John Bayley

John Bayley may refer to:

• John Bayley (died 1611), MP for Salisbury
• John Bayley (antiquary) (died 1869)
• Sir John Bayley, 1st Baronet (1763–1841), Justice of the King's Bench
• Sir John Bayley, 2nd Baronet (1793–1871), British baronet and cricketer 1817–1832
• John Bayley (cricketer) (1794–1874), English cricketer 1822–1850
• John Bayley (musician) (1847–1910), English bandmaster, clarinetist, violinist, and organist
• John Bayley (writer) (1925–2015), British literary critic and writer
• John Arthur Bayley (1831–1903), British Army officer