Jean Lucien Deplace (12 July 1944 – 30 November 2015)[1] was a French cellist.

Deplace studied with Maurice Maréchal and won first prize for cello in 1963 at the Paris Conservatory.

In 1971 he formed a duo with the pianist Andrée Plaine that gained recognition in Europe, North America and Japan.

Deplace was appointed principal cello ("super-soloist") of the Orchestre philharmonique de Strasbourg.

In 1981 he was appointed professor of cello at the Conservatoire national supérieur musique et danse de Lyon.