Hanna Stadnik (23 February 1929 – 1 December 2020) was a Polish social worker, women's rights activist, and veteran of the Polish resistance movement in World War II. In 1944, at the age of 15-years old, Stadnik participated in the Warsaw Uprising against Nazi German occupation. She was imprisoned by German authorities for the duration of the war, but later received numerous awards and recognitions for her role in the uprising.