Ophthalmitis satoi 
Ophthalmitis viridior 
Ophyx ochroptera 
Opisthoxia branickiaria 
Opisthoxia descimoni 
Opisthoxia eusiraria 
Opisthoxia laticlava 
Opisthoxia lineata 
Opisthoxia metargyria 
Opisthoxia miletia 
Opisthoxia phrynearia 
Opisthoxia saturniaria 
Opogona stereodyta 
Optimandes eugenia 
Opula lepida 
Orange admiral 
Orange Alpine Xenica 
Orange Banner 
Orange Bushbrown 
Orange Conch 
Orange Cracker 
Orange Crest 
Orange Cup Moth 
Orange footman