Margarita Kirillovna Morozova was a prominent Russian philanthropist, patron of arts, publisher, editor and memoirist. She was a co-founder of the Moscow-based Religious and Philosophical Society (1905–1918) and the director of the Russian Musical Society. She was the wife of art critic and collector Mikhail Morozov, and a socialite whose portraits were painted by Valentin Serov and Nikolai Bodarevsky, among others.