Two species of Entada are confirmed to occur in the Ryukyu Islands, Japan. One, E. phaseoloides, occurs in tropical to subtropical Asia, on Pacific islands and in northeastern Australia. The second species, E. tonkinensis, ranges from the Ryukyu Islands through northern Taiwan and southeastern China to northern Vietnam. Descriptions and keys are provided for the two species, as well as for E. rheedii and E. parvifolia which is sometimes confused with E. phaseoloides.