Baroness Marie Rose Antoinette Catherine de Robert d'Aqueria de Rochegude d'Erlanger (1874–1959) was a patron of the arts, supporting artists such as the Ballet Russe de Monte Carlo, Cecil Beaton, Romaine Brooks, Philip de László and Sergei Diaghilev. She was known as "The Flame" (La Fiamma) for her hair color. She was widely known as Kate d'Erlanger.