| Acronym | Definition |
|---|
| MTA➣Mail Transport Agent (e-mail) |
| MTA➣Metropolitan Transportation Authority (New York, NY, USA) |
| MTA➣Mail Transfer Agent (Internet E-Mail) |
| MTA➣Mount Allison University |
| MTA➣Los Angeles County Metropolitan Transportation Authority |
| MTA➣Maryland Transit Administration |
| MTA➣Meet the Author |
| MTA➣Magyar Tudományos Akadémia (Hungarian Academy of Sciences, Budapest) |
| MTA➣Material Transfer Agreement |
| MTA➣Military Transport Aircraft |
| MTA➣Medium Transport Aircraft |
| MTA➣Metropolitan Transit Authority (Boston, now MBTA) |
| MTA➣Multimodal Treatment Study of Children with ADHD (Attention Deficit Hyperactivity Disorder; US NIMH) |
| MTA➣Mercato Telematico Azionario (Italian: Online Stock Market) |
| MTA➣Motor Trade Association |
| MTA➣Medical Technology Assessment |
| MTA➣Message Transfer Agent |
| MTA➣Malta Tourism Authority |
| MTA➣Management and Technical Assistance |
| MTA➣Multi Theft Auto (game) |
| MTA➣Managing the Atom |
| MTA➣Multimedia Terminal Adapter |
| MTA➣Master of Tourism Administration |
| MTA➣Mass Transit Administration |
| MTA➣Mario Tennis Aces (gaming) |
| MTA➣Maryland Transit Authority |
| MTA➣Massachusetts Turnpike Authority |
| MTA➣Market Technicians Association (financial markets) |
| MTA➣Military Training Area |
| MTA➣Massachusetts Teachers Association |
| MTA➣Multi Threaded Apartment |
| MTA➣Message Transport Agent |
| MTA➣Message Transfer Architecture |
| MTA➣Media Termination Adapter |
| MTA➣My Talker Address |
| MTA➣Metropolitan Transportation Authority |
| MTA➣Manual Transmission Automated |
| MTA➣Multi Threaded Architecture |
| MTA➣Mobile Telephony Api |
| MTA➣Multi Tier Application |
| MTA➣Multi Tier Architecture |
| MTA➣Mail Transfer Agent |
| MTA➣Michigan Townships Association |
| MTA➣Marvel's the Avengers (film) |
| MTA➣Major Trading Area(s) |
| MTA➣Maximum Time Aloft |
| MTA➣Mid-Term Appraisal |
| MTA➣Mage: the Awakening (gaming) |
| MTA➣Medical Technical Assistant |
| MTA➣Mineral Trioxide Aggregate |
| MTA➣Monthly Treasury Average |
| MTA➣Monthly Treasury Average (ARM index) |
| MTA➣Maine Turnpike Authority |
| MTA➣Microsoft Technology Associate (certification) |
| MTA➣Maccabi Tel Aviv (Israeli basketball team) |
| MTA➣Minimum Transfer Amount (collateral) |
| MTA➣Muslim Television Ahmadiyya (UK) |
| MTA➣Million Metric Tons Annually |
| MTA➣Mathematics Teachers Association |
| MTA➣Marin Telecommunications Agency (Novato, CA) |
| MTA➣Metallic Test Access (Nortel) |
| MTA➣Maintenance Task Analysis |
| MTA➣Medizinisch-Technische Assistentin (German Profession in Medical Sector) |
| MTA➣Masonic Temple Association (various locations) |
| MTA➣Major Training Area |
| MTA➣Mendocino Transit Authority (California) |
| MTA➣Mid-Term Adjustment (insurance policy change) |
| MTA➣Mage: the Ascension (game) |
| MTA➣Message Traffic Analysis |
| MTA➣Mississippi Technology Alliance (Ridgeland, MI) |
| MTA➣Mitsubishi Turbocharger Asia Co., Ltd. (Japan) |
| MTA➣Metropolitan Trading Area |
| MTA➣Multi-Threaded Architecture |
| MTA➣Manchester Transit Authority (New Hampshire, USA) |
| MTA➣Media Terminal Adaptor (cable telephony) |
| MTA➣Minnesota Telephone Association |
| MTA➣Minnesota Taxpayers Association |
| MTA➣Montana Telecommunications Association (formerly Montana Telephone Association) |
| MTA➣Military Training Agreement (US DoD) |
| MTA➣M Technology Association (user group for the M [MUMPS] programming language) |
| MTA➣Multiple Terminal Access |
| MTA➣Military Testing Association |
| MTA➣Major Technical Area |
| MTA➣Motorcycle Touring Association (US) |
| MTA➣Muslim TV Ahmadiyya (satellite channel) |
| MTA➣Multiple Technology Appraisal (National Health Service; UK) |
| MTA➣Maryland Taxpayers Association |
| MTA➣Mpumalanga Tourism Authority (South Africa) |
| MTA➣Mobile Task Automation |
| MTA➣Model Turned Actress |
| MTA➣Minnesota Telecommunications Association |
| MTA➣Microwave Transition Analyzer |
| MTA➣Material Transfer Area (various organizations) |
| MTA➣Management Team Associates (Santa Monica, CA) |
| MTA➣Medium Threat Area (US DoD) |
| MTA➣Majura Training Area (Australia) |
| MTA➣Mother Tongue Annoyances (linguistics; blog) |
| MTA➣Monopropellant Tank Assembly (Cassini Plasma Spectrometer) |
| MTA➣Montana Telephone Association (now Montana Telecommunications Association) |
| MTA➣Minnesota Trappers Association |
| MTA➣Minnesota Transit Authority |
| MTA➣Mass Termination Assembly (computer engineering) |
| MTA➣Macintosh Telephony Architecture (Apple) |
| MTA➣Motorcycle Tires and Accessories |
| MTA➣Military Transportation Authorization |
| MTA➣Minnesota Trout Association |
| MTA➣Maryland Transit Association |
| MTA➣Muhlenberg Theatre Association (Muhlenberg College) |
| MTA➣Media Termination Adapters |
| MTA➣Maintenance Technical Assistance |
| MTA➣Multi-TADIL Architecture |
| MTA➣Metropolitan Transit Area |
| MTA➣Multiple Time Around (radar systems) |
| MTA➣Medical Tourism Association, Inc. |
| MTA➣Maitland Trail Association (Goderich, ON, Canada) |
| MTA➣Music Teachers' Association of New South Wales |
| MTA➣Modular Test Architecture |
| MTA➣Message Transport Address (Sprint) |
| MTA➣Midwest Telecommunications Association |
| MTA➣Manual Target Acquisition |
| MTA➣Multimedia Terminal and Applications |
| MTA➣Manhattan Torah Academy |
| MTA➣Militärisch-Technisches Abkommen (German: Treaty on Military Technologies) |
| MTA➣Marine Tactical Automated Command and Control System |
| MTA➣Magnetic Torque Assembly |
| MTA➣Materiel Transfer Agreement |
| MTA➣Maghrébine de Transport & Auxiliaires |
| MTA➣MAC Transportation Request |
| MTA➣Manufacturing Technology Activity |
| MTA➣Multi-Object Trace Assertion |
| MTA➣Memo To Agent |
| MTA➣Medium Temperature Adhesive |
| MTA➣Materials Testing Activity |
| MTA➣Mutual Training Association |
| MTA➣Mission Tasking Agreement |
| MTA➣Maximum Turning Angle |
| MTA➣Matched Typed Address (philately) |
| MTA➣Main Training Area |
| MTA➣Mine Threat Area |
| MTA➣Mac Technology Association (UK Trade Association for Apple Mac resellers) |