Benin (FIPS 10-4 and obsolete NATO digram country code: BN), a country in Western Africa

Bahrain (WMO country code: BN), an island nation in the Persian Gulf

Brunei (ISO 3166 country code: BN), a country on the island of Borneo in Southeast Asia

Bengali language (ISO 639 alpha-2 language code: bn), an Indo-Aryan language of East South Asia

Brand New, an American rock band

Dynkin diagram B_n

Braniff International Airways, a former American airline in service from 1928 to 1982

Battalion, a type of military unit

Boron nitride (empirical chemical formula: BN), an inorganic binary chemical compound composed of boron and nitrogen

Barnes & Noble, an American specialty retailer specializing in bookstore/coffeeshop venues

Barisan Nasional (also known as "National Front"), a political coalition in Malaysia

Burlington Northern Railroad (AAR reporting mark: BN), a former American railroad operating from 1970 to 1995

1000000000 (number), the number "billion" ('BN' or 'bn'), the integer 10⁹

Bn Whitlow, a former member of the Gothic Rock band Bella Morte

a subsidiary of the Canadian Press, "Broadcast News", a news agency which provides news reports, film and audio clips to radio and television stations in Canada

Britten-Norman, a British manufacturer, based on the Isle of Wight, producing Islander and Trislander aircraft.

the benzyl functional group ('Bn') in organic chemistry

Bachelor of Nursing, also known as "Bachelor of Science in Nursing", a four year academic degree in the science and principles of nursing

Bloomington-Normal, Illinois, a pair of adjacent American cities

Horizon Airlines (Australia), a former Australian airline, ending service in 2004

BN Biscuit, a type of biscuit with fillings.

British Naturism, a clothes free organization in the United Kingdom

La Brugeoise et Nivelles SA., a Belgian railway rolling stock manufacturer, now part of Bombardier Transportation.

BN postcode area centred on Brighton, England