| Abbreviation | Definition |
|---|---|
| ADEC | Arts Development in East Cambridgeshire |
| ADED | Arkansas Department of Economic Development |
| ADEP | Aquaculture Development and Enhancement Programme |
| ADEPT | Adolescent Development of Emotions and Personality Traits |
| ADES | Academic Development in English and Spanish |
| ADEW | Andrew Development Environment Workbench |
| ADEW | Association for the Development and Enhancement of Women |
| ADEW | Australasian Development Economics Workshop |
| ADF | Agile Development Framework |
| ADF | Applications Development Framework |
| ADF | Asian Development Fund |
| ADF | Audio Development Framework |
| ADFA | Artistic Development for Animation |
| ADFJ | African Development Finance Journal |
| ADFT | Ascent Development Flight Test |
| ADG | Alliance Development Group |
| ADG | American Development Group |
| ADG | Aquatic Development Group |
| ADG | Association Development Group |
| ADG | Automotive Development Group |