ASR

• A US Navy hull classification symbol: Submarine rescue vessel (ASR) • U.S. Army Service Ribbon ==Organizations and publications==

• ASR Nederland, a Dutch insurance company • Academy at Swift River • Erkilet International Airport, Turkey, IATA code • Anderson Serangoon Junior College, pre-university institution in Singapore ==Science==

• Ancestral sequence reconstruction, to infer ancient DNA sequences • Acute stress reaction to traumatic event • Adult sex ratio of males to females • Alkali–silica reaction, affecting sensitive aggregates and causing concrete expansion and failure • Analyte-specific reagent, a class of biological molecules • Asian soybean rust, a plant disease • Age-Standardized Rates of a phenomenon in a series of populations. • Audio sampling rate ==Technology==

• Automatic speech recognition • Automotive shredder residue, of shredded automobiles • Aquifer storage and recovery, of potable water in an aquifer • Airport surveillance radar • Asr (radar), an Iranian radar system • Arithmetic shift right, a computer instruction • Answer-seizure ratio, the percentage of telephone calls that are answered • Traction control system, from German Antriebsschlupfregelung (Acceleration Slip Regulation), system to prevent loss of traction on vehicles • Automatic Send Receive on a teletype • Teletype ASR 33, a specific model teletype, commonly used for early day minicomputers • Architecturally Significant Requirements Software • Apple Software Restore, a command line utility in Mac OS X • Automated system recovery, a Microsoft Windows XP function ==Transport==

• Air-sea rescue • State Railway of Thailand ASR class • Australian Southern Railroad, a former rail freight operator ==Other uses==

• Asr, the daily afternoon prayer in Islam • Accelerated share repurchase, whereby companies buy back shares • ASMR (autonomous sensory meridian response), a tingling sensation