| Abbreviation | Definition |
|---|---|
| BBSI | Bioengineering and Bioinformatics Summer Institute |
| BBSI | Bournemouth Business School International |
| BBSR | Bermuda Biological Station for Research |
| BBU | Best Buddies University |
| BBU | Big Brother University |
| BBUC | Bishop Barham University College |
| BBWM | Bear Brook Watershed in Maine |
| BC | Bernhard Center |
| BCA | Black Coaches Association |
| BCA | British Coaching Academy |
| BCBC | Bridgend County Borough Council |
| BCD | Beavers Conquer Ducks |
| BCDO | Business Career Development Office |
| BCDS | Broadband Communications and Distributed Systems research group |
| BCFJ | William J. Brennan Jr. Center For Justice at New York University |
| BCHM | Biochemistry |
| BCIR | Burkle Center for International Relations |
| BCIS | Berkeley Center for the Information Society |
| BCIS | Berkman Center for Internet and Society |
| BCIT | British Columbia Institute of Technology |