CE explained

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

Business

CE marking (stylized), a mandatory administrative marking asserting conformity with relevant standards, applied certain products offered for sale within the European Economic Area
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)

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
, 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 U.S.
Construction Electrician (US Navy), a Seabee occupational rating in the U.S. Navy

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, (fr|Communauté Européenne|links=no, it|Comunità Europea|links=no, pt|Comunidade Europeia|links=no, ro|Comunitatea Europeană|links=no, es|Comunidad Europea|links=no)

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
c.e., a common abbreviation for Computably enumerable, a property of some sets in computability theory
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

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