Antonie Stemmler (also Toni Stemmler, 6 November 1892 – 8 May 1976) was a German teacher, nurse and member of the fascist resistance. In 1967 she received the Florence Nightingale Medal to honor her work in Nazi concentration camps during World War II and her nursing activities during the Spanish Civil War. In later life she was the only woman ever to chair the Zauch-Belziger District Council and when administrative reform dissolved the council, she became the first chair of the Council of the District of Potsdam. She received both the Clara Zetkin Medal and the Patriotic Order of Merit from East Germany.