John Connelly may refer to: John Connelly (baseball) (died 2013), American college baseball coach John Connelly (1910s footballer), English footballer John Connelly (footballer, born 1938) (1938–2012), English footballer John Connelly (historian), American historian John Connelly (musician) (born 1962), front man and guitarist with band Nuclear Assault John Connelly (prospector) (1860–1928), Australian prospector and mine owner John E. Connelly (1925–2009), Pittsburgh casino and riverboat owner John R. Connelly (1870–1940), U.S. Representative from Kansas
See also John Connally (1917–1993), American politician John Connolly (disambiguation) John Conolly (disambiguation)