Act

Act, ACT, or The Act may refer to:

Arts and entertainment

Theatre and drama

• Acting, an activity in which a story is told by means of its enactment by an actor who adopts a character
• Act (drama), a major division or unit of drama, including plays, films, operas, ballets, or musicals
• A Contemporary Theatre (ACT), now Union Arts Center, in Seattle, Washington, US
• American Conservatory Theater, in San Francisco, California, US

Music

• Act (band), a British band
• ACT (Swedish band), a Swedish band
• The Act (band), a 1980s Norwegian rock band
• ACT Music, a German music label
• ACT (album), by Ben Wendel, Harish Raghavan, and Nate Wood, 2009
• Act (EP), by Kang Daniel, 2024
• Acts (album), by RNDM, 2012
• The Act (musical), 1977
• UnoTheActivist (Troy Vashon Donte Lane, born 1996), or The Act, American rapper

Film and television

• The Act (1989 film), a 1989 British television film by Richard Langridge
• The Act (TV series), a 2019 true crime TV series
• The Act (video game), 2007

Business and organizations

Businesses

• AdaCore, formerly Ada Core Technologies, Ada specialist software company
• Advanced Cell Technology, Inc, now Astellas Institute for Regenerative Medicine
• Advanced Computer Techniques, an American software company 1962–1994
• Applied Computer Techniques, later Apricot Computers
• Atria Convergence Technologies, a telecommunications company in India
• Aviation Composite Technology, an aircraft manufacturer in the Philippines

Education

• ACT (for-profit organization)
  • ACT (test), a standardized test used for college admissions in the United States.
• Asian College of Technology, Cebu City, Philippines
• Australian College of Theology, now Australian University of Theology

Political organizations

• Act (Brazil), a political party
• Act! (Italy), a political party
• ACT-CIS Partylist, a political organization in the Philippines
• ACT New Zealand, a political party
• Agir (France) (French, 'Act'), a political party
• Alliance for Change and Transparency, a political party in Tanzania
• Alliance of Concerned Teachers, a political organization in the Philippines
• America Coming Together, an American political action group

Professional organizations

• Academy of Clinical Thyroidologists, US
• American College of Toxicology
• Association for Citizenship Teaching, UK
• Association of Corporate Treasurers, UK

Other organizations

• ACT Alliance, an alliance of churches provide humanitarian aid
• ACT Alberta, a Canadian coalition to raise awareness about human trafficking
• ACT for America, an anti-Islam advocacy group in the US
• Action for Children's Television, an American advocacy group
• Addenbrooke's Charitable Trust, a British charity
• Advanced Concepts Team, a research team of the European Space Agency
• Allied Command Transformation, a NATO strategic command
• Amazon Conservation Team, a non-profit organization that works to protect the Amazon rainforest
• Anglican Church in Thailand
• Association for Children with Life-threatening and Terminal conditions (ACT), now Together for Short Lives, a British children's charity
• Association of Commercial Television in Europe
• Australian Civic Trust, an urban design organization

Law

• Act (document), an instrument that records a fact or something that has been said, done, or agreed
  • Notarial act
  • Act of parliament, passed by the legislative body of a jurisdiction
    • Act of Parliament (United Kingdom)
    • Act of Congress, United States
    • Act of Tynwald, Isle of Man
• Acting (law), temporarily exercising the powers of a vacant position
• Advance corporation tax, a tax collected in the UK until 1999

Science and technology

Computing

• Act! LLC, a customer relationship management software
• ACT (Nasdaq) (Automated Confirmation of Transactions), a system for reporting and clearing trades
• Apple Certified Trainer, one of the Apple certification programs

Medicine

• Acceptance and commitment therapy, a type of cognitive-behavioral therapy
• Activated clotting time, a test of coagulation
• Adoptive cell transfer, transfer of cells into a patient, usually immune system cells
• Artemisinin-based combination therapies (ACTs) for malaria
• Assertive community treatment, an approach for community mental health service delivery

Other uses in science and technology

• ACT (audio format)
• Act or S-act, a semigroup action in algebra and theoretical computer science
• Astrographic Catalog/Tycho or Tycho-2 Catalogue, an astronomical catalogue
• Atacama Cosmology Telescope, in Chile

Transportation

• Air ACT, a Turkish airline
• AC Transit, a bus transit operator in San Francisco Bay Area, US
• Agency for Community Transit Inc., operator of Madison County Transit services in the US
• Azienda comunale del traffico, a former transport operator in Lugano, Switzerland
• Puerto Rico Highways and Transportation Authority (Spanish: Autoridad de Carreteras y Transportación)
• Ford ACT, a 1970s people mover system
• Ascot railway station, Berkshire, England, station code ACT
• Waco Regional Airport, in Texas, US, IATA airport code ACT

Other uses

• ACT mouthwash, produced by Opella North America
• Achterhooks, a Dutch dialect, ISO 639-3 language code act
• American Canadian Tour, a stock car racing series
• Australian Capital Territory, an internal territory of Australia, containing the capital city Canberra
• Courtney Act, Australian drag queen and TV personality

See also

• AC-T (disambiguation)
• Behavior
• Acting rank, temporary military rank
• ACT-R, a symbolic cognitive architecture
• Association of Cinematograph, Television and Allied Technicians (ACCT), UK