Jimmie LeBlanc (born 1977) is a Canadian composer and guitarist. His music has been performed throughout his native country by such ensembles as the Ensemble Contrechamps, Hwaum Chamber Ensemble, Kore Ensemble, Les Enfants Terribles, Nouvel Ensemble Moderne, Pentaèdre, Quatuor Bozzini, and the Trio Fibonacci. In 2007 he was a finalist in the 4th Seoul International Competition for Composers and in 2008 he received the Lutoslawski Award. In 2009 he was awarded the Jules Léger Prize for New Chamber Music for the work L’Espace intérieur du monde.
Born in Saint-Étienne-de-Lauzon, LeBlanc's initial musical training was as a pop and jazz guitarist. He then pursued studies in classical guitar and music composition at the Conservatoire de musique du Québec à Montréal. He is currently pursuing a Doctor of Music degree at the Schulich School of Music at McGill University.