CE, Ce, ce, Će, or variants may refer to:

• CE marking (stylized 👁 CЄ
  ), a mandatory administrative marking asserting conformity with relevant standards, applied to certain products offered for sale within the European Economic Area
• CE Digital, an operator of DAB ensembles in the United Kingdom
• Customer equity, the total combined customer lifetime values of all of the company's customers
• Combustion Engineering, a former American manufacturer of power systems
• Nationwide Airlines (South Africa) (IATA airline designator CE)

• Common Era (abbreviated CE), an alternative term to Anno Domini (AD)
• "Christian Era", also known as Anno Domini

• College English, an official publication of the American National Council of Teachers of English
• Common Entrance Examination, tests used by independent schools in the UK
• Conductive education, an educational system developed for people with motor disorders
• Continuing education, a broad spectrum of post-secondary learning activities and programs
• Chartered engineer (UK), a professional engineer licensed by a professional body (modern abbreviation CEng)
• Hong Kong Certificate of Education Examination, a standardized examination from 1974 to 2011

• cê, a 2006 music album by Caetano Veloso
• Chaotic Evil, an alignment in the tabletop game Dungeons and Dragons
• Collector's edition, describing some special editions of software, movies, and books
• Cash Explosion, Ohio Lottery's scratch off game and weekly game show
• Halo: Combat Evolved, sometimes abbreviated as Halo: CE

• Chief executive, administrative head of some regions
• County executive, the head of the executive branch of county government, common in the US
• Construction electrician (United States Navy), a Seabee occupational rating
• Customer engineer, a technical support worker

• Canadian English
• Chechen language (ISO 639-1 language code: ce)
• Commonwealth English
• Tshe, a letter of the Cyrillic script also transcribed as Će
• Tse (Cyrillic), a letter of the Cyrillic script also transcribed as Ce

• Church of England, the state church of the U.K. and mother church of the Anglican Communion, also referred to as the C of E
• Command element (United States Marine Corps), headquarters component of U.S. Marine Corps Marine Air-Ground Task Force (MAGTF)
• European Community (French: Communauté Européenne, Italian: Comunità Europea, Portuguese: Comunidade Europeia, Romanian: Comunitatea Europeană, Spanish: Comunidad Europea)

• Cé (Pictish territory), an early medieval Pictish territory in modern-day Scotland
• Province of Caserta (ISO 3166-2:IT code CE), a province of Italy
• County Clare, Ireland (vehicle registration plate code CE)
• Ceará (ISO 3166-2:BR code CE), a state in Brazil
• Ceper railway station, a railway station in Indonesia (station code)
• Lough Key, known in Irish as Loch Cé
• Sri Lanka (FIPS Pub 10-4 and obsolete NATO country code CE)

• Central European, an alternate name for Windows-1250
• Cheat Engine, a system debugger and cheating tool
• Clear Entry, a button on a standard electronic calculator that clears the last number entered
• Computably enumerable, a property of some sets in computability theory, abbreviated c.e.
• Computer engineering, a branch of engineering specialized in computer hardware
• Congestion Experienced, a protocol element of the Explicit Congestion Notification data networking protocol
• Customer edge router, a router at the customer premises that is connected to a Multi-protocol Label Switching network
• Windows CE, "Consumer Edition", a version of the Windows operating system designed for mobile devices
• TI-84 Plus CE, "Color Enhancement", a version of the TI-84 Plus Graphing Calculator with a high-resolution color display

• Capillary electrophoresis, a technique used to separate ionic species by their charge and frictional forces
• CE phase, the phase between carrier and envelope of an electromagnetic wave
• Cerium, symbol Ce, a chemical element
• Cholesteryl ester
• Civil engineering
• Common envelope, gas containing a binary system.
• Conjugated estrogen
• Consumer electronics
• Customer engineer
• Cè, a Chinese star name which can refer to either:
  • Gamma Cassiopeiae
  • Kappa Cassiopeiae

• Copy editing, improving the formatting, style, and accuracy of text

• Œ (OE ligature)
• ₠ (U-20A0, European Currency Unit) (former)