William Marlott (May 1574 – February 1646) of Shoreham was an English politician who sat in the House of Commons between 1625 and 1646. He supported the Parliamentarian side in the English Civil War. Marlott was born in Sussex, the son of Thomas Marlott and his wife Dorothy Stapley. Marlott died in 1646 and was buried on 8 February 1646 at Shoreham by Sea .