| Abbreviation | Definition |
|---|---|
| RIV | reStructuredText in Vim |
| RIV | Rubinetterie Italiane Velatta |
| RIVA | Realtime Intelligent Video Analytics |
| RIVA | Remote Interactive Visualization and Analysis |
| RIVE | Renal Interstitial Volume Expansion |
| RIVE | Rendering Intelligence Very Easily |
| RIVER | Rafting to Investigate Valuable Ecological Resources |
| RIVER | Recognition Insight Values Experience and Reflection |
| RIVERA | Raking In Vegas Earned Reward Already |
| RIVET | Robust Indipendent Validation of Experiment and Theory |
| RIVO | Remarkably Imaginative Visual Originals |
| RIW | Rasisum Is Wrong |
| RIW | Regulatory Improvement Workplan |
| RIW | Regulatory Improvement Www |
| RIW | Remember Its Waterpoof |
| RIW | Resource Intensity Weight |
| RIW | Right Is Wrong |
| RIW | Ruberto Israel Weiner |
| RIW | Russian Innovation Week |
| RIWIRLL | RiWireless |