| Acronym | Definition |
|---|
| RTRT➣Real Time Release Testing |
| RTRT➣Real-Time Ray-Tracing |
| RTRT➣Rete Telematica Regione Toscana (Italian: Telematics Network Tuscany Region) |
| RTRT➣Rational Test Real Time |
| RTRT➣Real-Time Tracking Radiation Therapy (radiation oncology) |
| RTRT➣Repair Turn Round Time |
| RTRT➣Rapid Transit Racing Team (Barbasol cycling team) |