STF

STF may refer to:

Concepts

• 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
• Short-time fasting (STF), medical term

Organisations

• 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 forces

Main article: Special Task Force (disambiguation)

• 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 Counter-Terrorist force

Other uses

• 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