| Navura Schaus, 1913 |
| Navura lobata Schaus, 1913 |
| Nephopterix Hübner, 1825 |
| Nephopterix bifascialis Walker, 1863 |
| Olyca Walker, 1857 |
| Olyca nephelepasa Dyar, 1919 |
| Olycella Dyar, 1928 |
| Olycella subumbrella (Dyar, 1925) |
| Omphalocera Lederer, 1863 |
| Omphalocera cariosa Lederer, 1863 |
| Oneida Hulst, 1889 |
| Oneida diploa Dyar, 1920 |
| Oneida luniferella Hulst, 1895 |
| Oneida mejona Schaus, 1922 |
| Oryctometopia Ragonot, 1888 |
| Oryctometopia fossulatella Ragonot, 1888 |
| Ozamia Ragonot & Hampson, 1901 |
| Ozamia clarefacta Dyar, 1919 |
| Ozamia immorella (Dyar, 1913) |
| Ozamia lucidalis (Walker, 1863) |