Nav Katze was a female music duo from Tokyo, Japan consisting of Naoko Iimura and Miwako Yamaguchi. The band was formed in 1984 with a third member, Shino Furutachi. After having released two records on the SWITCH label, they made their major debut on Victor Music Industries with the album Kanki. Shino Furutachi left the band in 1991 after this album. Later, they collaborated with famous rock band Luna Sea.
Several of their songs have been remixed by well-known electronic musicians, such as Aphex Twin, Black Dog Productions, Autechre, and Global Communication.