| Abbreviation | Definition |
|---|---|
| MBI | Minimum Background Investigation |
| MBI | Mississippi Bureau of Investigation |
| MBIX | Multi Broadcast Investigation Expanded |
| MBJ | Morgan, Brown, & Joy Employment Law Firm |
| MBL | Masters Of Business Law |
| MBLA | Massachusetts Black Lawyers Association |
| MBLA | McGill Business Law Association |
| MBPA | Mortgage Broker Practices Act |
| MBS | Malawi Bureau of Standards |
| MBTC | Misdemeanor Brooklyn Treatment Court |
| MBWA | Massachusetts Black Women Attorneys |
| MC | Major Case |
| MC | Male Caller |
| MC | Move the Crowd |
| MCA | Mesdemeanant Corrections Association |
| MCAA | Michigan Court Administrators Association |
| MCAP | The Metropolitan Center For Assault Prevention |
| MCBA | Maricopa County Bar Association |
| MCBA | Middlesex County Bar Association |
| MCCM | Modular Crowd Control Munition |