The present paper deals with the species of the Family Tonnidae found from the China Seas.The materiels were collected mainly by the Institute of Oceanology, Academia Sinica in the past years. It includes 10 species, belonging to 2 gerera, of which 1 species is found only in the East China Sea, 4 species are common to the East China Sea and the South China Sea, 5 species occur only in the South China Sea. One species, Tonna luteostoma (Küster) is recorded for the first time from China Seas. Most of the species are also widely distributed in the tropical Indo-Pacific regions. The species are as follows.