RTS is a three-letter abbreviation that may refer to:
In economics:
In transportation:
In radio and television:
In technology:
- Ready-To-Serve, provide services to end users.
- Return statement or ReTurn from Subroutine, a statement in many assembly languages and other low-level computer languages
- Request to send is the optional mechanism used by the 802.11 wireless networking protocol to reduce frame collisions introduced by the hidden terminal problem
- Run-time system, a part of some computer's runtime environment
- Radio teleswitch service, which regulates energy rates via broadcast radio in the UK
- SIGRTMIN and SIGRTMAX or Real-time signal, signals sent to computer programs for user-defined purposes
- A "Request to Send" frame in the IEEE 802.11 RTS/CTS mechanism
- A "Request to Send" signal in RS-232 communications