| Acronym | Definition |
|---|
| RST | Reset |
| RST | Rest |
| RST | Restart |
| RST | reStructuredText |
| RST | Retail Sales Tax |
| RST | Rhetorical Structure Theory |
| RST | Ricerca e Sviluppo Tecnologico |
| RST | Radiation Shield Technologies (Coral Gables, FL) |
| RST | Rough Set Theory |
| RST | Regional Support Team (US Army) |
| RST | Reconnaissance, Surveillance, and Targeting |
| RST | Right Sides Together (embroidery instructions) |
| RST | Road Surface Temperature |
| RST | Registered Seed Technologist |
| RST | Rational Suggestion Therapy |
| RST | Rigid Surface Technology (Monitor Audio speaker technology) |
| RST | Rescheduled Training |
| RST | religious support team (US DoD) |
| RST | Rapid Suspension Technology (Mountain Bike Shock Co) |
| RST | Reset Switch Connector |
| RST | Required Staff Training (Civil Air Patrol) |
| RST | Resolved Sexual Tension |
| RST | Road Surface Tester |
| RST | Regime-Switching Space-Time |
| RST | Range Search Tree |
| RST | Rapid Strep Test |
| RST | Readability, Signal, Tone (Ham radio 3-digit report for Morse code reception quality) |
| RST | Remote Switching Terminal |
| RST | Regional Survey Team |
| RST | Romance Standard Time |
| RST | Ratio Statistic Test |
| RST | Retina Scan Technology |
| RST | Russian Segment Trainer |
| RST | Resident Specific Time |
| RST | Random Stratified Testing |
| RST | Registered Storage Tank |
| RST | Reference Start Time |
| RsT | Really Strange Tempo (gaming clan) |
| RST | Robust Sequence Tree |
| RST | Runescape Trivia |
| RST | Readiness Support Team |
| RST | Rochester, MN, USA - Rochester International (Airport Code) |
| RST | Register and Self Test |
| RST | Receiver Short Timing |
| RST | Requisition Submission Time |
| RST | Reserve Secondary Training (US Army Reserves) |
| RST | Rockalicious Stone Tang |
| RST | Relocatable Satellite Terminal |
| RST | Retrograde Ship Time |
| RST | Reliability Substantiation Test |
| RST | Request for Substantiation Test |
| RST | Ramgarhia Sikh Temple (UK) |