Specimens belonging to the family Ichneumonidae (Hymenoptera) from the Chibanian (Middle Pleistocene) Shiobara Group, Tochigi Prefecture, Japan, are reviewed. The following seventeen species including one new species are identified: Ichneumonidae gen. et sp. indet., Banchus shiobaraensis sp. nov., Campopleginae gen. et sp. indet., Cryptini gen. et sp. indet., Aptesini gen. et sp. indet., Ichneumoninae gen. et sp. indet. A and B, Ichneumonini gen. et sp. indet. A–C, Microleptes? sp., Orthocentrus sp., Phygadeuontinae gen. et sp. indet., Stibeutes? sp., Pimplinae gen. et sp. indet., Pimpla? sp. A and B. Among them, members of the subfamilies Banchinae, Microleptinae, Orthocentrinae and Phygadeuontinae are not only new discoveries in the Middle Pleistocene Shiobara fauna, but also the first fossil records of these subfamilies in Japan.