Hideo Kachi (可知 日出男) (born December 17, 1953, in Nakano, Tokyo) is a Japanese musician.
He apprenticed himself to Tadashi Yamamoto, Masato Tanaka, Milan Turković (bassoon), and Tamami Koyake (jazz flute).
At the Kawasaki city Coming of Age Day ceremonies in 2002 and 2004, he performed the Japanese national anthem, "Kimi ga yo."
Hideo helps young singers and expressive people like actors and actresses develop their skills.
Upon meeting young dancers by chance in 2008, he reconsidered his musical performances, and pursued collaborations and blending styles at his concerts.