The Disappearance of Josef Mengele is a 2025 German-language historical drama film written and directed by Kirill Serebrennikov. Based on the 2017 non-fiction novel of the same name by Olivier Guez, it stars August Diehl as Nazi SS doctor Josef Mengele. The film had its world premiere at the Cannes Premiere section of the 2025 Cannes Film Festival on 20 May 2025.