Reginald Mohun or Mone (1507/8 – 22 April 1567), of Hall in the parish of Lanteglos-by-Fowey and of Bodinnick, both in Cornwall, was an English politician. He was a Member (MP) of the Parliament of England for Newport, Cornwall in 1547, Plympton Erle in October 1553, Helston in November 1554, Rye in 1555 and Liskeard in 1559 and 1563.