Euphaedra castanea is a butterfly in the family Nymphalidae. It is found in the Democratic Republic of the Congo (Lualaba and Shaba).
Described as Euphaedra preussi form castanea form. nov.
Male: All green areas above are replaced by rufous chestnut, saturated and suffused with purple-blue, tornal area of hindwing and a submarginal row of spots blue. On forewing, there are 3 black spots in cell above.
Habitat: Kongour Forest, Manyema, Congo Free State (R. Grauer), 1 male.
Raised to species by Berger.