MTA may refer to:

Organizations

Transportation

Metropolitan Transportation Authority The Metropolitan Transportation Authority (MTA) is a New York state public benefit corporations, public benefit corporation in New York (state), New York State responsible for public transportation in the New York metropolitan area, New York Ci ...

, the public transport agency in the metropolitan area of New York City, United States * Metropolitan Transit Authority (disambiguation), which may refer to several public transport/transit agencies * Flint Mass Transportation Authority, Genesee County, Michigan * Maine Turnpike Authority, Maine * Manchester Transit Authority, New Hampshire *

Maryland Transit Administration The Maryland Transit Administration (MTA) is a state-operated mass transit administration in Maryland, and is part of the Maryland Department of Transportation (MDOT). The MTA operates a comprehensive transit system throughout the Washington� ...

Massachusetts Bay Transportation Authority The Massachusetts Bay Transportation Authority (abbreviated MBTA and known colloquially as "the T") is the public agency responsible for operating most public transportation services in Greater Boston, Massachusetts. The MBTA transit network in ...

, formerly Metropolitan Transit Authority * Massachusetts Turnpike Authority * Mendocino Transit Authority, California * Mountain Ash railway station, Wales, National Rail station code * Nashville Metropolitan Transit Authority, doing business as

WeGo Public Transit WeGo Public Transit is a public transportation agency based in Nashville, Tennessee, Nashville, Tennessee. Consisting of city buses and paratransit, the system serves Nashville and Davidson County, Tennessee, Davidson County. In , the system h ...

, Tennessee * San Francisco Municipal Transportation Agency, California *

Los Angeles County Metropolitan Transportation Authority The Los Angeles County Metropolitan Transportation Authority (LACMTA), branded as Metro, is the county agency that plans, operates, and coordinates funding for most of the Transportation in Los Angeles, public transportation system in Los Ang ...

* Mersin-Tarsus-Adana Railway, a defunct Ottoman railway company * Master Top Airlines, a defunct Brazilian airline company

Education

* Hungarian Academy of Sciences (''Magyar Tudományos Akadémia''), Budapest, Hungary * Marsha Stern Talmudical Academy, an Orthodox Jewish private high school in New York, New York, US *

Mount Allison University Mount Allison University (also Mount A or MtA) is a Canadian primarily undergraduate liberal arts university located in Sackville, New Brunswick, founded in 1839. Mount Allison was the first university in the British Empire to award a baccal ...

, a university in Sackville, New Brunswick, Canada * Musical Theatre Academy, a drama college based in London, UK

Other

* Metrolina Theatre Association, an organization which advocates performing arts in Charlotte, North Carolina, US * MTA Records, More Than Alot Records, a record label *

Muslim Television Ahmadiyya International Muslim Television Ahmadiyya International (MTA), a globally-broadcasting, nonprofit organization, nonprofit satellite television, satellite television network and a division of Al-Shirkatul Islamiyyah, was established in 1994 and launched the wo ...

, a satellite television network * Move to Amend, a U.S. political advocacy organization that seeks to amend the Constitution * Manufacturing Technologies Association, a UK trade association * Market Technicians Association, a non-profit organization of technical analysts * General Directorate of Mineral Research and Exploration (Turkey), known as MTA * Michigan Townships Association, an association of US township governments * Mong Tai Army, an armed rebel group * Metro Transit Assassins, a graffiti collective

Sports

* Maccabi Tel Aviv, a sports club in Israel ** Maccabi Tel Aviv B.C., basketball team ** Maccabi Tel Aviv F.C., football (soccer) team * Maximum time aloft, a sporting event with a boomerang

Science and technology

* methylthioadenosine, a cofactor in biochemistry * 4-Methylthioamphetamine, a designer drug of the substituted amphetamine class developed in the 1990s * Material transfer agreement, governing the transfer of research materials between two organizations * Mineral trioxide aggregate, dental material, used in endodontics and vital pulp therapy * MTA (Swedish: ''Mobiltelefonisystem A''), a former manual mobile network in Sweden * ''Medial temporal lobe'' type of

brain atrophy Cerebral atrophy is a common feature of many of the diseases that affect the brain. Atrophy of any tissue means a decrement in the size of the cell, which can be due to progressive loss of cytoplasmic proteins. In brain tissue, atrophy describes ...

. * Mousterian of Acheulean tradition _{( fr)}, a cultural and technological facies of the

Mousterian The Mousterian (or Mode III) is an Industry (archaeology), archaeological industry of Lithic technology, stone tools, associated primarily with the Neanderthals in Europe, and with the earliest anatomically modern humans in North Africa and We ...

Computing

* Cray MTA-2, a supercomputer based on the design of the never-built Tera MTA *

Message transfer agent Within the Internet email system, a message transfer agent (MTA), mail transfer agent, or mail relay is software that transfers electronic mail messages from one computer to another using the Simple Mail Transfer Protocol. In some contexts, the a ...

or mail transfer agent, software that transfers e-mail between computers * Multi-touch attribution is a form of

attribution (marketing) In marketing, attribution, also known as multi-touch attribution (MTA), is the identification of a set of user actions ("events" or "touchpoints") that contribute to a desired outcome, and then the assignment of a value to each of these events. Ma ...

Multimedia terminal adapter A cable modem is a type of network bridge that provides bi-directional data communication via radio frequency channels on a hybrid fiber-coaxial (HFC), radio frequency over glass (RFoG) and coaxial cable infrastructure. Cable modems are primar ...

, a combination cable modem and telephone adapter * Multi-Threaded Apartment, a concept used in Microsoft's Component Object Model programming architecture * Microsoft Technology Associate, a certification scheme run by Microsoft

Gaming

* '' Multi Theft Auto'', a mod for computer games in the PC game series ''Grand Theft Auto''

Other uses

* "M.T.A." (song), or "Charlie on the M.T.A.", a 1959 hit song by The Kingston Trio * Major trading area, a geographic region of the US surrounding a major city; See List of Basic Trading Areas * Mall Taman Anggrek, a shopping center in West Jakarta, Indonesia * Mid-term adjustment, a change in an insurance policy * Military Technical Agreement, treaty ending the Kosovo War in June 1999 * Milk Tea Alliance, an online democracy and human rights movement * Farmall M-TA, a widely-used model in the Farmall M tractor series * UAC/HAL Il-214 Multirole Transport Aircraft, a planned medium-lift military transport