Macdunnoughia      Noctuidae, Plusiinae
Macrauzata         Drepanidae
Macronoctua        Noctuidae, Amphipyrinae
Malacosoma         Lasiocampidae
Maliarpha          Pyralidae, Phycitinae
Mamestra           Noctuidae, Hadeninae
Manduca            Sphingidae
Marasmia           Pyralidae, Pyraustinae
Margaritia         Pyralidae, Pyraustinae
Maruca             Pyralidae incertae sedis
Matratinea         Tineidae
Matsumuraeses      Tortricidae, Olethreutinae, Grapholitini
Megalophanes       Psychidae
Melanchra          Noctuidae, Hadeninae
Melipotis          Noctuidae, Catocalinae
Melissopus         Tortricidae, Olethreutinae, Grapholitini
Melittia           Sesiidae, Sesiinae, Melittiini
Menophra           Geometridae, Ennominae
Meristis           Noctuidae, Amphipyrinae
Meritastis         Tortricidae, Tortricinae, Epitymbiini
Merophyas          Tortricidae, Tortricinae, Archipini
Mesapamea          Noctuidae, Amphipyrinae
Mesogona           Noctuidae, Noctuinae
Mesoleuca          Geometridae, Larentiinae
Metanema           Geometridae, Ennominae
Metendothenia      Tortricidae, Olethreutinae, Olethreutini
Metzneria          Gelechiidae, Anomologinae
Micardia           Noctuidae, Acontiinae
Microcorses        Tortricidae, Olethreutinae, Microcorsini
Microleon          Limacodidae
Mnesictena         Pyralidae, Pyraustinae
Mocis              Noctuidae, Catocalinae
Monima             Noctuidae, Hadeninae
Monochroa          Gelechiidae, Anomologinae
Monopsis           Tineidae
Morrisonia         Noctuidae, Hadeninae
Mutuuraia          Pyralidae, Pyraustinae
Myelois            Pyralidae, Phycitinae
Myelopsis          Pyralidae, Phycitinae
Mythimna           Noctuidae, Hadeninae