TEC or Tec may refer to:

Education

  • Trichy Engineering College, in Konalai, Tamil Nadu, India
  • Costa Rica Institute of Technology
  • Tec, the Monterrey Institute of Technology and Higher Education
  • Tertiary Education Commission (disambiguation)
  • Texas Eastern Conference, an American junior college athletic conference

Governmental and public organizations

  • Tasmanian Electoral Commission, Australia
  • The Episcopal Church
  • Telecommunication Engineering Centre, an Indian government agency
  • Tsunami Evaluation Coalition
  • Transatlantic Economic Council, directs economic cooperation between the US and the EU
  • Training and enterprise council, former public bodies in th UK
  • Topographic Engineering Center, former name of the US Army Geospatial Center
  • Treaty establishing the European Community
  • Transitional Executive Council, historic South African organization

Military

  • TEC-3 or Technician third grade, United States Army rank
  • TEC-4 or Technician fourth grade, United States Army rank
  • TEC-5 or Technician fifth grade, United States Army rank
  • I.G. Brown Air National Guard Training and Education Center, Knoxville, Tennessee

People

  • Nechama Tec, Professor Emerita at the University of Connecticut
  • Roland Tec, American writer and movie director

Science, engineering and medicine

  • TEC (gene), a human gene
  • Thermoelectric cooler, devices employing the Peltier effect
  • Time error correction
  • Transient erythroblastopenia of childhood, a medical condition
  • Threshold Exceeds Condition, a value used in computer hard disk evaluation
  • Total electron content, a descriptive quantity of the Earth's ionosphere
  • TEC, a Russian abbreviation for thermal power stations in Russia and Soviet Union with combined heat and power plant

Other uses

  • Tech (river) (), Pyrénées-Orientales département, France
  • TEC-9, a semi-automatic pistol
  • Tec (album), a 2023 album by Lil Tecca
  • SV TEC, a Dutch association football club
  • Terik language (ISO 639-3 code: tec), spoken in Kenya
  • Toshiba TEC Corporation, a subsidiary of Toshiba
  • Tower en route control, a collection of air-traffic routes
  • TRACE Expert City, an office complex in Sri Lanka
  • Transport En Commun, a brand name of Belgian transport company Société Régionale Wallonne du Transport
  • Turkish Engine Center, an aircraft engine maintenance and repair shop
  • TEC, a character in Paper Mario: The Thousand-Year Door