| Acronym | Definition |
|---|
| FDRI➣Fluid Dynamics Research Institute (Canada) |
| FDRI➣Foundation for Democratic Reforms in India (est. 1998; Wadsworth, IL) |
| FDRI➣Field-Dependent Relaxation Rate Increase |
| FDRI➣Fleet Driver Risk Index (psychometric risk assessment) |
| FDRI➣Future Development of Railway Infrastructure (Switzerland) |