William Whitmore may refer to:
William Whitmore (died 1648) (1572–1648), English landowner and politician Sir William Whitmore, 2nd Baronet (1637–1699), English politician William Whitmore (died 1725) (c. 1681–1725), MP for Bridgnorth, 1705–10 and 1713–25 William Whitmore (British Army officer) (1714–1771), MP for Bridgnorth, 1741–7 and 1754–71 William Elliott Whitmore (born 1978), American blues singer and musician William Henry Whitmore (1836–1900), Boston businessman, politician and genealogist Bill Whitmore, American college basketball coach
See also William Wolryche-Whitmore (1787–1858), Shropshire landowner and British Whig politician