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 3G/4GLTE 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
• 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
• Archival information system
• Artificial immune system, in artificial intelligence
• Artificial Intelligence System, a distributed computing project undertaken by Intelligence Realm, Inc.
• Automatic identification system, for tracking ships
• 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 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