John Jones OFM (c. 1530 - 12 July 1598), also known as John Buckley, John Griffith, Godfrey Maurice (in religion), or Griffith Jones was a Franciscan friar, Roman Catholic 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.