| Acronym | Definition |
|---|
| RRIS➣Rapid Response Information System |
| RRIS➣Raphael Recanati International School (Israel) |
| RRIS➣Regional Rural Injury Study (farm injury study) |
| RRIS➣Railroad Research Information Service |
| RRIS➣Remote Radar Integration Station |
| RRIS➣Recurrent Respiratory Infection Syndrome |