RTIS
| Acronym | Definition |
|---|---|
| RTIS | Real Time Information System (various companies) |
| RTIS | Real Time Interactive Simulation (degree; DigiPen Institute of Technology) |
| RTIS | Remote Traffic Information System |
| RTIS | Real-Time in Sweden |
| RTIS | Regional Traffic Information Services |
| RTIS | Raytheon Texas Instruments Systems |
| RTIS | Real Time Inventory Status (Java) |
| RTIS | Reed Technologies and Information Services |