| Abbreviation | Definition |
|---|---|
| RTHS | Remote Temperature and Humidity Sensor |
| RTHS | Reynoldsburg Truro Historical Society |
| RTI | Race Tuned Imports |
| RTI | Radiation To Information |
| RTI | Reading Technologies Inc |
| RTI | Reading Test Integration |
| RTI | Real Time Information |
| RTI | Real Time Innovations |
| RTI | Really Terrific Instruction |
| RTI | Really Totally Insignificant |
| RTI | Reflectance Transformation Imaging |
| RTI | reflectance transformational imaging |
| RTI | Remote Technologies Inc |
| RTI | Reproductive Tract Infections |
| RTI | Response to Instruction |
| RTI | Responsiveness to Intervention |
| RTIA | Regatta Time in Abaco |
| RTIA | Retail Technology Industry Association |
| RTIA | Road Traffic Infringement Agency |
| RTIA | Ross Thought in Action |