Ki Yu (born August 12, 1971) is a Korean jazz saxophonist, composer, and multi-instrumentalist.
Ki took up the clarinet and saxophone as a teenager, entirely self-taught.
Ki released his first solo album in 2005, a jazz record titled Blue and White. A second album, The soul of the music, was released in 2011. All of his solo music is released on his independent label Ki Yi Music.