| Abbreviation | Definition |
|---|---|
| ADRDE | Aerial Delivery Research and Development Establishment |
| ADRDE | Aerial Delivery Research Development Establishment |
| ADRDE | Air Defence Research and Development Establishment |
| ADRESS | Alternative Dispute Resolution Evaluation Support System |
| ADRF | Adventitium Derived Relaxing Factor |
| ADRG | Analysis Data Reviewers Guide |
| ADRG | Arc Digital Raster Graphics |
| ADRI | Angaktan Darat Republic Indonesia |
| ADRI | Australasian Digital Recordkeeping Initiative |
| ADRL | Automatic Distribution Requirement List |
| ADRM | Additional Divisional Railway Manager |
| ADRO | Alternative Dispute Resolution Office |
| ADRO | ASEAN Disaster Resilience Outlook |
| ADROP | Augustinian Defenders of the Rights of the Poor |
| ADRRF | Adverse Donor Reaction Reporting Form |
| ADRS | Addictive Disorders and Recovery Studies |
| ADRS | ADMIRALTY Digital Radio Signals |
| ADRS | Alabama Department of Rehabilitation Services |
| ADRS | Alcoholism Denial Rating Scale |
| ADRS | Alternative Dispute Resolution Service |