Act, ACT, or The Act may refer to:
Arts and entertainment
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UnoTheActivist, American rapper also known as UnoTheActivist
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A.C.T, a Swedish band
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Act (band), a British band
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The Act (band), a Norwegian rock band from the 1980s
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Act (drama), a segment of a dramatic or musical work (such as a play, opera, or ballet)
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Acting, theatrical performance
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ACT Music, a German music label
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The Act (musical), a 1977 musical
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The Act (1989 film), a 1989 British television film by Richard Langridge
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Acts (album), a 2012 album by American band RNDM
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ACT (album), a 2009 album by Ben Wendel, Harish Raghavan, and Nate Wood
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ACT Theatre, in Seattle, Washington, US
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The Act (TV series), a 2019 true crime TV series
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The Act (video game), a 2007 arcade game produced by Cecropia
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American Conservatory Theater, in San Francisco, California, US
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Arts & Culture Trust, a South African cultural organisation responsible for the ACT Awards
Aviation
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Aviation Composite Technology, an aircraft manufacturer in the Philippines
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IATA airport code for Waco Regional Airport in State of Texas, USA
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Air ACT, a Turkish charter airline
Business organizations
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AdaCore, formerly Ada Core Technologies, Ada specialist software company
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Advanced Cell Technology, stem cell company
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Advanced Computer Techniques, a U.S. software company 1962–1994
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Applied Computer Techniques, later Apricot Computers, UK
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Atria Convergence Technologies, a telecommunications company in India
Education
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ACT (for-profit organization), provides assessments for US school students, etc.
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ACT (test), for college admission, US
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Asian College of Technology, Cebu City, Philippines
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Australian College of Theology
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Aksorn Charoen Tat, Thai educational publishing company
Government and military
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AC Transit, a transit agency serving Alameda and Contra Costa Counties, California
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Advanced Clean Trucks Regulation, a rule made by the California Air Resources Board which requires trucks to decarbonize
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Advanced Concepts Team, a research team of the European Space Agency
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Agency for Community Transit, a paratransit system for Madison County Transit, Illinois
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Allied Command Transformation, a NATO strategic command
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Azienda comunale del traffico, a former transport operator in Lugano, Switzerland
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Puerto Rico Highways and Transportation Authority ()
Law
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Act (document), a document recording the legality of a transaction or contract
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Acting (law), someone temporarily exercising the powers of a vacant position
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Act of parliament, Act of Congress, or Act of Tynwald, a statute or law passed by a legislature
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Advance corporation tax, a tax collected in the UK until 1999
Political parties and campaigning/advocacy groups
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ACT Alberta, a Canadian coalition to raise awareness about human trafficking
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ACT Alliance, an alliance of churches for coordinating humanitarian assistance and development work
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ACT-CIS Partylist, a political party in the Philippines
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ACT for America, an advocacy group in the United States
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Action for Children's Television, an organization dedicated to improvements in children's television
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Act! (Italy), an Italian political party
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ACT New Zealand, a political party in New Zealand
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Alliance of Concerned Teachers, a political party in the Philippines
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Agir (France) (French for "Act"), a political party in France
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Alliance for Change and Transparency, a political party in Tanzania
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Amazon Conservation Team, a non-profit organization that works to protect the Amazon rainforest
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America Coming Together, a US political group
Professional organizations
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Academy of Clinical Thyroidologists, United States
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Alliance of Concerned Teachers, Philippines
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American College of Toxicology
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Association for Citizenship Teaching, UK
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Association of Cinematograph, Television and Allied Technicians, UK
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Association of Corporate Treasurers, UK
Other organizations
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ACT, former name of Together for Short Lives, a children's charity in the United Kingdom
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Addenbrooke's Charitable Trust, a UK charity
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Anglican Church in Thailand
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Association of Commercial Television in Europe, a group representing the business interests of commercial television in the EU
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Australian Civic Trust, an Australian urban design organization
Science, technology, and mathematics
Computing
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Act! LLC, a customer relationship management software
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ACT (NASDAQ), Automated Confirmation of Transactions, a trade reporting and clearing system
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ACT-R, a symbolic cognitive architecture
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Apple Certified Trainer, one of the Apple certification programs
Medicine
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Acceptance and commitment therapy, a type of cognitive-behavioral therapy
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Acetylcholine, (ACt/ACh) a neurotransmitter
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Activated clotting time, a test of coagulation
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Adoptive cell transfer, transfer of cells into a patient, usually immune system cells
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Artemisinin based combination therapy, a treatment for malaria
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Assertive community treatment, a system for treating mental illness
Other uses in science, technology, and mathematics
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ACT, a codon for the amino acid Threonine
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ACT (audio format), a file format
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Act or S-act, the action of a monoid on a set, or a semiautomaton
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Astrographic Catalog/Tycho or Tycho-2 Catalogue
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Atacama Cosmology Telescope, Chile
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Ford ACT, a transit system
Sports
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American Canadian Tour, a stock car racing series
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Australia national cricket team
Other uses
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ACT, the National Rail code for Ascot railway station, Berkshire, UK
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Acting rank, temporary military rank
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ACT, in linguistics, glossing abbreviation for active voice
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ACT mouthwash, produced by Chattem
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ACT, the ISO 639-3 language code for Achterhooks, a Dutch dialect
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Australian Capital Territory, the territory in which the Australian capital city of Canberra is seated
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Courtney Act, Australian drag queen, singer, and television personality
See also