| Acronym | Definition |
|---|
| STF | Supremo Tribunal Federal |
| STF | Summary Tape File (US Census) |
| STF | Svenska Turistföreningen |
| STF | Special Task Force |
| STF | Save the Tiger Fund |
| STF | Saskatchewan Teachers Federation |
| STF | Sony Talk Forum |
| STF | Student Technology Fee |
| STF | Slips, Trips, and Falls (occupational injuries) |
| STF | Structured File (File Name Extension) |
| STF | Systemic Transformation Facility (IMF) |
| STF | Space-Time-Frequency |
| STF | Special Transportation Fund |
| STF | Scientifiction (Early name for Science Fiction) |
| STF | Schweizerische Technische Fachschule (Winterthur, Switzerland) |
| STF | Star-Fleet |
| STF | Steal This Film (movie) |
| STF | Study Tagging File |
| STF | Signal Transfer Function |
| STF | Second to Find (geocaching) |
| STF | Source Time Function (seismology) |
| STF | Short-Time Fourier |
| STF | Special Tactical Force (Crisis Zone game) |
| STF | Search the Forum |
| STF | Singapore Taekwondo Federation |
| STF | System Transfer Function |
| STF | Systems Technology Forum |
| STF | Seminole Tribe of Florida |
| STF | Short Term Forecast (weather) |
| STF | Soil Transport and Fate Database (US EPA) |
| STF | Simple Test Framework |
| STF | Satellite Test Facility |
| STF | Stanford Theatre Foundation (Palo Alto, CA) |
| STF | Step-over Toehold with Facelock (pro wrestling maneuver) |
| STF | Specific Transfer Factor |
| STF | Step-Over Toe-Hold Face-Lock (wrestling) |
| STF | Software Testing Facility |
| STF | Silence the Fall (band) |
| STF | Simulation and Training Function |
| STF | Satellite Tracking Facility |
| STF | Solar Test Facility |
| STF | Stress-To-Failure |
| STF | Structural Test Firing (US Navy) |
| STF | System Technology Forecast |
| STF | Salafi Task Force |