DNB explained

DNB may refer to:

The Dictionary of National Biography, a reference work on notable figures from British history
Diplomate of National Board, an Indian credential for healthcare providers
Drum and bass (DnB), an electronic music style
Dunbartonshire, historic county in Scotland, Chapman code
Diplôme national du brevet, the first French secondary school diploma

Organizations

German National Library (German: Deutsche Nationalbibliothek) a central library and national bibliographic centre for Germany
Dance Notation Bureau, a non-profit organization founded to preserve choreographic works
De Nederlandsche Bank, the Dutch central bank
, a Nazi German news agency administered by Heinz Lorenz
DNB ASA, a Norwegian financial services group
- Den norske Bank (DnB), a former Norwegian bank, now part of DNB ASA
Dun & Bradstreet (NYSE ticker symbol DNB), an American business information company

Departure from nucleate boiling, in boiling heat transfer
The Day/Night Band, the high sensitivity channel of the Visible Infrared Imaging Radiometer Suite (VIIRS) on board the Suomi NPP and Joint Polar Satellite System (JPSS) series satellites capable of night time imaging.