Joseph Storer Clouston (23 May 1870 – 23 June 1944) was an Orcadian author and historian and the son of noted psychiatrist Sir Thomas Clouston.
Educated at Merchiston Castle School, Edinburgh, and Magdalen College, Oxford, he was called to the bar at the Inner Temple in London in 1895, but never practised as a lawyer. Author of no less than 39 novels, soon after embarking on a career as a writer, he published one of his most popular novels, The Lunatic at Large. He was also a historian, author of a great history of Orkney, a founder member and second president of the Orkney Antiquarian Society, and a Fellow of the Society of Antiquaries of Scotland.