John Crackstone (surname also spelled as Craxston or Crakstone; c. 1575 – c. 1620/21) was an English Separatist from Holland who came with his son John on the historic 1620 voyage of the Pilgrim ship Mayflower. He was a signatory to the Mayflower Compact, but perished with the first Pilgrims to die the winter of 1620, exact date unknown. His son John later died in his twenties.