TS may stand for:

In science

  • Tate–Shafarevich group in mathematics
  • Tensile strength, a measure of the force required to pull something
  • Thymidylate synthase, the enzyme used to generate thymidine monophosphate
  • Tosyl, in chemistry, combination of the toluene and sulfonyl functional groups
  • Tourette syndrome, a neurological condition involving involuntary tics
  • Transsexual, a person who identifies as the gender opposite to the sex assigned to them at birth
  • Tropical storm, an organized system of strong thunderstorms
  • Tuberous sclerosis, a disease that causes benign tumours in the brain and on other organs
  • Turner syndrome, a group of chromosomal abnormalities
  • Test Solution

In business, computing and technology:

  • MPEG transport stream (.ts), a communications protocol for audio, video and data
  • TeamSpeak, a voice chat software
  • TechSpot, an online computer enthusiast magazine
  • Telesync, an unauthorized movie capture method
  • Tenaris TS: NYSE, a global manufacturer of steel pipe products
  • Terminal Services, a component of Microsoft Windows operating systems
  • Timestamp, a time code or a digitally signed timestamp as in {ts '2005-10-27 00:00:00'}
  • Phone connector (audio), sometimes called "TS connector" the standard monaural phone jack
  • Train simulator, a computer program that simulates rail transport operations
  • Transaction server, a software component that is used in implementing transactions

In culture, politics and society:

  • Taylor Swift, an American country singer
  • Teaspoon, as a unit of volume in cooking
  • Texas Syndicate, a Hispanic prison gang
  • Theosophical Society, an organization to advance the doctrine of Theosophy
  • Top Secret, a security classification
  • Transcendental Students, a radical student group at NYU in the late 1960s and early 1970s
  • Transition School, an accelerated college entrance program at the University of Washington
  • Treaty series, a collection of United States treaties published by the US Department of State
  • the code for South Tipperary, Ireland
  • Training Ship, a ship used to train sailors, may have the ship prefix T.S.

In language, linguistics, literature and media:

  • Twilight Sparkle, a character on the TV show My Little Pony: Friendship is Magic
  • The Simpsons, an American animated TV series
  • The Sims, a series of people simulator games
  • Toy Story, a 1995 CGI film
  • The Soup, an American series
  • Ts (digraph), a digraph in the Latin alphabet
  • Voiceless alveolar affricate, a term used in linguistics for a type of consonantal sound
  • Ц, the Cyrillic letter representing the ts sound or voiceless alveolar affricate
  • The Scream, a painting
  • The Specialists, a computer video game modification of the popular first-person shooter Half-Life (video game)
  • Tenor saxophone, a musical instrument
  • Tiberian Sun, a game in the Command & Conquer series of video games
  • TinySex, a slang term for sex roleplay
  • Terminator Salvation, a 2009 American science fiction post-apocalyptic war film
  • TimeSplitters (series), a video game series, formally known as Free Radical Design
  • Tsonga language, a language in Africa

In transportation:

  • Air Transat IATA code
  • Tidewater Southern Railway, a short line railroad in Central California
  • Turbine Ship, a steamships powered by the steam turbine
  • Twin Spark, an engine technology usually in the context of Alfa Romeo cars