| Abbreviation | Definition |
|---|---|
| RIC | Routing Indicator Code |
| RICC | Reportable Item Control Code |
| RICO | Regional Interface Control Officer |
| RICS | Range Instrumentation Control System |
| RICS | Rapid Incident Command System |
| RIDDOR | Reporting Of Injuries Diseases And Dangerous Occurrences Regulations |
| RIFTS | Rapidly Installed Fluid Transfer System |
| RIG | Recognition Identification Group |
| RII | Request for Intelligence Information |
| RII | Required Inspection Items |
| RIK | Replacement In Kind |
| RIM | Radar Intercept Missile |
| RIM | Read Inspect And Mount |
| RIM | Read, Inspect, and Mount |
| RIM-2 | Terrier Missile |
| RIM-24 | Tartar Missile |
| RIM-66 | Standard Missile |
| RIM-67 | Standard Missile (ER) |
| RIM-7 | Sea Sparrow Missile |
| RIMC | Rashtriya Indian Military College |