William Williams may refer to:
Academics William Mattieu Williams (1820–1892), English writer on science William Williams (veterinary surgeon) (1832–1900), Welsh veterinary surgeon William Henry Williams (headmaster) (1852–1941), English-born Australian headmaster and professor W. Roger Williams (1854–1948), English pathologist, surgeon, cancer researcher and medical writer William Williams (doctor) (1855/6–1911), Welsh doctor and writer on sanitation issues William Owen Williams (1860–1911), British veterinarian William T. B. Williams (1869-1941), dean at the Tuskegee Institute William Williams (surveyor) (1901–1995), British academic at Cambridge W. T. Williams (William Thomas Williams, 1913–1995), English and Australian botanist and plant taxonomist William Williams (metallurgist) (1927–2011), Canadian metallurgical engineer William Morgan Williams, presenter of a 1969 Frazer Lecture
Art and entertainment William Williams Pantycelyn (1717–1791), Welsh composer of hymns William Williams (artist) (1727–1791), artist and author of American novel Penrose William Williams (antiquary) (Gwilym Ddu o Arfon, 1739–1817), Welsh historian and poet William Joseph Williams (1759–1823), American painter William Williams (Gwilym Cyfeiliog) (1801–1883), Welsh poet and hymnwriter William Williams (Carw Coch) (1808–1872, bardic name Carw Coch), Welsh literary figure William Williams (Creuddynfab) (1814–1869), Welsh poet and literary critic William Aubrey Williams (1834–1891, bardic name Gwilym Gwent), Welsh composer William Williams (Crwys) (1875–1968, bardic name Crwys), Welsh-language poet Billy Williams (music hall performer) (1878–1915), vaudeville entertainer William Carlos Williams (1883–1963), American poet William Emrys Williams (1896–1977), known as Bill, editor-in-chief of Penguin Books, 1936–1965 W. S. Gwynn Williams (William Sidney Gwynn Williams, 1896–1978), Welsh musician William B. Williams (DJ) (1923–1986), disc jockey on New York City radio station WNEW Billy Williams (cinematographer) (1929–2025), British cinematographer Bill Williams (journalist) (1934–2025), American television journalist Billy Dee Williams (born 1937), American actor William T. Williams (born 1942), New York painter Willie Williams (set designer) (born 1959), British theatrical stage set, lighting designer and video director
Military William Peere Williams-Freeman (1742–1832), Royal Navy officer and admiral of the fleet William Williams (printer and publisher) (1787–1850), American printer, publisher and colonel during the War of 1812 William Williams (soldier) (died 1815), soldier killed in defense of Fort McHenry during the War of 1812 William Fenwick Williams (1800–1883), Canadian-born British military leader William Orton Williams (1839–1863), Confederate officer executed as a spy William Williams (Medal of Honor) (1840–1893), Medal of Honor recipient of the American Civil War William Haliday Williams (1845–1916), American Civil War soldier and Medal of Honor recipient William Charles Williams (1880–1915), Victoria Cross recipient of the First World War William Williams (VC) (1890–1965), Victoria Cross recipient of the First World War William Williams (naval officer), American naval officer in the American Revolution
Politics U.S. William Williams (Connecticut politician) (1731–1811), US Continental Congressman William M. Williams (Texas politician) (1809–1859), politician in the Texas House and Senate William B. Williams (Mississippi politician), served 1870-1871 William Williams (Massachusetts politician) (1814–1887), mayor of Gloucester, Massachusetts in 1879 and 1882 William Williams (New York politician) (1815–1876), US Representative from New York William Williams (Indiana politician) (1821–1896), US Representative from Indiana William B. Williams (Michigan politician) (1826–1905), US Representative from Michigan William M. Williams Jr. (1846–?), member of the Wisconsin State Assembly William E. Williams (1857–1921), U.S. Representative from Illinois William B. Williams (Oklahoma politician) (1859/1860–1931), member of the Oklahoma House of Representatives William R. Williams (1884–1972), US Representative from the state of New York William Reid Williams (1866–1931), US Assistant Secretary of War William White Williams (born 1947), American white nationalist William Williams (surgeon) (1856–1919), Surgeon General William Williams (commissioner) (1862–1947), Commissioner of Immigration, Ellis Island William R. Williams (California politician), California State Treasurer, 1907–1911 Bill K. Williams (1943–2019), American politician
UK Sir William Williams, 6th Baronet (died 1696), Welsh politician Sir William Williams, 1st Baronet, of Gray's Inn (1634–1700), Welsh lawyer and politician, speaker of the House of Commons Sir William Williams, 2nd Baronet, of Gray's Inn (1665–1740), Welsh politician, Member of Parliament (MP) for Denbigh, 1708–1710 William Peere Williams (1664–1736), MP for Bishop's Castle, 1722–1727 Sir William Williams, 2nd Baronet, of Clapton (1730–1761), MP for New Shoreham, 1758–1751 William Addams Williams (1787–1861), British Member of Parliament for Monmouthshire William Williams (Radical politician) (1788–1865), Welsh businessman based in London, Radical MP 1835–1847 and 1850–1865 William Williams (Swansea MP) (1840–1904), British Member of Parliament for Swansea District 1893–1895 William Williams (Labour politician) (1895–1963), British civil servant and politician Thomas Williams (Warrington MP) (William Thomas Williams, 1915–1986), British Member of Parliament for Warrington William Williams (Weymouth MP) (1774–1839), British Member of Parliament for Weymouth and Melcombe Regis W. Llewelyn Williams (1867–1922), Welsh journalist, lawyer and Liberal Party politician
Other countries William Williams (New South Wales politician) (1856–1947), member of the New South Wales Legislative Assembly William Williams (Tasmanian politician) (1851–1924), member of the Tasmanian Legislative Council William J. Williams, elected in the Alberta general election, 1944 under the Veterans' and Active Force party banner
Religion William Williams (Archdeacon of Cashel) ( 17th century), Irish Anglican clergyman William Williams of Wern (1781–1840), Welsh Independent minister, promoter of the General Union movement of 1834 William Williams (bishop) (1800–1878), bishop of Waiapu in New Zealand William Williams (Caledfryn) (1801–1869), Welsh Congregational minister, poet and literary critic Leonard Williams (bishop) (William Leonard Williams, 1829–1916), of Waiapu in New Zealand William Augustine Williams, African-American linguist, librarian, Catholic seminarian William Williams (priest) (1848–1930), Dean of St David's, 1919–1931 William Williams (Methodist) (1848–1913), minister and naturalist in Victoria, Australia William A. Williams (creationist) (1854–1938), American Presbyterian clergyman William Williams (missionary) (1859–1892), Welsh missionary to East Khasi Hills, India William J. Williams (Methodist) (1884–1956) in Victoria, Australia William Richard Williams (theologian) (1896–1962), principal of the United Theological College Aberystwyth
Sports American football William M. Williams (American football) (1877–1932), head coach of the Clemson college football program in 1897 J. William Williams (1880–1908), American football player and coach
Australian rules football Billy Williams (footballer, born 1888) (1888–1946), Australian football player for St Kilda Bill Williams (footballer, born 1904) (1904–1993), Australian rules footballer for Fitzroy Bill Williams (Australian footballer) (1925–2016), Australian rules footballer for South Melbourne Bill Williams (footballer, born 1929) (1929–2009), Australian rules footballer for Richmond and Stawell Gift winner
Association football William Williams (footballer, born 1856) (1856–?), Welsh international footballer in the 1870s and 1880s Billy Williams (footballer, born 1876) (1876–1929), former England and West Bromwich Albion footballer William Williams (footballer, born 1892) (1892–1926), English footballer Bill Williams (1900s footballer), English football player Billy Williams (footballer, born 1905) (1905–1994), former West Ham United and Chelsea footballer Bill Williams (footballer, born 1942), English football player Bill Williams (footballer, born 1960), English football player John Williams (footballer, born 1960) (William John Williams), English footballer
Athletics Will Williams (long jumper) (born 1995), American long jumper
Baseball William Williams (baseball) (1916–2009), co-owner of the Cincinnati Reds baseball team Billy Williams (umpire) (1930–1998), baseball umpire Billy Williams (right fielder) (1932–2013), baseball player for the 1969 Seattle Pilots
Cricket William Williams (cricketer, born 1844) (1844–1885), English cricketer Billy Williams (sportsman) (1861–1951), Middlesex and MCC cricketer, also a rugby union player, referee and administrator Will Williams (born 1992), New Zealand cricketer
Rugby William Williams (rugby union) (1866–1945), Welsh rugby union footballer in the 1880s and 1890s William Henry Williams (rugby union) (1873–1936), Welsh rugby union footballer who played in the 1900s for Wales, Pontymister RFC, and London Welsh RFC William Williams (Halifax RLFC) (20th century), Welsh rugby league footballer in the 1900s and 1910s Billy Williams (rugby, born 1905) (1905–1973), rugby union and rugby league footballer of the 1920s and 1930s for Great Britain and Wales Billy Williams (rugby, born 1925) (1925–2007), Welsh rugby union and rugby league footballer in the 1940s Billy Williams (rugby union, born 1929) (1929–2013), Wales and British and Irish Lions international rugby union player
Other William S. Williams (1787–1849), mountain man and frontiersman William S. Williams, travelled to South Australia on the Cygnet in the First Fleet of South Australia in 1836 W. Llewelyn Williams (1867–1922), Welsh journalist, lawyer and Liberal politician William Muir Williams, judge of the Supreme Court of Missouri in 1898 William Williams (murderer) (1877–1906), last person executed by Minnesota William M. Williams, US Commissioner of Internal Revenue 1920–1921 William Emrys Williams (1896–1977), British educationalist and editor-in-chief of Penguin Books William Appleman Williams (1921–1990), American historian William Williams (brewer), settler and brewer in the Province of South Australia William Williams, a character in 2006 film American Dreamz Willie Williams (murderer) (1956–2005), American murderer
See also Sir William Williams (disambiguation) Sir William Williams, 1st Baronet (disambiguation) William J. Williams (disambiguation) William Peere Williams (disambiguation) William Thomas Williams (disambiguation) Willie Williams (disambiguation) Bill Williams (disambiguation) Billy Williams (disambiguation) William J. McWilliams, from Secretary of State of Maryland in 1956