| Acronym | Definition |
|---|
| DRRI➣Digital Radio Research Inc. |
| DRRI➣Deployment Risk and Resilience Inventory (US VA) |
| DRRI➣Deluxe Reverb Reissue (Fender) |
| DRRI➣Defense Race Relations Institute |
| DRRI➣Digital Radio Research Inc. (now Digital Radio Roll Out Inc.; Canadian broadcasting consortium) |
| DRRI➣Direction Régionale des Renseignements Intérieur (French: Regional Directorate of Internal Information) |