| Acronym | Definition |
|---|
| RTS | Reformed Theological Seminary (Charlotte, NC) |
| RTS | Real Time Strategy (gaming) |
| RTS | Request To Send |
| RTS | Russian Trading System (stock exchange) |
| RTS | Royal Television Society |
| RTS | Residual Time Stamp |
| RTS | Real Time System (Real Time Operating System) |
| RTS | Return to Sender |
| RTS | Ready To Send |
| RTS | Reclaim The Streets (activist group) |
| RTS | Remain the Same (band) |
| RTS | Run Time System |
| RTS | Ready to Ship (logistics) |
| RTS | Ready to Serve (stock ready to serve instant customer demand) |
| RTS | Radio-Televizija Srbije (Serbian: Radio-Television of Serbia; national Serbian TV station) |
| RTS | Rubinstein-Taybi Syndrome |
| RTS | Regional Transit System (Gainesville, Florida) |
| RTS | Return from Subroutine (6502 processor instruction) |
| RTS | Revised Trauma Score |
| RTS | Reliable Transfer Service |
| RTS | Ready to Spray |
| RTS | Rothmund-Thomson Syndrome |
| RTS | Reagan Test Site (formerly Kwajalein Missile Range KMR) |
| RTS | Regional Training Site |
| RTS | Return To Service |
| RTS | Radiodiffusion Télévision Sénégalaise |
| RTS | Request Tracking System |
| RTS | Random Telegraph Signal |
| RTS | Real Time Service |
| RTS | Read the Screen |
| RTS | Research Triangle Software |
| RTS | Reactive Tabu Search (predictive analysis) |
| RTS | Ronald Reagan Ballistic Missile Defense Test Site |
| RTS | Rapid Transit Systems (bus model) |
| RTS | Rapid Transit Series (bus model) |
| RTS | Regression Test Selection |
| RTS | Remote Takeover System |
| RTS | Radiant Time Series |
| RTS | Real Time Scan (ultrasound) |
| RTS | Rauch-Tung-Striebel (fixed interval smoother) |
| RTS | Return To Stock |
| RTS | Readiness to Serve |
| RTS | Remote Tracking Station |
| RTS | Reliability Test System |
| RTS | Relative Time Sequence |
| RTS | Radio Test Set |
| RTS | Reconnaissance Technical Squadron |
| RTS | Raised Toilet Seat (ergonomic) |
| RTS | Reproductive Tract Score |
| RTS | Rape Trauma Services (Burlingame, CA) |
| RTS | Renal Therapy Services |
| RTS | Radio Television Society |
| RTS | Rapid Targeting System |
| RTS | Round Table Session |
| RTS | Ring Tip Sleeve (digital sound industry) |
| RTS | Return to Station |
| RTS | Radar Test Set |
| RTS | Reserve Travel System |
| RTS | Radar Tracking Station |
| RTS | Remote Terminal Site |
| RTS | Revised Technical Specification |
| RTS | Regional Trail System (King County Parks and Recreation, Washington) |
| RTS | Read to Send |
| RTS | Return to Seat (aircraft) |
| RTS | Research and Training Station (La Carlota City, Philippines) |
| RTS | Requirements Tracking System |
| RTS | Repairable This Station |
| RTS | Radius Trigger Scripting |
| RTS | Reliable Tax Service (Selma, CA) |
| RTS | Rid Tracking System |
| RTS | Remote Terminal Subsystem |
| RTS | Raise, Train and Sustain (Australian Navy) |
| RTS | Remote Tracking Site |
| RTS | Runtime Services Interface |
| RTS | Recruitment and Training System |
| RTS | Remote Telepresence Surgery |
| RTS | Repaired This Station |
| RTS | Removal Tracking System |
| RTS | Retail Technology Solutions, Inc (Lakeville, MN) |
| RTS | Remote Trunking System(s) |
| RTS | Readiness Training Squadron |
| RTS | Recommended Technical Solution |
| RTS | Remote Transmit Switch |
| RTS | Resistive Tapered Stripline |
| RTS | Renaissance Text Series (Renaissance Society of America) |
| RTS | Ripon Taxi Service (Wisconsin) |
| RTS | real technical state |