John Farley may refer to:
John H. Farley (1846–1922), mayor of Cleveland, Ohio John Murphy Farley (1842–1918), Irish-American Roman Catholic archbishop and cardinal John Farley (pilot) (1933–2018), British test pilot John Farley (historian) (1936–2015), Canadian science historian John Farley (actor) (born 1968), American actor and comedian John Wells Farley (1878–1959), American football player and coach John W. Farley (1948–2022), American physicist John J. Farley III (born 1942), judge of the United States Court of Appeals John Farley (footballer) (born 1951), English footballer see List of Bury F.C. players (25–99 appearances) John Farley (MP), member of parliament (MP) for Gloucester
See also John Farley Leith (1808–1887), MP for Aberdeen John Farleigh (1900–1965), English engraver and illustrator