BMA
- B-segment Modular Architecture platform
- BHP Mitsubishi Alliance
- BMA Magazine
- BMAS (disambiguation)
- Bahamas Maritime Authority
- Baltimore Museum of Art
- Bangkok Metropolitan Administration
- Bangladesh Military Academy
- Baptist Missionary Association of America
- Battery Manufacturing Association
- BermudAir
- Bermuda Militia Artillery
- Bermuda Monetary Authority
- Biblical Mennonite Alliance
- Billboard Music Awards
- Black Market Activities
- Black Movie Award
- Blind mate connector
- Block-matching algorithm
- British Manufacturers' Association
- British Medical Association
- British Midland International
- British Military Administration (disambiguation)
- Broaden Media Academy
- Rideback (manga)
- Stockholm Bromma Airport