Haakon Graf (born 21 March 1955 in Oslo, Norway) is a Norwegian jazz musician (piano, organ, keyboards and synthesizers), composer, arranger and producer. He is the older brother of the bass guitarist of LAVA, Rolf Graf (1960–2013), and the jazz singer Randi Elisabeth Graf (b. 12 September 1966).
Graf is currently residing in Los Angeles, US, where he is working as a keyboardplayer, songwriter and producer. He has been involved in numerous projects during the years, composing much of the music in addition to playing keyboards on the albums New Born Day (1973), Ranshart (1974) and Let Your Light Shine (1976) within the band 'Ruphus'. They received great acclaim in Norway and in several European countries, including Germany. He also played in the band 'Moose Loose' including with Jon Eberson. Later they opened the band 'Blow Out' together. He also initiated the band 'Hawk on flight' together with Matz Nilsson, Niels Nordin and Ulf Wakenius. Graf has played with Pål Thowsen on several of his albums, and received Spellemannprisen for best Jazz album in the alternative genre. The tune "Nearly in Rio" composed by Graf, was particularly highlighted during the citation. Graf has even been a judge in the 1988 Spellemann committèe in the category jazz.