William Hamilton (disambiguation)
William Hamilton is the name of the following people:
- William Hamilton (1730–1803), Scottish diplomat and archaeologist
- William Hamilton, 1st Baronet (of West Port) († around 1670), Scottish nobleman
- William Hamilton, 1st Baronet (of Preston) (around 1645 – around 1690), Scottish nobleman
- William Hamilton, 2nd Duke of Hamilton (1616–1651), Scottish nobleman
- William Hamilton, 4th Baronet (of Preston) (1681–1749), Scottish nobleman
- William Hamilton, 6th Baronet (of Preston) (1748–1756), Scottish nobleman
- William Hamilton, 9th Baronet (of Preston) (1788-1856), Scottish metaphysician and logician, see William Hamilton (philosopher)
- William Hamilton (painter) (1751–1801), English painter
- William Hamilton (botanist) (1783-1856) Irish physician and botanist
- William Hamilton, 11th Duke of Hamilton (1811–1863), Scottish nobleman
- William Hamilton, 12th Duke of Hamilton (1845–1895), Scottish nobleman
- William Hamilton (track and field athlete) (1884 – after 1908), American track and field athlete
- William Hamilton (film editor) (1893–1942), American film editor
- William Hamilton (theologian) (1924–2012), American theologian and author
- William Douglas-Hamilton, Duke of Hamilton (1634–1694), Scottish nobleman
- William D. Hamilton (1936-2000), English biologist
- William F. Hamilton (1893–1964), American physician (physiology, cardiology)
- William Gerard Hamilton (1729–1796), Anglo-Irish statesman
- William John Hamilton (1805–1867), British geologist
- William McLean Hamilton (1919–1989), Canadian politician
- William Richard Hamilton (1777–1859), British explorer, diplomat and collector of antiquities
- William Rowan Hamilton (1805-1865) Irish mathematician and physicist
- William Thomas Hamilton (1820–1888), American politician (Maryland)
