| Acronym | Definition |
|---|
| MMA | Money Market Account |
| MMA | Mixed Martial Arts |
| MMA | Medicare Prescription Drug, Improvement and Modernization Act |
| MMA | Mobile Marketing Association |
| MMA | Metropolitan Museum of Art (New York City, NY, USA) |
| MMA | Ministério do Meio Ambiente (Portuguese: Ministry of Environment; Brazil) |
| MMA | Methyl Methacrylate |
| MMA | Massachusetts Municipal Association |
| MMA | Minnesota Medical Association (Minneapolis, Minnesota) |
| MMA | MIDI Manufacturers Association |
| MMA | Medicare Modernization Act of 2003 |
| MMA | Massachusetts Maritime Academy |
| MMA | Maine Maritime Academy (Castine, Maine, USA) |
| MMA | Muttahida Majlis-i-Amal (Pakistan) |
| MMA | Millimeter (Antenna) Array |
| MMA | Multi-Mission Maritime Aircraft (US Navy) |
| MMA | Monorail Manufacturers Association |
| MMA | Marketing Management Association |
| MMA | Mennonite Mutual Aid |
| MMA | Maine Municipal Association |
| MMA | Marketing Management Analytics |
| MMA | Manual Metal Arc (welding) |
| MMA | Malaysian Medical Association |
| MMA | Manitoba Medical Association |
| MMA | Marine Military Academy (private school) |
| MMA | Massachusetts Mortgage Association |
| MMA | Mainframe Migration Alliance (Microsoft) |
| MMA | Myanmar Medical Association (Yangon, Myanmar) |
| MMA | Monomethylamine |
| MMA | Mutuelles du Mans Assurances (French insurance company) |
| MMA | Medical Marketing Association |
| MMA | Multi-Mission Aircraft |
| MMA | Modified Motorcycle Association |
| MMA | Mercy Medical Airlift |
| MMA | Meest Milieuvriendelijk Alternatief (Dutch: most environmentally friendly choice) |
| MMA | Microcomputer Managers Association |
| MMA | Manage My Account |
| MMA | Military Medical Academy |
| MMA | Massanutten Military Academy (Woodstock, Virginia) |
| MMA | Maria Mitchell Association |
| MMA | Modified Motorcycle Association (various states) |
| MMA | Methyl-Malonic Acid |
| MMA | Massachusetts Movers Association |
| MMA | Marine Managed Area |
| MMA | Murtala Muhammed Airport (Nigeria) |
| MMA | Montreal, Maine & Atlantic Railway |
| MMA | Middle Meningeal Artery |
| MMA | Main Mission Antenna |
| MMA | Maine Military Authority |
| MMA | Master of Marine Affairs |
| MMA | Multi Managed Account (finance) |
| MMA | Martin Marietta Aggregates |
| MMA | Maine Mycological Association (Bowdoin, Maine) |
| MMA | Multi Media Artist |
| MMA | Master of Musical Arts |
| MMA | Mountain Men Anonymous (band) |
| MMA | Merchant Marine Act of 1936 |
| MMA | Mennonite Medical Association |
| MMA | Micro Modeling Associates, Inc. |
| MMA | Midwest Mustang Association (Ford Mustang owners group) |
| MMA | Merry Meet Again (Wiccan greeting) |
| MMA | Multi-Modulus Algorithm |
| MMA | Metro Manila Aide (band) |
| MMA | Mast Mounted Assembly |
| MMA | Melbourne Metropolitan Area (Australia) |
| MMA | Marked Message Accuracy |
| MMA | Missouri Movers Association Inc. |
| MMA | My Modern Ad (blog) |
| MMA | Mastitis-Metritis-Agalactia Complex |
| MMA | Medical Managers Association |
| MMA | Massachusetts Military Academy (Otis, MA) |
| MMA | Moments Matching Approximation (Algorithm) |
| MMA | Multiplexer Mating Adapter |
| MMA | Medical Materiel Account |
| MMA | Medien Management Akademie GmbH |
| MMA | Management Accounting and Analysis |
| MMA | Multiple Message Alerting (AT&T) |
| MMA | Major Mission Area |
| MMA | Master mind application |
| MMA | Member of the Marketing Association of Australia & New Zealand |
| MMA | Macro Management Scheme (India) |
| MMA | Mode-Matching Analysis |
| MMA | Material Measurement and Accounting |
| MMA | Maintenance Manual All Levels (TMINS) |
| MMA | Michigan Myomassologist Association |
| MMA | Missile Main Assembly |
| MMA | Mudmashers of America |
| MMA | Missouri Midwives Association |
| MMA | Montgomery Modular Arithmetic |
| MMA | Miage Mulhouse Association |
| MMA | Minelayer Auxiliary Ship |