Locations
* Austria (ISO 3166-1 country code) * Agongointo-Zoungoudo Underground Town, Benin * Aktio–Preveza Undersea Tunnel, Greece *Airstrip on Atauro Island, East Timor (IATA airport code)Organizations
* Arriva UK Trains * Association of University Teachers, a former British trade union * Aut Even Hospital, IrelandEducation
* Amirkabir University of Technology, Iran * Auckland University of Technology, New Zealand * Aristotle University of Thessaloniki, Greece * American University of Technology, Lebanon * Association of University Teachers a former trade union in the United KingdomComputing
*Advanced and application unit testing, test techniques in computer programming *Application under test, in software testing, the software that is to be tested (by other software) *'' Atlantis Underwater Tycoon'', a computer game *'' Autonomous Things'', technologies that bring autonomous computers into the physical environmentOther fields
*An automorphism group in mathematics *Automated ultrasonic testing, for pipeline construction girthwelds * Aeronautica Umbra Trojani AUT.18, an Italian fighter aircraft prototype of 1939 *Reporting mark for Autauga Northern Railroad *Reporting mark for Auto-Train Corporation {{disambiguation