The Japanese raccoon dog (Nyctereutes viverrinus), also known by its Japanese name tanuki (Japanese: 狸, タヌキ), is a species of canid endemic to Japan. It is one of two species in the genus Nyctereutes, alongside the common raccoon dog (N. procyonoides), of which it was traditionally thought to be a subspecies (Nyctereutes procyonoides viverrinus).