| Abbreviation | Definition |
|---|---|
| ADRA | Adventist Development and Relief Agency |
| ADRA | Adventist Development Relief Agency |
| ADRA | Australian Drivers Rights Association |
| ADRDA | Alzheimer's Disease and Related Disorders Association |
| ADRDAI | Alzheimer's Disease and Related Disorders Association, Inc. |
| ADRF | Albanian Disability Rights Foundation |
| ADRF | Alcohol and Drug Recovery Fund |
| ADRF | Alzheimers Disease Research Fund |
| ADRF | Australian Dolphin Research Foundation |
| ADRF | Autoimmune Disease Research Foundation |
| ADS | Automatic Donation System |
| ADT | American Discovery Trail |
| ADT | Army Dependants Trust |
| ADT | Army Dependants’ Trust |
| ADTI | Alexis De Tocqueville Institution |
| ADTS | American Discovery Trail Society |
| ADUC | Assistance Dog United Campaign |
| ADVF | Arizona Disabled Veteran Foundation |
| ADWA | American Deer and Wildlife Alliance |
| ADWA | Asian Deaf Women's Association |