Organizations

• Barisan Nasional (also known as "National Front"), a political coalition in Malaysia
• Barnes & Noble, an American specialty retailer specializing in bookstore/coffeeshop venues
• Battalion, a type of military unit
• Brand New, an American rock band
• British Naturism, a clothes free organization in the United Kingdom
• Britten-Norman, a British manufacturer, based on the Isle of Wight, producing Islander and Trislander aircraft.
• Burlington Northern Railroad , a United States railroad that operated from 1970 to 1995
• 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
• La Brugeoise et Nivelles SA., a Belgian railway rolling stock manufacturer, now part of Bombardier Transportation.

Airlines

• Braniff International Airways, a former American airline in service from 1928 to 1982
• Horizon Airlines (Australia), a former Australian airline, ending service in 2004

Geography and languages

• Bahrain (WMO country code: BN), an island nation in the Persian Gulf
• Bengali language (ISO 639 alpha-2 language code: bn), an Indo-Aryan language of East South Asia
• Benin (FIPS 10-4 and obsolete NATO digram country code: BN), a country in Western Africa
• Bloomington-Normal, Illinois, a pair of adjacent American cities
• BN postcode area centred on Brighton, England
• Brunei (ISO 3166 country code: BN), a country on the island of Borneo in Southeast Asia

Science and technology

• Bachelor of Nursing, also known as "Bachelor of Science in Nursing", a four year academic degree in the science and principles of nursing
• 1000000000 (number), the number "billion" ('BN' or 'bn'), the integer 10⁹
• 1000000000000 (number), the integer 10¹², in traditional British usage
• Boron nitride (empirical chemical formula: BN), an inorganic binary chemical compound composed of boron and nitrogen
• the benzyl functional group ('Bn') in organic chemistry
• Dynkin diagram B_n

Other

• BN Biscuit, a type of biscuit with fillings.