STT

STT may refer to:

Organizations

 * ST Telemedia, a portfolio company of Temasek Holdings
 * Stabilimento Tecnico Triestino, a shipbuilding company in Italy
 * State Street Corp. (NYSE symbol), a US financial services company
 * STT Telkom, a telecommunication engineering school
 * Suomen Tietotoimisto, a Finnish news agency
 * Special Investigation Service, a Lithuanian anti-corruption agency

Computing

 * Speech to text, converting spoken audio into text
 * Single transaction translator, a particular functional unit in USB hubs
 * Spin torque transfer, a computer hardware technology

Other uses

 * Cyril E. King Airport (IATA and FAA LID), St. Thomas, U.S. Virgin Islands
 * Soft tissue therapy, a physical treatment
 * Spinothalamic tract, a sensory pathway from skin to thalamus
 * Spread tow tape, in making spread tow fabric
 * Stewarton railway station (station code), Scotland