BB, Bb, or similar, may refer to:

Arts and entertainment

  • BB numbers, in the catalogue of works by Béla Bartók
  • "BB", a chant supporting Big Brother in Nineteen Eighty-Four
  • BB, a 2017 album by Mod Sun
  • BB, a character in Beast Wars II: Super Life-Form Transformers
  • BB, a character in Fate/Extra CCC and Fate/Grand Order
  • Beyond Birthday, a character from the novel Death Note Another Note: The Los Angeles BB Murder Cases
  • Big Brother (franchise), a TV reality competition
  • BB, production code for 1966 Doctor Who serial The War Machines
  • BB, the protagonist of the Anthology of the Killer series

Businesses and organizations

  • BB Bloggingsbooks, an imprint of OmniScriptum
  • BB Microlight, a Hungarian aircraft manufacturer
  • Banco do Brasil, a Brazilian financial services company
  • Bavarian Peasants' League (Bayerischer Bauernbund), a former German political party
  • BlackBerry Limited (stock ticker BB), Canadian technology company
  • Borderland Beat, a news blog covering the Mexican drug war
  • Boys' Brigade, a Christian youth organization

People

  • BB, pseudonym of author and artist Denys Watkins-Pitchford
  • BB, monogram of artist Bessie Bamber
  • BB, American rapper and member of CUZZOS
  • B. B. King (1925–2015), American musician and songwriter
  • BB Trickz (Belize Nicolau Kazi, born 2000), Spanish rapper
  • Brigitte Bardot (1934–2025), French actress often referred to by her initials BB
  • Bernard Berenson (1865–1959) art historian, nickname BB
  • Benazir Bhutto (1953–2007), former Pakistani prime minister, nickname BB
  • Bipasha Basu (born 1979), Indian actress, nickname BB

Places

  • BB postcode area, Blackburn, England
  • Barbados (ISO 3166 code BB)
  • .bb, top-level domain for Barbados

Science

  • Bell Beaker culture, an archaeological culture in Europe
  • Branch and bound, a method for solving optimization problems
  • Busy beaver class in computing theory, a type of Turing Machine
  • Beta blocker, medication used to manage arrhythmias

Transportation

Air

  • BB Airways, a former Nepalese airline
  • Balair, a defunct Swiss airline, IATA airline code BB
  • Seaborne Airlines, IATA airline code BB

Rail

  • Buckingham Branch Railroad, reporting mark BB, in Virginia, U.S.
  • Bürgenstock Funicular (Bürgenstock-Bahn), a Swiss funicular railway
  • NZR B<sup>B</sup> class, a New Zealand locomotive class
  • B-B, a classification of AAR wheel arrangement of railway locomotives
  • B (New York City Subway service), known as BB before 1967

Other uses in transportation

  • Ferrari Berlinetta Boxer, an Italian sports car
  • Toyota bB, a car sold in Japan
  • BB, classification of battleships of the United States Navy
  • North Sumatra (vehicle registration prefix BB)

Other uses

  • BB (ammunition), ammunition for a BB gun
  • Base on balls in baseball, commonly known as a walk
  • BB cream, a type of cosmetic

See also

  • B-flat (disambiguation) (B♭)
  • B&B (disambiguation)
  • Bebe (disambiguation)
  • Beebe (disambiguation)
  • Beebee (disambiguation)
  • Bibi (disambiguation)
  • BBCode, a lightweight markup language
  • Bed and breakfast or B&B, a small lodging establishment
  • Dobol B TV ('Double B TV'), a Philippines news program
  • Les B.B., a Canadian band