John Varley may refer to:
John Varley (canal engineer) (1740–1809), English canal engineer John Varley (painter) (1778–1842), English painter and astrologer John Varley (author) (1947–2025), American science fiction author John Silvester Varley (born 1956), former CEO of Barclays Bank John Varley (photographer) (1934–2010), British photographer