| NBI | Nanomaterial Biological Interactions 
| Others |
| NBI | Narrow Band Imaging
| Others |
| NBI | NASDAQ Biotechnology Index
| Others |
| NBI | National Bar Institute
| Others |
| NBI | National Benevolent Institution
| Others |
| NBI | National Bridge Inventory
| Others |
| NBI | National Broadband Ireland
| Others |
| NBI | National Building Inspectors
| Others |
| NBI | National Bureau of Investigation
| Others |
| NBI | National Burial Index
| Others |
| NBI | National Business
| Others |
| NBI | National Business Initiative
| Others |
| NBI | National Business Institute
| Others |
| NBI | Native Bus Interface
| Others |
| NBI | Natural Bodybuilding Incorporated
| Others |
| NBI | NBI, Incorporated
| Others |
| NBI | Nero Back-It-Up
| Others |
| NBI | Netboot Image
| Others |
| NBI | Netware Bus Interface
| Others |
| NBI | Network Based Identification
| Others |
| NBI | Network Based Instruction
| Others |
| NBI | Network Based Intelligence
| Others |
| NBI | New Berlin Initiative
| Others |
| NBI | New Building Installation
| Others |
| NBI | New Building Installations
| Others |
| NBI | New Buildings Institute
| Others |
| NBI | New Business Item
| Others |
| NBI | Newly Broken In
| Others |
| NBI | Newport Business Institute
| Others |
| NBI | Niels Bohr Institute
| Others |
| NBI | Nile Basin Initiative
| Others |
| NBI | Nitrogen Balance Index
| Others |
| NBI | No bone injury
| Others |
| NBI | Non-Battle Injury
| Others |
| NBI | Normal Boundary Intersection
| Others |
| NBI | North Bound Interface
| Others |
| NBI | Northern Backup Inc
| Others |
| NBI | Norwegian Band Index
| Others |
| NBI | Norwich BioScience Institutes
| Others |
| NBI | Not Believable Investigators
| Others |
| NBI | Not Buying It
| Others |
| NBI | Nothing But Increase
| Others |
| NBI | Nothing But Infantry
| Others |
| NBI | Nothing But Initials
| Others |
| NBI | Number of Burn in Iterations
| Others |