John Clay

John Clay may refer to:

• Sir John Clay, combatant in the Wars of the Roses
• John Clay (chaplain)
• John Granby Clay
• John Morrison Clay (1821–1887), American horse breeder
• Johnnie Clay (1898–1973), English cricketer
• John Clay (1924–2011), English cricketer
• The Red-Headed League, a short story by Arthur Conan Doyle with a character named John Clay
• John Clay (offensive tackle) (born 1964), football player who played for the Los Angeles Raiders and San Diego Chargers
• John Clay (running back) (born 1988), football player for the Pittsburgh Steelers
• John Cecil Clay (1875–1930), American illustrator
• John P. Clay (born 1934), investment banker and founder of the Clay Sanskrit Library
• John Randolph Clay, American diplomat