John Conolly (1794–1866) was an English physician who was a pioneer in the field of psychiatry.
John Conolly may also refer to:
John Augustus Conolly (1829–1888), Irish soldier, recipient of the Victoria Cross John Richard Arthur Conolly (1870–1945), Australian member of parliament, son of the above John H. Conolly (1935–1988), American businessman and politician John Conolly, British folk musician
See also John Connolly (disambiguation) John Connelly (disambiguation) John Connally (1917–1993), American politician in Texas