| Nacoleia iarchasalis Walker, 1859 |
| Nacoleia indicata Fabricius, 1775 |
| Nacoleia inflexalis Hampson, 1912 |
| Nacoleia salbialis Hampson, 1899 |
| Nacoleia zoilusalis Walker, 1859 |
| Neohelvibotys Munroe, 1976 |
| Neohelvibotys arizonensis Capps, 1967 |
| Neoleucinodes Capps, 1948 |
| Neoleucinodes elegantalis (Guenée, 1854) |
| Niphograpta Warren, 1892 |
| Niphograpta albiguttalis (Warren, 1889) |
| Noctuelia Guenée, 1854 |
| Noctuelia pandoralis Barnes & McDunnough, 1914 |
| Noctueliopsis Munroe, 1961 |
| Noctueliopsis pandoralis (Barnes & McDunnough, 1914) |
| Noctueliopsis pandoralis subsp. minimistricta (Dyar, 1913) |
| Nomophila Hübner, 1825 |
| Nomophila nearctica Munroe, 1973 |
| Nomophilini Kuznetzov & Stekolnikov, 1979 |
| Noorda Walker, 1859 |