| Abbreviation | Definition |
|---|---|
| BMSW | Bacardi Miami Sailing Week |
| BOAT | Boat on a Trailer |
| BOAU | Boating on a Umiak or U-boat. |
| BOQA | Bridge Operational Quality Assurance |
| BOTY | Boat Of The Year |
| BSBMA | Blackwater Sailing Barge Match Association |
| BSM | Bernhard Schulte shipManagement |
| BSS | Boat Safety Scheme |
| BSSC | Brancaster Staithe Sailing Club |
| BTBT | Ballistic Tip Boat Tail |
| BTMA | Boat Trailer Manufacturers Association |
| BUSL | Boat Utility Stern Loading |
| BWB | Big Water Boat |
| BWSS | Blue Water Sailing School |
| BYOB | Build Your Own Boat |
| CB | Canal Boat |
| CBOA | Commercial Boat Operators Association |
| CCBTI | Cross Country Boat Transport Inc |
| CCG | China Coast Guard |
| CDBA | Canberra Dragon Boat Association |