Doris Leslie (née Oppenheim, later Lady Fergusson Hannay) (9 March 1891 – 30 May 1982), was a British novelist, historical biographer and fiction writer. Her novel Peridot Flight (1956) was serialised in 10 episodes by BBC TV in October–December 1960. A number of her books had dust jackets with illustrated designs by period artists such as and Arthur Barbosa. She was married three times: in 1914 to John Leslie Isaacson (1889–1919); in 1930 to Reginald Vincent Cookes (1894–1948); and in 1936 to Walter Fergusson Leisrink Hannay, who was knighted in 1951 and died in 1961.