BMI
- BMI Awards
- BMI Foundation
- BMI Healthcare
- BMI Research
- Baltimore Museum of Industry
- Bank Melli Iran
- Bank of Makati
- Best Motoring International
- Big Mac Index
- Birmingham and Midland Institute
- Bit Manipulation Instruction Sets
- Bmibaby
- Body mass index
- Brain Machine Interface
- British Midland International
- Broadcast Music, Inc.
- Bundesministerium des Innern
- Bureau of Military Information
- Central Illinois Regional Airport
- Flybmi