Caloptilia mandschurica is a moth of the Gracillariidae family. It is known from China, Japan (Hokkaidō and Honshū), Korea and the Russian Far East. The wingspan is 10.2-12.5 mm. The larvae feed on Castanea crenata, Quercus acutissima, Quercus crispula, Quercus dentata, Quercus mongolica and Quercus serrata. They mine the leaves of their host plant.