Jean Esme Oregon Cooke RA (18 February 1927 – 6 August 2008) was an English painter of still lifes, landscapes, portraits and figures. She was a lecturer at the Royal Academy and regularly exhibited her works, including the summer Royal Academy exhibitions. She was commissioned to make portraits by Lincoln College and St Hilda's College, Oxford. Her works are in the National Gallery, Tate and the Royal Academy collections. In the early years of her marriage, she signed her works Jean Bratby.