| Acronym | Definition |
|---|
| NDB | New Development Bank (formerly BRICS Development Bank) |
| NDB | Nondirectional Radio Beacon |
| NDB | Non Directional Beacon |
| NDB | No Big Deal |
| NDB | New Data Base |
| NDB | Network Data Base |
| NDB | Neue Deutsche Biographie (German) |
| NDB | National Development Bank (Sri Lanka) |
| NDB | National Discount Brokers |
| NDB | Next Business Day |
| NDB | Nuclear Depth Bomb |
| NDB | Navy Department Bulletin (US Navy) |
| NDB | Never Done Before |
| NDB | Naval Disciplinary Barracks (US Navy) |
| NDB | Navigational Data Base |
| NDB | Non-Deductible Breakfast (film/acting) |
| NDB | None of Your Damned Business |
| NDB | Networked Database Service |
| NDB | NetWare Database |
| NDB | Network Dependent Business |
| NDB | Network Daughter Board (computing) |
| NDB | New Developments in Bioinorganic |
| NDB | Nutrient Databank Identifier (USDA) |