This list of amphibians recorded in Japan is primarily based on the IUCN Red List, which details the conservation status of some ninety-four species.
[1] According to statistics accompanying the 2020 Japanese Ministry of the Environment (MoE) Red List, ninety-one species and subspecies are to be found, but the conservation status of only sixty-seven is detailed.
[2][3] Of these, five taxa are critically endangered from a national perspective, twenty are endangered, twenty-two vulnerable, nineteen near threatened, and one data deficient.
[2][3] As of January 2023, for their protection, forty-one species have been designated National Endangered Species by Cabinet Order in accordance with the 1992 Act on Conservation of Endangered Species of Wild Fauna and Flora.
[4] The Japanese names for the taxa found in Japan have been collated and published by the Herpetological Society of Japan [ja].