AIA or A.I.A. or Aia may refer to: Aia Aia, a small town in the Basque province of Gipuzkoa, Spain Aia, current Kutaisi, ancient capital of Colchis Aia, another name for Aea (Malis), an ancient town in Greece Aia, the collected edition of E. C. Vivian's 1920s novels Fields of Sleep and People of the Darkness Saint Aia (died c. 711), Belgian Catholic saint also known as Aye Academia Abstract Intelligent Agent, a generalization and a hypothetical essence of human intelligence Archaeological Institute of America Arizona Interscholastic Association Art Institute of Atlanta, a private fine-art college Association for Industrial Archaeology, a body supporting the archaeology of industry in Britain Artists' International Association Statutes and treaties Access to Information Act, a Canadian freedom of information act Leahy-Smith America Invents Act Anglo-Irish Agreement, a 1985 agreement between the governments of Ireland and the UK, aimed at bringing an end to The Troubles Anti-Injunction Act, a US federal law Aerospace Aerospace Industries Association American International Airways, now known as Kalitta Air Avies, an Estonian airline (ICAO code: AIA) Airports Adelaide International Airport Alliance Municipal Airport in Alliance, Nebraska (IATA Code: AIA) Asuncion International Airport, in Luque, Asuncion, Paraguay Athens International Airport, serving Athens, the Greek capital Auckland Airport in Auckland, New Zealand Sport and entertainment Aliens in America, an American comedy TV show Arizona Interscholastic Association, an Arizona high school athletics association Asociación Iberoamericana de Atletismo, the governing body for the sport of athletics of European, Latin-American, and African countries with Iberian origin and/or Spanish or Portuguese language Athletes in Action, an evangelical sports ministry Autódromo Internacional do Algarve, a motor-racing track in Portugal Business American Insurance Association AIA Group, a Hong Kong insurance and finance corporation Amerindo Investment Advisors, a financial-services company Annual investment allowance, a type of capital allowance in accounting Technology and engineering Application Integration Architecture, an integration framework marketed by Oracle Corporation Atmospheric Imaging Assembly, an instrument that provides imaging of the Sun's corona on the Solar Dynamics Observatory Automated Imaging Association Authority Information Access Professional bodies and qualifications Alliance of Independent Authors American Institute of Architects Associate of the Institute of Actuaries Association of International Accountants Australian Institute of Architects Afghan Interim Administration Other Anguilla, from its ISO 3-letter country code Air Intelligence Agency, the former name of the Air Force Intelligence, Surveillance and Reconnaissance Agency of the United States