Helge Lilletvedt (born 1960 in Bergen, Norway) is a Norwegian Jazz musician (keyboards), composer and music arranger, known from collaboration with musicisns like Terje Rypdal, Vigleik Storaas, Arve Henriksen, Per Jørgensen, Olav Dale, Ole Amund Gjersvik and Herborg Kråkevik.
In recent years, he has been active on both jazz venues and as a freelance musician at both theater on Den Nationale Scene in Bergen, and with artists like Odd Børretzen, Jan Eggum, Herborg Kråkevik, Nathalie Nordnes, Christina Bjordal, Christine Sandtorv, and Helene Bøksle.