| Abbreviation | Definition |
|---|---|
| RINL | Rashtriya Ispat Nigam Ltd |
| RINS | Raptor Inventory Nest Survey |
| RINS | Relaxation induced neighborhood search |
| RINS | Renewable Identification Number System |
| RINSE | Rinsed |
| RINSE | Rinsing |
| RINT | Results In No Time |
| RIO | Radar Intelligence Officer |
| RIO | Radio Intercept Officer |
| RIO | Rangiora International Office |
| RIO | Rapid Information Organiser |
| RIO | Rdf I O |
| RIO | Re Integrating Offenders |
| RIO | Re Integration Of Offenders |
| RIO | Readiness Input And Output |
| RIO | Really Interesting Objects |
| RIO | Realtime Input Output |
| RIO | Recognition Insight and Openness |
| RIO | Recognition Insight Openness |
| RIO | reconfigurable I O |