John Mantle may refer to:
John Mantle (bishop) (1946–2010), Bishop of Brechin John Mantle (rugby) (1942–2018), British rugby footballer Jack Foreman Mantle (1917–1940), VC recipient The "Shadow Mantle Holder," an enemy in Deltarune.
See also John Mantley (1920–2003), actor, writer, director, screenwriter and producer