MMA (disambiguation)
- 3-Methoxy-4-methylamphetamine
- AMM (disambiguation)
- MA (disambiguation)
- MAA (disambiguation)
- MIDI Manufacturers Association
- MMA - Meu Melhor Amigo
- MMAS (disambiguation)
- Maastricht Formation
- MacRobertson Miller Airlines
- Maine Maritime Academy
- Maldives Monetary Authority
- Malta Maritime Authority
- Manual metal arc welding
- Manufacturer's Mutual Association
- Maria Mitchell Association
- Massachusetts Maritime Academy
- Massanutten Military Academy
- Maxillomandibular advancement
- Medicare Modernization Act
- Melon Music Awards
- Methenmadinone acetate
- Methyl methacrylate
- Methylmalonic acid
- Methylmalonic acidemia
- Metro FM Music Awards
- Metropolitan Manila Development Authority
- Middle meningeal artery
- Milford Mill Academy
- Military Manpower Administration
- Military Medical Academy (Bulgaria)
- Millimeter Array
- Missouri Military Academy
- Mixed martial arts
- Money market account
- Monomelic amyotrophy
- Monomethylaniline
- Montreal, Maine and Atlantic Railway
- Multimission Maritime Aircraft
- Music Modernization Act
- Muttahida Majlis-e-Amal
- Myanmar Music Association
- Quezon City
- Tagum
- Tecnam P2006T
- UAV
- Union of Sales and Marketing Professionals