| Abbreviation | Definition |
|---|---|
| BIN | Bidder Identification Number |
| BIR | Bureau of Internal Revenue |
| BIS | Bureau of Industry and Security |
| BIW | Business Information Warehouse |
| BJA | Bureau of Justice Assistance |
| BJA | Bureau of Justice Assistance (US Department of Justice) |
| BJAG | Edward J. Byrne Memorial Justice Assistance Grant |
| BJS | Bureau of Justice Statistics |
| BLA | Biologics Licensing Application |
| BLI | The Barely Living Index |
| BLM | Bureau of Land Management |
| BLS | Bureau of Labor Statistics |
| BMC | Bulk Mail Center |
| BMCR | Big Morongo Canyon Preserve |
| BMDL | Below Minimum Detectable Limits |
| BME | Board Of Medical Examiners |
| BMO | Building Management Office |
| BMWA | British Weights and Measures Association |
| BNA | Bureau of National Affairs |
| BNAC | British Native American Colonies |