SIT

Not to be confused with Sitting.

SIT or .sit may refer to:

Organizations

• Singapore Improvement Trust, a government public-housing organization
• Society of Instrument Technology, a British learned society
• Strategic Information Technology, a banking-software company
• Special Investigation Team of the Tokyo Metropolitan Police Department
• Science Innovation Technology, a science and technology think tank for the British Government

Educational organizations

• Symbiosis Institute of Technology, Pune, India
• School for International Training, Brattleboro, Vermont
• School of Information Technology, Kolkata, India
• Siddaganga Institute of Technology, Tumkur, Karnataka, India
• Singapore Institute of Technology, Singapore
• Sinhgad Institute Of Technology, Lonavala, India
• Southeastern Institute of Technology, Huntsville,Alabama
• Southern Institute of Technology, Invercargill, New Zealand
• Stevens Institute of Technology, Hoboken, New Jersey
• Sydney Institute of TAFE, Sydney, Australia
• Salazar Colleges of Science And Institute of technology, 211 N. Bacalso Avenue, Cebu City
• Sethu Institute of Technology, Pulloor, Kariapatti, Near Madurai, Tamil Nadu, India

Science, technology, and biology

• SIT, or SITh, static induction thyristor
• Special information tones (telephony), a three beep signal indicating a call did not go through
• Allergen-specific immunotherapy
• Specific ion Interaction Theory, a theory for estimation of single-ion activity coefficients
• Sterile insect technique, a technique for managing insect populations
• Systematic Inventive Thinking, a practical methodology for innovation and creative problem solving.

Computers

• Simple Internet Transition, methods of moving from IPv4 to IPv6
• .sit, or .sitx, file extensions used for compressed files created with StuffIt
• Swatch Internet Time, a system of measuring time
• System integration testing, a process in software engineering

Psychology

• Sexual identity therapy
• Social identity, a method of defining individuals
• Structural Information Theory, a theory of human perception

Transportation

• Sitka Rocky Gutierrez Airport, IATA code SIT

Other uses

• Sino-Tibetan languages, the ISO 639-2 code
• Slovenian tolar, the ISO 4217 code for the former currency of Slovenia