| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Cosmopterix reunionalis | Guillermet, 2016 | species | Accepted | ||
| Cosmorrhyncha acrocosma | (Meyrick, 1908) | species | Accepted | ||
| Cosmorrhyncha ocellata | (Mabille, 1900) | species | Accepted | ||
| Cristabotys pastrinalis | (Guenée, 1862) | species | Accepted | ||
| Crocidolomia pavonana | (Fabricius, 1794) | species | Accepted | ||
| Crocidosema affouchensis | Guillermet, 2012 | species | Accepted | ||
| Crocidosema lantana | Busck, 1910 | species | Accepted | ||
| Crocidosema plebejana | Zeller, 1847 | species | Accepted | ||
| Cryptoblabes bistriga | (Haworth, 1811) | species | Accepted | ||
| Cryptoblabes gnidiella | (Millière, 1867) | species | Accepted | ||
| Cryptophlebia carreella | Guillermet, 2013 | species | Accepted | ||
| Cryptophlebia gomyi | Guillermet, 2004 | species | Accepted | ||
| Cryptophlebia peltastica | (Meyrick, 1921) | species | Accepted | ||
| Cryptophlebia semilunana | (Saalmüller, 1880) | species | Accepted | ||
| Ctenoplusia dorfmeisteri | (Felder & Rogenhofer, 1874) | species | Accepted | ||
| Ctenoplusia etiennei | Dufay, 1975 | species | Accepted | ||
| Ctenoplusia limbirena | (Guenée, 1852) | species | Accepted | ||
| Ctenoplusia orbifer | (Guenée, 1865) | species | Accepted | ||
| Culladia achroellum | (Mabille, 1900) | species | Accepted | ||
| Culladia inconspicuellus | (Snellen, 1872) | species | Accepted | ||
| Culladia troglodytellus | (Snellen, 1872) | species | Accepted | ||
| Cyclophora lyciscaria | (Guenée, 1858) | species | Accepted | ||
| Cydia corona | Bippus, 2020 | species | Accepted | ||
| Cydia undosa | (Diakonoff, 1957) | species | Accepted | ||
| Cyligramma fluctuosa | (Drury, 1773) | species | Accepted |