| Abbreviation | Definition |
|---|---|
| BCDB | Beer City Dog Biscuits |
| BCDC | Bayshore Companion Dog Club |
| BCOD | Bulldog Club of Denver |
| BD | Beagle Dog |
| BDAR | Black Dog Animal Rescue |
| BDDR | Brighter Days Dog Rescue |
| BDN | Big Dog Natural |
| BDOC | Bytown Dog Obedience Club |
| BDTS | Billericay Dog Training School |
| BDY | Barking Dog Yarns |
| BDY | Brown Dog Yoga |
| BEB | Blue-Eyed Bulldog |
| BEC | Bell Atlantic Corporation |
| BFD | Bad Fur Day |
| BFLD | Brown Fox Lazy Dog |
| BGDF | Belgian Guide Dog Federation (Belgium) |
| BHAAD | Blue Heron Agility Association of Delaware |
| BHAD | Blue Heron Agility Dog |
| BHAQ | Basenji Hound Association of Queensland |
| BJ | Bar Jump |