The non-marine molluscs of Japan are a part of the molluscan fauna of Japan (wildlife of Japan).
A number of species of non-marine molluscs are found in the wild in Japan.
Extinct gastropods in Japan include: Vitrinula chaunax, Vitrinula chichijimana, Vitrinula hahajimana.
Land gastropods in Japan include:
"Hothouse aliens" in Japan include:
Lists of molluscs of surrounding countries: