| Abbreviation | Definition |
|---|---|
| B&E | Breaking and Entering |
| BA | Bad Attitude |
| BABC | Bar Association of Baltimore City |
| BAC | Blood Alcohol Content |
| BAD | Big And Dangerous |
| BADGE | Balanced Approach To Drug And Gang Elimination |
| BAILII | British and Irish Legal Information Institute |
| BALS | Bay Area Legal Services |
| BAP | Brief Adjudicative Proceeding |
| BAR | Barrister (Bar Exam) |
| BAS | Becoming Anti Social |
| BASF | Bar Association of San Francisco |
| BASIC | Background Affiliation Status Information Center |
| BATNA | Best Alternative To Negate Aggression |
| BATTLE | Beat Auto Theft Through Law Enforcement |
| BB | Bad Boy |
| BBB | Bad Blue Boys |
| BBC | Background, Behavior, and Consequences |
| BBC | Bad Boyz Club |
| BBC | Brilliant Brilliance Cruisers |