| Acronym | Definition |
|---|
| CB | Circuit Breaker |
| CB | Citizens' Band (US unlicensed amateur radio) |
| CB | Carte Blanche (credit card) |
| CB | construction battalion (SEABEES) (US DoD) |
| CB | Cambridge (postcode, United Kingdom) |
| CB | Cambodia |
| CB | Come-Back |
| CB | Coldwell Banker |
| CB | Chicago Bears |
| CB | Capacity Building |
| CB | ChatterBox (motorcycle radio) |
| CB | Called By |
| CB | Children's Bureau |
| CB | Citibank (Citigroup, Inc.) |
| CB | Chris Brown |
| CB | Children’s Bureau (US Department of Health and Human Services' Administration for Child) |
| CB | ClanBase (gaming) |
| CB | Call Back |
| CB | Cross-Border |
| CB | Coffee Break |
| CB | Charlie Brown |
| CB | Crystal Ball (Utopia) |
| CB | Cape Breton |
| CB | Chairman of the Board |
| CB | College Board |
| CB | Crested Butte (Colorado) |
| CB | Cowboy Bebop (anime) |
| CB | Chicago Bulls |
| CB | Chesapeake Bay (Maryland) |
| CB | Called Back |
| CB | Control Board |
| CB | Crossbow |
| CB | Cartes Bancaires (French bank) |
| CB | Certification Body |
| CB | Chargeback (banking) |
| CB | Cost/Benefit Analysis |
| CB | Community Business |
| CB | Concert Band |
| CB | Cumulonimbus (cloud formation) |
| CB | Code Block |
| CB | Chemical & Biological |
| CB | Certification Bodies |
| CB | Charles Barkley (basketball player) |
| CB | Cheeseburger |
| CB | Conference Board |
| CB | Competition Bureau |
| CB | Contrabass |
| CB | Cell Block |
| CB | Center Back (soccer position) |
| CB | Clydesdale Bank (UK) |
| CB | Chemical Brothers (band) |
| CB | Cry Baby |
| CB | Chessbase |
| CB | Consumer Behavior (academic discipline within marketing) |
| CB | Chastity Belt |
| CB | Kampuchea (formerly Cambodia) |
| CB | Common Base (transistors) |
| CB | Crash Bandicoot (video game) |
| CB | Convertible Bond |
| CB | Cell Broadcast (GSM) |
| CB | Comment Back |
| CB | China Black (band) |
| CB | Catch Basin (construction) |
| CB | Chubut (Argentina Province, airline code) |
| CB | Centre Back |
| CB | Cold Beer |
| CB | Cool Breeze |
| CB | Charles Bukowski (writer) |
| CB | Captain Beefheart (band) |
| CB | Colorbar |
| CB | Cinema Bizarre (German band) |
| CB | Corner Back (football) |
| CB | Conduction Band |
| CB | Columbium (old name for Niobium) |
| CB | Clostridium Botulinum |
| CB | Code Blue |
| CB | Cluster Bomb |
| CB | Chauncey Billups (NBA Player) |
| CB | Carte Bleu |
| CB | Crushing Blow (Diablo II gaming) |
| CB | Captive Bred |
| CB | Carlos Beltran (baseball player) |
| CB | Campobasso, Molise (Italian province) |
| CB | Causeway Bay (Hong Kong) |
| CB | Counter Balance |
| CB | Christmas Break |
| CB | Carlos Boozer (NBA Player) |
| CB | Certified Bookkeeper (American Institute of Professional Bookkeepers) |
| CB | Centralbibliotek |
| CB | Cotton Belt (railroad) |
| CB | Communication Breakdown (song by Led Zeppelin) |
| CB | Control Bus |
| CB | Corporation Bank (India) |
| CB | Caribbean Beach (Disney Resort) |
| CB | Code Breaker |
| CB | Central Booking (NYPD) |
| CB | Coulomb Blockade |
| CB | Confidence Bound |
| CB | Cloudbuster (Wilhelm Reich's rainmaker) |
| CB | Chemical and/or Biological |
| CB | Coated Back (paper) |
| CB | Carrier-Based |
| CB | Collaborative Filtering |
| CB | Cyanogen Bromide |
| CB | Crime Branch (Pakistan) |
| CB | Charlie Bartlett (movie) |
| CB | Center of Buoyancy |
| CB | Counter Battery (Fire) |
| CB | Connector Box |
| CB | Central Battery |
| CB | Cavalry Brigade |
| CB | Cumulative Bulletin (Internal Revenue) |
| CB | Celebrate Brooklyn (perfomance festival) |
| CB | Large Cruiser (WW II ship type) |
| CB | Common Battery |
| CB | Cumulo-Nimbus |
| CB | Charlie Bravo |
| CB | Cliff Burton (Metallica bassist) |
| CB | Composition B (explosive) |
| CB | Chad Brock (country music artist) |
| CB | Compass Bearing |
| CB | Block Coefficient (naval architecture) |
| CB | Companion of the Bath (UK title) |
| CB | Clean Bench |
| CB | Chain Break |
| CB | Certificate of Birth |
| CB | Center of Balance |
| CB | Crash Barrier (safety) |
| CB | Confined to Barracks (UK) |
| CB | Call Blocker |
| CB | ColdBlood (game) |
| CB | Charged Bolt (gaming) |
| CB | Crazy Bob |
| CB | Center Bit (drilling industry) |
| CB | Constant Bandwidth |
| CB | Catalyst Bed |
| CB | Crushbone (Everquest gaming) |
| CB | Complementary-Bipolar (semiconductor process) |
| CB | Cervicobrachial |
| CB | Choice Band (gaming) |
| CB | Chief Baron (of the Court of Exchequer) |
| CB | Carnage Blender (MMRPG/strategy game) |
| CB | Cobra Ball |
| CB | Certified Bodies |
| CB | Cardiff Bus (travel company, Cardiff, Wales, UK) |
| CB | Cloud Bottom |
| CB | Continuous Bubbler |
| CB | Clan Beef (gaming clan) |
| CB | Component Breakout |
| CB | Coulomb-Born |
| CB | Constant Budget |
| CB | Cataclysmic Binary |
| CB | COBRA BRASS |
| CB | Certified Baker |
| CB | Chip Boundary |
| CB | Censor Bypass |
| CB | Carlisle Band (Carlisle, PA) |
| CB | Containment Breach |
| CB | Collapsing Buffer |
| CB | Call Bearing |
| CB | Common Bantu |
| CB | Casus Bellum (Latin: Justified Cause for War) |
| CB | Circulation Blower |
| CB | Chlorobromo-Methane |
| CB | Conditional bias (radar rainfall) |
| CB | Character's Birth |
| CB | Compression Belt |
| CB | Coordinated Baseline |
| CB | Control/Containment Building |
| CB | Air Post Semipostal (Scott Catalogue prefix; philately) |
| CB | Collettore Benzina (automotive; fuel collector) |
| CB | Crush Boat |
| CB | Companion Commander of Bath |