Steven Gellman (born 16 September 1947) is a Canadian composer and pianist. He has been commissioned to write works for the Besançon International Music Festival, the CBC Symphony Orchestra, the Hamilton Philharmonic, McGill University, Musica Camerata, the National Arts Centre Orchestra, the Ottawa Symphony Orchestra, Opera Lyra, the Pierrot Ensemble, the Stratford Festival, and the Toronto Symphony Orchestra among others. Since 1976 he has taught music composition and theory at the University of Ottawa.