| MMAC | Madison Meadow Athletic Center 
| Others |
| MMAC | Manhattan Movement Arts Center
| Others |
| MMAC | Mars Model for Astronaut Challenge
| Others |
| MMAC | Maryland Medicaid Advisory Committee
| Others |
| MMAC | Material Management Aggregation Code
| Others |
| MMAC | McHenry Marlins Aquatic Club
| Others |
| MMAC | Mega Man Anniversary Collection
| Others |
| MMAC | Metropolitan Milwaukee Association of Commerce
| Others |
| MMAC | Middleware Mandatory Access Controls
| Others |
| MMAC | Military Medics and Corpsmen
| Others |
| MMAC | Military Mine Action Center
| Others |
| MMAC | Millburn Municipal Alliance Committee
| Others |
| MMAC | Mind Medicine and Culture
| Others |
| MMAC | Minerals Mining Advisory Council
| Others |
| MMAC | Missouri Medicaid Audit and Compliance
| Others |
| MMAC | Mobile Multimedia Access Communications
| Others |
| MMAC | Montana Museum of Art & Culture
| Others |
| MMAC | Montana Museum of Art and Culture
| Others |
| MMAC | Montreal Mynix Athletic Club
| Others |
| MMAC | Motor City Modified Auto Club
| Others |
| MMAC | Multi Media Access Center
| Others |
| MMAC | Multimedia Mobile Access Communication
| Others |
| MMAC | Murray Mallee Auto Club
| Others |
| MMAC | Murray's Martial Arts Centers
| Others |
| MMAC | Mutated in Multiple Advanced Cancers
| Others |