National Defence (or Defense) University (or College) may refer to:
University
- Marshal Fahim National Defense University, Kabul, Afghanistan
- National Defense University (Azerbaijan), Baku
- People's Liberation Army National Defence University, Beijing, People's Republic of China
- National Defense University (Republic of China), Taoyuan, Taiwan
- National Defence University (Finland), Helsinki
- Supreme National Defense University, Tehran, Iran
- National Defense University (Kazakhstan), Nur-Sultan
- National Defence University of Malaysia, Kuala Lumpur
- National Defence University, Pakistan, Islamabad
- National Defence University of Warsaw, Poland
- Carol I National Defence University, Bucharest, Romania
- Korea National Defense University, Nonsan, South Korea
- National Defense University (Turkey), İstanbul
- Ivan Chernyakhovsky National Defense University of Ukraine, Kyiv
- National Defense University, Washington, D.C., United States
College
- National Defence College (Bangladesh)
- National Defense College of Cuba
- National Defence College (India)
- National Defense College (Israel)
- National Defence College, Kenya
- National Defence College (Myanmar)
- National Defence College, Nigeria
- National Defense College of the Philippines
- National Defence College, Sri Lanka
- National Defence College of Thailand
- National Defence College, former name of the Joint Service Defence College, UK
- National Defence College, Uganda