TSS

TSS may refer to:

Organizations

• Tanglin Secondary School, a government secondary school in Clementi, Singapore
• The Southport School, Anglican day and boarding school on Gold Coast, Queensland, Australia
• Tinana State School, a public primary school in Maryborough, Queensland, Australia
• Thornhill Secondary School, in Canada
• Tideway Scullers School, a rowing club in London, England
• Telangana Sports School, a sports school in Hyderabad, India
• Times Square Stores, a US retail department store chain
• Technical Services Staff, a component of the U.S. Central Intelligence Agency
• TV Shinhiroshima, a TV station in Japan
• Total System Services, Inc. (NYSE symbol)
• Ton Steine Scherben, a German rock band
• The Sunday Sadness, a French rock band
• The Smart Solutions, a Multi National Exhibition and Advertising Company operating in India, Saudi Arabia, United Arab Emirates, Egypt, Oman, Bahrain.

Retail

• Times Square Stores, a defunct American department store also branded as "TSS"

Science and technology

• Tiangong Space Station, a permanently crewed space station constructed by China.
• Traffic Separation Scheme, a traffic-management route-system ruled by the International Maritime Organization
• TSS-1, Tethered Satellite System-1, a 1990s joint space experiment program between Italy and USA flying a space tether
• TSS-1R, reflight of the Tethered Satellite System mission
• Tromsø Satellite Station, a satellite earth station located in Tromsø, Norway
• Toxic shock syndrome, a potentially fatal illness caused by a bacterial toxin
• Transcription start site, the starting point of the process of creating a complementary RNA copy of a sequence of DNA
• TSS (operating system), an early time-sharing operating system on the IBM System/360 Model 67 and System/370
• Task State Segment, a special structure on x86-based computers which holds information about a task
• Total sum of squares, a quantity that appears as part of a standard way of presenting results
• Total suspended solids, a water quality measurement
• TATSU Signing Server, an Apple server which controls whether iOS versions can be restored to
• Trusted Platform Module (TCG Software Stack), a software stack by TCG that allows interaction with a TPM
• Texas Supernova Search, a program to search for new supernovae and other astronomical transients

Transport

• Tsing Shan Tsuen stop, Hong Kong (MTR station code TSS)
• Trans Semanggi Suroboyo in Surabaya, Indonesia
• Twin-screw steamer, a steam-powered vessel with two screw propellers