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 The Exploration Company 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