Act, ACT, or The Act may refer to:

Arts and entertainment

  • 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<!--OK 2nd link-->, or Act of Tynwald<!--OK 2nd link-->, 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<!--OK 2nd link-->

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

  • AC-T (disambiguation)
  • Behavior