| Abbreviation | Definition |
|---|---|
| MM1 | Machinist's Mate First Class |
| MM2 | Machinist's Mate Second Class |
| MM3 | Machinist's Mate Third Class |
| MM38 | Exocet Missile (Ship-Launched) |
| MM40 | Exocet Missile (Long-Range) |
| MMA | Marine Military Academy |
| MMA | Mighty Man Army |
| MMA | Military Manpower Administration |
| MMA | Military Mission Area |
| MMA | Military Mullah Alliance |
| MMA | Mulla Military Alliance |
| MMA | Mullah Military Alliance |
| MMAA | Military Mutual Aid Association |
| MMAAWS | Multi-Mode Anti-Armor Weapon System |
| MMAC | Military Medics and Corpsmen |
| MMAC | Military Mine Action Center |
| MMADS | Molecular Modeling and Display System |
| MMAMP | Medical Mission Area Materiel Plan |
| MMAS | Master Of Military Art And Science |
| MMAS | Masters of Military Art and Science |