MTA may refer to:

Organizations

Transportation

Metropolitan Transportation Authority The Metropolitan Transportation Authority (MTA) is a public benefit corporation responsible for public transportation in the New York City metropolitan area of the U.S. state of New York. The MTA is the largest public transit authority in th ...

, 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 agencies in other American cities * Flint Mass Transportation Authority, Genesee County, Michigan *

Maine Turnpike Authority Interstate 95 (I-95) in the US state of Maine is a highway running from the New Hampshire state line in Kittery, to the Canadian border in Houlton. It is the only two-digit Interstate Highway in Maine. In 2004, the highway's route between P ...

, 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. The MTA operates a comprehensive transit system throughout the Baltimore-Washingt ...

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, Tennessee * San Francisco Municipal Transportation Agency, California *Los Angeles County Metropolitan Transportation Authority * Mersin-Tarsus-Adana Railway, a defunct Ottoman railway 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, 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, 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

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 MTD (mobile network)#MTA, manual mobile network in Sweden * ''Medial temporal lobe'' type of brain atrophy. * Mousterian of Acheulean tradition _{(:fr:Moustérien de tradition acheuléenne, fr)}, a cultural and technological facies of the Mousterian

Computing

* Cray MTA-2, a supercomputer based on the design of the never-built Tera MTA * Message transfer agent or mail transfer agent, software that transfers e-mail between computers * Multi-touch attribution is a form of attribution (marketing) * Multimedia terminal adapter, 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

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