Nadezhda Leontievna Ustinova (Russian: Надежда Леонтьевна Устинова), née Benois (Бенуа), better known as Nadia Benois (27 April 1896 – 8 December 1975), was a Russian-born painter of still lifes and landscapes, and stage designer. Her father Leon Benois belonged to the Benois family. She was the mother of British actor, writer, and filmmaker Sir Peter Ustinov. Later, Benois created costumes and sets for the films Vice Versa (1948) and Private Angelo (1949)), both written and directed by her son, Peter.