John Lyons
John Lyons may refer to:
Australia
- John Lyons (Australian politician) (1885–1948), South Australian politician
- John Lyons (journalist) (born 1961), ABC Foreign Affairs Editor
Canada
- John P. Lyons (1876–?), Canadian diver
- John Lyons (bishop) (1878–1958), Bishop of Ontario, 1932–1952
Caribbean
- John Lyons (Antiguan politician) (1760–1816), Antiguan politician
- John Lyons (poet) (born 1933), Trinidad-born poet, artist and educator
England, Ireland, Wales
- John Lyons (Royal Navy officer, born 1787) (1787–1872), British admiral
- John Charles Lyons (1792–1874), Anglo-Irish landowner, politician, antiquary, and horticulturalist
- John Lyons (VC) (1824–1867), Irish soldier in the British army, recipient of the Victoria Cross
- John Lyons (Longford politician), Irish independent / Labour Party politician, represented Longford-Westmeath, 1922–1927
- J. B. Lyons (1922–2007), John Binignus Lyons, Irish medical historian and writer
- John Lyons (hurler) (1923–2005), Irish sportsperson
- John Lyons (trade unionist) (1926–2016), British trade union leader
- John Lyons (linguist) (1932–2020), British linguist
- John Lyons (actor) (born 1943), British actor
- John Lyons (British politician) (born 1949), Labour Party politician
- John Lyons (footballer) (1956–1982), Welsh footballer
- John Lyons (Dublin politician) (born 1977), Irish Labour politician representing Dublin North West 2011–2016
U.S.
- John Lyons (Louisiana) (c. 1822–1864), American steamship captain and plantation owner
- John J. Lyons (c. 1881–1945), Secretary of State of New York, 1921–1922
- John H. Lyons (1891–1961), American labor union leader
- John Lyons (ice hockey) (1900–1971), ice-hockey player, competed in the 1924 Winter Olympics
- John Lyons (end) (1911–1981), American football player
- John H. Lyons Jr. (1919–1986), American labor union leader
- John W. Lyons, mayor of Cambridge, Mass., 1938–1941
- John Lyons (horse trainer) (born 1947), author and horse trainer
- John Lyons (American football coach) (born 1952), American football coach
- Tison v. Arizona (died 1978), American murder victim