A taxonomical revision of the Korean Aegialiidae, Ochodaeidae and Hybosoridae are given. They are very rare from Korea, mostly, but the family Aegialiidae was recorded 3 species containning a rich species (Aegialia koreana) from the littoral sand dunes of South Korea. Ochodaeidae was recorded only a species (Codocera ferruginea) from North Korea, but the other one new subspecies, Ochodaeus maculatus koreanus, is described from South. The family Hybosoridae is recorded newly from Korea by a species, Phaeochrous emarginatus.