| Abbreviation | Definition |
|---|---|
| MBL | Menstrual Blood Loss |
| MBM | Master of Bank Management |
| MBM | Master in Business Management |
| MBM | Meat And Bone Meal |
| MBO | Manager Of Business Operations |
| MBO | Management by Objective |
| MBOS | Molecular-Beam Optothermal Spectrometer |
| MBP | Memory Block Page |
| MBP | Mean Blood Pressure |
| MBP | Maximum Benefits Payable |
| Mbps | MegaBits Per Second |
| MBPS | Munchausen By Proxy Syndrome |
| MBPS | Multigated Blood Pool Scanning |
| MBR | Memory Buffer Register |
| MBS | Master of Biomedical engineering Science |
| MBS | Modified Barium Swallow |
| MBS | Mobile Base System |
| MBS | Methaacrylate Butadiene Styrene |
| MBS | Medicare Benefits Schedule |
| MBT | Main Battle Tank |
| MBT | Masters of Business Technology |
| MBV | Monterey Bay Veterans, Inc. (Sportfishing Rehabilitation Center) |
| MBV | Main Base Visit |
| MBWA | Management By Walking Around |
| MBX | Multi- Band Transmitter |
| MC | Municipal Corporation |
| MC | Military Cross |
| MC | Master of Ceremonies |
| MC | Municipal Corporation |
| MC | Medical Certificate; Municipal Corporation; Metropolitan Council |
| MC | Master Clear |
| MC | Myxobolus Cerebralis |
| MC | Microsoft Certified |
| MC | Music Composer |
| MC&W | Master Caution and Warning |
| MCA | Master of Computer Application |
| MCA | Middle Cerebral Artery |
| MCA | Medicines Control Agency (UK) |
| MCA | Multi-Channel Analyzer |
| MCA | Motor Control Assembly |
| MCA | Monitoring and Control Assembly |
| MCA | Maximum Crossing Altitude |
| MCA | Master Control Assembly |
| MCA | Minimum Crossing Altitude |
| MCA | Micro Channel Architecture |
| MCA | Military Compensation Act 1994 |
| MCAD | Microsoft Certified Application Developer |
| MCAD | Microsoft Certified Applications Developer |
| MCARF | Medical Care Availability and Reduction of Error |
| MCAS | Marine Corps Air Station |