| Abbreviation | Definition |
|---|---|
| BB | Boys Brigade |
| BB | BreakBulk |
| BB | Bunker Buster |
| BB | Butchers Bill |
| BB | Size of the shot in a BB gun |
| BBAC | Battalion Budget Advisory Committee |
| BBB | Bama Bus Brigade |
| BBC | Battery Box Cover |
| BBF | Baptized By Fire |
| BBG | Battleship Battle Group |
| BBHK | Boys' Brigade, Hong Kong |
| BBIS | Basic Background Investigation Status |
| BBL | Barrel (42 US Gallons) |
| BBLC | Boys Brigade Learning Centre |
| BBLC | Boys' Brigade Learning Centre |
| BBLS | Barrels |
| BBM | Big Bloody Mess |
| BBM | Blocking, Bracing Material |
| BBNC | Bomb Blast Net Curtains |
| BBO | Booster Burnout |