| Acronym | Definition |
|---|
| MMAC | Mega Man Anniversary Collection (gaming) |
| MMAC | Mixed Martial Arts and Crafts (gaming clan) |
| MMAC | Mixed Martial Arts Competition |
| MMAC | Mike Monroney Aeronautical Center |
| MMAC | Metropolitan Milwaukee Association of Commerce |
| MMAC | Multi Media Access Center |
| MMAC | Moore Musical Arts Center (Bowling Green State University; Bowling Green, OH) |
| MMAC | Mixed Martial Arts Club (various locations) |
| MMAC | Multimedia Mobile Access Communication |
| MMAC | Multi Media Access Center (Cabletron) |
| MMAC | Million Multiply Accumulate Operations |
| MMAC | Manhattan Movement & Arts Center (New York, NY) |
| MMAC | Metropolitan Museum and Art Center (Miami, FL) |
| MMAC | Mutated in Multiple Advanced Cancers |
| MMAC | Mobile Multimedia Access Communication |
| MMAC | Multiple Model Adaptive Control |
| MMAC | Mixed Martial Arts Championship |
| MMAC | Materiel Management Aggregation Code |
| MMAC | Multi Media Arts Center |
| MMAC | Manitoba Masters Aquatics Club (Canada) |
| MMAC | Maintenance Management And Control file |
| MMAC | Multi Mass Acceleration Curve |
| MMAC | Medical Material Advice Code |