CES, ces, Ces, or CEs may refer to:

Technology

  • Circuit Emulation Service, a telecommunication technology
  • Cryogenic energy storage
  • Character encoding scheme, a reversible transformation of sequences of code units to sequences of bytes
  • Charge-exchange spectroscopy, a diagnostic used in plasma physics

Companies

  • ICAO Code designator for China Eastern Airlines

Medicine

  • Cauda equina syndrome, a serious neurological condition
  • Cranial electrotherapy stimulation, therapeutic brain stimulation
  • Camurati-Engelmann disease, also called "Camurati Engelmann syndrome" (CES)
  • Carboxylesterase, an enzyme that catalyzes the reaction between a carboxylic ester and water

Organizations

  • Caspian Engineers Society
  • Center for Economic Studies, University of Munich
  • Center for Ethical Solutions, bioethics think tank in the United States
  • Centre for Environmental Studies, former UK research organization
  • Church Educational System, of The Church of Jesus Christ of Latter-day Saints
  • Coalition for Economic Survival, a Los Angeles–based community organization
  • Coalition of Essential Schools, US educational reform
  • Community Exchange System, international Internet trading network
  • Commonwealth Employment Service, former Australian Government employment agency
  • Confédération Européenne de Scoutisme or Confederation of European Scouts
  • Consumer Electronics Show, an annual technology trade show in Las Vegas, Nevada, United States
  • Centre for European Studies (disambiguation), the name of several educational institutions
  • Center for Election Science, a US-based approval voting advocacy organization

People

  • Jean Ces, French boxer of the 1920s

Transportation

  • Central South station, a proposed MTR station in Hong Kong
  • Cessnock Airport, IATA airport code "CES"
  • Cressing railway station, British railway station with station code CES

Other uses

  • Closed ecological system, isolated from the outside
  • Clean Energy Standards, part of the climate change policy of the United States
  • Constant elasticity of substitution, in economics, a feature of a particular class of production function
  • The ISO 639 code for the Czech language