William Hammond

William Hammond may refer to:

Sports

 * William Hammond (cyclist) (1886–?), British Olympic road racing cyclist
 * William Hammond (fencer) (1872–?), British Olympic fencer at the 1920 and 1924 Olympics
 * William Hammond (cricketer) (fl.1855–1868)

Politicians

 * William Hammond (died 1763), British Member of Parliament for Southwark
 * William Hammond (died 1575), MP for Guildford

Others

 * William Hammond (died 1685) (c.1635–c.1685), Original Fellow of the Royal Society
 * William Hammond (1707–1787), Danish landowner
 * William Hammond (hymnist) (1719–1783), English hymnist
 * William A. Hammond (1828–1900), neurologist, 11th US Army Surgeon General
 * Bill Hammond (1947–2021), New Zealand artist
 * William Hammond (ship), a barque used to transport convicts to Western Australia
 * William Hammond (historian), American historian
 * William Archie Hammond, founder of the W.A. Hammond Drierite Company
 * William C. Hammond (born 1947), American novelist of historical fiction
 * William Churchill Hammond (1860–1949), American organist and music educator