SCA may refer to:

Biology and health

  • Sickle cell disease, also known as sickle cell anaemia
  • Spinocerebellar ataxia, a neurological condition
  • Statistical coupling analysis, a method to identify covarying pairs of amino acids in protein multiple sequence alignments
  • Sudden cardiac arrest, a condition in which the heart suddenly stops beating, leading to sudden cardiac death
  • Superior cerebellar artery, a major blood supplier to the cerebellum

Commercial entities

  • Sebastian Conran Associates, a British product and brand development consultancy
  • Sony Corporation of America, holding company for Sony's American companies
  • Southern Cross Austereo, an Australian media company
  • Supercheap Auto, an Australian automotive parts and accessories retailer
  • SCA (company) (Svenska Cellulosa Aktiebolaget), a Swedish hygiene products and paper manufacturer

Computing

  • SCA (computer virus), an Amiga virus referencing the Swiss Cracking Association
  • Service Component Architecture
  • Side-channel attack, in cryptography
  • Single Connector Attachment or Single Connection Attach, an 80-pin SCSI storage interface
  • Software Communications Architecture, in Software-Defined Radio (SDR)
  • Static code analysis
  • Strong customer authentication
  • Software Composition Analysis

Locations

  • Seoul Capital Area, Korea
  • Singapore Changi Airport
  • South and Central America, a country grouping
  • Southern Control Area, a Canadian airspace designation
  • Soviet Central Asia
  • Space Centre Australia

Organizations

  • Bureau of South and Central Asian Affairs, in the U.S. Department of State
  • Sabah Chinese Association
  • Sarawak Chinese Association
  • Schuylkill Canal Association, an organization that maintains a section of historical canal in Pennsylvania
  • Scottish Canoe Association, the national governing body for paddlesports in Scotland
  • Screen Composers of America, an organization co-founded by Jeff Alexander
  • Secular Coalition for America
  • Securities and Commodities Authority, a former name of the federal financial regulatory agency in the United Arab Emirates
  • Sexual Compulsives Anonymous
  • Société en commandite par actions, a type of corporation in France
  • Society for Creative Anachronism, an international living history group
  • SCA armoured combat, a combat sport developed by the above organization
  • Society for Cultural Anthropology, a professional association for cultural anthropologists
  • Student Catholic Action, a religious student organization in the Philippines
  • Student Conservation Association, a non-profit conservation service organization in the United States
  • Suez Canal Authority, a state-owned authority which owns and maintains the Suez Canal
  • Supreme Council of Antiquities, the Egyptian antiquities service
  • Supreme Court of Albania, the court of last resort in the Republic of Albania
  • Swedish Committee for Afghanistan
  • Swiss Cricket Association
  • Sydney Catchment Authority
  • Sydney College of the Arts

Other

  • McNamara–O'Hara Service Contract Act
  • Senate Constitutional Amendment, the formal name for a type of California ballot proposition
  • Shuttle Carrier Aircraft, two Boeing 747 aircraft modified to transport the Space Shuttle
  • Small craft advisory
  • Solar collector array, a type of solar thermal collector
  • Spectrum continuation analysis
  • Stored Communications Act, Title II of the US Electronic Communications Privacy Act of 1986
  • Subsidiary communications authority, the Federal Communications Commission's name for subcarrier channels transmitted on a broadcast FM station
  • Sustainable competitive advantage, a business advantage that is preserved over long term
  • USC School of Cinematic Arts, University of Southern California, United States