Coreana is a butterfly genus in the family Lycaenidae. The genus is monotypic, containing the single species Coreana raphaelis, which is found in the east Palearctic in Ussuri, north-east China, Korea and Japan (Honshu).
The larva feeds on Fraxinus species (F. rhyncophylia, F. japonica, F. lanuginosa and F. mandshurica).