| AITT | Aboriginal in Trades Training 
| Others |
| AITT | Acadia Institute for Teaching and Technology
| Others |
| AITT | Access Institute of Technical Training
| Others |
| AITT | Airborne Instrument Technology Transition
| Others |
| AITT | Aiyana Institute of Talent Transformation
| Others |
| AITT | All India Trade Test
| Others |
| AITT | Arginine Insulin Tolerance Test
| Others |
| AITT | Asociatia Investitorilor Transport Targoviste
| Others |
| AITT | Association for International Travel and Tourism
| Others |
| AITT | Association of Industrial Truck Trainers
| Others |
| AITT | Augmented Immersive Team Trainer
| Others |
| AITT | Augmented Immersive Team Training
| Others |
| AITT | Australian Institute of Technical Training
| Others |
| AITT | Australian Institute of Technical Traning
| Others |
| AITT | Australian Institute of Technology and Trade
| Others |
| AITT | Australian Institute of Technology Transfer
| Others |
| AITT | Australian Institute of Trade and Technology
| Others |
| AITT | Australian Institute of Travel & Tourism
| Others |
| AITT | The Association of Industrial Truck Trainers
| Others |