John Bayley

• John Bayley (died 1611), MP for Salisbury
• John Bayley (antiquary), English antiquary
• Sir John Bayley, [1st Baronet], Justice of the King's Bench
• Sir John Bayley, 2nd Baronet, British baronet and cricketer 1817–1832
• John Bayley (cricketer), English cricketer 1822–1850
• John Bayley (musician), English bandmaster, clarinetist, violinist, and organist
• John Bayley (writer), British literary critic and writer
• John Arthur Bayley, British Army officer