Ndu
- National Defence University, Islamabad
- National Defense University (Republic of China)
- National Defense University (Washington, D.C.)
- National Democratic Youth
- National Distribution Union
- Naval Diving Unit (Singapore)
- Ndejje University
- Ndo language
- Ndu languages
- Ndu, Cameroon
- New Design University
- Niger Delta University
- Notre Dame (disambiguation)
- The Nippon Dental University