John Hardy

John Hardy may refer to:


 * "John Hardy" (song) (first recorded 1924), an American folk song about a murderer, hanged in 1896
 * John Hardy (aviator) (born 1942), Australian aviator and Administrator of the Northern Territory
 * John Hardy (composer) (born 1957), British composer, active since 1994
 * John Hardy (geneticist) (born 1954), British human geneticist and molecular biologist
 * John Hardy (jewelry), jewelry company, founded in 1975
 * John Hardy (fl. 1395–1406), MP for Wilton
 * John Hardy (MP for Bradford) (1773–1855), British MP and businessman and father of first Earl of Cranbrook
 * John Hardy (US politician) (1835–1913), U.S. Representative from New York
 * Sir John Hardy, 1st Baronet (1809–1888), British Conservative Member of Parliament
 * John Crumpton Hardy (1864–1938), President of the Mississippi Agricultural and Mechanical College
 * John Richard Hardy (1807–1858), Australian gold commissioner
 * John Stockdale Hardy (1793–1849), English attorney
 * John Spencer Hardy (1913–2012), American lieutenant general during World War II
 * Jack Hardy (singer-songwriter) (John Studebaker Hardy, 1947–2011), American lyrical singer-songwriter and playwright
 * John Hardy (footballer) (1899–1932), English footballer
 * John Herbert Hardy (1893–1969), British Army officer
 * John Hardy, American producer of films such as Schizopolis
 * John Hardy (minister), English minister who ran a dissenting academy in Nottingham
 * John Hardy, founder of Hardy Brothers jewellers in 1853
 * John Hardy (West Virginia politician), member of the lower house of west virginia's legislature