FDRI
| 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) |