| Acronym | Definition |
|---|
| TSF➣Tech Support Forum (online forum) |
| TSF➣Taylor Spatial Frame (orthopedic device) |
| TSF➣Text Services Framework |
| TSF➣Télécoms Sans Frontières (French: Telecoms Without Borders; humanitarian aid organization; est. 1998) |
| TSF➣Tiger Scholarship Fund (University of Missouri) |
| TSF➣Template Stream Format |
| TSF➣Tone Set File |
| TSF➣Time Stamp Format |
| TSF➣Teaspoonful (measurement) |
| TSF➣Total Square Footage (measurement) |
| TSF➣Télégraphie Sans Fil (French: former term for radio) |
| TSF➣Twelve Step Facilitation (counseling intervention) |
| TSF➣TOE Security Functions |
| TSF➣Triceps Skinfold |
| TSF➣Tulsa State Fair (Tulsa, OK) |
| TSF➣Tillamook State Forest (Oregon) |
| TSF➣The Science Fair (various organizations) |
| TSF➣Trout Stocked Fishery (classification; Pennsylvania) |
| TSF➣The Silver Fern (New Zealand) |
| TSF➣The Site Fights |
| TSF➣Theatre Strike Force (sketch comedy group; University of Florida; Gainesville, FL) |
| TSF➣Tons per Square Foot |
| TSF➣The Silent Force (band) |
| TSF➣Telephone Service Factor (percentage of calls answered in 20 seconds) |
| TSF➣Telefonia Sem Fios (Portuguese radio service) |
| TSF➣Transmission Sans Fil (French: Wireless Transmission) |
| TSF➣TeliaSonera Finland (telecommunications company) |
| TSF➣Tailing Storage Facility (mining) |
| TSF➣Terre Sans Frontières |
| TSF➣Thrust Scale Factor (aircraft engine design) |
| TSF➣Takeda Science Foundation (Japan) |
| TSF➣Terascale Simulation Facility (Lawrence Livermore National Laboratory, California ) |
| TSF➣Traffic Safety Fund |
| TSF➣The Selected Few |
| TSF➣Transaction Service Fee (eBay) |
| TSF➣Tetraselenafulvalene |
| TSF➣The Sports Factory (Milfort, CT indoor training facility) |
| TSF➣Tandem Switching Feature (telecommunications) |
| TSF➣Tire Stewardship Fee (Canada) |
| TSF➣Twisted Software Foundation |
| TSF➣Traducteurs Sans Frontières (French: Translators Without Borders) |
| TSF➣Tower Shielding Facility |
| TSF➣The Sonic Foundation (Sonic the Hedgehog fan website) |
| TSF➣Jazz Jackrabbit 2: The Secret Files (game) |
| TSF➣Tree Scatternet Formation |
| TSF➣The Spats Factory (shoes; Italy) |
| TSF➣Team Strike Force (band) |
| TSF➣Telos Security Force (Star Wars series) |
| TSF➣That's So Funny |
| TSF➣Temporary Storage Facility |
| TSF➣Tab Separated File |
| TSF➣The Stanford Fund (Stanford University; California) |
| TSF➣Tourism Service Fee (Nepal) |
| TSF➣Tallinn Salsa Festival (Estonia) |
| TSF➣Trading Spaces Family (TV show) |
| TSF➣Tactical Strike Fighter |
| TSF➣T-Shirt Forums (website) |
| TSF➣Thin Slot Formalism |
| TSF➣Tactical Special Forces (gaming clan) |
| TSF➣Tritium Separation Facility |
| TSF➣Talkspurt/Silence Flag |
| TSF➣The Shared Forums (Mac Security forums) |
| TSF➣Tritium Salt Facility |
| TSF➣Transparent Spanning Frame |
| TSF➣Tactical Support Facility |
| TSF➣Technical Services Firm |
| TSF➣Training Summary File |
| TSF➣Ten-Statement FORTRAN |
| TSF➣Task Semantic Failure |
| TSF➣Temporal-Spatial Filtering |
| TSF➣TSEC Spiritual Foundation (Thadomal Shahani Engineering College; Mumbai ,India) |
| TSF➣Tooth Shear Fatigue (gear failure) |
| TSF➣Trips, Slips and Falls (workplace risk) |
| TSF➣Training Services Flight (Royal Australian Air Force) |
| TSF➣Trenchless Silt Fence (urban forestry) |
| TSF➣Thrift Savings Fund (retirement savings and investment plan) |
| TSF➣Tri-State Family |
| TSF➣Time Standard File |
| TSF➣Trojmiejska Szkola Fotografii (Tri-City School of Photography, Sopot, Poland) |
| TSF➣Trade Structure Finance |