| Abbreviation | Definition |
|---|---|
| BADD | Bothered About Dungeons And Dragons |
| BAFC | Burton Albion Football Club |
| BAFL | British American Football League |
| BAG | Below Average Golfer |
| BAG | Burgundy And Grey |
| BAG | Buy A Gun |
| BAK | Bike Across Kansas |
| BAK | Biking Across Kansas |
| BAKU | Bavarian Amateur Kickboxing Union |
| BAL | Baltimore Orioles |
| BAL | Battle Arena League |
| BALL | Back of A Left out Lol face |
| BAM | Balance Anticipation and Momentum |
| BAMM | Baseball Academy Of Mid Michigan |
| BANC | Badminton Association of Northern California |
| BAOA | Bay Area Official Association |
| BAP | Ball And Paddle |
| BAR | British American Racing |
| BARC | British Automobile Racing Club |
| BARK | Baseball Aquatic Retrieval Korps |