| Abbreviation | Definition |
|---|---|
| ADRDE | Aerial Delivery Research and Development Establishment |
| ADRDE | Aerial Delivery Research Development Establishment |
| ADRDE | Air Defence Research and Development Establishment |
| ADRI | Asian Development Research Institute |
| ADRM | Airport Development Reference Manual |
| ADRO | Aerodynamic Development Race Optimization |
| ADRS | Applied Development Research Solutions |
| ADS | Application Development Systems |
| ADSA | Academic Development of Student Athletes |
| ADSA | Advanced Development for Security Applications |
| ADSC | Army Development and Selection Centre |
| ADSP | Assay Development and Screening Platform |
| ADSP | Athlete Development Support Pathway |
| ADST | Assay Development and Screening Technology |
| ADT | Agribusiness Development Team |
| ADT | Android Development Tools |
| ADT | Application Development Tools |
| ADTL | Advanced Development Technologies Ltd |
| ADVP | Adult Development Vocational Program |
| ADVTP | Afghan Development and Vocational Training Program |