TCS may stand for:

  • Tactical cryptologic system
  • Taking Children Seriously (tcs.ac)
  • Tata Consultancy Services (tcs.com)
  • Taxpayers for Common Sense
  • Tech Central Station
  • Television Corporation of Singapore
  • Temperature compensation sensor
  • The Coastal Society
  • The Crustacean Society
  • Theoretical computer science
  • Thermal control subsystem
  • Tongass Conservation Society
  • Toronto Choral Society
  • Total cross section
  • Total customer satisfaction
  • Touring Club Suisse (tcs.ch)
  • Train Collectors Society
  • Treasury Communications System (USA)
  • Troop carrier squadron
  • Trusted computer system
  • Tucson Computer Society
  • Tulsa Computer Society (tcs.org)
  • Twickenham Choral Society

Control systems:

  • Tactical control system
  • Telescope control system
  • Test control system
  • Thermal control system
  • Traction control system
  • Train control system
  • Trajectory control system
  • Transaction control system
  • Turbine control system