| Abbreviation | Definition |
|---|---|
| BLT | Bright Light Therapy |
| BLT | Bright Light Treatment |
| BLT | Building Leadership Team |
| BLT | Basic Loaded Touring |
| BLT | Bundesamt fur Landestopographie |
| BLTS | Bioptron Light Therapy System |
| BLU | Bulk Loading Unloading |
| BLUF | Bottom Line Up Front |
| BLV | Biological Limit Value |
| BLVA | Bayerisches Landesvermessungsamt |
| BM | Bachelor of Music |
| BM | Bachelor Medicinae |
| BM | Base Metal |
| BM | Bone Marrow |
| BM | Blood Mage |
| BM | Basal Metabolism |
| BM | Bowel Movement |
| BM | Bump Mapping |
| BM | Biological Molecular |
| BM | Beneficial Microorganisms |
| BM | Board Measure |
| BM | Barbarian Mercenary |
| BM | Beast Master |
| BM | Business Manager |
| BM | Bowel Movement or Breast Milk |
| BM | Blood Monitoring |
| BMA | British Medical Association |
| BMA | Behavior Management Assistant |
| BMA | Body-Mounted Accelerometer |
| BMA | Botswana Ministry of Agriculture |
| BMAC | Bactria Margiana Archaeology Complex |
| BMAG | Body-Mounted Attitude Gyro |
| BMAP | Batch Markovian Arrival Process |
| BMAP | Biological Monitoring and Abatement Program |
| BMAP | Beaver Management Assistance Program |
| BMAP | Belfast Metropolitan Area Plan |
| BMAP | Bone Marrow Acid Phosphatase |
| BMB | Base Maintenance Building |
| BMC | Baseboard Management Controller |
| BMC | British Motor Corporation |
| BMC | Bulk Moulding Compound |
| BMC | Bone Marrow Cell |
| BMD | Bone Mineral Density |
| BMD | Bone Marrow Depression |
| BMDO | Ballistic Missile Defense Office |
| BMDO | Ballistic Missile Defense Organization |
| BMDSC | Bone Marrow-derived Stem Cell |
| BMDW | Bone Marrow Donor Worldwide |
| BME | Biomedical Engineering |
| BME | Bench Maintenance Equipment |