| Abbreviation | Definition |
|---|---|
| ADP | Adenosine Diphosphate A Product |
| ADP | Administrative Data Processing |
| ADP | Alcohol and Drug Programs |
| ADP | All Drunk People |
| ADP | All Dumb People |
| ADP | American Data Processing |
| ADP | American Democracy Project |
| ADP | Antwerp Diamond Pavilion |
| ADP | Apparatus Dew Point |
| ADP | Artifact Dance Project |
| ADP | Artist Development Program |
| ADP | Association of Directory Publishers |
| ADP | Athletic Development Program |
| ADP | Atomic Displacement Parameters |
| ADP | Authorized Duplicator Program |
| ADP | Automatic Data |
| ADPA | Accredited Domestic Partner Advisor |
| ADPA | Accredited Domestic Partnership Advisor |
| ADPA | Alabama Damage Prevention Alliance |
| ADPA | American Defense Preparedness Association |