who was pope during ww2

The pope during World War II was Pope Pius XII (born Eugenio Pacelli).

He was elected pope on 2 March 1939, just months before Germany invaded Poland and the war began, and he remained pope throughout the entire conflict until 1945 and beyond. During the war, the Vatican under Pius XII maintained official neutrality while engaging in diplomacy and humanitarian aid, a stance that has made his wartime legacy both influential and controversial in later historical debates.