John Jones O.F.M, also known as John Buckley, John Griffith, Godfrey Maurice, or Griffith Jones, was a Franciscan priest and martyr. He was born at Clynnog Fawr, Caernarfonshire (Gwynedd), Wales, and was executed 12 July 1598 at Southwark, England. He is one of the Forty Martyrs of England and Wales.