| Abbreviation | Definition |
|---|---|
| BUSA | British Universities Sports Association |
| BUSA | British University Sports Association |
| BUSC | British Universities Snowsports Council |
| BUZ | Buzzard |
| BVB | Ballspiel-Verein Borussia 1909 |
| BVBCCI | Bella Vista Bronco Cross Country Invitational |
| BVC | Birmingham Volleyball Club |
| BVFL | Blue Valley Football League |
| BVP | Brunswick Value Performance |
| BW | Bike Widows |
| BWA | Backyard Wrestling Alliance |
| BWA | Bellevue Wrestling Association |
| BWA | Billiards Worldcup Association |
| BWA | Bloomsbury Wiffleball Association |
| BWA | Bored Wrestlers Association |
| BWA | British Windsurfing Association |
| BWAA | Baldwin Whitehall Athletic Association |
| BWCS | Boston West Coed Softball |
| BWF | Backyard Wrestling Federation |
| BWRC | Brisbane Water Rowing Club |