Ben Besiakov, also Ben Besiakow (born October 27, 1956, Copenhagen) is a Danish jazz pianist and keyboardist. Besiakov played in jazz and jazz fusion ensembles starting in the early 1970s, including the groups Buki-Yamaz, Creme Fraiche, Engine, Soul Service, and Space Train. He led his own trio ensemble, which recorded for Steeplechase Records, and in 1990 was awarded the Ben Webster Prize. He also played in groups led by Bent Jaedig, Jonas Johansen, Uffe Markussen, and Jens Winther.