DNB
- DNB ASA
- DNB Arena (disambiguation)
- Dance Notation Bureau
- De Nederlandsche Bank
- Den norske Bank
- Departure from nucleate boiling
- Dictionary of National Biography
- Diplomate of National Board
- Diplôme national du brevet
- Drum and bass
- Dunbartonshire
- German National Library
- Heinz Lorenz
- Joint Polar Satellite System
- Suomi NPP
- Visible Infrared Imaging Radiometer Suite