IAT

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 Japanese television station
 * International Air Tattoo, the former name of a British air show