| Acronym | Meaning |
| MMA | Macro Management Scheme (India) |
| MMA | Maine Maritime Academy (Castine, Maine, USA) |
| MMA | Maine Military Authority |
| MMA | Maintenance Manual All Levels (TMINS) |
| MMA | Major Mission Area |
| MMA | Marine Managed Area |
| MMA | Marine Military Academy (private school) |
| MMA | Maritime Museum of the Atlantic (Canada) |
| MMA | Massachusetts Military Academy (Otis, MA) |
| MMA | Massanutten Military Academy (Woodstock, Virginia) |
| MMA | Mast Mounted Assembly |
| MMA | Medical Materiel Account |
| MMA | Medicare Modernization Act of 2003 |
| MMA | Medicare Prescription Drug, Improvement and Modernization Act |
| MMA | Melbourne Metropolitan Area (Australia) |
| MMA | Merchant Marine Act of 1936 |
| MMA | Military Manpower Administration (South Korea) |
| MMA | Military Medical Academy |
| MMA | Minelayer Auxiliary Ship |
| MMA | Ministério do Meio Ambiente (Portuguese: Ministry of Environment; Brazil) |
| MMA | Missile Main Assembly |
| MMA | Multi-Mission Aircraft |
| MMA | Multi-Mission Maritime Aircraft (US Navy) |
| MMA | Muttahida Majlis-i-Amal (Pakistan) |