William Brereton

William Brereton may refer to:


 * William Brereton (fl. 1406–1432), MP for Midhurst and Chichester
 * William Brereton (courtier) (d. 1536) in the privy chamber of Henry VIII
 * William Brereton (lord justice) (d. 1541), lord justice of Ireland
 * Sir William Brereton (died 1559) (c. 1520–1559), MP for Cheshire in 1547 and 1559
 * Sir William Brereton, 1st Baronet (1604–1661), Parliamentary General in the English Civil War
 * William Brereton, 1st, 2nd and 3rd Lords Brereton
 * William Brereton, 1st Baron Brereton (1550–1630), MP for Cheshire in 1597, 1614 and 1621
 * William Brereton, 2nd Baron Brereton (1611–1664), MP for Cheshire in 1661
 * William Brereton, 3rd Baron Brereton (1631–1680), MP for Newton in 1659 and Bossiney 1660
 * William Brereton (actor) (1751–1787), English actor
 * William Brereton (British Army officer) (1789–1864), colonel in the Royal Horse Artillery
 * William Brereton (officer), British Army officer in South Carolina in 1782
 * William Brereton (cricketer) (1786–1851), English cricketer
 * William Brereton (priest) (1726–1812), Archdeacon of Lichfield, 1782–1801
 * William Brereton (planter) (died 1822), planter in British Guiana