Marianna Russell, born Anna Maria Antonietta Mattiocco (June 2, 1865 Cassino Italy - March 30, 1908 Paris), also known as Marianna Antonietta Mattiocco, and Marianna Russell following her marriage to the Australian painter, John Russell, was a model for many prominent artists in France, supposedly the favorite model of Auguste Rodin, and was renowned as a great beauty.
She sometimes used Marianna Mattiocco Della Torre as a professional name.
She bore eleven children, six of whom survived to adulthood.