BNA

BNA may refer to:
 * Bahrain News Agency, the state news agency of Bahrain
 * Bakhtar News Agency, the state news agency in Afghanistan
 * Basle Nomina Anatomica, the first revision of anatomic nomenclature
 * Burma National Army
 * Bulgarian National Alliance
 * British Naturalists' Association
 * British Neuroscience Association
 * British Newspaper Archive
 * British North America, a former name for Canada
 * British North America Acts, the original Constitutional Acts of Canada
 * Bureau of National Affairs, a U.S. commercial publisher
 * Banco de la Nación Argentina
 * BNA Records, a record label
 * Bridged nucleic acid
 * BNA: Brand New Animal, an anime television series
 * BNA, IATA airport code of Nashville International Airport
 * BNA, National Rail station code of Burnage railway station, Manchester, England
 * Banco Nacional de Angola