| Abbreviation | Definition |
|---|---|
| MBCE | Minnesota Board of Chiropractic Examiners |
| MBCI | Member of the Business Continuity Institute |
| MBCS | Member of the British Computer Society |
| MBMA | Metal Building Manufacturers Association |
| MBNG | Michigan Business Networking Group |
| MBPA | Malta Business and Professional Association |
| MBPA | Michigan Business and Professional Association |
| MBPA | MidAtlantic Book Publishers Association |
| MBPA | Middleburg Business and Professional Association |
| MBS | Miniature Book Society |
| MBSN | Most Beautiful Body Structure in Nigeria |
| MCA | Marine and Coastal Association |
| MCA | Media Communications Association |
| MCA | Mediation and Compromise Association |
| MCAA | Mason Contractors Association of America |
| MCAA | Mechanical Contractors Association of America |
| MCAI | Media Communications Association International |
| MCBA | Michigan Charter Boat Association |
| MCBA | Michigan Creditors Bar Association |
| MCBA | Minnesota Companion Bird Association |