William Johnston may refer to:
Military William Henry Johnston (1879–1915), Scottish recipient of the Victoria Cross William J. Johnston (1918–1990), American soldier and Medal of Honor recipient William Preston Johnston (1831–1899), lawyer, scholar, poet, and Confederate soldier Willie Johnston (Medal of Honor) (1850–1941), drummer boy in Company D of the 3rd Vermont Infantry William Johnston (British Army officer), colonel of the 68th (Durham) Regiment of Foot (Light Infantry) 1838–1844 William Wallace Stewart Johnston (1887–1962), Australian soldier and medical doctor William Johnston Jr. (1861–1933), American military officer William P. Johnston (1849–1888), American sailor and recipient of the Medal of Honor
Politics William Johnston (Australian politician) (1829–1894), one of the Members of the New South Wales Legislative Assembly, 1874–1877 William Johnston (Canadian politician) (1876–1925), Labour MLA for Medicine Hat, 1921–1926 William Johnston (congressman) (1819–1866), U.S. representative from Ohio William Johnston (Irish politician) (1829–1902), Irish politician and Orangeman William Johnston (judge) (1804–1891), judge, legislator and bureaucrat from Ohio William Johnston (Lord Provost) (1802–1888), Scottish map publisher and Lord Provost of Edinburgh William E. Johnston (politician) (1838–1899), member of the South Carolina House of Representatives William Ernest George Johnston (1884–1951), Lord Mayor of Belfast William Erskine Johnston (1905–1993), Canadian politician William F. Johnston (1808–1872), governor of Pennsylvania, 1848–1852 William Agnew Johnston (1848–1937), American politician in Kansas William Johnston (California politician), President pro tempore of the California State Senate William Johnston (Ontario politician), Ontario MLA Bill Johnston (politician) (William Joseph Johnston, born 1962), Australian politician
Religion William Johnston (minister) (1921–2005), moderator of the General Assembly of the Church of Scotland Frank Johnston (priest) (William Francis Johnston, 1930–2023), Anglican priest and military chaplain William Johnston (bishop) (1914–1986), of Dunwich William Johnston (priest) (1925-2010), Jesuit priest, and Christian Zen meditation advocate
Sports William Johnston (athlete) (born 1964), Paralympic athlete from Ireland William Johnston (cricketer) (1867–1947), New Zealand cricketer Bill Johnston (cricketer) (William Arras Johnston, 1922–2007), Australian cricketer William E. Johnston (American football), American football player and coach of football, basketball and baseball Willie Johnston (born 1946), Scottish former footballer Billy Johnston (footballer, born 1901) (William Gifford Johnston, 1901–1964), Scottish footballer Billy Johnston (footballer, born 1942) (William Cecil Johnston), footballer and manager from Northern Ireland Wade Johnston (William Wade Johnston, 1898–1978), American baseball player Delirious (wrestler) (William Hunter Johnston, born 1980), professional wrestler Massa Johnston (William Johnston, 1881–1951), New Zealand rugby union and rugby league representative Billy Johnston (rugby union) (1885–1939), English rugby union player Bill Johnston (rugby union, born 1896) (William Carstairs Johnston, 1896–1983), Scotland international rugby union player Bill Johnston (tennis) (William Marquitz Johnston, 1894–1946), American tennis player William Johnston (footballer) from List of Northern Ireland international footballers William Johnston (ice hockey) in Manitoba Hockey Hall of Fame
Others William Johnston (painter) (1732–1772), colonial American painter William Johnston (novelist) (1924–2010), American novelist William Johnston of Liverpool (1841–1917), early benefactor of the University of Liverpool, Liverpool, England William Andrew Johnston (1871–1929), American journalist and author William Campbell Johnston (1860–1938), Scottish lawyer and cricketer Will Johnston (William Michael Johnston, born 1936), American historian William N. Johnston, 16th president of Wesley College (Delaware) William L. Johnston (1811–1849), carpenter-architect in Philadelphia William Johnston (producer) from Canadian Screen Award for Best Motion Picture William Johnston (screenwriter) of The Truth About Love William Johnston (editor) from Edward Quillinan William Johnston (mariner) from Johnston Passage William John Johnston (1868–1940), Irish barrister and judge
See also Bill Johnston (disambiguation) William Johnson (disambiguation) William Johnstone (disambiguation)