| Abbreviation | Definition |
|---|---|
| ITBA | Indiana Traditional Bowhunters Association |
| ITBA | Indo Turkish Business Association |
| ITBA | Irish Thoroughbred Breeders' Association |
| ITCSA | Indian Telugu Civil Servants Association |
| ITEMA | Tribal Emergency Management Association |
| ITFMA | Information Technology Financial Management Association |
| ITFMA | Irish Timber Frame Manufacturers Association |
| ITGA | International Tobacco Growers' Association |
| ITGA | International Town Gown Association |
| ITGA | Irish Timber Growers Association |
| ITIA | International Tungsten Industry Association |
| ITIA | Iranian Translators Interpreters Association |
| ITIA | Irish Translators and Interpreters Association |
| ITIA | Irish Translators' and Interpreters' Association |
| ITIA | Irish Tyre Industry Association |
| ITK | Inuit Tapiriit Kanatami |
| ITMA | Information Technology Management for Association |
| ITMA | Intelligent Terminal Memory Association |
| ITMA | International Tea Masters Association |
| ITMA | International Textile Machinery Association |