| Acronym | Definition |
|---|
| AUT | Auckland University of Technology |
| AUT | Austria |
| AUT | Autumn |
| AUT | Authentication |
| AUT | Association of University Teachers |
| AUT | Autism |
| AUT | Automotive Technology |
| AUT | Automorphism (mathematics) |
| AUT | Autoroute (Canada Post road designation) |
| AUT | Architektur und Tirol (German: Achitecture and Tyrol; Tyrol, Austria) |
| AUT | Amirkabir University of Technology (Tehran, Iran) |
| AUT | Anhui University of Technology (China) |
| AUT | Automatic Control |
| AUT | Application Under Test |
| AUT | Autorisation d'Usage à des Fins Thérapeutiques (French: Authorization of Use for Therapeutic Purposes; World Anti-Doping Agency) |
| AUT | Antenna Under Test |
| AUT | Action Unreal Tournament |
| AUT | Association des Usagers des Transports (French: Transport Users Association) |
| AUT | Authorised Unit Trust (UK) |
| AUT | Advanced Unit Training |
| AUT | Abrams Upgrade Tank |
| AUT | Auxiliary Aircraft Landing Training Ship |
| AUT | Automated Ultrasonic Test |