| Abbreviation | Definition |
|---|---|
| RSP | Required Space |
| RSS | Record Streaming Seed |
| RSS | Redlink System Settings |
| RSS | Reduced Space Symbology |
| rss | Rich Site Summary |
| RST | RAM (Random Access Memory) Stress Test |
| RST | Rotation, Scaling, and Translation |
| RSVP | Recycling Student Volunteer Project |
| RSVP | Report, Sort, View, Print |
| RSVP | Resource Reservation Protocol |
| RSZ | Re-SiZe |
| RTC | Real Time Clock |
| RTC | Real Time Computing |
| RTC | Real Time Console |
| RTCP | Realtime Transport Control Protocol |
| RTD | Run Time Display |
| RTE | Remote Terminal Emulator |
| RTE | Rich Text Editing |
| RTF | Referenced Text File |
| RTFC | Read The F Code |