Mariya-Cecilia Abramovna Mendelson-Prokofieva, typically referred to as Mira Mendelson, was a Russian poet, writer, and translator who was the second wife of the composer Sergei Prokofiev. She was the co-librettist of her husband's operas Betrothal in a Monastery, The Story of a Real Man, and War and Peace, as well as the ballet The Tale of the Stone Flower.