PDDA
| Acronym | Definition |
|---|---|
| PDDA | Poly Diallyldimethylammonium Chloride (chemical) |
| PDDA | Power Driven Decontamination Apparatus |
| PDDA | Pacific Detroit Diesel Allison (Kent, WA) |
| PDDA | Parallel Deadlock Detection Algorithm |
| PDDA | Participatory Direct Democracy Association (Canada) |
| PDDA | Post-Disaster Damage Assessment |
| PDDA | Parallel and Distributed Dynamic Analyzer (software) |
| PDDA | Physicians Drug and Diagnosis Audit |