| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Nephopterix carteri | Ragonot, 1888 | species | Accepted | ||
| Neromia enotes | Prout L. B., 1917 | species | Accepted | ||
| Nigilgia albitogata | (Walsingham, 1891) | species | Accepted | ||
| Niphadolepis soluta | Karsch, 1896 | species | Accepted | ||
| Nodaria nodosalis | (Herrich-Schäffer, 1851) | species | Accepted | ||
| Nomophila noctuella | (Denis & Schiffermüller, 1775) | species | Accepted | ||
| Notarcha cassusalis | (Walker, 1859) | species | Accepted | ||
| Notarcha quaternalis | (Zeller, 1852) | species | Accepted | ||
| Nyctegretis inclinella | Ragonot, 1888 | species | Accepted | ||
| Obtusipalpis citrina | Druce, 1902 | species | Accepted | ||
| Odites carterella | Walsingham, 1891 | species | Accepted | ||
| Odites inconspicua | Walsingham, 1891 | species | Accepted | ||
| Odontestis prosticta | (Holland, 1894) | species | Accepted | ||
| Oedaleosia nigricosta | Hampson, 1900 | species | Accepted | ||
| Oligochroa dionysia | (Zeller, 1846) | species | Accepted | ||
| Omocena syrtis | (Schaus & Clements, 1893) | species | Accepted | ||
| Oneiliana multifera | Prout L. B., 1922 | species | Accepted | ||
| Ophiusa cancellata | (Saalmüller, 1891) | species | Accepted | ||
| Ophiusa mejanesi | (Guenée, 1852) | species | Accepted | ||
| Ophiusa tirhaca | (Cramer, 1777) | species | Accepted | ||
| Oplerclanis boisduvali | (Aurivillius, 1898) | species | Accepted | ||
| Oraesia emarginata | (Fabricius, 1794) | species | Accepted | ||
| Oraesia provocans | Walker, 1858 | species | Accepted | ||
| Oraesia triobliqua | (Saalmüller, 1880) | species | Accepted | ||
| Orbamia octomaculata | (Wallengren, 1872) | species | Accepted |