CB

CB and variants may refer to:

Architectural/engineering

• Concrete block/cinder block, also breeze block [UK], foundation block [US], see concrete masonry unit (CMU)

Business

• Carte Bancaire, a bank card brand
• Cell Broadcast in GSM networks
• Chargeback, a reversal of a banking or credit card transaction
• Christianssands Bryggeri, a Norwegian brewery
• Coldwell Banker, a real estate franchise
• Convertible bond, a type of bond that can convert into a specified number of shares

Geo-political

• Cambodia, FIPS Pub 10-4 country code and obsolete NATO digram
• Campbell-Bannerman, a British politician
• Cape Breton (disambiguation), an informal abbreviation for it
• Casus belli, a Latin expression meaning reason for war
• CB postcode area, British post code for eastern England served by the Cambridge postal sorting office
• United States Children's Bureau, a federal agency within the Administration For Children and Families of the United States Department of Health and Human Services
• Congress-Bundestag Youth Exchange Program, a scholarship for youth exchange between the United States and Germany
• Province of Campobasso, the code used to indicate the Italian province, written in brackets after the name of the city or comune, if it's not the capital
• ScotAirways, IATA airline code

Honours and awards (civil and military)

• Companion of The Most Honourable Order of the Bath, a title and order conferred to British and Commonwealth citizens in recognition of conspicuous service to the Crown

Legal

• Chief Baron of the Exchequer, the chief judge of the Court of Exchequer, an abolished English court

Military

• CB-class midget submarine, was a group of midget submarines built for the Italian Navy during World War II
• Construction Battalion, a United States Navy unit responsible for constructing airstrips and roadways, popularly known as "Seabees"
• Large Cruiser, retired US Navy hull classification symbol

People

• C. B. Forgotston (1945–2016), Louisiana political activist and pundit
• Cara-Beth Burnside, pioneer of women's professional skateboarding and snowboarding
• Chester Bennington (born 1976), American singer in the band Linkin Park
• Chuck Berry (born 1926), American musician, influential Blues guitarist
• Chris Brown (American entertainer) (born 1989), American singer
• Cindy Bear
• Cliff Burton (1962–1986), American musician, bassist in the band Metallica

Roads

• Centura București, Bucharest Ring road, Romania

Science and medical

• Cannabinoids, a group of substances that bind to animal cannabinoid receptors
• Captive bubble, a surface analysis method
• Columbium, an obsolete abbreviation (now known as niobium)
• Critical bands, the frequency bandwidths of human auditory filters
• Cumulonimbus cloud, a type of cloud that is tall, dense, and involved in thunderstorms and other intense weather

Sports

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

Sports people

• Charles Barkley (born 1963), professional basketball player
• Chris Benoit (1967–2007), Canadian professional wrestler, famous for his work in WCW and WWE
• Chris Bosh (born 1984), professional basketball player currently with the Miami Heat

Technology

• Block coefficient (C_b), determining fullness of ship's hull
• Circuit breaker
• Citizens band radio, a system of short-distance radio communications
• Closed beta, a software development stage or testing process

Other uses

• Care Bears, a set of characters appearing on greeting cards and in other media
• Charlie Brown, the main character in the comic strip Peanuts by Charles M. Schulz
• Chastity belt, a locking item of clothing designed to prevent sexual intercourse
• Chef Boyardee, canned food
• Chuck Bass, a character on the series Gossip Girl
• Cold beer, an abbreviation commonly used by fraternity members in the Southeastern United States
• Corned beef, a cut of beef cured or pickled in a seasoned brine
• Cowboy Bebop, a 1998 anime and manga series
• Cracker Barrel, an American restaurant chain
• Crash Bandicoot, a series of video games and its eponymous main character
• C.U. Burn, a cult Irish-language TV comedy series featuring sibling funeral directors and their rundown crematorium
• The Chemical Brothers, British electronic music act