Tetsu Inoue (井上徹, (Inōe Tetsu)) is a producer of electronic music. His style could be described as ambient with a heavy minimalist influence. He has lived in Japan, San Francisco, and New York, and has collaborated with musicians such as Pete Namlook, Bill Laswell, Andrew Deutsch, Jonah Sharp, Taylor Deupree, and Uwe Schmidt.

His debut solo album, Ambiant Otaku, is regarded by some as a classic of minimalist ambient techno. The album was initially released in a limited edition of 1,000 copies on Pete Namlook's Fax label.