| Supreme National Defense University | |
| Native Name: | دانشگاه عالی دفاع ملی |
| Native Name Lang: | fa |
| Former Names: | Officers' School |
| Motto Lang: | fa |
| Type: | Military Academy |
| Head Label: | Commandant |
| Head: | BG Esmail Ahmadi-Moghaddam |
| Students: | Senior Officers and Generals |
| City: | Tehran |
| Country: | Iran |
| Campus: | Urban |
Supreme National Defense University (Persian: دانشگاه و پژوهشگاه عالی دفاع ملی و تحقیقات راهبردی|Daneshgah-e 'ali-ye Defa'-e Melli va Tahqiqat-e Rahbordi|lit=National Defense University and Institute for Strategic Research), acronymed DĀʿĀ (Persian: داعا),[1] is an Iranian University located in Tehran. Subordinate of General Staff of Armed Forces of the Islamic Republic of Iran, the university is dedicated to doctoral-level work on military doctrine, applied defense sciences and management.