Kingsmarsh is a civil parish in the Borough of Cheshire West and Chester and ceremonial county of Cheshire in England. It had a population of 30 in the UK census of 2001. Kingsmarsh was an extra-parochial area until 1858 when it became a civil parish.
A Vision of Britain through Time provides the following description of Kingsmarsh from John Marius Wilson's Imperial Gazetteer of England and Wales of 1870-72:
(Holt is in Flintshire in Wales.)