Lillian Gertrude Browse CBE (21 April 1906 – 2 December 2005) was a British art dealer and art historian. She was a partner in two London galleries, first and then . During the Second World War she organised exhibitions at the National Gallery, whose collections had been removed to the country for safety. She wrote a number of monographs on twentieth-century artists, including important works on Walter Sickert and Sir William Nicholson. She was nicknamed "The Duchess of Cork Street", and used that name as the title of her autobiography.