Knut Johan Bratland Kristiansen (born 14 April 1946) is a Norwegian composer and jazz musician (piano), known from Bergen jazz life primarily for his many interpretations of the music of Thelonious Monk as orchestra leader his own bands with various number of musicians involved.

[1] In his native town of Bergen, Kristiansen played with Mette Rongved (vocals), Sture Janson (bass), established several jazz orchestras (including "Bergen Big Band"), made compositions for plays at the theater Den Nationale Scene, held a variety of courses and seminars, and got the Bergen County Council Cultural Prize in 1978.

[1] In 1983, he received the Buddy Award for contributions to world music by "The Gambian/Norwegian Friendship Orchestra" (release, 1982), the Latin jazz band "Son Mu" (1981) who released the album Son Mu (1985) and the band "Night and Day" (1986).

At the same time, he was central contributor to Vossajazz, with the commissioned work to Bergen Big Band Kuria suite.

He performed the show "A tribute to Monk" at the Oslo Jazz Festival 1997.