| ADRA | Addictive Disorder Regulatory Authority 
| Others |
| ADRA | Administrative Dispute Resolution Act
| Others |
| ADRA | Adventist Development and Relief Agency
| Others |
| ADRA | Adventist Development Relief Agency
| Others |
| ADRA | Agencia de Desarollo y Recursos Asistenciales (de la Iglesia Adventista de Guatemala)
| Others |
| ADRA | Alberta Dirt Riders Association
| Others |
| ADRA | Ambleside and Dundarave Ratepayers' Association
| Others |
| ADRA | American Drag Racing Association
| Others |
| ADRA | Arizona Drag Racing Association
| Others |
| ADRA | Associate Director of Regulatory Affairs
| Others |
| ADRA | Association of Debt Recovery Agents
| Others |
| ADRA | Atlantic Drag Racing Association
| Others |
| ADRA | Australian Drivers Rights Association
| Others |
| ADRA | Automotive Dismantlers and Recyclers Association
| Others |