| Acronym | Definition |
|---|
| RT | Right |
| RT | Route |
| RT | Round Trip |
| RT | Rate |
| RT | Retirement |
| RT | Real-Time |
| RT | Retreat |
| RT | Room Temperature |
| RT | Ringtone |
| RT | Reverse Transcription |
| RT | Road Trip (movie) |
| RT | Round Table |
| RT | Right Turn (Hyper Logo Turtle Graphics command) |
| RT | Rooster Teeth (comic series) |
| RT | Run Time |
| RT | Radiation Therapy |
| RT | Right Tackle (football) |
| RT | Real Talk |
| RT | Response Time |
| RT | Racing Team (Dodge) |
| RT | Reaction Time |
| RT | Respiratory Therapist |
| RT | Rough Terrain |
| RT | Rapid Transit |
| RT | Radio Times |
| RT | Running Time |
| RT | Richard Thompson (musician) |
| RT | Reverse Transcriptase |
| RT | Road and Track |
| RT | Radiotherapy |
| RT | Research Team |
| RT | Rammstein (band) |
| RT | Resistance Training |
| RT | Remote Terminal |
| Rt | Részvénytársaság (Hungarian: Public Limited Company) |
| RT | Routing Table |
| RT | Route Through |
| RT | Recovery Time |
| RT | Router Table (woodworking) |
| RT | Radiologic Technology |
| RT | Radiologic Technologist |
| RT | Rail Transit |
| RT | Réglementation Thermique (French: Thermal Regulation) |
| RT | Robotech (anime cartoon) |
| RT | Test Report (DOD-STD-7935) |
| RT | Related Topic |
| RT | Radiographic Testing |
| RT | Right Triangle |
| RT | Radio Transmitter |
| RT | Receiver-Transmitter |
| RT | Rogue Trader (game) |
| RT | Red Team |
| RT | Radiotelephone |
| RT | Roger Taylor (Queen drummer) |
| RT | Reading Test |
| RT | Refresher Training (for ACG forms) |
| RT | Radio Telescope |
| RT | Regression Test(ing) |
| RT | Risk Tolerance |
| RT | Reserve Training |
| RT | Research Technician |
| RT | Reverberation Time (acoustics) |
| RT | Radio Text |
| RT | River Terminal (railroad) |
| RT | Repair Time |
| RT | Régiment de Transmissions (French: Signals Regiment; French Army) |
| RT | Route Target (MPLS-VPN) |
| RT | Route Tag (Rip V2) |
| RT | Republic of Tatarstan (autonomous republic of west-central Russia) |
| RT | Random Testing |
| RT | Running Test (operating condition testing) |
| RT | Radio Telephony |
| RT | Runnymede Trust (UK) |
| RT | Reality Therapy (William Glasser) |
| RT | Receive/Transmit |
| RT | Registered Technologist (diagnostic radiology; American Registry of Radiologic Technologists) |
| RT | Royal Trust (RBC Financial Group) |
| RT | Resistance Thermometer |
| RT | Real Text (file extension) |
| RT | Racing Thoughts (psychiatry) |
| RT | Reference Terminology |
| RT | Reactor Technology |
| RT | Rayleigh-Taylor |
| RT | Ras Tanura (Saudi Arabia) |
| RT | Research Theme |
| RT | Roentgenography |
| RT | Rainbow Table |
| RT | Reparative Therapy (psychiatric treatment aimed at 'curing' homosexuality) |
| RT | Reconnaissance Team |
| RT | Radiation Transport |
| RT | RISC Technology |
| RT | Record Transfer |
| RT | Religious Terrorism |
| RT | Restoration Team (BBC) |
| RT | Rehabilitation Teaching |
| RT | Receive Timing |
| RT | Respiratory Technician |
| RT | Receiving Tube |
| RT | Regional Total |
| RT | Refactoring Tools |
| RT | Ridiculous Thoughts (Cranberries song) |
| RT | Reptilase Time |
| RT | Refrigeration Ton |
| RT | Railtex (railroad) |
| RT | Relief Teacher |
| RT | Radiation Thermometer |
| RT | Reference Trajectory |
| RT | Remote Thread |
| RT | Reactor Trip |
| RT | Rescue Tender (emergency services) |
| RT | Radio Tirana |
| RT | Règlement Thermique (French: Thermal Regulation) |
| RT | Receive Tip |
| RT | Rogerian Therapy (Carl Rogers) |
| RT | Retention and Transition (US Army) |
| RT | Regulation Tie (Hockey) |
| RT | Relocatable Target |
| RT | Rational Tangent |
| RT | Ring and Tip |
| RT | Renewal Transfer (insurance) |
| RT | Record of Transaction (shipping supply chain managements) |
| RT | Regipäts Talossán (Kingdom of Talossan; micronation) |
| RT | Right Turn After Takeoff |
| RT | Rekenaartomografie |
| RT | Renaissance Trust |
| RT | Recertification Team |
| RT | Rectangular Transform |
| RT | Rejection Tag |
| RT | Relocatable Terminal |
| RT | US Revenue Private Die Perfumery (Scott Catalogue prefix; philately) |
| RT | Turn Right After Takeoff |
| RT | Rumeli Telekom AS |
| RT | Recursive Thresholding |
| RT | Ripa Tiberis (Latin: Tiber Bank, epigraphy) |
| RT | Resource Tower Corporation (gaming company) |
| RT | Rugose Tegument (tapeworm) |
| RT | Renegade Taiko (San Francisco, CA) |
| RT | Reconditioning Test |
| RT | Retweet (also seen as R/T; Twitter) |
| RT | Rectal Temperature |