Marsh is a hamlet in the civil parish of Great and Little Kimble cum Marsh in Buckinghamshire, England. The hamlet name comes from the name of the Earls of Pembroke in the 12th and 13th centuries and was previously called Marshals.
Formerly a parish in its own right, it was annexed into the parish of Great Kimble in the late medieval period when its manor was purchased by Lord Griffith Hampden (ancestor of John Hampden) who was also the lord of Great Kimble manor.