CSA

Businesses and organizations

Businesses

• Connectivity Standards Alliance, formerly known as the Zigbee Alliance
• Cambridge Scientific Abstracts, a provider of online databases
• CSA Mine, Cobar, New South Wales, Australia

Education

• Central Student Association, the University of Guelph, Ontario, Canada
• Civil Services Academy Lahore, Pakistan
• Colegio San Agustin (disambiguation), several Catholic schools
• College Student Alliance, a provincial advocacy organization in Ontario, Canada
• Crescent School of Architecture, Tamil Nadu, India

Governmental and political organizations

• CSA Group, formerly known as the Canadian Standards Association
• Campaign for a Scottish Assembly, an association of Scottish political parties and civic groups established in 1989
• 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
• Child Support Agency, United Kingdom
• Child Support Agency (Australia)
• Northern Ireland Child Support Agency
• Compatriots of South Africa, a South African political party
• Compliance, Safety, and Accountability, an American driver safety program of the Federal Motor Carrier Safety Administration
• Confederate States of America, an unrecognized breakaway republic 1861–1865
• Conseil supérieur de l'audiovisuel, a French broadcast content monitoring agency
• Conservation South Africa, the South African affiliate of Conservation International
• The Covenant, the Sword, and the Arm of the Lord, a 1970s-1980s American far-right anti-government militia
• Cyber Security Agency, Singapore

Professional and trade organizations

• Autonomous Trade Unions Centre (Central des Syndicats Autonomes), in Benin
• California Society of Anesthesiologists, United States
• CarSharing Association, a federation of carsharing organizations
• Casting Society of America, a professional association of casting directors
• Civil Service Alliance, a former British trade union federation
• Civil Service Association, in Trinidad and Tobago
• Chemical Abstracts Service, a division of the American Chemical Society
• Cloud Security Alliance, promoting cloud computing security
• Council of School Supervisors & Administrators, a New York City-based trade union
• Czech Society of Actuaries

Other organizations

• 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
• Chinese Islamic Association

Science and technology

Mathematics and computing

• Cartan subalgebra
• Central simple algebra
• Client SMTP Authorization
• Common Scrambling Algorithm
• Intel Communication Streaming Architecture

Medicine and psychology

• Cationic steroid antibiotics, or ceragenins
• Central sleep apnea, a sleep disorder
• CernySmith Assessment, a psychological stress questionnaire
• Clinical Skills Assessment, now USMLE Step 2 Clinical Skills
• Cockayne syndrome A or ERCC8, a gene whose mutation causes Cockayne syndrome
• Cognitive styles analysis, a computerized measure of cognitive styles
• Ciclosporin A (CsA), an immunosuppressant drug

Other uses in science and technology

• Csa, the Köppen classification of hot-summer Mediterranean climate
• CSA keyboard, the keyboard layout used in Canada
• Camphorsulfonic acid
• Cardioid subwoofer array
• Carry-save adder or Carry-skip adder, digital circuits
• Chemical safety assessment
• Chief Scientific Adviser (disambiguation), several uses
• Complex segregation analysis, in genetic epidemiology
• Chemical Shift Anisotropy, the orientation dependence of chemical shift

Sports

• 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 in Brazil
• Competition Stableford Adjustment, a golf scoring adjustment
• Cricket South Africa, the governing body of cricket in South Africa

Transportation

• Czech Airlines, abbreviated as ČSA (ICAO airline code: CSA)
• Czech Sport Aircraft, an aircraft manufacturer
• Common Support Aircraft, a former U.S. Navy concept

Other uses

• Child sexual abuse, a form of child abuse
• Commission sharing agreement, in financial services
• Corporate sociopolitical activism, a firm's public demonstration of support or opposition
• Community-supported agriculture, an alternative socioeconomic model of agriculture and food distribution
• Combined statistical area, defined by the U.S. Office of Management and Budget
• Confederate States of America, an unrecognized state in North America (1861–1865)
• Confederate States Army, the land warfare force of the Confederate States
• Controlled Substances Act, a United States drug-regulating law
• Credit Support Annex, a legal document regulating collateral for derivative transactions
• Chiltepec Chinantec language, an ISO 639-3 code