• 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

• 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

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

• 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 edit

• 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 edit

• 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

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

Positions edit

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

Teams edit

• 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

• 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

• 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