TMS may refer to:
Broadcasting TMS (entertainment data), data provider Test Match Special, BBC cricket coverage This Movie Sucks!, a Canadian TV show on bad movies That Metal Show, an American TV talk show
Media Hobby of Model Railroading (), a Japanese magazine on railway modelling Tokyo Motor Show, a biennial auto show in Japan The Morning Show (American TV series), an Apple TV drama series
Organizations Telefonia Mobile Sammarinese, a Sammarinese telecommunications company The Minerals, Metals & Materials Society, a professional organization Texas Memory Systems, a manufacturer of solid-state drives TMS Entertainment, formerly Tokyo Movie Shinsha Co., Ltd., a Japanese animation studio Toronto Montessori Schools, Richmond Hill, Ontario, Canada Toyota Motor Sales, U.S.A., Inc. Tramway Museum Society, the operators of the United Kingdom's National Tramway Museum Trinity Mathematical Society, UK TMS (production team), an English songwriting and record team The Micropalaeontological Society Trelleborg Medical Solutions, a division of plastics and rubbers company Trelleborg
Schools Tech Music School, London, UK Temasek Secondary School, Bedok, Singapore The Master's Seminary, Sun Valley, California, US Tyrrell Middle School, Wolcott, Connecticut, US
People T. M. Soundararajan (1922–2013), an Indian singer
Places São Tomé International Airport, IATA code Tuen Mun South station, Hong Kong; MTR station code
Science and medicine Chemistry Tetramethylsilane, an organosilicon chemical compound Trimethylsilanol, an organosilicon chemical compound Trimethylsilyl, a functional group in chemistry Tricaine methanesulfonate or tricaine mesylate, an anesthetic for fish Trimethylserotonin, different analogues of serotonin
Medicine and psychology Tension myositis syndrome, a medical condition causing pain Total motile spermatozoa, in semen analysis Transcranial magnetic stimulation in neuroscience Tandem mass spectrometry, to analyse biomolecules Truth maintenance system, a knowledge representation method
Sports Texas Motor Speedway, Fort Worth, Texas, US TMS Ringsted, a Danish handball club
Technology Tape management system, for computer backups Tile Map Service, a standard for downloading maps Traffic management system Training management system Translation management system, translation software application Transport management system, managing software updates of SAP (STMS) Transportation management system, logistics software application Treasury management system, financial software application
Other uses Tesla Model S, battery electric luxury executive car TMS (short for "The Mysterious Song"), expression for the song "Subways of Your Mind"