Robert Dunkarton was an English mezzotint engraver. He was born in London and was a pupil of Pether, and painted a few portraits, some of which, as also some portraits in crayons, were exhibited at the Royal Academy and at Spring Gardens until 1779. But his greatest success was gained as a mezzotint engraver. His plates are dated from 1770 to 1815, after which year there is no record of him. Dunkarton engraved in a clear, finished style several portraits and historical subjects, of which the following are the principal: