Marcus Stone RA (4 July 1840 - 24 March 1921) was an English painter.
Stone was born in London, and was educated at the Royal Academy.
Marcus Clayton Stone was the son of Frank Stone ARA. Marcus was trained by his father and began to exhibit at the Royal Academy, before he was eighteen.
A few years later he illustrated, with much success, books by Charles Dickens, Anthony Trollope and other writers who were friends of his family.