| Abbreviation | Definition |
|---|---|
| RSVP | Real Solutions For Video Projects |
| RSVP | Reserve Seats Via Phone |
| RSZ | Radio Starz |
| RT | Reader's Theatre |
| RT | ReTell |
| RT | Revision Topic |
| RT | Road And Track |
| RT | Romantic Times |
| RTA | Real Time Author |
| RTAK | Road To A Killcam |
| RTAT | Real Time Action Traffic |
| RTAV | Real-Time Audio-Video |
| RTB | Radio Trans Belgrade |
| RTBF | Radiodiffusion Télévision Belge Francophone |
| RTBT | Radio and Television Broadcasting Telecommunications |
| RTC | Real Time Cinematics |
| RTC | Really Tough Crowd |
| RTD | Return To Dark |
| RTD | Reuters Trend Data |
| RTE | Radio Telefís Éireann (Radio Television Ireland) |