Ainu or Aynu may refer to: *Ainu people, an East Asian ethnic group of Japan and the Russian Far East *Ainu languages, a family of languages **Ainu language of Hokkaido **Kuril Ainu language, extinct language of the Kuril Islands **Sakhalin Ainu language, extinct language from the island of Sakhalin *Ainu music *Ainu cuisine *Ainu (Middle-earth), spirit in J. R. R. Tolkien's legendarium *Ainu (insect), a beetle in the family Tenebrionidae *Äynu people, of Western China **Äynu language

See also