| Abbreviation | Definition |
|---|---|
| BMOA | Bay Metro Officials Association |
| BMOA | Black McDonald's Operators Association |
| BMOA | Bohemia Mine Owners Association |
| BMOA | British Motorcycle Owners Association |
| BMOD | Barisan Militan Olly Dondokambey |
| BMPA | Bangladesh Medical Physics Association |
| BMPA | Beavercreek Music Parents Association |
| BMPA | Bombay Master Printers Association |
| BMPA | British Meat Processors Association |
| BMPA | British Medical Pilots Association |
| BMTA | Bermuda Massage Therapy Association |
| BMTA | Biola Music Therapy Association |
| BMTA | Birmingham Music Teachers Association |
| BMTA | Brisbane Metropolitan Touch Association |
| BMTA | British Measurement and Testing Association |
| BNA | Barbados Netball Association |
| BNA | Black Native Association |
| BNA | Buffalo Numismatic Association |
| BNAA | Black Native American Association |
| BNAO | Bulgarian National Association of Oncology |