| AITR | Academy of Information Technology and Robotics 
| Others |
| AITR | Acropolis Institute of Technology and Research
| Others |
| AITR | activation inducible TNF receptor
| Others |
| AITR | Activation- Inducible TNFR family member
| Others |
| AITR | Acura Integra Type R
| Others |
| AITR | Adult In The Room
| Others |
| AITR | Agency Information Technology Resource
| Others |
| AITR | Aided Target Recognition
| Others |
| AITR | All Islands Timeshare Resales
| Others |
| AITR | America instigates the rapture
| Others |
| AITR | Annual Income Tax Return
| Others |
| AITR | Arabian International Tire Retreaders
| Others |
| AITR | Army Information Technology Registry
| Others |
| AITR | Artificial Intelligence Laboratory Technical Report
| Others |
| AITR | Associazione Italiana Turismo Responsabile
| Others |
| AITR | Autism Intervention and Treatment Research
| Others |
| AITR | Automated Information Technology Register
| Others |
| AITR | l'Associazione Italiana Turismo Responsabile
| Others |