| Abbreviation | Definition |
|---|---|
| AITA | Albanian Information Technology Association |
| AITA | Algerian Information Technology Association |
| AITA | Australian Industrial Truck Association |
| AITBA | All India Tamang Buddhist Association |
| AITES | Association Internationale des Travaux En Souterrain |
| AITF | Association of Indian Teachers of French |
| AITIA | Asian International Trade and Investment Association |
| AITJ | Association of Indiana Teachers of Japanese |
| AITMA | All India Transformer manufacturers Association |
| AITMA | Association Institute of Thai Martial Arts |
| AITO | Association of Independent Tour Operators |
| AITP | Association of Information Technology Professionals |
| AITT | Association for International Travel and Tourism |
| AITT | Association of Industrial Truck Trainers |
| AIVF | Association Internationale Via Francigena |
| AIVP | Association Internationale Villes Ports |
| AIW | Association of International Women |
| AIWA | American Indian Warriors Association |
| AIWA | Armenian International Womens Association |
| AIWA | Atlantic Intracoastal Waterway Association |