Thirteen species of the genus Leucophenga were found from Iriomote Jima of Ryukyu Islands, Japan, including three new records and three new species: L. argentata (de Meijere), L. confluens Duda, L. digmasoma Lin et Wheeler, L. concilia Okada, L. maculata (Dufour), L. meijerei Duda, L. ornata Wheeler, L. orientalis Lin et Wheeler, L. regina Malloch, L. umbratula Duda, L. iriomotensissp. nov., L. multipunctatasp. nov., and L. obscurasp. nov.Leuco phenga regina is redescribed and the three new species are described. A key to all species from Iriomote Jima is provided.