William Armstrong

William Armstrong and its variations may refer to:

• William Armstrong (Virginia) (1782–1865), U.S. Representative from Virginia
• William Armstrong, Baron Armstrong of Sanderstead (1915–1980), British civil servant
• William Armstrong (Australian politician) (1862-1936), member of the Queensland Legislative Assembly on two occasions
• William Boardman Armstrong (1883–1954), lawyer and political figure in Nova Scotia, Canada
• William H. Armstrong (assemblyman), Wisconsin legislator
• William Hepburn Armstrong (1824–1919), U.S. Representative from Pennsylvania
• William James Armstrong (1826–1915), merchant, miller and politician in British Columbia
• William L. Armstrong (1937-2016), U.S. Senator from Colorado
• William N. Armstrong, member of King Kalakaua's Cabinet; accompanied the king on his world tour and authored Around the World With a King'
• William Armstrong (1795–1847), mayor of Nashville, Tennessee
• Bill Armstrong (politician) (1909–1982), Australian politician
• Billy Armstrong (born 1941), politician in Northern Ireland
• William W. Armstrong (journalist) (1833–1905), U.S. journalist and politician from Ohio
• William W. Armstrong (politician) (1864–1944), U.S. lawyer and politician in New York state

• William Armstrong (American artist) (born 1938), American artist
• William Armstrong (Canadian artist) (1822–1914), Canadian artist
• Bill Armstrong (photographer), American fine art photographer

• Bill Armstrong (announcer) (1932–2000), game show announcer
• Bill Armstrong (coach) (1873–1938), American college football coach
• Bill Armstrong (footballer) (1913–1995), English footballer
• Bill Armstrong (guard) (1920–1976), American football player
• Bill Armstrong (defensive back) (born 1955), American football player
• Bill Armstrong (ice hockey, born 1966), ice hockey player
• Bill Armstrong (ice hockey, born 1970), ice hockey player and coach
• William Armstrong (footballer) (born 1892), Australian rules footballer
• Bill J. Armstrong (born 1936), former Australian rules footballer
• William Armstrong (rugby league), rugby league footballer of the 1920s

• William Armstrong (music critic) (1858–1942), American music critic
• Billie Joe Armstrong (born 1972), American rock musician with Green Day
• William "Willie" Armstrong (1804–?), Newcastle upon Tyne-born singer-songwriter

• William Armstrong (Christie's Will) (c. 1602–c. 1658), Scottish border freebooter, known as "Christie's Will"
• William Armstrong, 1st Baron Armstrong (1810–1900), British industrialist
• William "Duff" Armstrong (1833–1889), 1858 defendant for the murder of James Preston Metzker in Mason County, Illinois
• William H. Armstrong (1911–1999), author of the children's book Sounder'
• William T. Armstrong (1929–2005), Canadian Broadcasting Corporation executive
• William Ward Armstrong, Canadian mathematician and computer scientist
• Billy Armstrong (actor) (1891–1924), British actor