CET, cet, or Cet may refer to:
Places Cet, Albania Cet, standard astronomical abbreviation for the constellation Cetus Colchester Town railway station (National Rail code CET), in Colchester, England
Arts, entertainment, and media Comcast Entertainment Television, a Denver, Colorado TV station Community Educational Television, a station ownership arm of the Trinity Broadcasting Network Coventry Evening Telegraph, a newspaper in Coventry, England WCET-TV, a PBS station serving Cincinnati, Ohio
Education Schools College of Engineering, Trivandrum, in Kerala, India College of Engineering and Technology, in Bhubaneswar, Orissa, India
Tests College English Test, a national English examination in People's Republic of China Common Entrance Test, for prospective students seeking entry into institutes of higher education in India
Technology Carrier Ethernet Transport, an Ethernet extension Center for Environmental Technology, a radio receiver designer Certified engineering technologist, a Canadian qualification Control-flow enforcement technology, a security technology by Intel Critical exposure temperature, a factor in determining the minimum design metal temperature FV180 Combat Engineer Tractor
Other uses Caesars Entertainment Corporation, often abbreviated as "CET" Canadian Equestrian Team Carbon emissions trading Central England temperature, a set of monthly records dating back to the seventeenth century Central European Time, UTC+1:00 Cognitive evaluation theory, a psychological theory explaining environment's effects on motivation Colombo Electric Tramways A common external tariff applied by a customs union Common Eligibility Test, an examination for government recruitment in India Cognitive Enhancement Therapy, a neurocognitive treatment based on cognitive remediation therapy