BNL may refer to: Entertainment Banjo Newsletter, a magazine devoted to the 5-string banjo Barenaked Ladies, a rock band from Canada Basketball National League, South Africa's top basketball division British National League (disambiguation), two former ice hockey leagues Buy n Large, a fictional company featured in the movie WALL-E Organisations Banca Nazionale del Lavoro, an Italian bank Brookhaven National Laboratory, New York, US Other Block nested loop, an algorithm in computing