| Acronym | Definition |
|---|
| ADTA | Abu Dhabi Tourism Authority |
| ADTA | Avoidance of Double Taxation Agreements (various locations) |
| ADTA | American Dance Therapy Association |
| ADTA | Access Data Transfer Assistant |
| ADTA | Association of Defense Trial Attorneys |
| ADTA | American Dental Trade Association |
| ADTA | Advisory Technical Assistance |
| ADTA | Abbotsford District Teachers' Association (Canada) |
| ADTA | Australian Driver Trainers Association |
| ADTA | Air Data Transducer Assembly |
| ADTA | Australian Dental Therapists Association |
| ADTA | Advance Deposit Trust Account |
| ADTA | Analog Design and Test Automation |
| ADTA | Adopted Dog Training Association |
| ADTA | Adelanto District Teachers Association |
| ADTA | Aviation Development Test Activity |
| ADTA | Aircraft Development Test Activity |
| ADTA | Aegis Directed Tracking Antenna |
| ADTA | Advanced DRAM Technology Alliance |
| ADTA | Armed Defense Training Association (Washington) |
| ADTA | Aneurysms of the Descending Thoracic Aorta |
| ADTA | Advance Design Truck Association |
| ADTA | Air Defence Technology Asia (conference) |
| ADTA | Atascadero District Teachers Association (California) |
| ADTA | Advance Diploma in Tourism Administration |