| Abbreviation | Definition |
|---|---|
| BLMC | British Leather-goods Manufacturers Association (UK) |
| BLPA | British Life Photography Awards |
| BLPES | British Library of Politics, Economics and Sociology (London School of Economics; England; UK) |
| BLPG | British Lymphoma Pathology Group |
| BLRC | British League of Racing Cyclists |
| BLRC | British League Riders' Championship |
| BLSP | British Light Steel Pressings |
| BMAS | British Medical Acupuncture Society |
| BMAS | British Military Administration Somali |
| BMB | British Motor Boats |
| BMCT | British Motorcycle Charitable Trust |
| BMES | British Meat Education Service |
| BMFA | British Model Flying Association |
| BMH | British Motor Holdings |
| BMHC | British Muslim Heritage Centre |
| BMIC | British Music Information Centre |
| BMMC | British Motorsports Marshals Club |
| BMNH | British Museum of Natural History |
| BMO | British Mathematical Olympiad |
| BMOL | British Men of Letters |