Bennett (flautist), British flute player

William R. Bennett, Jr., American physicist

W. J. E. Bennett (1804–1886), Anglican priest