CAS, CaS, or cas may refer to:

Arts and entertainment

Music

  • Calling All Stations, the fifteenth and final studio album by Genesis
  • CAS (album), a 2018 album by Lúnasa, an Irish Celtic band
  • Cigarettes After Sex, an American dream pop band

Other arts and entertainment

  • ', a Czech magazine associated with Tomáš Garrigue Masaryk founded in 1886
  • Classic Arts Showcase, an American television channel promoting the fine arts
  • Cowboy action shooting, a competitive shooting sport

Computing

  • CAS latency (column address strobe or column address select), a latency in reading computer memory
  • Central Authentication Service, a single sign-on protocol
  • Cloud Analytic Services, a server that provides the cloud-based, run-time environment for data management and analytics with SAS (software)
  • Code Access Security in the Microsoft .NET framework
  • Compare-and-swap, a special CPU instruction, an atomic instruction used in multithreading to achieve synchronization
  • Computer algebra system, a software program that facilitates symbolic mathematics
  • Conditional access system, a technology used in set-top boxes to allow conditional viewing of TV channels
  • Content-addressable storage, a data storage mechanism
  • Copyright Alert System, a former voluntary code
  • Cycle-accurate simulator, a computer program that simulates a microarchitecture in a cycle-accurate manner

Military

  • Chief of the Air Staff (disambiguation), the professional head of the air force in some Commonwealth nations
  • Close air support, a military tactic whereby aircraft are utilized to support friendly forces
  • Combat armor suit, a specialized suit that provides powered armor
  • Cost Accounting Standards, accounting requirements for larger defense and government contractors (United States)

People

  • Cas (name), a list of people and fictional characters with the given name, nickname, or surname
  • Cas (people), an ancient people near the Caspian Sea

Organisations

  • California Academy of Sciences, a major natural history museum and center for scientific research
  • Casablanca American School, a school in Casablanca, Morocco
  • Casualty Actuarial Society, an professional society of actuaries in the United States
  • , Czech Athletics Federation, the sports governing body in the Czech Republic
  • Chemical Abstracts Service, a division of the American Chemical Society
  • Children's Aid Society, a private charity in New York, US
  • Children's Aid Society (Ontario), a Canadian government organization
  • Chinese Academy of Sciences, the national academy for the natural sciences of China
  • Christchurch Adventist School, a Seventh-day Adventist school in New Zealand
  • Cinema Audio Society, an association of sound professionals in the motion picture and television industry
  • Citizens Advice Scotland, the umbrella organisation for Citizens Advice Bureaux in Scotland
  • Civil Aid Service, a Hong Kong Civil Aid agency
  • College of Arts and Sciences, name for various educational institutions
  • Combined Associated Schools, an association of private schools in Sydney, Australia
  • , Socialist Action Committee, a French Resistance network
  • Connecticut Association of Schools, the governing body for secondary school sports competitions in Connecticut, US
  • Contemporary Art Society, England, UK<!---specifically England - there is one in Wales too--->
  • Contemporary Art Society (Australia)
  • Contemporary Art Centre of South Australia
  • Contemporary Arts Society, Canada
  • Council for the Advancement of Standards in Higher Education, a consortium of professional student development organizations in higher education
  • Court of Arbitration for Sport, an international arbitration body set up to settle disputes related to sports
  • Czech Academy of Sciences, a research association in the Czech Republic

Science and medicine

  • Calcium sulfide (CaS), a chemical compound
  • Carotid artery stenting, endovascular surgery of the carotid artery
  • Cas (mathematics), also known as the cosine and sine (cas) function (or Hartley kernel)
  • Cas guava (Psidium friedrichsthalianum), a Costa Rican guava species
  • CAS parameters, an image analysis method typically used in astronomy
  • Cassiopeia (constellation) (Cas), standard astronomical abbreviation
  • Cells Alive System, a line of commercial freezers sold by Japanese ABI Corporation
  • Chemical Abstracts Service, a division of the American Chemical Society which produces bibliographic and chemistry databases
  • CAS Registry Number, unique numerical identifiers for chemical substances
  • Childhood apraxia of speech, a developmental speech disorder
  • Cis-abienol synthase, an enzyme
  • Cognitive Assessment System, an academic assessment test given to children
  • Complex adaptive system, special cases of complex systems
  • Computer Aided Surgery (journal)
  • Computer-assisted surgery, the use of computer technology in surgery
  • CRISPR-associated (Cas) proteins, involved in the prokaryotic immune system and genome editing
  • Critical animal studies, an interdisciplinary field in the humanities and social sciences
  • Critical autism studies, an interdisciplinary research field led by autistic people

Transport

Aerospace

  • Calibrated airspeed, the airspeed shown by an airspeed indicator
  • Casablanca–Anfa Airport (IATA code)
  • Covenant Aviation Security, LLC, a company that provides security services to the aviation industry
  • Crew-alerting system, the cockpit computer that issues system warnings to pilots

Rail

  • Castleton railway station, Manchester, England (National Rail station code)
  • Chicago, Attica and Southern Railroad, a former line in the American states of Indiana and Illinois

Other uses

  • Čas, the former official daily newspaper of the Democratic Party of Slovakia
  • Caș, a type of cheese made in Romania
  • Cas Cay, an island in St. Thomas, United States Virgin Islands
  • Certificate of Advanced Study, a postgraduate certificate
  • Channel-associated signaling, in telecommunications
  • Clark Ashton Smith (1893–1961), American author and artist
  • Collision avoidance system, an automobile safety system
  • Controlled atmosphere stunning, a method for slaughtering animals
  • County Antrim Shield, a football tournament in Northern Ireland
  • Creativity, activity, service, the community service aspect of the International Baccalaureate Diploma Programme

See also

  • CASE (disambiguation)