Massenet is a French surname. Notable people with the surname include:
Jules Massenet (1842–1912), French composer Juliette de La Genière (née Massenet; 1927–2022), French archaeologist Man'ha Garreau-Dombasle (born Germaine Massenet; 1898–1999), French-born writer, poet, and translator Natalie Massenet (born 1965), British-American fashion entrepreneur and journalist