| Acronym | Definition |
|---|
| BCR | B Cell Receptor |
| BCR | Banca Comerciala Romana (Romanian bank) |
| BCR | Breakpoint Cluster Region |
| BCR | Bay City Rollers (band) |
| BCR | Black College Reunion (annual event at Daytona Beach) |
| BCR | Benefit/Cost Ratio |
| BCR | Big Cat Rescue |
| BCR | Banco Central de Reserva de El Salvador (Central Reserve Bank of El Salvador) |
| BCR | Bird Conservation Region |
| BCR | Bar Code Reader |
| BCR | Business Communications Review (magazine) |
| BCR | Ball Closure Ring (body piercing) |
| BCR | Box Car Racer (band) |
| BCR | Business Card Recognition |
| BCR | Bibliographic Center for Research |
| BCR | Bâtiment de Commandement et de Ravitaillement (French naval ship) |
| BCR | Banque Commerciale du Rwanda (French: Commercial Bank of Rwanda) |
| BCR | Brief Constructed Response (education) |
| BCR | Bureau Communautaire de Référence (French: Community Bureau of Reference; European Union production standard) |
| BCR | Byte Count Register |
| BCR | Bulbocavernosus Reflex |
| BCR | Béton Compacté Au Rouleau (French; Portneuf, Quebec, Canada) |
| BCR | Bremen Core Repository |
| BCR | Budget Change Request |
| BCR | British Columbia Regiment (Canadian Reserves) |
| BCR | Baseline Change Request |
| BCR | British Columbia Rail (Canada) |
| BCR | Base Curve Radius (of contact lens) |
| BCR | Bachelor of Community Rehabilitation |
| BCR | Blue Collar Review |
| BCR | Beaver Creek Resort (Gaylord, Michigan) |
| BCR | Bell Communications Research Inc. |
| BCR | Bartcop Radio |
| BCR | Budget Control Report |
| BCR | Bar Chart Report |
| BCR | Badminton Club Roubaix (French badminton club) |
| BCR | Begin Curb Return (construction) |
| BCR | Barrie Collingwood Railway |
| BCR | Business Club Russie (French: Russian Business Club) |
| BCR | Battle Casualty Replacement |
| BCR | Battlefield Communications Review |
| BCR | Base Change Request |
| BCR | Blocked Calls Released |
| BCR | Birthing Cost Recovery |
| BCR | Business Change Request |
| BCR | Bibliothèque Centrale de Recherche (French: Central Research Library) |
| BCR | Budget Change Report |
| BCR | Base Conference Room |
| BcR | Bowers cult Regular |
| BCR | Big Crappy Robot (band) |
| BCR | Beginning Curb Return (surveying/civil engineering) |
| BCR | Base-band Combiner Radio |
| BCR | Budget Comparison Report |
| BCR | Boulangerie Construction Réalisation (French construction company) |
| BCR | Branch on Condition to Register (IBM) |
| BCR | Billing Cross-Reference |
| BCR | Boca do Acre, Amazonas, Brazil (airport code) |
| BCR | Basic Cost Reduction |
| BCR | Bonsaï Club de Reims (Reims, France) |
| BCR | Brisk Capillary Refill |
| BCR | Bureau Central de Répartition (French: Central Office of Allocation; insurance industry) |
| BCR | Bionic Commando Rearmed (gaming) |
| BCR | Blue Collar Republican |
| BCR | Business Community Relations (various organizations) |
| BCR | Biological Chemical or Radiological |