| Abbreviation | Definition |
|---|---|
| RTU | Rīgas Tehniskā universitāte |
| RTU | Rigas Tehniskas universitates |
| RTU | Rīgas Tehniskās universitātes |
| RTU | Rule Template Unit |
| RTUF | ready to use food |
| RTUF | ready to use foods |
| RTUF | Real Time Unscheduled Flows |
| RTUF | Restoring The Urban Fabric |
| RTV | rapid transit vehicles |
| RTV | Real Time Viewing |
| RTV | ReCapturing The Vision |
| RTV | Relative Trait Value |
| RTV | Response Time Viewer |
| RTV | Return to Value |
| RTV | Room Temperature Vulcanisation |
| RTV | Room Temperature Vulcanising |
| RTV | Room Temperature Vulcanization |
| RTV | Room Temperature Vulcanize |
| RTV | Room Temperature Vulcanized |
| RTVE | Real Time Video Engine |