Le Glorieux (English: Glorious) was a French Navy Redoutable-class submarine of the M6 ​​series commissioned in 1934. She participated in World War II, first on the side of the Allies from 1939 to June 1940, then in the navy of Vichy France until November 1942. She then returned to the Allied side, operating as part of the Free French Naval Forces. Along with Archimède, Argo, Casabianca, and Le Centaure, she was one of only five out of the 31 Redoutable-class submarines to survive the war. She remained in French Navy service after World War II, and was decommissioned in 1952.