| Abbreviation | Definition |
|---|---|
| BRAC | Bangladesh Rural Advanced Committee |
| BRAC | Building Regulations Advisory Committee |
| BRBC | Belgian rare birds committee |
| BRBC | Belgian Rarity Bird Committee |
| BRC | Blue Ribbon Committee |
| BRC | Bowery Residents Committee |
| BROC | Black Recruitment Orientation Committee |
| BROC | Budgetary Responsibility Oversight Committee |
| BRRC | Back River Restoration Committee |
| BSC | Budget Sub Committee |
| BSEC | Base Structure Evaluation Committee |
| BSIC | Broader Social Impacts Committee |
| BSMC | Brazing Soldering Manufacturers Committee |
| BSPC | Bed Stuy Parents Committee |
| BUCO | British Universities Committee on Optometry |
| BUNC | Bargaining Unit Negotiating Committee |
| BUNCs | Bargaining Unit Negotiating Committees |
| BVAC | Balboa Village Advisory Committee |
| BVAC | Board Volunteer Advisory Committee |
| CAA | Committee on Astronomy and Astrophysics |