| Abbreviation | Definition |
|---|---|
| BAVG | Bay Area Velo Girls |
| BAVP | Boston Area Volleyball Players |
| BAW | Basketball Association of Wales |
| BAWS | Bay Area World Series |
| BAYFL | Bay Area Youth Football League |
| BAYSA | Bay Area Youth Soccer Association |
| BB | Back-to-Back |
| BB | Bad Break |
| BB | Ball Busting |
| BB | Ballroom Blitz |
| BB | BareBack (horse riding) |
| BB | Base on Balls |
| BB | BaseBall |
| BB | Bat Boy |
| BB | Big Bets |
| BB | Body Builder |
| BBA | Backyard Brawlers Association |
| BBA | Beyblade Battle Association |
| BBB | Baseball Bat Bag |
| BBB | Best Buddy Badminton |