| Abbreviation | Definition |
|---|---|
| BOSCA | BUSINESS of Small College Athletics |
| BPAA | Brooklyn Park Athletic Association |
| BRAA | Blue Raider Athletic Association |
| BRAC | Babson Recreation and Athletics Center |
| BRW | Benchmark Risk Weight |
| BRYAA | Boca Raton Youth Athletic Association (Boca Raton, FL) |
| BSAT | Bachelor of Science in Athletic Training |
| BSAT | Bachelors of Science in Athletic Training |
| BSSAC | Barbados Secondary Schools Athletics Championships |
| BSSC | Boston Ski and Sports Club |
| BTAA | Berlin Township Athletic Association |
| BTAA | Bethlehem Township Athletic Association |
| BUAA | Boston University Athletic Association |
| BUSA | British Universities Sports Association |
| BVAL | Blossom Valley Athletic League |
| BWAA | Baldwin Whitehall Athletic Association |
| BWAA | Bishop Watterson Athletic Association |
| BWAA | British Wheelchair Athletic Association |
| BWAA | British Wheelchair Athletics Association |
| CAA | Canyon Athletic Association |