BPO
- Bank payment obligation
- Belgrade Philharmonic Orchestra
- Benzoyl peroxide
- Berlin Philharmonic Orchestra
- Body part as object
- Boston Philharmonic Orchestra
- Boston Pops Orchestra
- Brisbane Philharmonic Orchestra
- British Post Office
- Broker's price opinion
- Brussels Philharmonic Orchestra
- Budapest Philharmonic Orchestra
- Buffalo Philharmonic Orchestra
- Business process outsourcing
- Federal Police (Germany)