STI may refer to:

In science and technology

Biology and psychology

• Sexually transmitted infection
• Signal transduction inhibitor, a drug type
• Soft tissue injury
• Symptom targeted intervention, for treating depression

Electronics and computing

• Shallow trench isolation, prevents current leakage inside chips
• STI (x86 instruction), enables interrupts
• Still Image Architecture in MS Windows

Other uses in science and technology

• Shimano Total Integration, for bicycle gears
• Speech transmission index, a measure of speech intelligibility
• Stationary target indication, a radar mode
• Subaru Impreza WRX STI, car models
• Verkehrsbetriebe STI, a bus operator, Bern, Switzerland

Businesses and organizations

Educational organizations

• Sail Training International, British non-profit, trains people on sailing ships
• STI College, Philippine IT network

In science and technology

• Semantic Technology Institute International, research network for semantic technology
• Sega Technical Institute, defunct game developer
• Subaru Tecnica International, motorsports division
• Sony, Toshiba, and IBM, co-developers of the Cell microprocessor

Other businesses and organizations

• Scottish Trade International (1991-2001), later Scottish Development International
• Canadian airline Sontair, ICAO code, see List of airline codes (S)

Other uses

• Cibao International Airport, IATA airport code
• Stieng language (ISO 639 code: "sti") of Vietnam/Cambodia
• Stirlingshire, historic county in Scotland, Chapman code
• Straits Times Index, a stock market index
• Shun Tin station, MTR station code

See also

• ST1 (disambiguation)

This disambiguation page lists articles associated with the title STI.
If an internal link led you here, you may wish to change the link to point directly to the intended article.