| Abbreviation | Definition |
|---|---|
| BLUC | Bike Locker Users Club |
| BLUF | Breeches and Leather Uniform Fanclub |
| BLUF | Breeches Leather Uniform Fanclub |
| BLUF | The Breeches Leather Uniform Fanclub |
| BMBC | Bridgewater Motor Boat Club |
| BMBC | Bristol Mountain Bike Club |
| BMBC | Burrup Mountain Bike Club |
| BMCT | Blood Money Club Traxx |
| BMDCC | Bernese Mountain Dog Club of Canada |
| BMDE | Businessclub of Morrocan Dutch Entrepreneurs |
| BMFC | Bacchus Marsh Football Club |
| BMKC | Black Mountain Kennel Club |
| BMMC | Black Millennium Modeling Club |
| BMMC | British Motorsport Marshals Club |
| BMMC | British Motorsports Marshals Club |
| BMMFC | Bury Metro Model Flying Club |
| BMOC | British Motorcycle Owners Club |
| BMRC | Bermuda Motorcycle Racing Club |
| BMRC | Boulder Model Railroad Club |
| BMRC | Bryn Mawr Running Club |