STS, sts, Sts, or STs may refer to:

Medicine Secondary traumatic stress, a condition which leads to a diminished ability to empathize Sequence-tagged site, a gene-reference in genomics Soft-tissue sarcoma Staurosporine, an antibiotic STS (gene), which codes for steroid sulfatase Superior temporal sulcus Sinus tarsi syndrome, a foot condition

Places Semipalatinsk Test Site for Soviet nuclear weapons Staffordshire, county in England, Chapman code

Transport Cadillac STS, a luxury car NASA Space Transportation System, the system in which the NASA shuttle is part of and only surviving component of; starting as a 1969 NASA proposal system for reusable space vehicles NASA Space Shuttle program, the shuttle program itself, whose mission were referred to with STS-numbering Sail training ship, a ship prefix Satellite Transit System, now called the SEA Underground, airport transit in Seattle-Tacoma International Airport Ship-to-ship transfer, between seagoing ships Société de transport de Sherbrooke, a public bus system in Sherbrooke, Quebec, Canada Société de transport du Saguenay, a public bus system in Saguenay, Quebec, Canada STS Group (Dubai), a transportation company for private schools Sonar Technician Submarine, a US Navy rating STS, the IATA airport code for Charles M. Schulz - Sonoma County Airport STS, the National Rail code for Saltash railway station, Cornwall, UK

Science and technology Scanning tunneling spectroscopy Science and technology studies, also known as science, technology, and society Sociotechnical system Space Tourism Society Special treatment steel, used by the US Navy c.1910 Speeter–Anthony tryptamine synthesis, a synthetic route used to synthesize tryptamines Static transfer switch, a semiconductor switch STS 5 an Australopithecus specimen Suomenkielisten teknikkojen seura, now incorporated into Academic Engineers and Architects in Finland TEK

Computing and communications HTTP Strict Transport Security Security token service, a web service Set Transmit State, hex 93 in the C1 set of control codes Spring Tool Suite, IDE for Spring Framework Station-to-Station protocol, a cryptographic key agreement scheme Synergy Teleconferencing System, a PC-based chat server Serviciul de Telecomunicații Speciale, the Romanian special telecommunication service STS Relay, US speech to speech relay service for people with a speech disability STS (TV channel), Russia Synchronous transport signal, in synchronous optical networking Saga Television Station, a television station in Saga Prefecture, Japan

Culture Satanas (gang), a Filipino-American gang Stepover toehold sleeper, a wrestling hold S.T.S. (band), an Austropop band

Societies, organizations and companies Scottish Tartans Society, a defunct Scottish society Sisu Terminal Systems, a former terminal tractor producer Society of the Holy Trinity (Societas Trinitatis Sanctae – STS), Lutheran ministerium Suomen Työväen Säästöpankki, a defunct Finnish commercial bank Hitachi Rail STS, formerly known as Ansaldo STS, a company specializing in railway signalling and control systems

Other uses Saints, the plural of Saint, for example: Sts. Peter and Paul Short-term business statistics Strathcona-Tweedsmuir School, Alberta, Canada Susquehannock Trail System, Pennsylvania, US Science Talent Search, see Regeneron Science Talent Search, formerly Westinghouse Science Talent Search, Intel Science Talent Search Special Tactics Squadrons, United States Air Force units

See also