John Harley

John Harley may refer to:

• John Harley (16th-century bishop) (died 1558), earlier bishop of Hereford
• John Harley (18th-century bishop) (1728–1788), dean of Windsor and bishop of Hereford
• John Pritt Harley (1786–1858), English comic actor
• John Harley (footballer) (1886–1960), Scottish-born Uruguayan footballer
• John Brian Harley (1932–1991), geographer, cartographer, and map historian