SAR

SAR or Sar may refer to:

Places

 * Sar (river), Galicia, Spain
 * Sar, Bahrain, a residential district
 * Sar, Iran (disambiguation), several places in Iran
 * Sar, Tibet, Tibet Autonomous Region of China
 * Šar Mountains, in southeastern Europe
 * Syrian Arab Republic, sometimes abbreviated as SAR
 * Special administrative regions of China

Business and finance

 * Parabolic SAR (stop and reverse), a method of technical stock analysis
 * Saudi riyal, currency code SAR
 * Stock appreciation right, an employee reward

Computing

 * Segmentation and reassembly, in data networks
 * Service Archive or SAR, a file format related to JAR
 * Shift Arithmetically Right (SAR), an x86 instruction
 * Storage Aspect Ratio of a digital image
 * sar (Unix), or system activity report, a Unix/Linux performance report utility

Law enforcement

 * Search and rescue
 * Nationwide Suspicious Activity Reporting Initiative, US
 * Suspicious activity report, by a financial institution to an authority

Medicine, psychology, and biology

 * Scaffold/matrix attachment region or scaffold-attachment region, DNA sequences
 * Sexual Attitude Reassessment
 * Specific absorption rate, of RF energy by the human body
 * SAR supergroup, a clade within eukaryotes
 * Structure–activity relationship, of biological effect of a molecule
 * Systemic acquired resistance, of a plant to a pathogen

Science and technology

 * Sar (astronomy), 9 years 5 days, a period separating eclipses
 * SAR 21, Singapore Assault Rifle – 21st century
 * SAR-87 (Sterling SAR-87), 1980s military assault rifle
 * Sodium adsorption ratio, an irrigation water quality parameter
 * Spent Acid Regeneration of sulfuric acid
 * Submarine Advanced Reactor program of USS Triton
 * Successive Approximation Register of a successive-approximation ADC
 * Synthetic-aperture radar, imaging radar
 * IPCC Second Assessment Report
 * Semi-automatic rifle

Organizations

 * SAR Academy, yeshiva in Riverdale, New York, US
 * SAR High School, the high school of SAR Academy
 * SAR Records, an American record label
 * Scholars at Risk, a network supporting academic freedom
 * School for Advanced Research in anthropology and related fields, Santa Fe, New Mexico, US
 * Sigma Alpha Rho, a high school fraternity, Philadelphia, Pennsylvania, US
 * Society for Artistic Research
 * Sons of the American Revolution, US organisation

Railways

 * Saudi Arabia Railways, national railway company of Saudi Arabia
 * Savage Alberta Railway, Alberta, Canada, reporting mark
 * South Australian Railways, 1854–1978
 * South African Railways, now part of Transnet Freight Rail

Military

 * Sandfontein Artillery Regiment, an artillery regiment of the South African Army
 * State Artillery Regiment, an artillery regiment of the South African Army

Other uses

 * Sar (surname)
 * Sar, an uthra (angel) in Mandaeism
 * Sar language, a Bongo–Bagirmi language of southern Chad
 * Sample of Anonymised Records, based on the UK population census
 * Special administrative region, territorial entity designation
 * Student Aid Report, sent to applicants of U.S. federal financial aid for college
 * Subject access request, in data protection law
 * Super Animal Royale, a 2021 video game developed by Pixile Studios