Elza Cansanção Medeiros, popularly known as Major Elza (October 21, 1921 – December 8, 2009), was a Brazilian Army officer and World War II veteran. She was the highest-ranking female officer in the Brazilian Army with the rank of Major, having deployed to Italy during the war along with the Brazilian Expeditionary Force as a nurse. Medeiros used to lecture about the Brazilian participation in World War II.