John Clay may refer to: John Clay (Wars of the Roses), English soldier John Clay (cattleman) (1851–1934), Scottish-born American cattleman and financier John Clay Livestock Commission, defunct American company founded by the cattleman John Clay (chaplain) (1796–1858), English prison chaplain John Clay (Nottinghamshire cricketer) (1924–2011), English cricketer Johnnie Clay (1898–1973), English cricketer John Clay (offensive tackle) (born 1964), American football player John Clay (running back) (born 1988), American football player John Cecil Clay (1875–1930), American illustrator John Granby Clay (1766–1846), British general John Morrison Clay (1821–1887), American horse breeder John P. Clay (1934–2013), investment banker and founder of the Clay Sanskrit Library John Randolph Clay (1808–1885), American diplomat The Red-Headed League, an 1891 short story by Arthur Conan Doyle with a character named John Clay
See also Jon Clay (born 1963), British former track and road racing cyclist