People
- William Smith (geologist) (1769-1839)
- William Smith (Maryland) (1728-1814), Representative for Maryland from 1789 to 1890
- William Smith (South Carolina Representative) (1751-1837), Representative for South Carolina from 1797 to 1798
- William Smith (South Carolina Senator) (1762-1840), Senator from South Carolina from 1815 to 1830
- William Smith (Mormonism), also known as William B. Smith, younger brother of the founder of Mormonism, Joseph Smith, Jr., and a leader in the Latter Day Saint movement
- William Smith (Virginia), Representative for Virginia from 1821 to 1827
- William "Extra Billy" Smith (1797-1887), Governor of Virginia (1846-1849, 1864-1865) and Confederate general in the American Civil War
- William Smith (mariner) (born around 1775), British mariner and discoverer of the South Shetland Islands
- William Smith (actor) (born 1934)
- William Smith (lexicographer) (1813-1893)
- William Smith (swimmer)
- William Smith (Chief Justice), historian, Chief Justice of the Supreme Court of Canada
- William Smith (1697-1769), father of: William Smith (1728-1793), John Smith, Doctor Thomas Smith, and Joshua Hett Smith
- Will Smith (football player) (born 1981), American football player
- Will Smith (Character) in Australian Soap Home and Away played by Zac Drayson
See also
- Samuel William Smith (1852-1931), Representative for Michigan from 1897 to 1914
- Will Smith (born 1968), singer and actor (although Will in this case is short for Willard)
- William Alden Smith (1859-1932), Representative for Michigan from 1895 to 1906 and Senator from 1905 to 1918
- Amor De Cosmos (1825-1897), born William Alexander Smith, Premier of British Columbia)
- William Alexander Smith (1828-1888), Representative for North Carolina from 1873 to 1874
- Sir William Alexander Smith (1854-1914), founder of the Boys' Brigade
- Razor Smith (1877-1946), Surrey off-break bowler.
- William E. Smith, Governor of Wisconsin from 1878 to 1882
- William Ephraim Smith (1829-1890), Representative for Georgia from 1875 to 1880
- William Farrar Smith, Union Army General
- William French Smith, United States Attorney General from 1981 to 1985
- William H. Smith, Governor of Alabama from 1868 to 1870
- William Jay Smith (1823-1913), Representative for Tennessee from 1869 to 1870
- William Laird Smith, Representative for Denison in Australia from 1910 to 1922
- William Loughton Smith (1758-1812), Representative for South Carolina from 1789 to 1798
- William Nathan Harrell Smith (1812-1889), Representative for North Carolina from 1859 to 1860
- William Orlando Smith (1859-1932), Representative for Pennsylvania from 1903 to 1906
- William Robert Smith (1863-1924), Representative for Texas from 1903 to 1916
- William Robertson Smith (1846-1894), philologist, physicist, archaeologist, and Biblical critic
- William Russel Smith (1815-1896), Representative for Alabama from 1851 to 1856
- William Stephens Smith (1755-1816), Representative for New York from 1813 to 1816
- William Smyth (1460-1514), English Bishop of Lincoln
- William Smith (c.1872-1941), Master of the SS Sauternes, English merchant seaman killed in World War II
Other uses of the name
Also see Bill Smith and Willie Smith