John Henry most commonly refers to:

• John Henry (folklore)

John Henry may also refer to:

• John Henry (actor) (1738–1794), Irish and early American actor
• Seán Ó hEinirí (1915–1998), known in English as John Henry, Irish storyteller and known monolingual speaker of the Irish language
• Don Marion Davis (1917–2020), American former child actor known as John Henry Jr.
• John Raymond Henry (1943–2022), American sculptor
• John Henry (born c. 1972), American vocalist in the band Darkest Hour
• Jon Henri, a pseudonym used by American cartoonist Joe Simon

• John Henry (Maryland politician) (1750–1798), U.S. senator from and governor of Maryland
• John Vernon Henry (1767–1829), American politician, New York State comptroller
• John Flournoy Henry (1793–1873), U.S. representative from Kentucky
• John Franklin Henry, Mississippi state representative from 1884 to 1885
• John Henry (representative) (1800–1882), U.S. representative from Illinois
• John Snowdon Henry (1824–1896), British politician from South-East Lancashire
• John Henry (Australian politician) (1834–1912), Tasmanian House of Assembly member and treasurer of Tasmania
• Jack Henry (Australian communist) (1904–1976)
• John Henry (Ontario politician) (born 1960), Canadian politician, mayor of Oshawa, Ontario
• John Henry (Cook Islands politician), Cook Islander politician
• John Henry Mitchell, Canadian politician from Ontario

• John Henry (outfielder/pitcher) (1863–1939), American baseball outfielder/pitcher
• John Henry (catcher) (1889–1941), American baseball catcher
• John Henry (footballer) (born 1971), Scottish footballer

• John Henry, Margrave of Moravia (1322–1375), also Count of Tyrol
• John Joseph Henry (1758–1811), American Revolutionary War soldier
• John Henry (spy) (c. 1776 – 1853), British spy
• J. L. Henry (John Lane Henry, 1831–1907), Supreme Court of Texas judge
• John Henry (judge) (born c. 1933), New Zealand jurist
• John Henry (toxicologist) (1939–2007), English toxicologist
• John Ruthell Henry (1951–2014), American serial killer
• John W. Henry (born 1949), American businessman and owner of sports teams
• John B. Henry Jr. (1916–2013), United States Air Force general

• John Henry, a character/stage name of the comedian Norman Clapham (1879–1934)
• John Henry, character in the 2006 comic series The Transformers: Evolutions
• John Henry, character in the Terminator: The Sarah Connor Chronicles science-fiction TV series
• John Henry (DC Comics), alter ego of John Wilson, character in DC Comics
• Steel (John Henry Irons), character from DC Comics, more commonly known as the superhero Steel

• John Henry (2000 film), a short film in the Disney's American Legends series
• John Henry (2020 film), a dramatic thriller film starring Terry Crews and Ludacris
• John Henry, a character in the 1963 film All the Way Home

• John Henry (novel), a 1931 novel by Roark Bradford
• John Henry, an American Legend (1971), a children's book by Ezra Jack Keats
• John Henry (picture book) (1994) a children's picture book by Julius Lester

• John Henry (album), a 1994 album by They Might Be Giants
• "John Henry" or "John Henry Blues", a song recorded by DeFord Bailey
• John Henry (musical), a 1940 Broadway musical based on the 1931 novel

• John Henry (horse) (1975–2007), American Thoroughbred race horse
• John Henry, an American brand of clothing, originated by Henry Grethel, now owned by Perry Ellis International

• All pages with titles beginning with John Henry
• All pages with titles containing John Henry
• John Hemry
• John Henryism, a psychological term for a type of coping behaviours, named after the folklore John Henry
• Jack Henry (disambiguation)