Kjetil Traavik Møster (born 17 June 1976) is a Norwegian jazz musician (tenor and soprano saxophones, clarinet and bass clarinet) and composer, known from bands like The Core, Ultralyd, Brat, Zanussi 5, and performance with Chick Corea at Moldejazz 2000, later released on CD. He has also made his mark with experimental performances at the interface between electronic based fri-rock and jazz.