| Acronym | Definition |
|---|
| NBI | National Bureau of Investigation |
| NBI | NASDAQ (National Association of Securities Dealers Automated Quotations) Biotechnology Index |
| NBI | Narrow Band Imaging (optical filter technology) |
| NBI | National Bridge Inventory |
| NBI | Naional Burial Index (UK) |
| NBI | New Buildings Institute (Vancouver, WA) |
| NBI | Nile Basin Initiative (Uganda) |
| NBI | Nouvelle Bonification Indiciaire (French: New Indexed Premium) |
| NBI | Neurocrine Biosciences, Inc. (San Diego, CA) |
| NBI | Netboot Image |
| NBI | Netware Bus Interface |
| NBI | National Business Initiative (various locations) |
| NBI | Neethling Brain Instruments (various locations) |
| NBI | Net Banking Income |
| NBI | Niels Bohr Institute (Denmark) |
| NBI | National Botanical Institute (South Africa) |
| NBI | National Bureau of Insurance (Switzerland) |
| NBI | National Biodiversity Institute (South Africa) |
| NBI | Norwegian Building Research Institute |
| NBI | National Bank of Indianapolis (Indianapolis, IN) |
| NBI | Nation Brands Index (statistics) |
| NBI | Northern Beaches Interchange (Australia) |
| NBI | New Business Investment |
| NBI | National Bar Institute (National Bar Association; Washington, DC) |
| NBI | Northbridge Industrial Services PLC |
| NBI | National Biproducts Institute (South Africa) |
| NBI | National Business Investigations (California) |
| NBI | Nomura Bank International (UK) |
| NBI | Nothing But Initials |
| NBI | Neuberger Berman, Inc. (various locations) |
| NBI | Nippon Business Institute (Everett Community College; Everett, WA) |
| NBI | Nicolas Berggruen Institute (various locations) |
| NBI | Nations, Borders, Identities (University of North Carolina at Chapel Hill) |
| NBI | Northfield Business Initiative (South Africa) |
| NBI | Neighborhood Business Initiative (various organizations) |
| NBI | Network Business Intelligence |
| NBI | Nantucket Biodiversity Initiative (conservation partnership) |
| NBI | Nordic Business Institute |
| NBI | Newport Business Institute (Lower Burrell, PA) |
| NBI | Nonbattle Injury |
| NBI | Narrow Band Interference |
| NBI | Network-Based Intelligence |
| NBI | Navbuilder Inside (Verizon Developer Community) |
| NBI | Nabisco Brands, Inc. (Kraft) |
| NBI | National Board, Inc. (US Coast Guard) |
| NBI | North Bound Interface |
| NBI | Natural Brands, Inc. (Dallas, TX) |
| NBI | Nationwide Blind Installation (window blinds; various location) |
| NBI | Northwest Biocarbon Initiative |
| NBI | Norwich BioSciences Institutes (UK) |
| NBI | New Banner Institute (Columbia, SC) |
| NBI | Nutrition-Behaviour Inventory (psychology; Australia) |
| NBI | Namibia Business Institute (Namibia) |
| NBI | Nevada Biodiversity Initiative |
| NBI | New Business Initiative |
| NBI | Non-Binding Indication (finance) |
| NBI | Newcastle Bioinformatics Initiative (Australia) |
| NBI | Nuclear Burst Indicator |
| NBI | Neutron Beam Injector |
| NBI | Net Business Income |
| NBI | Neutral Beam Interface |
| NBI | Nielsen Broadcast Index |
| NBI | No Boney Injury (medicine) |
| NBI | Not Bearing Interest |
| NBI | National Bartending Institute (Atlanta, Georgia) |
| NBI | NextWave Broadband Inc |
| NBI | New Business International (various locations) |
| NBI | Nuclear Boiler Instrumentation (nuclear power) |