| Acronym | Definition |
|---|
| ADDP | 1,1'- (Azodicarbonyl)dipiperidine |
| ADDP | Association of Developmental Disabilities Providers (Massachusetts) |
| ADDP | Association Départementale de Défense du Public (French: Departmental Association of Public Defense) |
| ADDP | AIDS Drug Distribution Program |
| ADDP | Analyze Dissect Detect Process |
| ADDP | Advanced Digi Discovery Protocol |
| ADDP | Asymmetrically Degenerated Differential Pair |
| ADDP | Africa Decade of Disabled People |
| ADDP | Air Dominance Decision Point |
| ADDP | Appraisal Defect Detection & Prevention (finance) |
| ADDP | Association of Due Diligence Professionals (Evergreen, CO) |
| ADDP | Advanced Disconnect Detection Protocol (Genesys Telecommunications Laboratories, Inc.) |