STS

STS is a three-letter abbreviation which may refer to:

Science, medicine, meteorology and technology

• Science and technology studies
• Superior temporal sulcus
• Socio-technical systems
• Severe tropical storm (STS)
• Scanning tunneling spectroscopy, a spectroscopy technique based on Scanning Tunneling Microscope
• Sequence-tagged site, a gene-reference in genomics
• Space Transportation System, the primary physical components of NASA's Space Shuttle program
• Semipalatinsk Test Site, the primary test site for Soviet nuclear weapons
• Intel Science Talent Search, a research-based science competition
• Space Tourism Society, a society focused on space tourism
• Ship-to-ship transfer, an operation where cargo is transferred between seagoing ships
• Ship-to-shore crane, another term for a Container crane
• Steroid Sulfatase, an enzyme
• Staurosporine, an antibiotic
• Serologic Tests for Syphilis, an umbrella term for diagnostic blood tests for syphilis

Computing

• State transition system, an abstract machine used in the study of computation
• Station-to-Station protocol, a cryptographic key agreement scheme that provides mutual authentication
• Synergy Teleconferencing System, a computer bulletin board operating system
• SharePoint, originally known as SharePoint Team Services
• Microsoft Live Labs Security Token Service, a gateway to handle claims within Microsoft's Identity Metasystem
• Strict Transport Security (STS)

Communications

• Serviciul de Telecomunicaţii Speciale, the Romanian Special Telecommunication Service
• STS Relay, the speech to speech relay service available via 711 in the United States
• STS (TV channel), a Russian TV channel
• STS, a Synchronous Transport Signal, part of the Synchronous optical networking communications system

Culture

• Satanas, a Filipino-American gang
• Stepover Toehold Sleeper, a submission hold used in professional wrestling
• Sing the Sorrow, an album by AFI
• Swallow the Sun, a Finnish death metal band
• S.T.S., an Austrian Austropop band

Societies, organisations and companies

• Sheboygan Transit System, a public bus system run by the city of Sheboygan, Wisconsin
• Société de transport de Sherbrooke, a public bus system in Sherbrooke, Quebec
• Société de transport du Saguenay, a public bus system in Saguenay, Quebec
• Siemens Transportation Systems, the transportation business unit of Siemens AG
• Scottish Tartans Society, a defunct Scottish society devoted to tartan
• Society of the Holy Trinity (Societas Trinitatis Sanctae - STS), Lutheran ministerium

Other uses

• Short-term business statistics, for monthly and quarterly economic statistics
• Cadillac STS, a luxury car sold by Cadillac
• Saints, the plural of Saint, for example: Sts. Peter and Paul
• STS, the IATA airport code for Charles M. Schulz - Sonoma County Airport
• Susquehannock Trail System, in northcentral Pennsylvania
• Strathcona-Tweedsmuir School, a private school in Alberta
• Satellite Transit System, the underground people mover in Seattle-Tacoma International Airport
• Stress (journal), a medical journal published by Informa plc.