| Acronym | Definition |
|---|
| SETS | Set Byte if Sign |
| SETS | Service Flying Training School |
| SETS | Support Enforcement Tracking System (Ohio) |
| SETS | Stock Exchange Electronic Trading Service |
| SETS | Spoken Error Tracking System |
| SETS | Synchronous Equipment Timing Source |
| SETS | Statistical Export and Tabulation System |
| SETS | Shuttle Electrodynamic Tether System (experiment on the TSS-1R shuttle tethered satellite mission) |
| SETS | Site Enforcement Tracking System |
| SETS | Set Equation Transformation System |
| SETS | System Engineering & Technical Support |
| SETS | Service Establishment Technology Solutions (Sprint) |
| SETS | Solar Energy Thermionic Conversion System |
| SETS | Stability-Enhancing Two-Step (technique) |
| SETS | Space, Energy, Time Savings Systems, Inc. (tankless water heater manufacturer) |
| SETS | Solar Electric Test Satellite |
| SETS | Space Electrodynamics and Tether Systems |
| SETS | Student Evaluation of Teaching and Subject |
| SETS | Stereo Electrooptical Tracking System |
| SETS | Simulated Environment Test Signal |
| SETS | Simulated Environmental Test Signal |
| SETS | Swath Extension by Timing Saturation (radar) |