John Bayley

John Bayley may refer to:


 * John Bayley (died 1611), MP for Salisbury
 * John Bayley (antiquary) (1787–1869), English antiquary
 * 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