William Johnson may refer to:
Entertainment
- Bunk Johnson (William Gary Johnson, 1879–1949), American jazz musician
- William H. Johnson (artist) (1901–1970), African-American painter of the Harlem Renaissance
- William Johnson (actor) (1916–1957), American actor
- William Johnson (organist), English-born organist, composer and organ builder in Sydney, Australia
- William Manuel Johnson (1872–1972), American jazz musician
- William L. Johnson, American actor and musician
- William Allen Johnson (1816–1901), American organ builder, founder of Johnson Organs
- Zip the Pinhead (William Henry Johnson, 1842–1926), American circus entertainer
Law
- William Johnson (judge) (1771–1834), Justice of the United States Supreme Court
- SS William Johnson, a Liberty ship
- William Johnson (New Hampshire judge) (1930–2009), American state supreme court judge
- William Tell Johnson (1848–1930), American lawyer and judge from Missouri
- William John Johnston (1868–1940), Irish barrister and judge
- William Moore Johnson (1828–1918), Irish barrister and judge
- William Paul Johnson (born 1959), U.S. federal judge
Military
- William Johnson, 1st Baronet (1715–1774), Anglo–Irish major general and British Indian agent
- William Johnson, 4th Baronet (1830–1908), English soldier and aristocrat
- William Henry Johnson (VC) (1890–1945), English recipient of the Victoria Cross
- Henry Johnson (World War I soldier) (William Henry Johnson, 1892–1929), American recipient of the Purple Heart and Medal of Honor
- William Johnson (Medal of Honor) (1855–1903), American recipient of the Medal of Honor
- William Johnson (Royal Navy officer) (1784–1851), Scottish naval captain
Politics
United States
- William Johnson (educator) (1895–1981), educator who served as Superintendent of Chicago Public Schools
- William A. Johnson Jr. (born 1942), mayor of Rochester, New York
- William A. Johnson (Wisconsin politician) (1922–1977), state legislator from Milwaukee
- William Cost Johnson (1806–1860), Maryland congressman
- William Daniel Johnson (born 1954), white nationalist, attorney, and perennial candidate
- William E. Johnson (Nebraska politician) (1906–1976), lieutenant governor of Nebraska
- William E. Johnson (prohibitionist) (1862–1945), temperance movement leader
- William Elting Johnson (1837–1912), New York politician
- William F. Johnson (1819–?), mayor of Lynn, Massachusetts
- William H. Johnson (Wisconsin politician), Wisconsin state legislator
- William Johnson (Seneca County, NY) (1821–1875), New York State Senator and Civil War colonel
- William M. Johnson (1847–1928), New Jersey state senator
- William Richard Johnson (1875–1938), Illinois congressman
- William Samuel Johnson (1727–1819), United States Founding Father
- William Wallace Johnson (1813–1900), Wisconsin State Assemblyman
- William Ward Johnson (1892–1963), U.S. Representative from California
- William Wartenbee Johnson (1826–1887), Ohio politician and judge
United Kingdom
- William Johnson (MP for Kingston-upon-Hull) (by 1523 – 1553 or later), MP for Kingston–upon–Hull
- William Johnson (MP for Aldeburgh) (c. 1660–1718), MP for Aldeburgh, and for Orford
- William Augustus Johnson (1777–1863), English soldier and MP
- William Cowlishaw Johnson (1862–1943), member of London County Council
- William Johnson (Liberal-Labour politician) (1849–1919), English coal miner, trade unionist and Liberal–Labour politician
- William Johnson (trade unionist) (1866–?), English trade union leader and socialist activist
- William Johnson (MP for Bedford) (by 1513–1558), MP for Bedford and New Woodstock
Other countries
- William Dartnell Johnson (1870–1948), Labor politician from Western Australia
- William Johnson (Australian politician) (1871–1916), Australian politician
- Elliot Johnson (politician) (William Elliot Johnson, 1862–1932), Australian politician
- William James Johnson (Canadian politician) (1881–1949), Canadian politician in the Legislative Assembly of British Columbia
- William Granger Johnson, Fijian businessman and politician
- Sir William Gillilan Johnson, Irish politician and barrister
- William Johnson (Irish politician) (1760–1845), Irish politician, law officer and judge
Religion
- William Johnson (bishop) (1889–1960), Anglican Bishop of Ballarat, Australia
- William Bullein Johnson (1782–1862), American Baptist minister, first president of the Southern Baptist Convention
- William Percival Johnson (1854–1928), Anglican missionary, translator of the Bible into Chinyanja
- William Robert Johnson (1918–1986), American Roman Catholic Bishop of Orange
- William Johnson (archdeacon) (1642–1698), Anglican priest
- William R. Johnson (minister) (born 1946), American minister of the United Church of Christ, first openly gay minister to be ordained in a historic Protestant denomination
Science
- William Johnson (surveyor) (died 1883), British surveyor in India and governor of Ladakh
- William Arthur Johnson (1816–1880), amateur biologist and clergyman in Canada
- William Frederick Johnson (1852–1934), Irish naturalist
- William B. Johnson (mathematician) (born 1944), American mathematician
- William Brooks Johnson (1763–1830), English physician and botanist
- William Summer Johnson (1913–1995), American chemist
- Mike Johnson (technologist) (William Michael Johnson), American pioneer in superscalar microprocessor design
- Bill Johnson (scientist), FRS (1922 – 2010) British engineer
Sports
- William Johnson (baseball) (1848–1909), American baseball player
- William Johnson (cricketer, born 1884) (1884–1941), Australian cricketer
- William Johnson (cricketer, born 1962), English cricketer
- William Johnson (handballer) (born 1953), American Olympic handball player
- William Johnson (rugby league) (1916–1997), rugby league footballer of the 1930s for Wales, and Huddersfield
- William Johnson (swimmer) (1947–2005), American freestyle swimmer at the 1968 Summer Olympics
- William Johnson (wrestler) (1901–1928), American wrestler
- William "Hootie" Johnson (1931–2017), American golfer
- C. William Johnson (1917–1993), American skeleton racer
- Judy Johnson (William Julius Johnson, 1899–1989), American baseball player
- Skinny Johnson (William C. Johnson, 1911–1980), American basketball player
Other professions
- William Johnson (Canadian author) (1931–2020), Canadian journalist and author
- William Johnson (barber) (1809–1851), free African American barber and businessman
- William Johnson (historian) (1909–1992), American journalist, sometimes credited William W. Johnson
- William Johnson (police officer), English police officer
- William Andrew Johnson (1858–1943), formerly enslaved American pastry chef
- William D. Johnson (CEO) (born 1954), American chairman and CEO of Progress Energy
- William D. Johnson (journalist), American journalist and labor activist
- William Ernest Johnson (1858–1931), British logician
- William Henry Johnson (valet) (died 1864), President Abraham Lincoln's barber and valet
- William Johnson Cory (1823–1892), English educator and Uranian poet
- William R. Johnson (born 1949), chairman, president, and chief executive officer of the H. J. Heinz Company
- William Templeton Johnson (1877–1957), San Diego architect
- William Woolsey Johnson (1841–1927), American mathematician
See also
- Johnson (surname)
- William R. Johnson Coliseum, an arena in Nacogdoches, Texas
With middle names
- William B. Johnson (disambiguation)
- William Henry Johnson (disambiguation)
- William R. Johnson (disambiguation)
- William S. Johnson (disambiguation)
First name variations
- Billy Johnson (disambiguation)
- Bill Johnson (disambiguation)
- Will Johnson (disambiguation)
- Willie Johnson (disambiguation)
Surname variations
- William Johnston (disambiguation)
- William Johnstone (disambiguation)
- William Jonsson, Canadian politician activist
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