STF

STF may refer to:

• Spread tow fabric (stf), a type of lightweight fabric
• Smooth Trans Focus (STF), technology in photographic lenses that produces a smooth focus effect
• STF function, an autobracketing function on certain cameras that emulates a Smooth Trans Focus effect
• Smartphone Test Farm, a web application for debugging smartphones, smartwatches and other gadgets remotely: from the comfort of your browser, control and manage Android devices

• She's the First, an organization that fights gender inequality
• Songahm Taekwondo Federation, the South American branch of the American Taekwondo Association
• Supreme Federal Court (Portuguese: Supremo Tribunal Federal), Brazil's supreme court
• Svenska Turistföreningen, the Swedish Tourist Association

• Special Task Force (SAPS), a South African police tactical unit
• Special Task Force (Sri Lanka), Sri Lankan Police Counter-Terrorist force
• Special Task Force (India), an Indian special police force
• Special Tactical Force, a fictional anti-terrorist unit in Crisis Zone
• SchizoTaskForce, a special entertainment organization found in Germany that acts in games as STF.

• George M. Bryan Airport (FAA location identifier: STF) of Starkville, Mississippi
• Shear thickening fluid, a type of smart material whose viscosity increases as shear stress increases
• Stepover Toehold Facelock, a submission hold used in professional wrestling
• Common Occupational Injuries often result from accidents known as Slips, Trips and Falls