Maria Antonina Kratochwil (21 August 1881 – 7 October 1942) was beatified by Pope John Paul II as one of the 108 Martyrs of World War II.
She tried to help the Jews survive during the Holocaust.
A member of the School Sisters of Notre Dame residing in the Kresy region of the Polish Second Republic before the war began; she was arrested along with her nuns by Nazi Germans a year after Operation Barbarossa of the 1941, and singled out for anti-Nazi activities.
She was severely beaten while in prison, contracted typhus, and died upon her hasty release.