PDDI
| Acronym | Definition |
|---|---|
| PDDI | Product Definition Data Interface |
| PDDI | Perfect Digit-to-Digit Invariant (mathematics) |
| PDDI | Parallel-Design Distributed-Implementation |
| PDDI | Perhimpunan Donor Darah Indonesia (Indonesian: Indonesian Association of Blood Donors) |
| PDDI | Potential Drug-Drug Interaction |
| PDDI | Pennsylvania Digital Divide Initiative (Pennsylvania Service-Learning Alliance; Philadelphia, PA) |