William Bennet

William Bennet may refer to:


 * William Bennet (MP for Ripon) (died 1609), MP for Ripon
 * William Bennet (bishop) (1746–1820), Bishop of Cloyne and antiquary
 * William Bennet (musician) (1767?–1833?), English musician
 * William Stiles Bennet (1870–1962), American politician
 * William S. Bennet II (1934–2009), American business executive
 * William Bennet (engineer) (active 1790–1826), English canal engineer (also spelled Bennett)
 * Sir William Bennet, 1st Baronet (died 1710) of the Bennet baronets
 * Sir William Bennet, 2nd Baronet (died 1729), member of 1st Parliament of Great Britain
 * Sir William Bennet, 3rd Baronet (died 1733) of the Bennet baronets