Bendor Gerard Robert Grosvenor (born 27 November 1977) is a British art historian, writer, and former art dealer.
He is known for discovering a number of important lost artworks by Old Master artists, including Sir Peter Paul Rubens, Claude Lorrain and Peter Brueghel the Younger.
As a dealer he specialised in Old Masters, with a particular interest in Anthony van Dyck.
During 2011–2016, he carried out specialist research for, and appeared in, the BBC1 art programme, Fake or Fortune? He now presents the BBC4 series Britain's Lost Masterpieces with Jacky Klein and Emma Dabiri, which began in 2016, and is now filming its fifth series.