Five new species in Braconidae (Hymenoptera) from Korea are described and illustrated: Oncophanes pronotalis, sp. nov., Hellenius koreanus, sp. nov., Aspicolpus minor sp. nov., Blacus (Blacus) chinjuensis sp. nov., Syntretus sculptor sp. nov. Eight rare genera and species are also recorded for the first time in Korea.: Spasskia sigalphoides Belokobylskij, Wroughtonia cornuta (Cameron), Parahormius bikinus Belokobylskij, Tebennotoma spasskensis Belokobylskij, Chrysopophthorus hungaricus (Zilachi-Kiss), Wexmaelia lepos Belokobylskij, Asiacentistes alekseevi (Belokobylskij), Cosmophorus cembrae Ruschka. A new synonym is established: Chrysopophthorus hungaricus(Zilachi-kiss, 1927)=C. elegans Tobias, 1961, syn. n.