| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Ochropleura leucogaster | (Freyer, 1831) | species | Accepted | ||
| Ochropleura megaplecta | (Joannis, 1932) | species | Accepted | ||
| Ochyrotica rufa | Arenberger, 1987 | species | Accepted | ||
| Oedebasis longipalpis | (Berio, 1959) | species | Accepted | ||
| Oedebasis ovipennis | Hampson, 1902 | species | Accepted | ||
| Omiodes indicata | (Fabricius, 1775) | species | Accepted | ||
| Omphax plantaria | Guenée, 1858 | species | Accepted | ||
| Ophiusa legendrei | Viette, 1966 | species | Accepted | ||
| Opogona autogama | (Meyrick, 1915) | species | Accepted | ||
| Opogona dimidiatella | Zeller, 1853 | species | Accepted | ||
| Opogona etiennella | Viette, 1988 | species | Accepted | ||
| Opogona heroicella | Viette, 1957 | species | Accepted | ||
| Opogona incorrectella | Viette, 1957 | species | Accepted | ||
| Opogona omoscopa | (Meyrick, 1893) | species | Accepted | ||
| Opogona phaeochalca | Meyrick, 1908 | species | Accepted | ||
| Opogona sacchari | (Bojer, 1856) | species | Accepted | ||
| Opogona salamolardella | Guillermet, 2011 | species | Accepted | ||
| Opogona sycastella | Viette, 1957 | species | Accepted | ||
| Opogona transversata | Bippus, 2016 | species | Accepted | ||
| Oraesia pierronii | (Mabille, 1880) | species | Accepted | ||
| Orphanostigma abruptalis | (Walker, 1859) | species | Accepted | ||
| Orphanostigma haemorrhoidalis | (Guenée, 1854) | species | Accepted | ||
| Orthonama quadrisecta | Herbulot, 1954 | species | Accepted | ||
| Oruza divisa | (Walker, 1862) | species | Accepted | ||
| Orygocera albanix | Bippus, 2020 | species | Accepted |