Dusona japonica is a species of parasitic wasp belonging to the family Ichneumonidae, subfamily Campopleginae. It was first described in 1906 as Campoplex japonica by Peter Cameron.
It is found in South Korea, China, Kazakhstan, Kyrgyzstan, Russia, Uzbekistan, India and in Japan.
A key to the 27 species of Dusona found in South Korea was published in 2014.