| Acronym | Definition |
|---|
| ITDA➣International Theatre Design Archive |
| ITDA➣International Technical Diving Agency (est. 1999) |
| ITDA➣Illinois Technology Development Alliance (Chicago, IL) |
| ITDA➣International Technical Diving Association (Spain) |
| ITDA➣Independent Truckers and Drivers Association |
| ITDA➣Integrated Tactical Decision Aid |