Mélanie Hélène Bonis, known as Mel Bonis (b. 4th arrondissement of Paris, 21 January 1858 – d. Sarcelles (Val-d'Oise), 18 March 1937) was a prolific French classical composer. She wrote more than 300 compositions, including works for piano solo and four hands, organ pieces, chamber music, mélodies, choral music, a mass, and works for orchestra.