In this faunistic survey, findings of 108 Ichneumoninae species, excluding tribe Phaeogenini, are reported from different areas of the North-Western Russia, namely Republic Karelia, Murmansk and Arkhangelsk Provinces. Among them, 5 species are reported for the territory of Russia for the first time, 48 species are new for the fauna of Republic Karelia, 12 species new for Murmansk Province, 7 species new for Arkhangelsk Province. Also the hitherto unknown male of Stenobarichneumon tegelensis (Heinrich, 1951) is described from Karelia. Ichneumon sedulus Gravenhorst, 1820 is a new synonym of Barichneumon sexalbatus (Gravenhorst, 1820) syn. nov. Barichneumon sedulus auct. nec Gravenhorst is re-named Barichneumon vicarius (Wesmael, 1845) here.