Twenty four species belonging to 10 genera and 4 families in the suborder Tetraodontoidei in Korea were reviewed and provisional keys to species, genera and families are provided. Among them available specimens of seventeen species in this taxa collected during 1986 to 1990 from Korean waters were examined and recorded on the morphometric characters, their body color and collection sites. And two species are reported for the first time to Korea with their descriptions and figures : Lagocephallus gloveri Abe et Tabeta, 1983 and L. wheeleri Abe,Tabeta et Kitahama, 1984. Taki/ugu chiηensis Abe, previously recorded from Pusan, Korea as paratype locality but not included in the list of Chyung, 1977, is listed in the present paper with the new korean name, "Chambok". Many of this taxa are also distributed throughout the waters of China and Japan. But it is found that the distribution of three species of genus Takifugu are restricted only to the west coast of Korea as well as to the adjacent waters of China in the Yellow Sea ; T. obscurus, T. flavidus and T. basilevskianus. Taxonomy and distribution of this taxa were discussed with references to the information obtained so far.