BD

BD, Bd or bd may refer to:

• B. D. (Doonesbury), a major character in the Doonesbury comic strip
• Bande dessinée (or "bédé"), a French term for comic books or graphic novels
• Broder Daniel, a Swedish indie pop band
• Bass Drum, in sheet music notation
• Black Dynamite, a 2009 American spoof of blaxploitation films

In science and technology

• Bonner Durchmusterung, an important 19th Century star catalog

In computing

• Baud (Bd), an information unit
•  %BD, the Url Encoded version of the half (½) symbol
• 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 medicine and pharmacology

• Bipolar disorder, a mood disorder
• Batrachochytrium dendrobatidis, the fungus that causes the fatal amphibian disease Chytridiomycosis
• "Bis die" (Latin for 'twice a day'), a medication needed to be taken twice in a day (also BID: "Bis in diem")

Places

• Bangladesh, where "BD" is the ISO 3166-1 2-letter country code
  • .bd, the country top-level domain for Bangladesh
• Bermuda, where "BD" is the FIPS PUB 10-4 territory code and obsolete NATO country code
• Bradford, where "BD" is the United Kingdom postal area for that region
• Brunei Darussalam, where "BD" is the World Meteorological Organization country code

Businesses and organizations

• Becton Dickinson, an American manufacturer of medical supplies
• BD's Mongolian Barbeque, an American restaurant chain
• Bloor-Danforth, a subway line in Toronto, Canada
• BMI (airline), IATA airline designator for British Midland Airways
• Building Design, a British architectural magazine
• Bruin Democrats, UCLA campus branch of the (U.S.) Democratic Party

Other uses

• Bachelor of Divinity, an academic degree
• Bondage (BDSM) and Discipline (BDSM), in sexual role-play
• Business Development, techniques aimed at attracting customers and penetrating markets