| MMBA | Madurai Bench of Madras Bar Association (India) 
| Others |
| MMBA | Maharashtra Mandal Bay Area
| Others |
| MMBA | Maine Mud Bog Association
| Others |
| MMBA | Management Marketing and Business Administration
| Others |
| MMBA | Management Master of Business Administration (conferred by City University, London)
| Others |
| MMBA | Marquette Manor Baptist Academy
| Others |
| MMBA | Maryland Mortgage Bankers Association
| Others |
| MMBA | Massachusetts Mortgage Bankers Association
| Others |
| MMBA | Master Mariners Benevolent Association
| Others |
| MMBA | Meyers Milias Brown Act
| Others |
| MMBA | Michigan Medical Billers Association
| Others |
| MMBA | Michigan Mount Bikers Association
| Others |
| MMBA | Michigan Mountain Biking Association
| Others |
| MMBA | Michigan Mountain Biking Association (Waterford, Michigan)
| Others |
| MMBA | Mid Minnesota Builders Association
| Others |
| MMBA | Millennial Master of Business Administration
| Others |
| MMBA | Minnesota Municipal Beverage Association
| Others |
| MMBA | Mississauga Minor Basketball Association (Canada)
| Others |
| MMBA | Mississippi Malt Beverage Association
| Others |
| MMBA | Mississippi Minority Business Alliance
| Others |
| MMBA | Moab Mountain Bike Association
| Others |
| MMBA | Montana Mountain Bike Alliance
| Others |
| MMBA | Mothers Milk Bank of Austin
| Others |
| MMBA | Multi-Market Broadband Access
| Others |