William Williams
William Williams may refer to:

Art and literature
William Williams (artist) (1727–1791), artist and author of American novel Penrose
William Joseph Williams (1759–1823), artist who painted three presidents
William Williams (antiquary) (Gwilym Ddu o Arfon, 1739–1817), Welsh historian and poet
William Williams (Carw Coch) (1808–1872, bardic name Carw Coch), Welsh literary figure
William Williams (Creuddynfab) (1814–1869), Welsh poet and literary critic
William Williams (Crwys) (1875–1968, bardic name Crwys), Welsh-language poet
William Carlos Williams (1883–1963), American poet
William T. Williams (born 1942), New York painter

Military
William Williams (printer and publisher) (1787–1850), printer, publisher and colonel during the War of 1812
William Williams (soldier) (died 1814), soldier killed in defense of Fort McHenry during the War of 1812
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 Fenwick Williams (1800–1883), Canadian-born British military leader
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 Williams (New York politician) (1815–1876), US Representative from New York
William Williams (Indiana politician) (1821–1896), US Representative from Indiana
William B. Williams (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 R. Williams (1884–1972), US Representative from the state of New York
William Reid Williams (1866–1931), United States Assistant Secretary of War
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

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

Religion
William Williams (Archdeacon of Cashel) (fl. 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), third bishop of Waiapu in New Zealand
William Augustine Williams, African-American linguist, librarian, Catholic seminarian, and public figure
William Williams (priest) (1848–1930), Dean of St David's, 1919–1931
William Williams (minister) (1848–1913), Australian Methodist minister and president-general of the Methodist Church of Australasia 1907–1910
William A. Williams (creationist) (1854–1938), American Presbyterian clergyman and creationist writer
William Williams (missionary) (1859–1892), Welsh missionary to East Khasi Hills, India
William Richard Williams (theologian) (1896–1962), theologian and principal of the United Theological College Aberystwyth

Sports
Football and rugby
William Williams (footballer, born 1856) (1856–?), Welsh international footballer in the 1870s and 1880s
William Williams (footballer, born 1892) (1892–1926), English footballer
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
Billy Williams (rugby, born 1925) (1925–2007), Welsh rugby union and rugby league footballer in the 1940s
William Williams (Halifax RLFC) (20th century), Welsh rugby league footballer in the 1900s and 1910s
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
John Williams (footballer, born 1960) (William John Williams), English footballer

Other sports
William Williams (baseball) (1916–2009), co-owner of the Cincinnati Reds baseball team
William Williams (cricketer, born 1844) (1844–1885), English cricketer
Will Williams (born 1992), New Zealand cricketer

Other
William Williams Pantycelyn (1717–1791), Welsh composer of hymns
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
William Mattieu Williams (1820–1892), English writer on science
William Williams (veterinary surgeon) (1832–1900), Welsh veterinary surgeon
William Owen Williams (1860–1911), British veterinarian
William Aubrey Williams (1834–1891), bardic name Gwilym Gwent), Welsh composer
William Muir Williams, judge of the Supreme Court of Missouri in 1898
William Henry Williams (1852–1941), English-born Australian headmaster and professor
William Williams (doctor) (1855/6–1911), Welsh doctor and writer on sanitation issues
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 Williams (surveyor) (1901–1995), British academic at Cambridge
William H. Williams (1910–1999), British production manager and producer
W. T. Williams (William Thomas Williams, 1913–1995), English and Australian botanist and plant taxonomist
William Appleman Williams (1921–1990), American historian
William B. Williams (DJ) (1923–1986), disc jockey on New York City radio station WNEW
William Williams (metallurgist) (1927–2011), Canadian metallurgical engineer
William T. B. Williams, dean at the Tuskegee Institute
William Williams (brewer), settler and brewer in the Province of South Australia
William Morgan Williams, presenter of a 1969 Frazer Lecture
William Williams, character in 2006 film American Dreamz

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)