BCM
- BCM theory
- Bacău International Airport
- Bak chor mee
- Band Corporal Major
- Banque Centrale de Madagascar
- Banque Centrale de Mauritanie
- Banque Commerciale du Maroc
- Baptist Church of Mizoram
- Baptist Collegiate Ministries
- Baylor College of Medicine
- Beijing Capital Museum
- Billion cubic metres of natural gas
- Binary chemical munition
- Black Catholic Messenger
- Black Consciousness Movement
- Blue cone monochromacy
- Body Control Module
- Boots Contract Manufacturing
- British Chess Magazine
- Broadcom Corporation
- Broadcom Inc.
- Bromochloromethane
- Bus contracting model of Singapore
- Business Contact Manager
- Business Continuity Management
- Business capability model
- List of firearm brands
- Orders of magnitude (one cubic kilometre to one cubic megametre)