John Gayer (by 1532 – 1571 or later), of St Mawes and Trenbrace in St Keverne, Cornwall, was an English lawyer and politician.
He was a Member (MP) of the Parliament of England for Liskeard in March 1553, for Newport, Cornwall in October 1553, for Penryn in 1559 and for Helston in 1571.[1]