John Gay (1685–1732) was an English poet and dramatist.
John Gay may also refer to:
John Gay (philosopher) (1699–1745), English philosopher John Gay (surgeon) (1813–1885), English surgeon John Gay (photographer) (1909–1999), British photographer John Gay (screenwriter) (1924–2017), American screenwriter John Gay (runner) (born 1996), Canadian runner
See also Jonathan Gay (born 1967), American computer programmer and software entrepreneur John Gayer (disambiguation)