AIS

AIS may refer to:

Medicine

 * Abbreviated Injury Scale, an anatomical-based coding system to classify and describe the severity of injuries
 * Acute ischemic stroke, the thromboembolic type of stroke
 * Androgen insensitivity syndrome, an intersex condition in which there is an inability of many cells in the affected genetic male to respond to androgenic hormones
 * Athens Insomnia Scale, used to measure severity of insomnia

Organizations and companies

 * Advanced Info Service, Thai mobile phone operator
 * Akademio Internacia de la Sciencoj San Marino (International Academy of Sciences San Marino), a scientific association
 * AIS Airlines, Dutch airline
 * Armée islamique du salut, military wing of the Islamic Salvation Front, a former political party in Algeria
 * Asahi India Glass Limited, Indian manufacturing company
 * Association for Information Systems, an international professional organization
 * Australian Information Service, historical Australian government agency (1973–1986)
 * Australian Institute of Sport, a division of the Australian Sports Commission
 * Australian Iron & Steel
 * Aviatsionnaya Ispitatelnaya Stantsiya, Russian World War I naval aviation station and aircraft company

Schools

 * Abu Dhabi International School in Abu Dhabi, United Arab Emirates
 * Agnes Irwin School in Pennsylvania, U.S.
 * American International School (disambiguation), several schools, some known as AIS
 * Antonine International School, in Ajaltoun, Lebanon
 * Antwerp International School, in Antwerp, Belgium
 * Atlanta International School, Georgia, U.S.
 * Australian International School (disambiguation), several schools, some known as AIS
 * Almaty International School in Almaty, Kazakhstan

Software and technology

 * Accounting information system, a system of collecting, storing and processing financial and accounting data
 * Aeronautical Information Service, distributor of air navigation information
 * Automatic identification system, for tracking marine vessels
 * Alarm indication signal in a telecommunications system
 * Alarm indication signal line (AIS-L)
 * Alarm indication signal path (AIS-P)
 * Alternate Instruction Set, a second processor mode in Centaur/VIA C3 x86 CPUs
 * Application Interface Specification, for high-availability application software
 * Artificial immune system, in artificial intelligence
 * AI safety, a field concerned with preventing harmful consequences that could result from artificial intelligence
 * Artificial Intelligence System, a distributed computing project undertaken by Intelligence Realm, Inc.
 * Automotive Industry Standards, vehicle technical specifications of India
 * Automated information system, an assembly of computer hardware, software, firmware, or any combination of these, configured to accomplish specific information-handling operations

Others

 * AIS, IATA code for Arorae Island Airport, Kiribati
 * Ais, Etruscan word meaning 'god'
 * Ais people, a Native American tribe living on the Atlantic coast of Florida, U.S.
 * Ais, an alternate spelling of Eyeish, a native American tribe in Texas, U.S.
 * American Indycar Series (1988–2005), a former American auto racing series