# CSA

CSA may refer to:

## Arts and media

* Canadian Screen Awards, annual awards given by the Academy of Canadian Cinema & Television
* Commission on Superhuman Activities, a fictional American government agency in Marvel Comics
* Crime Syndicate of America, DC Comics supervillains
* C.S.A.: The Confederate States of America, 2004 alternative history mockumentary

## Educational institutes

* Crescent School of Architecture, one of the constituent professional schools of B.S. Abdur Rahman Crescent Institute of Science and Technology, Tamil Nadu, India

## Law

* Combined statistical area, defined by the U.S. Office of Management and Budget
* Commission sharing agreement, in financial services
* Controlled Substances Act, in U.S. drug policy
* Credit Support Annex, a legal document regulating collateral for derivative transactions

## Organizations
### For-profit businesses

* CSA (database company) (formerly Cambridge Scientific Abstracts)
* Connectivity Standards Alliance (formerly Zigbee Alliance)
* Czech Airlines (ICAO designator CSA; abbreviated ČSA)
* Czech Sport Aircraft, an aircraft manufacturer

### Government and military

* Canadian Securities Administrators, an organization of provincial and territorial securities regulators
* Canadian Space Agency, the national space agency of Canada
* Central Statistical Agency of Ethiopia
* Chief of Staff of the United States Army
* Civil Services Academy Lahore, Pakistan
* Compatriots of South Africa, a South African political party
* Compliance, Safety, and Accountability, an American commercial vehicle driver safety program; see Federal Motor Carrier Safety Administration
* Confederate States of America, a break-away republic in North America that lasted from 1861 to 1865
** Confederate States Army
* Conseil supérieur de l'audiovisuel, a French broadcast content monitoring agency
* CSA Group (formerly the Canadian Standards Association, or CSA), a standards organization based in Canada
* CSA - Northern Ireland Child Support Agency
* Cyber Security Agency (Singapore)

### Professional and trade organizations and unions

* Autonomous Trade Unions Centre (Central des Syndicats Autonomes du Bénin), a trade union centre in Benin
* California Society of Anesthesiologists
* CarSharing Association, a federation of carsharing organizations
* Casting Society of America, acronym commonly seen in the beginning and ending credits of media programs
* Central Student Association, University of Guelph, Ontario, Canada
* Civil Service Alliance, former British trade union federation
* Civil Service Association, Trinidad and Tobago
* Chemical Abstracts Service, a division of the American Chemical Society
* Cloud Security Alliance, which promotes IT security best practices
* College Student Alliance, a federation of student unions, based in Ontario, Canada
* Council of School Supervisors & Administrators, a New York City-based trade union
* Czech Society of Actuaries

### Sport

* Canadian Soccer Association, the governing body of soccer in Canada
* Cano Sport Academy, a football club in Equatorial Guinea
* Centro Sportivo Alagoano, a football club, Maceió, Alagoas, Brazil
* Cricket South Africa

### Other organizations

* Campaign for a Scottish Assembly, an association of Scottish political parties and civic groups established in 1989
* Canadian Snowbird Association, for travelling Canadians
* Celiac Sprue Association, a disease support group in the United States
* Certified Senders Alliance, a German whitelist for bulk email senders
* Child Support Agency (UK)
* Child Support Agency (Australia)
* City School of Architecture, an architecture school in Colombo, Sri Lanka
* Colegio San Agustin (disambiguation), several Catholic schools
* The Covenant, The Sword, and the Arm of the Lord, a 1970s-1980s white supremacist group in Arkansas, United States

## Science, mathematics, and technology
### Mathematics and computing

* Cartan subalgebra
* Central simple algebra
* Client SMTP Authorization
* Common Scrambling Algorithm
* Intel Communication Streaming Architecture
* Curved Surface Area
* Cross sectional area

### Medicine and psychology

* Cationic steroid antibiotics, a family of compounds used to treat diseases
* Central sleep apnea, a sleep disorder
* CernySmith Assessment, a psychological stress questionnaire
* Clinical Skills Assessment exam
* Cockayne syndrome A or ERCC8, a gene whose mutation causes Cockayne syndrome
* Cognitive styles analysis, a computerized measure of cognitive styles
* Cyclosporin A, an immunosuppressant drug

### Other uses in science, mathematics, and technology

* Camphorsulfonic acid
* Cardioid subwoofer array
* Common Support Aircraft
* Köppen classification of hot-summer Mediterranean climate, abbreviated Csa
* Chemical Safety Assessment
* Carry-save adder or Carry-skip adder, two different types of adders
* Chief Scientific Adviser (disambiguation)
* CSA keyboard layout, keyboard layout used in Canada
* Complex segregation analysis, a technique within genetic epidemiology

## Other uses

* Chelsea railway station, Melbourne
* Chief Scout's Award (disambiguation)
* Child sexual abuse
* Community-supported agriculture, an alternative socioeconomic model of agriculture and food distribution
* Competition Stableford Adjustment, a golf scoring adjustment for handicapping purposes
* Corporate sociopolitical activism, a firm's public demonstration of support or opposition to a partisan sociopolitical issue
* Customer Service Advisor, a job title