Élise Rivet, also known as Mère Marie Élisabeth de l'Eucharistie (January 19, 1890, Draria, Algeria – March 30, 1945, Ravensbrück concentration camp, Germany) was a Roman Catholic nun and World War II heroine.
Rivet volunteered to go to the gas chamber, in place of a mother, in the German concentration camp of Ravensbrück.