Lyon is a surname. Notable people with the surname include:

• A. Laurence Lyon (1934–2006), American music composer
• Alexander Lyon (disambiguation)
• Alastair Lyon (born 1979), South African rugby player
• Anne Bozeman Lyon (1860–1936), American writer
• Arthur Lyon (disambiguation)
• Asa Lyon (1763–1841), American politician
• Babe Lyon (1907–1970), American football player
• Barbara Lyon (1931–1995), American-born singer who lived and worked mostly in England
• Barrett Lyon (born 1978), American computer entrepreneur
• Ben Lyon (1901–1979), American film actor
• Beverley Lyon (1902–1970), British cricketer
• Bill Lyon (1886–1962), Australian football player
• Billy Lyon (born 1973), American football player
• Bob Lyon (born 1955), American politician
• Brandon Lyon (born 1979), American baseball pitcher
• Bruce Lyon, American film producer
• Caleb Lyon (1822–1875), American politician from Idaho
• Charles Lyon (disambiguation)
• Chittenden Lyon (1787–1842), American politician
• Christopher Lyon, American political consultant
• Daniel Lyon (born 1980), American wrestler
• Danny Lyon (born 1942), American photographer and filmmaker
• David Lyon (disambiguation)
• Dar Lyon (1898–1964), English cricketer
• Duffy Lyon (1929–2011), American farmer and butter sculptor
• Edward E. Lyon (1871–1931), American soldier and war hero
• Elinor Lyon (1921–2008), English author
• Francis D. Lyon (1905–1996), American film editor
• Francis Strother Lyon (1800–1882), American and Confederate States politician
• Frank Lyon (1867–1955), American lawyer, newspaper publisher and land developer
• Fred Lyon (1924–2022), American photographer
• Frederick A. Lyon (1843–1911), American soldier, awarded the Medal of Honor
• Gail Lyon, American filmmaker
• Garry Lyon (born 1967), Australian rules footballer
• George Lyon (disambiguation)
• Gordon Lyon (born 1977), computer expert
• Gustave Lyon (1857–1936), French piano maker, acoustician and inventor
• Guy J. Lyon (1933–2001), American horse trainer
• Harris Merton Lyon (1882–1916), American author
• Harry Lyon (disambiguation)
• Hart Lyon (1721–1800), British rabbi
• Homer L. Lyon (1879–1956), American politician
• Howard Lyon, American artist
• Hylan B. Lyon (1836–1907), Confederate general in the American Civil War
• Ivan Lyon (1915–1944), British Second World War lieutenant colonel
• James Lyon (disambiguation)
• Jamie Lyon (born 1982), Australian rugby player
• Jason Lyon (born 1986), Canadian archer
• Jean Lyon, Countess of Strathmore and Kinghorne (1713–1778), British noblewoman
• Jennifer Lyon (1972–2010), American actress
• Jimmy Lyon (disambiguation)
• Jo Anne Lyon (born 1940), American Methodist
• John Lyon (disambiguation)
• Joshua Lyon (born 1974), American author
• Juliet Lyon, director of Prison Reform Trust
• Leo De Lyon (1925–2021), American voice actor
• Leviticus Lyon (1894–1958) American tenor vocalist, stage director
• Lisa Lyon (1953–2023), American bodybuilder
• Lucius Lyon (1800–1851), American politician
• Lyon sisters, two teenagers who vanished in 1975
• Marcus Ward Lyon, Jr. (1875–1942), American mammalogist, bacteriologist, and pathologist
• Marion Jean Lyon (1885–1940), British advertising manager
• Mary Lyon (1797–1849), American pioneer in women's education
• Mary Lyon (writer), American author
• Mary F. Lyon (1925–2014), English geneticist
• Matthew Lyon (1749–1822), American politician
• Myer Lyon (1750–1797), German-born English singer
• Nathan Lyon (chef), American television personality and chef
• Nathan Lyon (cricketer) (born 1987), Australian cricketer
• Nathaniel Lyon (1818–1861), American Civil War general
• Nick Lyon (born 1970), American filmmaker
• Noah Lyon (born 1979), American artist
• P. H. B. Lyon (1893–1986), British poet and educator
• Peter Lyon (born 1941), Australian football player
• Phyllis Lyon (1924–2020), American feminist and gay-rights activist
• Richard Lyon (disambiguation)
• Rick Lyon (born 1958), American puppeteer
• Robert Lyon (disambiguation)
• Rod Lyon, British radio personality
• Ross Lyon (born 1966), Australian football player and coach
• Russ Lyon (1913–1975), American baseball player
• Sam Lyon (1890–1916), English footballer
• Sterling Lyon (1927–2010), Canadian politician from Manitoba
• Steve Lyon (born 1952), Canadian hockey player
• Sue Lyon, (1946–2019), American actress
• T. Edgar Lyon (1903–1978), American scholar
• Thomas Lyon (disambiguation)
• Tom Lyon, British escape artist
• Waldo K. Lyon (1914–1998), American Navy research scientist
• Walter Lyon (poet) (1887–1915), British war poet
• Walter Lyon (cricketer) (1841–1918), English cricketer
• Walter Lyon (Pennsylvania politician) (1853–1933), American politician
• William Lyon (film editor) (1903–1974), American film editor
• William Lyon (bishop) (died 1617), British cleric
• William Lyon (general) (1923–2020), American Air Force major general
• William C. Lyon (1841–1908), American politician from Ohio
• William Durie Lyon (1825–1893), Canadian politician
• William P. Lyon (1822–1913), American politician

Fictional characters

• Adam Lyon, the main character of My Gym Partner's a Monkey who attends a school for animals instead of humans, due to a clerical error misspelling his surname as “Lion” instead of “Lyon”.

See also

• General Lyon (disambiguation)
• Senator Lyon (disambiguation)
• Lyons (surname)

Surname list

This page lists people with the surname Lyon.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.