Stefano Maria Legnani (1660–1715), also known as "Legnanino", was an Italian painter of the Baroque period, active mainly in Milan. He was a pupil of his father, the painter Ambrogio Legnani. He then went on to work in the studio of Carlo Cignani in Bologna, and Carlo Maratta in Rome. In Novara, he painted the cupola of San Gaudenzio. In Milan, he painted frescoes of the life of St James at the church of Sant'Angelo. He also painted frescoes in the Cathedral of Monza. He also painted in Turin and Genoa. He died in Bologna.