The Diary of Diana B. is a 2019 biographical film directed by Dana Budisavljević. The film tells the story of the aid operation of the Austrian humanitarian Diana Budisavljević for the rescue of more than 10,000—mainly Orthodox Christian Serb—children from concentration camps in the Independent State of Croatia during World War II in Yugoslavia. The film had its world premiere at the 2019 Pula Film Festival. It won four Golden Arenas, including the Big Golden Arena for Best Film.