BNB may refer to:
People Bad News Barrett (born 1980), English professional wrestler Bad News Brown (musician) (1977–2011), Canadian musician of Haitian origin
Culture , K. Beißwenger's 1992 compendium listing music manuscripts and printed music owned by J. S. Bach Biographie Nationale de Belgique, the Belgian national biography Bomb and Bubble (BnB), a player mode in the Korean game Crazy Arcade British National Bibliography, the national bibliography for the United Kingdom and Ireland
Finance Banco Nacional de Bolivia, a Bolivian bank and financial services company Banque Nationale de Belgique, the National Bank of Belgium Barbados National Bank, part of Republic Bank Bulgarian National Bank BNB, the native cryptocurrency on the BNB Chain
Other uses Branch and Bound, an algorithm design paradigm for discrete or combinatorial problems Bed and breakfast (sometimes spelled BnB) Bikes Not Bombs The IATA code of Boende Airport British North Borneo