| Acronym | Definition |
|---|
| NDU➣National Defense University |
| NDU➣Nippon Dental University (Japan) |
| NDU➣Network Device Utility |
| NDU➣Notre Dame University |
| NDU➣National Democratic Union (Armenia) |
| NDU➣Non Disruptive Upgrade |
| NDU➣Naval Diving Unit (Singapore) |
| NDU➣Navigation Data Unit |
| NDU➣Nordisk Data Union |
| NDU➣No Data Update |
| NDU➣Navigation Distribution Unit |
| NDU➣Norsk Dysmeliforenings Ungdom (Norwegian Dysmelia Youth Association) |
| NDU➣Norges Døveforbunds Barne - og Ungdomsutvalg (Norwegian Youth Association of the Deaf) |
| NDU➣Newrybar Drainage Union (New South Wales, Australia) |
| NDU➣Network Distribution Unit (computer networking) |