| Abbreviation | Definition |
|---|---|
| RTFQ | Ready To Fly Quads |
| RTFR | Read The F***ing Rules |
| RTFR | Read The Flippin Rules |
| RTFR | Real Time Frequency Regulation |
| RTFR | Richland Township Fire and Rescue |
| RTFS | Rainbow Trout Fry Syndrome |
| RTFS | Raumakustik Tools Farshid Shahlawandian |
| RTFS | Reel Time Florida Sportsman |
| RTFS | Rushaan Toefy Financial Services |
| RTFU | Ranger The F*** Up |
| RTFU | Ready The F*** Up |
| RTFU | Robbery Task Force Unit |
| RTG | Radioisotope Thermoelectric Generators |
| RTG | Random Tone Generator |
| RTG | Randy Todd and Geno |
| RTG | Reader Translator Generator |
| RTG | ready to grow |
| RTG | Real Top Gallis |
| RTG | Realistic Terrain Generation |
| RTG | Really Tall Giant |