Iat is a minor ancient Egyptian goddess.
The abbreviation IAT may refer to: Organisations Immigration Appeal Tribunal Indonesia Air Transport, an Indonesian airline Institut aérotechnique, a French research Institute in aerodynamics Institute for Affordable Transportation, an American organization Institute of Armament Technology, now the Defence Institute of Advanced Technology, an Indian defense institution International Association of Trichologists Institute of Agricultural Technology, the former name of Kelappaji College of Agricultural Engineering and Technology
Science and technology Implicit-association test, a measure within social psychology Import Address Table, in computer programming Indicated air temperature Indirect antiglobulin test, a clinical blood test Information access technology Intake air temperature International Atomic Time Information Assurance Technical, a category for Certified Information Systems Security Professional
Other uses Indigenous Aryan Theory International ACH Transaction, a code used by the Automated Clearing House International Appalachian Trail, a hiking trail in the United States IISER Aptitude Test, an annual academic examination in India Iwate Asahi Television, a television station in Iwate Prefecture, Japan International Air Tattoo, the former name of a British air show