| Acronym | Definition |
|---|
| NBD | Next Business Day |
| NBD | No Big Deal |
| NBD | New Business Development |
| NBD | National Bank of Dubai (United Arab Emirates) |
| NBD | New Bass Day |
| NBD | National Business Development |
| NBD | Never Back Down |
| NBD | Negara Brunei Darussalam |
| NBD | National Bank of Detroit |
| NBD | Negative Binomial Distribution (statistics) |
| NBD | Network Building Blocks Division |
| NBD | Network Block Device |
| NBD | Neighborhood Business District (various locations) |
| NBD | Network Block Device (Linux) |
| NBD | Nucleotide Binding Domain |
| NBD | National Board of Directors |
| NBD | Normal Business Day |
| NBD | national burden of disease |
| NBD | Nitro-2-1,3-BenzoxaDiazol-4-yl (green fluorescent dye used to track synthetic lipids) |
| NBD | National Bibliographic Database (Australia) |
| NBD | New Bible Dictionary (reference book) |
| NBD | Nothing But Drama |
| NBD | Network Based Defense |
| NBD | Neurobiological Disorders |
| NBD | Network Business & Development (now Nintendo System Development Division) |
| NBD | Need by Date (various companies) |
| NBD | Normal Blood Donor |
| NBD | National Broker Dealer (sales) |
| NBD | Nice But Dim (person) |
| NBD | Nervous Breakdown |
| NBD | Negative Big Difference |
| NBD | Never Been Done |
| NBD | Neuro-Behcet's Disease |
| NBD | National Brothers Day (May 24) |
| NBD | Nonbattle Death |
| NBD | Nevada by Design (Las Vegas, Nevada) |
| NBD | Networks by Design, Inc (New York) |
| NBD | Nozzle Bay Door (aviation) |
| NBD | Natural Born Divers (Germany) |
| NBD | Netboxdata |
| NBD | New Box Diseño (graphic design company; Mexico) |