| Abbreviation | Definition |
|---|---|
| BARFO | Best And Really Final Offer |
| BAT | Best Available Technique |
| BBC | Baathist Butcher Collaborator |
| BBER | Bureau of Business and Economic Research |
| BBO | Best Bid Offer |
| BC | Bear Conservation |
| BC | Before Carter |
| BC | Before Castro |
| BCA | Baseline Contamination Assessment |
| BCBP | Bureau of Customs and Border Protection |
| BCDT | Bio-Chemical Domestic Terrorism |
| BCFP | Bureau of Consumer Financial Protection |
| BCFP | Consumer Financial Protection Bureau |
| BCI | Bull Composite Index |
| BCIG | NIH Biomedical Computing Interest Group |
| BCIS | Bureau of Citizenship and Immigration Services |
| BCNRA | Bighorn Canyon National Recreation Area |
| BCP | Beacon Community Program |
| BCR | benefits to costs ratio |
| BD | Budget Deficit |