| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Oligochroa nonceracanthia | Balinsky, 1994 | species | Accepted | ||
| Oligochroa piliferella | Ragonot, 1888 | species | Accepted | ||
| Oligochroa subterrella | Ragonot, 1888 | species | Accepted | ||
| Oligochroa tchahabarella | (Amsel, 1950) | species | Accepted | ||
| Oligochroa tchourouma | Amsel, 1961 | species | Accepted | ||
| Oligochroa terrella | Ragonot, 1888 | species | Synonym | ||
| Oligochroides nigritella | Strand, 1909 | species | Accepted | ||
| Oligographa juniperae | (Ménétriès, 1857) | species | Misapplied | ||
| Oligographa juniperi | (Boisduval, 1847) | species | Accepted | ||
| Oligographa juniperi | (Walker, 1856) | species | Misapplied | ||
| Oligographa mosambiquensis | Joicey & Kaye, 1917 | species | Synonym | ||
| Oligoneurina ficicola | (Vári, 1961) | species | Accepted | ||
| Oligostigma flavialbalis | Hampson, 1917 | species | Accepted | ||
| Oligostigma rufiterminalis | Hampson, 1917 | species | Accepted | ||
| Olisbus gainsfordi | (Kühne, 2010) | species | Accepted | ||
| Omiodes absistalis | (Walker, 1859) | species | Synonym | ||
| Omiodes bianoralis | (Walker, 1859) | species | Synonym | ||
| Omiodes chloromochla | (Meyrick, 1936) | species | Accepted | ||
| Omiodes connexalis | (Walker, 1866) | species | Synonym | ||
| Omiodes diemenalis | (Guenée, 1854) | species | Accepted | ||
| Omiodes diementalis | Inoue, 1996 | species | Misapplied | ||
| Omiodes dnopheralis | (Mabille, 1900) | species | Synonym | ||
| Omiodes dolosalis | (Möschler, 1881) | species | Synonym | ||
| Omiodes fortificalis | (Möschler, 1890) | species | Synonym | ||
| Omiodes halmusalis | (Walker, 1859) | species | Synonym |