| Abbreviation | Definition |
|---|---|
| BLOS | Berkeley Law Opportunity Scholarship |
| BLR | Beijing Law Review |
| BLR | Business Legal Reports |
| BLR | Business Legal Resources |
| BLS | Brooklyn Law School |
| BLSG | Bank Legal Services Group |
| BLST | Basic Lawyering Skills Training |
| BLW | Bounty Land Warrant |
| BLW | Business and Law Week |
| BM | Baby's Mother |
| BM | Behavior Modification |
| BM | Birth Mother |
| BM | Black Male |
| BM | Both Male |
| BM | Bounty Monitor |
| BMB | Bomb |
| BMD | Births Marriages And Deaths |
| BMF | Black Mafia Family (drug trafficking organization) |
| BMI | Baseless Meaningless Idiocy |
| BMLS | Birmingham Medico Legal Society |