Act

• The Act, American rapper also known as UnoTheActivist • A.C.T, a Swedish band • Act (band), a British band • The Act (band), a Norwegian rock band from the 1980s • Act (drama), a segment of a dramatic or musical work (such as a play, opera, or ballet) • Acting, theatrical performance • ACT Music, a German music label • The Act (musical), a 1977 musical • The Act (1989 film), a 1989 British television film by Richard Langridge • Acts (album), a 2012 album by American band RNDM • ACT (album), a 2009 album by Ben Wendel, Harish Raghavan, and Nate Wood • ACT Theatre, in Seattle, Washington, US • The Act (TV series), a 2019 true crime TV series • The Act (video game), a 2007 arcade game produced by Cecropia • American Conservatory Theater, in San Francisco, California, US • Arts & Culture Trust, a South African cultural organisation responsible for the ACT Awards ==Aviation==

• Aviation Composite Technology, an aircraft manufacturer in the Philippines • IATA airport code for Waco Regional Airport in State of Texas, USA • Air ACT, a Turkish charter airline == Business organizations ==

• AdaCore, formerly Ada Core Technologies, Ada specialist software company • Advanced Cell Technology, stem cell company • Advanced Computer Techniques, a U.S. software company 1962–1994 • Applied Computer Techniques, later Apricot Computers, UK • Atria Convergence Technologies, a telecommunications company in India == Education ==

• ACT (for-profit organization), provides assessments for US school students, etc. • ACT (test), for college admission, US • Asian College of Technology, Cebu City, Philippines • Australian College of Theology • Aksorn Charoen Tat, Thai educational publishing company == Government and military ==

• AC Transit, a transit agency serving Alameda and Contra Costa Counties, California • Advanced Clean Trucks Regulation, a rule made by the California Air Resources Board which requires trucks to decarbonize • Advanced Concepts Team, a research team of the European Space Agency • Agency for Community Transit, a paratransit system for Madison County Transit, Illinois • Allied Command Transformation, a NATO strategic command • Azienda comunale del traffico, a former transport operator in Lugano, Switzerland • Puerto Rico Highways and Transportation Authority () ==Law==

• Act (document), a document recording the legality of a transaction or contract • Acting (law), someone temporarily exercising the powers of a vacant position • Act of parliament, Act of Congress, or Act of Tynwald, a statute or law passed by a legislature • Advance corporation tax, a tax collected in the UK until 1999 == Political parties and campaigning/advocacy groups ==

• ACT Alberta, a Canadian coalition to raise awareness about human trafficking • ACT Alliance, an alliance of churches for coordinating humanitarian assistance and development work • ACT-CIS Partylist, a political party in the Philippines • ACT for America, an advocacy group in the United States • Action for Children's Television, an organization dedicated to improvements in children's television • Act! (Italy), an Italian political party • ACT New Zealand, a political party in New Zealand • Alliance of Concerned Teachers, a political party in the Philippines • Agir (France) (French for "Act"), a political party in France • Alliance for Change and Transparency, a political party in Tanzania • Amazon Conservation Team, a non-profit organization that works to protect the Amazon rainforest • America Coming Together, a US political group == Professional organizations ==

• Academy of Clinical Thyroidologists, United States • Alliance of Concerned Teachers, Philippines • American College of Toxicology • Association for Citizenship Teaching, UK • Association of Cinematograph, Television and Allied Technicians, UK • Association of Corporate Treasurers, UK == Other organizations ==

• ACT, former name of Together for Short Lives, a children's charity in the United Kingdom • Addenbrooke's Charitable Trust, a UK charity • Anglican Church in Thailand • Association of Commercial Television in Europe, a group representing the business interests of commercial television in the EU • Australian Civic Trust, an Australian urban design organization ==Science, technology, and mathematics==

Computing • Act! LLC, a customer relationship management software • ACT (NASDAQ), Automated Confirmation of Transactions, a trade reporting and clearing system • ACT-R, a symbolic cognitive architecture • Apple Certified Trainer, one of the Apple certification programs Medicine • Acceptance and commitment therapy, a type of cognitive-behavioral therapy • Acetylcholine, (ACt/ACh) a neurotransmitter • Activated clotting time, a test of coagulation • Adoptive cell transfer, transfer of cells into a patient, usually immune system cells • Artemisinin based combination therapy, a treatment for malaria • Assertive community treatment, a system for treating mental illness Other uses in science, technology, and mathematics • ACT, a codon for the amino acid Threonine • ACT (audio format), a file format • Act or S-act, the action of a monoid on a set, or a semiautomaton • Astrographic Catalog/Tycho or Tycho-2 Catalogue • Atacama Cosmology Telescope, Chile • Ford ACT, a transit system == Sports ==

• American Canadian Tour, a stock car racing series • Australia national cricket team ==Other uses==

• ACT, the National Rail code for Ascot railway station, Berkshire, UK • Acting rank, temporary military rank • , in linguistics, glossing abbreviation for active voice • ACT mouthwash, produced by Chattem • ACT, the ISO 639-3 language code for Achterhooks, a Dutch dialect • Australian Capital Territory, the territory in which the Australian capital city of Canberra is seated • Courtney Act, Australian drag queen, singer, and television personality ==See also==