| Acronym | Definition |
|---|
| PDRI➣Project Definition Rating Index |
| PDRI➣Pancreas Donor Risk Index (organs) |
| PDRI➣Personnel Decisions Research Institute (Minneapolis, MN) |
| PDRI➣Pemerintahan Darurat Republik Indonesia (Indonesian: Emergency Government of the Republic of Indonesia) |
| PDRI➣Paul Davis Restoration, Inc |
| PDRI➣Power Delivery Reliability Initiative (Electric Power Research Institute) |