| Nomophila nearctica Munroe, 1973 |
| Nomophilini Kuznetzov & Stekolnikov, 1979 |
| Noorda Walker, 1859 |
| Noorda candidalis Dognin, 1904 |
| Noorda esmeralda Hampson, 1899 |
| Notarcha Meyrick, 1884 |
| Nymphula Schrank, 1802 |
| Nymphula obliteralis Walker, 1859 |
| Nymphula panpenealis Dyar, 1924 |
| Odontiinae Guenée, 1854 |
| Odontiini Guenée, 1854 |
| Oligostigma Guenée, 1854 |
| Oligostigma cryptalis Druce, 1896 |
| Oligostigmoides Lange, 1956 |
| Oligostigmoides cryptalis (Druce, 1896) |
| Oligostigmoides cuernavacale Lange, 1956 |
| Omiodes Guenée, 1854 |
| Omiodes confusalis (Dognin, 1905) |
| Omiodes humeralis Guenée, 1854 |
| Omiodes indicata (Fabricius, 1775) |