CB

CB and variants may refer to:

Places

 * CB postcode area, British post code for eastern England served by the Cambridge postal sorting office
 * Cambodia (LOC MARC code, obsolete FIPS Pub 10-4 country code and obsolete NATO digram CB)
 * Cape Breton (disambiguation)
 * Centura București, a ring road of Bucharest, Romania
 * Colegio Bolivar, an American school in Cali, Colombia
 * Colwyn Bay, Wales
 * Province of Campobasso, Italy
 * ČB – České Budějovice, Czech Republic

People

 * Chris Brown (born 1989), American R&B singer
 * Chris Bosh (born 1984), American basketball player
 * Henry Campbell-Bannerman (1836–1908), Prime Minister of the United Kingdom 1906–1908, widely referred to by his surname initials
 * Chauncey the Bear, a imaginary friend in 2024 film Imaginary

Brands and enterprises

 * Carte Bancaire, a bank card brand
 * Christianssands Bryggeri, a Norwegian brewery
 * ScotAirways (IATA airline code CB)

Business and financial terms

 * Capacity building, the process by which individuals and organizations obtain, improve, and retain the skills and knowledge needed to undertake their tasks
 * Certification body
 * Chargeback, a reversal of a banking or credit card transaction
 * Convertible bond, a type of bond that can convert into a specified number of shares

Computing and telecommunications

 * Cell Broadcast, in GSM mobile networks
 * Citizens band radio (CB radio), a system of short-distance radio communications
 * Closed beta, a software development stage or testing process

Other uses in science and technology

 * Cannabinoids, a group of substances that bind to animal cannabinoid receptors
 * Circuit breaker, an automatic electrical switch designed to protect an electrical circuit from damage caused by overcurrent
 * Columbium (Cb), an obsolete name for the element niobium
 * Conduction band of the electrons in a (semiconducting) solid
 * Confirmation bias
 * Cumulonimbus cloud (Cb), a type of cloud that is tall, dense, and involved in thunderstorms and other intense weather

Sea vessels

 * CB-class midget submarine, a group of midget submarines built for the Italian Navy during World War II
 * Block coefficient (Cb), a parameter describing the shape of a ship's hull
 * A retired US Navy hull classification symbol: Large cruiser (CB)

Positions

 * Centre-back, a defensive position in association football
 * Cornerback, a position in American football

Teams

 * Chicago Bears, a team in the National Football League
 * Chicago Bulls, a team in the National Basketball Association
 * Cleveland Browns, a team in the National Football League
 * Cincinnati Bengals, a team in the National Football League
 * Chicago Blackhawks, a team in the National Hockey League

Titles

 * Chief Baron of the Exchequer, the chief judge of the Court of Exchequer, an abolished English court
 * Companion of The Most Honourable Order of the Bath, a title conferred to British and Commonwealth citizens

Other uses

 * All pages with titles beginning with C. B.
 * 2020 Singapore circuit breaker measures, commonly abbreviated as CB, a stay-at-home order implemented in response to the COVID-19 pandemic in Singapore
 * CB, dominical letter for a leap year starting on Friday
 * Casus belli, a Latin expression meaning reason for war
 * Construction Battalion (CB or "Seabee"), a United States Navy unit responsible for any type of construction be it general or combat on land or under water.
 * Curveball, a music festival hosted by the band Phish
 * Cone Beam (especially CBCT; Cone beam computed tomography)
 * Cumulative Bulletin, an annual compilation of the Internal Revenue Bulletin