| Acronym | Definition |
|---|
| BNI | Business Network International |
| BNI | Business Networking International |
| BNI | Bank Negara Indonesia |
| BNI | Boundary Node Identifier |
| BNI | Broadband Network Interface |
| BNI | Barrow Neurological Institute (Phoenix, AZ) |
| BNI | Bishop Noll Institute (Hammond, IN) |
| BNI | British Nursing Index |
| BNI | Bechtel National, Inc. |
| BNI | Baltimore Neighborhoods, Inc |
| BNI | Batteries Not Included |
| BNI | Boone Newspapers, Inc. (Tuscaloosa, AL) |
| BNI | Benin City, Nigeria (airport code) |
| BNI | Bureau of Narcotics Investigation |
| BNI | Better Neighborhoods, Inc. (New York) |
| BNI | Ballast Nedam Infra (Dutch civil engineering firm) |
| BNI | Broadband Network Interface (Cisco) |
| BNI | Bladder Neck Incision (urology) |
| BNI | Bankruptcy Navigator Index (software) |
| BNI | Brave New Institute (Minneapolis, MN) |
| BNI | Bigger Net Income (business networking organization; St. Louis, MO; est. 1994) |
| BNI | Basic Nuclear Installation |
| BNI | Bio Nova International Pty. Ltd (Australian medical device manufacturer) |