BNJ

BNJ may refer to:


 * Bailie Nicol Jarvie whisky, distilled in Scotland.
 * Bonn Hauptbahnhof station, in Germany, according to the IATA code list of stations
 * The British Numismatic Journal, an academic journal published by the British Numismatic Society
 * Brill's New Jacoby, the updated edition with English translation of Felix Jacoby's Fragmente der griechischen Historiker
 * Hangelar-Bonn airport in Sankt Augustin, Germany, according to the list of IATA airport codes