DBB can mean several things:
- Daigasso! Band Brothers
- Dasmariñas Bagong Bayan
- Davis Brody Bond
- Deutscher Beamtenbund, see German Civil Service Federation
- Don Bosco Bandel
- Deutsche Bundesbahn
- Deutsche Bundesbank
- B-weighted decibel
- Duffle Bag Boy
- Design–bid–build, a Project delivery method