DNB's short for:* Dun & Bradstreet The business information company Drum and bass, an electronic music style The Dictionary of National Biography, notable figures from British history Den norske Bank, a Norwegian bank (from 2003 DnB NOR) De Nederlandsche Bank, the Dutch central bank Departure from nucleate boiling (see heat transfer) Diplomate of National Board, an Indian credential for healthcare providers Did Not Bat, a term in the sport of Cricket Deutsche Nationalbibliothek, the Germ… (More on Dnb)