BD

BD, Bd or bd may refer to:

In arts and entertainment

 * B. D. (Doonesbury), a major character in the Doonesbury comic strip
 * Bande dessinée (or "bédé"), a French term for comics
 * Bass drum, in sheet music notation
 * Brahe Djäknar, a Finnish choir
 * Broder Daniel, a Swedish indie pop band
 * Ben Drowned, a web serial and web series, focused on the character of the same name
 * ВD, shorthand name for the Russian gaming magazine, Velikij Drakon, where the "В" character is actually the Russian letter "ve".
 * Bette Davis's production company

Business / Technology

 * B&D Australia, manufacturing company
 * Big data, a marketing term for technology of large data sets
 * Broker-dealer
 * Business day, a day of the week on which business is conducted
 * Business development, techniques aimed at attracting customers and penetrating markets
 * Business directory, a website or printed listing of information which lists all businesses within some category

Businesses

 * Bad Dragon, an American manufacturer of fantasy-themed sex toys
 * Becton Dickinson (BD.com), an American manufacturer of medical supplies
 * BMI (airline), or British Midland Airways (IATA airline code BD until 2012)
 * Building Design, a British architectural magazine
 * Cambodia Bayon Airlines (IATA airline code BD from 2014)

Places

 * Bangladesh, (ISO 3166-1 country code BD)
 * .bd, the country top-level domain for Bangladesh
 * BD postcode area, UK, for Bradford, West Yorkshire, and the surrounding area
 * Bermuda, where "BD" is the FIPS PUB 10-4 territory code and obsolete NATO country code
 * Brunei Darussalam, where "BD" is the World Meteorological Organization country code
 * Burundi, LOC MARC code

In computing

 * Baud (Bd), an information unit
 * %BD, the URL encoded version of the one half (½) symbol
 * Big data, data sets that are so large or complex that traditional data processing applications are inadequate
 * Blu-ray Disc, a high density blue laser optical disc format, or the successor of DVD
 * BD+, a component of the Blu-ray Disc Digital Rights Management system

In biology and medicine

 * Batrachochytrium dendrobatidis, a fungus that causes the fatal amphibian disease chytridiomycosis
 * BD butterfly, Callicore cynosura
 * Bipolar disorder, a mood disorder
 * "Bis die" (Latin for "twice a day"; also Bid (Medical): "bis in diem") an indication that a medication needs to be taken twice a day

Other uses in science and technology

 * Bonner Durchmusterung, a 19th-century star catalog

Other uses

 * Bachelor of Divinity, an academic degree
 * Bandung railway station, West Java, Indonesia (station code: BD)
 * Battle Dress, a British military uniform
 * Bloor-Danforth, a subway line in Toronto, Canada
 * Bondage (BDSM) and Discipline (BDSM), in sexual role-play
 * Black Disciples, a black street gang based in Chicago, United States