| Acronym | Definition |
|---|
| CRB | Certified Residential Broker |
| CRB | Commodity Research Bureau (finance) |
| CRB | Criminal Records Bureau (UK) |
| CRB | Carbon |
| CRB | Copyright Royalty Board (Library of Congress) |
| CRB | Certified Real Estate Brokerage Manager |
| CRB | California Research Bureau |
| CRB | Cramer-Rao Bound |
| CRB | Centrale Raad voor het Bedrijfsleven (Belgium) |
| CRB | Country Radio Broadcasters, Inc. |
| CRB | Columbia River Basin |
| CRB | Civilian Review Board |
| CRB | Come Right Back |
| CRB | Columbia River Basalt |
| CRB | Clube de Regatas Brasil (Brazilian soccer club) |
| CRB | Change Review Board |
| CRB | Contract Review Board |
| CRB | Certification Review Board |
| CRB | Cylindrical Roller Bearing(s) |
| CRB | Classification Review Board |
| CRB | Conservation Review Board (Canada) |
| CRB | Community Resource Board |
| CRB | Citizen's Review Board |
| CRB | Concurrent Routing and Bridging (Cisco) |
| CRB | Certification/Registration Body |
| CRB | Cost Review Board |
| CRB | Central Review Board |
| CRB | Center for Regenerative Biology (University of Connecticut) |
| CRB | Configuration Review Board |
| CRB | Charles River Broadcasting |
| CRB | Crumbs, Drosophila |
| CRB | Colombian Rainbow Boa (herpetoculture) |
| CRB | Campaign for Real Beauty (Dove) |
| CRB | Common Readers' Bookshop (various lists of books) |
| CRB | Content Review Board |
| CRB | Command Review Board |
| CRB | Certification Record Brief |
| CRB | Carrier Review Board |
| CRB | Capital Review Board (various organizations) |
| CRB | Capillary Refill Brisk |
| CRB | Central Recording Building |
| CRB | Chemistry Review Branch |
| CRB | Customer Records and Billing (telecommunications industry) |
| CRB | Composite Rotor Blade |
| CRB | Cold Refreshing Beverage |
| CRB | Concrete Roadside Barrier |
| CRB | Concerns Resolution Board |
| CRB | Centres de Ressources Biologiques (French: Biological Resource Centers) |
| CRB | Centre de Recherche Berbère (French: Berber Research Center) |
| CRB | Centre de Recherche Budo (French: Budo Research Center; martial arts) |
| CRB | Croix-Rouge de Belgique (Belgian Red Cross) |
| CRB | Collectif des Radios Blues (French: Blues Radio Collective; various locations) |
| CRB | Center for Reproductive Biology (various locations) |
| CRB | Créations Réalisations Barbecues (French: Authoring Barbecues) |
| CRB | Clock Reference Board |
| CRB | Chabab Riadhi Belouizdad (Algerian football club) |
| CRB | Collectif Redessinons Broussais (French: Collective Redraw Broussais; hospital) |
| CRB | Club Rétromobile du Berry (French car club) |
| CRB | Centre de Recherche du Bouchet (French: Bouchet Research Center) |
| CRB | Comité de la Réglementation Bancaire (French: Committee on Banking Regulation) |
| CRB | Centre Réparation Bobinage (French: Winding Repair Center) |