BT
BT or Bt may refer to:
Arts, media and entertainment
The arts
- BT (musician) (born Brian Transeau), American electronic musician
 - BT (album), a 2000 album by Buck-Tick
 - Burton Taylor Studio or The BT, managed by Oxford Playhouse
 
Fictional entities
- BT, a character in the television series .hack//Sign
 - BT (meaning "beached thing"), a type of fictional creature in the Death Stranding game
 
News media
- B.T. (tabloid), a Danish newspaper
 - Bergens Tidende, a Norwegian newspaper
 - Breakfast Television, a Canadian morning television news program
 - The Business Times (Singapore), a financial newspaper
 
Businesses
Financial services
- BT (Wealth Management), wealth management brand within Westpac group in Australia
 - Banca Transilvania, a bank in Romania
 - Bankers Trust, a banking organisation
 
Public transport
- AirBaltic, a Latvian airline (IATA code BT)
 - Blacksburg Transit, Virginia, US
 - Burlington Transit, Ontario, Canada
 - Brampton Transit, a local municipal bus service for the city of Brampton, Ontario, Canada
 
Telecommunications
- BT Group plc, parent company of British Telecom
- BT Global Services, a division of the BT Group
 - BT Consumer, a division of the BT Group
 
 
Other businesses
- BT, a brand of Bulgarian tobacco producer Bulgartabac
 - Brooktree, a semiconductor company later acquired by Rockwell Semiconductor
 
Places
- Bhutan (ISO country code BT)
- .bt, Bhutan's country-code Top Level Domain
 
 - Barton County, Kansas (state county code BT)
 - British Indian Ocean Territory, WMO country code
 
Europe
- BT postcode area, which covers the whole of Northern Ireland
 - Province of Barletta-Andria-Trani, Italy (vehicle registration code)
 - Bačka Topola, Serbia (vehicle registration code)
 - Bayreuth, Germany (vehicle registration code)
 - Bitola, Republic of Macedonia (vehicle registration code)
 - Botoșani, Romania (vehicle registration code)
 - Botoșani County, Romania (ISO 3166-2:RO code)
 - Kherson Oblast, Ukraine (vehicle registration code)
 
Science and technology
- Haplogroup BT, a Y-chromosome gene group
 - Biotite, a phyllosilicate mineral
 - BT tank, any in a series of Soviet light tanks produced in large numbers between 1932 and 1941
 - BT-Epoxy, a polymer used in printed circuit boards
 - Bacillus thuringiensis, a bacterium used as a pesticide
 - Bathythermograph, an underwater thermometer
 - BitTorrent, an Internet file-sharing protocol
 - Bluetooth, a wireless connection technology
 
Other uses
- Baronet, a title in the British honours system abbreviated "Bt" or formerly "Bt."
 - Body thetan, a concept in the Scientology belief system
 - Brian Taylor (Australian footballer), nickname
 - Brenton Tarrant, Australian mass shooter
 - BT grade tea
 - The Bible Translator, academic journal
 - bt, an abbreviation for "bint"