Walter Boudreau
 Walter Boudreau CM CQ (born Sorel 1947) is a Québécois composer saxophonist and conductor. In 1969 he founded the group L'Infonie with Raoul Duguay which dissolved in 1973. Since 1988 he has been the artistic director of the Société de musique contemporaine du Québec in Montreal. He was a principal collaborator in the Symphonie du Millénaire which took place in Montréal in 2000.