The present paper deals with 5 Korean species belonging to the family Oppiidae GRANDJEAN, 1954. They are Brachioppiella ctenifera barbata subsp. nov., Multioppia gapsaensis sp. nov., Oppia sagami AOKI, 1984, O. minutissima SELLNICK, 1950 and Parasynoppia longisensillata AOKI, 1983. The three known species are new to Korea. The species ctenifera was transferred from the genus Oppia to Brachioppiella.
