| Abbreviation | Definition |
|---|---|
| DRI | Delaware Rehabilitation Institute |
| DRI | Development Research Institute |
| DRI | Disaster Recovery Institute |
| DRIC | Disaster Recovery Institute Canada |
| DRIFT | Dutch Research Institute for Transitions |
| DRMI | Defense Resource Management Institute |
| DRMI | Defense Resources Management Institute |
| DRTI | Donetsk Railway Transport Institute |
| DSCI | Digital Supply Chain Institute |
| DSDI | Damien Social Development Institute |
| DSEI | Direct Selling Educational Institute |
| DSFI | Detroit Summer Finance Institute |
| DSI | Decision Sciences Institute |
| DSI | Defense Strategies Institute |
| DSPI | Digital States Performance Institute |
| DSRI | Danish Space Research Institute |
| DSRI | Development Studies and Research Institute |
| DSRI | Down Syndrome Research Institute |
| DSSI | Drew Summer Science Institute |
| DSTI | Digital Strategy Training Institute |