Found 8 full forms for RRIS
| Term | Full Form | Category |
|---|---|---|
| RRIS | Railroad Research Information Service 
| Others |
| RRIS | Ram Ratna International School
| Others |
| RRIS | Raphael Recanati International School
| Others |
| RRIS | Rectilinear Rear Independent Suspension
| Others |
| RRIS | Regional Reference Information Systems
| Others |
| RRIS | Rehabilitation Research Institute of Singapore
| Others |
| RRIS | Remote Radar Intergration System
| Others |
| RRIS | Rural Road Information System
| Others |