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 Wigan John Hardy (MP) (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 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 (producer), American producer of films such as Schizopolis, Erin Brockovich or Gray's Anatomy John Hardy (minister), English minister who ran a dissenting academy in Nottingham John Hardy, founder of Hardy Brothers jewellers in 1853 John Hardy Gondwe, ruler of Nkamanga, 1932–1977