| MA | Membrane Anchor 
| Others |
| MA | Menstrual Age
| Others |
| MA | Mental Age
| Others |
| MA | Mental Arithmetic
| Others |
| MA | Mercury Amalgam
| Others |
| MA | Merely Average
| Others |
| MA | Message Area
| Others |
| MA | Message Arrival
| Others |
| MA | Metabolic Analyzer
| Others |
| MA | Metal Age
| Others |
| MA | Metamorphic Anamorphosis
| Others |
| MA | Meteorological Applications
| Others |
| MA | Methamphetamine A
| Others |
| MA | Metropolitan Area
| Others |
| MA | MicroApp HDC products for MicroApp executable files
| Others |
| MA | Microphone Amplifier
| Others |
| MA | Mid-Atlantic
| Others |
| MA | Middeck Act
| Others |
| MA | Middle Air
| Others |
| MA | Mildly Apathetic
| Others |
| MA | Military and
| Others |
| MA | Military Assistant
| Others |
| MA | Millennia Ago
| Others |
| MA | Milli Ampere
| Others |
| MA | Milli amps
| Others |
| mA | Milliampere
| Others |
| MA | Milliamps A
| Others |
| MA | Millitary Attache
| Others |
| MA | Mina Anyway
| Others |
| MA | Mindless Automaton
| Others |
| MA | Mine Action
| Others |
| MA | Minnesota Advocates for Human Rights
| Others |
| MA | Misriah Armory
| Others |
| MA | Miss America
| Others |
| MA | Miss August
| Others |
| MA | Missed Approach
| Others |
| MA | Mission Analysis
| Others |
| MA | Mission Area
| Others |
| MA | Mission Assignment
| Others |
| MA | Missions Advisor
| Others |
| MA | MittleAlter
| Others |
| MA | Mixed Agglutination
| Others |
| MA | Mobile All
| Others |
| MA | Moderately Advanced
| Others |
| MA | Modern Ark
| Others |
| MA | Modern Arts
| Others |
| MA | Modernisation Agency
| Others |
| MA | Modified Achromat
| Others |
| MA | Moist Air
| Others |
| MA | Mom Alert
| Others |