John or Jack Healy may refer to:
Sports John Healy (cricketer) (1851–1916), Australian cricketer Egyptian Healy (John J. Healy, 1866–1899), American baseball player John Healy (hurler), Irish hurler
Others John Healy (entrepreneur) (1840–1908), American businessman John Healy (bishop) (1841–1918), Irish Catholic cleric John Edward Healy (1872–1934), Irish journalist John Healy (Australian politician) (1894–1970) Jack Healy (died 1972), American actor John Farmer Healy (1900–1973), Jamaican-born Catholic bishop John F. Healy (c.1924–2012), British scholar, classicist and writer Jack H. Healy (1929–2012), American geophysicist John Healy (Irish journalist) (1930–1991), Irish journalist John Healy (Irish politician) (died 1995), Irish politician John Healy (author) (born 1943), British chess player and writer John P. Healy (born c. 1967), United States Air Force officer
See also John Healey (disambiguation) Jackie Healy-Rae (1931–2014), Irish politician Jack Healey (born 1938), human rights activist