Jean Lucien Deplace (12 July 1944 – 30 November 2015) was a French cellist. Many well-known cellists studied with Deplace. Deplace studied with Maurice Maréchal and won first prize for cello in 1963 at the Paris Conservatory. Deplace went on to win awards in international competitions including; the Grand Prize of the Geneva International Music Competition, the Budapest Grand Prize and the Florence Grand Prize. Deplace was also the recipient of a Sasha Schneider Foundation award. Deplace performed with leading orchestras including Orchestre Philharmonique de Radio France, Orchestre de Monte Carlo, the Bavarian Radio Symphony Orchestra and at the Orchestra del Maggio Musicale Fiorentino.