Rhinolophus nippon is a large horseshoe bat recorded in Japan. In a 2003 study, adult females in Yamaguchi Prefecture foraged in open forest areas and along woodland paths.
It has a flower-like noseleaf around the nostrils, and its wings are long relative to their breadth.
Adult females tracked in Yamaguchi foraged in open forest, along woodland paths, and at forest edges. The study reported less use of dense forest interiors and open bare areas.
An extinction-risk assessment has not been added yet.