John Downey

John Downey may refer to:


 * John G. Downey (1827–1894), Governor of California
 * John T. Downey (1930–2014), former CIA officer shot down over communist China and imprisoned for two decades
 * John V. Downey (c. 1884–1960), New York politician
 * John W. Downey (1927–2004), contemporary classical composer
 * John Downey (Iowa politician) (1834–1906), Irish-born American politician in Iowa
 * John Downey (RAF officer) (1920–2010)
 * John Anthony Downey, accused of carrying out the Hyde Park bombing in 1982