| Abbreviation | Definition |
|---|---|
| MANC | Midwest All Nissan Club |
| MARAC | Mobile Amateur Radio Awards Club |
| MATC | Maine Appalachian Trail Club |
| MATC | Michigan Argentine Tango Club |
| MBAC | Mohun Bagan Athletic Club |
| MBARC | Mount Baker Amateur Radio Club |
| MBARC | Mt Baker Amateur Radio Club |
| MBARC | Mt Beacon Amateur Radio Club |
| MBBC | Malletts Bay Boat Club |
| MBBC | Manhattan Beach Badminton Club |
| MBBC | Manly Bulge Bicycle Club |
| MBBC | Mustang Band Booster Club |
| MBC | Makati Business Club |
| MBCA | Mercedes Benz Club of America |
| MBCC | Meredith Bay Colony Club |
| MBCC | Mount Baker Camera Club |
| MBCM | Mercedes Benz Club Management |
| MBCN | Mercedes Benz Club Nederland |
| MBFC | Michael Ball Fan Club |
| MBFC | Mind Body Fit Club |